A marine nautiloid fossil from the Paleozoic era found in the Grand Canyon's Mississippian Redwall Limestone layers. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-marine-nautiloid-fossil-from-the-paleozoic-era-found-in-the-grand-image62658611.html
RMDHX9KF–A marine nautiloid fossil from the Paleozoic era found in the Grand Canyon's Mississippian Redwall Limestone layers.
Fossil nautiloid Aphetoceras americanus. Ordovician age. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-fossil-nautiloid-aphetoceras-americanus-ordovician-age-56235731.html
RMD7DN6Y–Fossil nautiloid Aphetoceras americanus. Ordovician age.
A polished Orthoceras fossil, a genus of extinct nautiloid cephalopod about 350 million years old. From Morocco. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-polished-orthoceras-fossil-a-genus-of-extinct-nautiloid-cephalopod-about-350-million-years-old-from-morocco-image462303444.html
RM2HT3MN8–A polished Orthoceras fossil, a genus of extinct nautiloid cephalopod about 350 million years old. From Morocco.
Nautiloid Fossils in the stone along the Colorado River, Grand Canyon National Park, Arizona Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-nautiloid-fossils-in-the-stone-along-the-colorado-river-grand-canyon-27347973.html
RMBGDPH9–Nautiloid Fossils in the stone along the Colorado River, Grand Canyon National Park, Arizona
Ammonite longitudinal section. Sagittal cut through a spiral shaped fossil shell of an extinct marine mollusc animal, revealing the internal chambers. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/ammonite-longitudinal-section-sagittal-cut-through-a-spiral-shaped-fossil-shell-of-an-extinct-marine-mollusc-animal-revealing-the-internal-chambers-image544949694.html
RF2PJGGW2–Ammonite longitudinal section. Sagittal cut through a spiral shaped fossil shell of an extinct marine mollusc animal, revealing the internal chambers.
Orthoceras Plate (Devonian) From Atlas Mountain Range, Morocco Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-orthoceras-plate-devonian-from-atlas-mountain-range-morocco-25324649.html
RMBD5HRN–Orthoceras Plate (Devonian) From Atlas Mountain Range, Morocco
close up of an ammonite fossil Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/close-up-of-an-ammonite-fossil-image357586654.html
RF2BNNDBX–close up of an ammonite fossil
Orthoceras / Orthoceratites fossils in rock, genus of extinct nautiloid cephalopods Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/orthoceras-orthoceratites-fossils-in-rock-genus-of-extinct-nautiloid-cephalopods-image551342801.html
RM2R0YRA9–Orthoceras / Orthoceratites fossils in rock, genus of extinct nautiloid cephalopods
Endocerida from group of cephalopods - the Lower Paleozoicfossil with cone-like deposits Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-endocerida-from-group-of-cephalopods-the-lower-paleozoicfossil-with-140664687.html
RFJ4RR6R–Endocerida from group of cephalopods - the Lower Paleozoicfossil with cone-like deposits
Close-up of a fossilised ammonite shell Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/close-up-of-a-fossilised-ammonite-shell-image342572930.html
RM2AW9F7E–Close-up of a fossilised ammonite shell
Nautiloid of The Paleozoic Era Ortoceras sp., Silurian, Erfud, Marocco, Africa Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-nautiloid-of-the-paleozoic-era-ortoceras-sp-silurian-erfud-marocco-52602911.html
RMD1G7FB–Nautiloid of The Paleozoic Era Ortoceras sp., Silurian, Erfud, Marocco, Africa
Ammonite, longitudinal section of a spiral shaped fossil shell Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/ammonite-longitudinal-section-of-a-spiral-shaped-fossil-shell-image550539740.html
RF2PYK71G–Ammonite, longitudinal section of a spiral shaped fossil shell
Polished orthoceras fossil. Isolated over white background Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/polished-orthoceras-fossil-isolated-over-white-background-image572923783.html
RF2T82X3K–Polished orthoceras fossil. Isolated over white background
Domatoceras from Kansas City, USA. Domatoceras is a nautiloid genus and member of the Grypoceratidae from the Pennsylvanian and Permian with a wide sp Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/domatoceras-from-kansas-city-usa-domatoceras-is-a-nautiloid-genus-and-member-of-the-grypoceratidae-from-the-pennsylvanian-and-permian-with-a-wide-sp-image332761561.html
RM2A9AGND–Domatoceras from Kansas City, USA. Domatoceras is a nautiloid genus and member of the Grypoceratidae from the Pennsylvanian and Permian with a wide sp
Black White Ancient Orthoceras Fossil Rock. 600 million years old fossil of extinct nautiloid cephalopod Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/black-white-ancient-orthoceras-fossil-rock-600-million-years-old-fossil-of-extinct-nautiloid-cephalopod-image457850227.html
RF2HGTTHR–Black White Ancient Orthoceras Fossil Rock. 600 million years old fossil of extinct nautiloid cephalopod
Illustration of a nautiloid Ordovician conodont Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/illustration-of-a-nautiloid-ordovician-conodont-image223965449.html
RFR0AE61–Illustration of a nautiloid Ordovician conodont
Uncites gryphus, fossil, vintage engraved illustration. Dictionary of Words and Things - Larive and Fleury - 1895 Stock Vectorhttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-uncites-gryphus-fossil-vintage-engraved-illustration-dictionary-of-84412464.html
RFEW98XT–Uncites gryphus, fossil, vintage engraved illustration. Dictionary of Words and Things - Larive and Fleury - 1895
Carapaces divided into Nautiloides fossil chambers of Upper Bohemian Silurian, vintage engraved illustration. From the Universe and Humanity, 1910. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/carapaces-divided-into-nautiloides-fossil-chambers-of-upper-bohemian-silurian-vintage-engraved-illustration-from-the-universe-and-humanity-1910-image363165850.html
RF2C2RHMX–Carapaces divided into Nautiloides fossil chambers of Upper Bohemian Silurian, vintage engraved illustration. From the Universe and Humanity, 1910.
Nautiloid Fossils in the stone along the Colorado River, Grand Canyon National Park, Arizona Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-nautiloid-fossils-in-the-stone-along-the-colorado-river-grand-canyon-27347974.html
RMBGDPHA–Nautiloid Fossils in the stone along the Colorado River, Grand Canyon National Park, Arizona
A fossil of a Cretaceous Nautiloid in detail showing the suture lines that mark the individual internal chambers of the shell. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-fossil-of-a-cretaceous-nautiloid-in-detail-showing-the-suture-lines-that-mark-the-individual-internal-chambers-of-the-shell-image396902904.html
RM2E1MDKM–A fossil of a Cretaceous Nautiloid in detail showing the suture lines that mark the individual internal chambers of the shell.
Orthoceras Plate (Devonian) From Atlas Mountain Range, Morocco Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-orthoceras-plate-devonian-from-atlas-mountain-range-morocco-25324629.html
RMBD5HR1–Orthoceras Plate (Devonian) From Atlas Mountain Range, Morocco
close up of an ammonite fossil Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/close-up-of-an-ammonite-fossil-image357586638.html
RF2BNNDBA–close up of an ammonite fossil
Cenoceras sp. Middle Jurassic UK Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/cenoceras-sp-middle-jurassic-uk-image69144986.html
RME0DR3P–Cenoceras sp. Middle Jurassic UK
Endocerida is an extinct nautiloid orderfrom the Lower Paleozoic with cone-like deposits found in Czech republic Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-endocerida-is-an-extinct-nautiloid-orderfrom-the-lower-paleozoic-with-173474603.html
RFM26CHF–Endocerida is an extinct nautiloid orderfrom the Lower Paleozoic with cone-like deposits found in Czech republic
Nautiloids (Devonian) From Torquay, Devon, UK Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-nautiloids-devonian-from-torquay-devon-uk-25344419.html
RMBD6F1R–Nautiloids (Devonian) From Torquay, Devon, UK
A fossil of a Cretaceous Nautiloid in detail showing the suture lines that mark the individual internal chambers of the shell. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-fossil-of-a-cretaceous-nautiloid-in-detail-showing-the-suture-lines-that-mark-the-individual-internal-chambers-of-the-shell-image396902897.html
RM2E1MDKD–A fossil of a Cretaceous Nautiloid in detail showing the suture lines that mark the individual internal chambers of the shell.
Orthoceras Plate (Devonian) From Atlas Mountain Range, Morocco Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-orthoceras-plate-devonian-from-atlas-mountain-range-morocco-25324646.html
RMBD5HRJ–Orthoceras Plate (Devonian) From Atlas Mountain Range, Morocco
Cyrtoceras (Nautiloid) shell, Ordovician era Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/cyrtoceras-nautiloid-shell-ordovician-era-image216248748.html
RMPFPYDG–Cyrtoceras (Nautiloid) shell, Ordovician era
Polished orthoceras fossil. Isolated over white background Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/polished-orthoceras-fossil-isolated-over-white-background-image572923784.html
RF2T82X3M–Polished orthoceras fossil. Isolated over white background
Belemnite Death Assemblage Jurassic, Saltburn Bay, North Yorkshire Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/belemnite-death-assemblage-jurassic-saltburn-bay-north-yorkshire-image62228426.html
RMDH6MYP–Belemnite Death Assemblage Jurassic, Saltburn Bay, North Yorkshire
Orthoceras “Straight horn” fossil embedded in the limestone floor in a building in Stockholm, Sweden Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/orthoceras-straight-horn-fossil-embedded-in-the-limestone-floor-in-image152384728.html
RMJRWM7M–Orthoceras “Straight horn” fossil embedded in the limestone floor in a building in Stockholm, Sweden
Fossil early Nautiloid (Michelinceras aldense, Length 60mm, Mid-Devonian period), Aldea, New York State, USA. North America. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-fossil-early-nautiloid-michelinceras-aldense-length-60mm-mid-devonian-24204262.html
RFBBAGNX–Fossil early Nautiloid (Michelinceras aldense, Length 60mm, Mid-Devonian period), Aldea, New York State, USA. North America.
Uncites gryphus, fossil, vintage engraved illustration. Dictionary of Words and Things - Larive and Fleury - 1895 Stock Vectorhttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-uncites-gryphus-fossil-vintage-engraved-illustration-dictionary-of-84421379.html
RFEW9M97–Uncites gryphus, fossil, vintage engraved illustration. Dictionary of Words and Things - Larive and Fleury - 1895
Nautiloid statue with Thai and English names at Urai Thong Cave, La-ngu district,Satun Province, Thailand Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/nautiloid-statue-with-thai-and-english-names-at-urai-thong-cave-la-ngu-districtsatun-province-thailand-image466120134.html
RF2J29GYJ–Nautiloid statue with Thai and English names at Urai Thong Cave, La-ngu district,Satun Province, Thailand
3D rendering of an Orthoceras, or straight horn, extinct nautiloid cephalopod animal isolated on white background Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/3d-rendering-of-an-orthoceras-or-straight-horn-extinct-nautiloid-cephalopod-animal-isolated-on-white-background-image437114864.html
RF2GB48D4–3D rendering of an Orthoceras, or straight horn, extinct nautiloid cephalopod animal isolated on white background
3D rendering of an Orthoceras, or straight horn, extinct nautiloid cephalopod animal isolated on white background Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/3d-rendering-of-an-orthoceras-or-straight-horn-extinct-nautiloid-cephalopod-animal-isolated-on-white-background-image447088102.html
RF2GYAHC6–3D rendering of an Orthoceras, or straight horn, extinct nautiloid cephalopod animal isolated on white background
3D rendering of an Orthoceras, or straight horn, extinct nautiloid cephalopod animal isolated on white background Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/3d-rendering-of-an-orthoceras-or-straight-horn-extinct-nautiloid-cephalopod-animal-isolated-on-white-background-image328260812.html
RF2A21G0C–3D rendering of an Orthoceras, or straight horn, extinct nautiloid cephalopod animal isolated on white background
3D rendering of an Orthoceras, or straight horn, extinct nautiloid cephalopod animal isolated on white background Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/3d-rendering-of-an-orthoceras-or-straight-horn-extinct-nautiloid-cephalopod-animal-isolated-on-white-background-image362947843.html
RF2C2DKJY–3D rendering of an Orthoceras, or straight horn, extinct nautiloid cephalopod animal isolated on white background
closeup of a fossilized petrified Orthoceras Orthocera, Orthocerus Orthoceros Orthocone nautiloid cephalopod Nautilus Baculites ammonite dinosaur foss Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/closeup-of-a-fossilized-petrified-orthoceras-orthocera-orthocerus-orthoceros-orthocone-nautiloid-cephalopod-nautilus-baculites-ammonite-dinosaur-foss-image501824566.html
RF2M4C29X–closeup of a fossilized petrified Orthoceras Orthocera, Orthocerus Orthoceros Orthocone nautiloid cephalopod Nautilus Baculites ammonite dinosaur foss
Gomphoceras, vintage engraved illustration. From the Universe and Humanity, 1910. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/gomphoceras-vintage-engraved-illustration-from-the-universe-and-humanity-1910-image363165855.html
RF2C2RHN3–Gomphoceras, vintage engraved illustration. From the Universe and Humanity, 1910.
Orthoceras mollusc fossil slab 350 to 500 millions years old, fossil marine organisms Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/orthoceras-mollusc-fossil-slab-350-to-500-millions-years-old-fossil-image4685608.html
RMAH3Y29–Orthoceras mollusc fossil slab 350 to 500 millions years old, fossil marine organisms
Fossilised orthoceras from Morocco Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/fossilised-orthoceras-from-morocco-image7043734.html
RFA9CTW7–Fossilised orthoceras from Morocco
Discitoceras leveilleanum (Nautiloid) shell, Carboniferous era Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/discitoceras-leveilleanum-nautiloid-shell-carboniferous-era-image216248765.html
RMPFPYE5–Discitoceras leveilleanum (Nautiloid) shell, Carboniferous era
Ornamental Ammonite Fossil, Black and White Calcite. Macro Photo, Devon, UK. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/ornamental-ammonite-fossil-black-and-white-calcite-macro-photo-devon-uk-image247722090.html
RFTB0M1E–Ornamental Ammonite Fossil, Black and White Calcite. Macro Photo, Devon, UK.
Orthoceras ('straight horn') is a genus of extinct nautiloid cephalopod. sometimes called Orthoceratites. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-orthoceras-straight-horn-is-a-genus-of-extinct-nautiloid-cephalopod-56170560.html
RMD7AP3C–Orthoceras ('straight horn') is a genus of extinct nautiloid cephalopod. sometimes called Orthoceratites.
Orthoceras “Straight horn” fossil embedded in the limestone floor in a building in Stockholm, Sweden Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/orthoceras-straight-horn-fossil-embedded-in-the-limestone-floor-in-image152384735.html
RMJRWM7Y–Orthoceras “Straight horn” fossil embedded in the limestone floor in a building in Stockholm, Sweden
Obolus, fossil showing (a) interior of the ventral valve, (b) exterior of the dorsal valve, and (c) interior of the dorsal valve Stock Vectorhttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-obolus-fossil-showing-a-interior-of-the-ventral-valve-b-exterior-of-84412436.html
RFEW98WT–Obolus, fossil showing (a) interior of the ventral valve, (b) exterior of the dorsal valve, and (c) interior of the dorsal valve
Ancient ammonite fossil depicted in a minimal graphic style and isolated. Old Illustration by unidentified author published on Magasin Pittoresque Paris 1834 Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/ancient-ammonite-fossil-depicted-in-a-minimal-graphic-style-and-isolated-image156902883.html
RFK37F6B–Ancient ammonite fossil depicted in a minimal graphic style and isolated. Old Illustration by unidentified author published on Magasin Pittoresque Paris 1834
FEMALE SCUBA DIVER WITH A CHAMBERED NAUTILUS NAUTILUS MACROMPHALUS Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/female-scuba-diver-with-a-chambered-nautilus-nautilus-macromphalus-image513669.html
RMA7D685–FEMALE SCUBA DIVER WITH A CHAMBERED NAUTILUS NAUTILUS MACROMPHALUS
3D rendering of an Orthoceras, or straight horn, extinct nautiloid cephalopod animal isolated on white background Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/3d-rendering-of-an-orthoceras-or-straight-horn-extinct-nautiloid-cephalopod-animal-isolated-on-white-background-image328260775.html
RF2A21FY3–3D rendering of an Orthoceras, or straight horn, extinct nautiloid cephalopod animal isolated on white background
3D rendering of an Orthoceras, or straight horn, extinct nautiloid cephalopod animal isolated on white background Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/3d-rendering-of-an-orthoceras-or-straight-horn-extinct-nautiloid-cephalopod-animal-isolated-on-white-background-image362947808.html
RF2C2DKHM–3D rendering of an Orthoceras, or straight horn, extinct nautiloid cephalopod animal isolated on white background
closeup of a fossilized petrified Orthoceras Orthocera, Orthocerus Orthoceros Orthocone nautiloid cephalopod Nautilus Baculites ammonite dinosaur foss Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/closeup-of-a-fossilized-petrified-orthoceras-orthocera-orthocerus-orthoceros-orthocone-nautiloid-cephalopod-nautilus-baculites-ammonite-dinosaur-foss-image501824574.html
RF2M4C2A6–closeup of a fossilized petrified Orthoceras Orthocera, Orthocerus Orthoceros Orthocone nautiloid cephalopod Nautilus Baculites ammonite dinosaur foss
A manual of the Mollusca, or, A rudimentary treatise of recent and fossil shells . rgo no apparent meta-morphosis ; when born, they differ from their parents in size only. Thewater-breathers have at first a small nautiloid shell, capable of concealingthem entirely, and closed by an operculum. Instead of creeping, they swimwith a pair of cihated fins springing from the sides of thehead; and by this means are often more mdely dispersedthan we should be led to expect from their adult habits;thus some sedentaiy species of cahjptrcea and chiton havea greater range than the paper-sailor, or the ever Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-manual-of-the-mollusca-or-a-rudimentary-treatise-of-recent-and-fossil-shells-rgo-no-apparent-meta-morphosis-when-born-they-differ-from-their-parents-in-size-only-thewater-breathers-have-at-first-a-small-nautiloid-shell-capable-of-concealingthem-entirely-and-closed-by-an-operculum-instead-of-creeping-they-swimwith-a-pair-of-cihated-fins-springing-from-the-sides-of-thehead-and-by-this-means-are-often-more-mdely-dispersedthan-we-should-be-led-to-expect-from-their-adult-habitsthus-some-sedentaiy-species-of-cahjptrcea-and-chiton-havea-greater-range-than-the-paper-sailor-or-the-ever-image343321594.html
RM2AXFJ5E–A manual of the Mollusca, or, A rudimentary treatise of recent and fossil shells . rgo no apparent meta-morphosis ; when born, they differ from their parents in size only. Thewater-breathers have at first a small nautiloid shell, capable of concealingthem entirely, and closed by an operculum. Instead of creeping, they swimwith a pair of cihated fins springing from the sides of thehead; and by this means are often more mdely dispersedthan we should be led to expect from their adult habits;thus some sedentaiy species of cahjptrcea and chiton havea greater range than the paper-sailor, or the ever
Orthoceras mollusc fossil slab 350 to 500 millions years old, fossil marine organisms Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/orthoceras-mollusc-fossil-slab-350-to-500-millions-years-old-fossil-image4685609.html
RMAH3Y2A–Orthoceras mollusc fossil slab 350 to 500 millions years old, fossil marine organisms
Vestinautilus cariniferus, fossilised shell in limestone Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/vestinautilus-cariniferus-fossilised-shell-in-limestone-image216104807.html
RMPFGBTR–Vestinautilus cariniferus, fossilised shell in limestone
Ornamental Ammonite Fossil, Black and White Calcite. Macro Photo, Devon, UK. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/ornamental-ammonite-fossil-black-and-white-calcite-macro-photo-devon-uk-image247722067.html
RFTB0M0K–Ornamental Ammonite Fossil, Black and White Calcite. Macro Photo, Devon, UK.
Orthoceras ('straight horn') extinct cephalopod is a genus of extinct nautiloid cephalopod. sometimes called Orthoceratites. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-orthoceras-straight-horn-extinct-cephalopod-is-a-genus-of-extinct-56170591.html
RMD7AP4F–Orthoceras ('straight horn') extinct cephalopod is a genus of extinct nautiloid cephalopod. sometimes called Orthoceratites.
Obolus, fossil showing (a) interior of the ventral valve, (b) exterior of the dorsal valve, and (c) interior of the dorsal valve Stock Vectorhttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-obolus-fossil-showing-a-interior-of-the-ventral-valve-b-exterior-of-84421374.html
RFEW9M92–Obolus, fossil showing (a) interior of the ventral valve, (b) exterior of the dorsal valve, and (c) interior of the dorsal valve
Ancient ammonite fossil depicted in a minimal graphic style and isolated. Old Illustration by unidentified author published on Magasin Pittoresque Paris 1834 Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/ancient-ammonite-fossil-depicted-in-a-minimal-graphic-style-and-isolated-image156902889.html
RFK37F6H–Ancient ammonite fossil depicted in a minimal graphic style and isolated. Old Illustration by unidentified author published on Magasin Pittoresque Paris 1834
3D rendering of an Orthoceras, or straight horn, extinct nautiloid cephalopod animal isolated on white background Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/3d-rendering-of-an-orthoceras-or-straight-horn-extinct-nautiloid-cephalopod-animal-isolated-on-white-background-image328260778.html
RF2A21FY6–3D rendering of an Orthoceras, or straight horn, extinct nautiloid cephalopod animal isolated on white background
3D rendering of an Orthoceras, or straight horn, extinct nautiloid cephalopod animal isolated on white background Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/3d-rendering-of-an-orthoceras-or-straight-horn-extinct-nautiloid-cephalopod-animal-isolated-on-white-background-image362947871.html
RF2C2DKKY–3D rendering of an Orthoceras, or straight horn, extinct nautiloid cephalopod animal isolated on white background
closeup of a fossilized petrified Orthoceras Orthocera, Orthocerus Orthoceros Orthocone nautiloid cephalopod Nautilus Baculites ammonite dinosaur foss Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/closeup-of-a-fossilized-petrified-orthoceras-orthocera-orthocerus-orthoceros-orthocone-nautiloid-cephalopod-nautilus-baculites-ammonite-dinosaur-foss-image501824571.html
RF2M4C2A3–closeup of a fossilized petrified Orthoceras Orthocera, Orthocerus Orthoceros Orthocone nautiloid cephalopod Nautilus Baculites ammonite dinosaur foss
Carapaces divided into Nautiloides fossil chambers of Upper Bohemian Silurian, vintage engraved illustration. From the Universe and Humanity, 1910. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/carapaces-divided-into-nautiloides-fossil-chambers-of-upper-bohemian-silurian-vintage-engraved-illustration-from-the-universe-and-humanity-1910-image363165890.html
RF2C2RHPA–Carapaces divided into Nautiloides fossil chambers of Upper Bohemian Silurian, vintage engraved illustration. From the Universe and Humanity, 1910.
A manual of the Mollusca, or, A rudimentary treatise of recent and fossil shells . Fig. 52.* Gyroceras, Meyer, 1829.Etym., gyros, a circle, and ceras.Hyn., Nautiloceras, DOrb. Ex., G. eifeliense, DArch., pi. XL, fig. 13. Devonian, Eifel.Shell, nautiloid; wMrls separate; siphuncle excentric, radiated.Fossil, 17 sp. U. Silui-ian—Trias ? N. America, and Europe. AscocERAS, Barrande, 1848.tEtym., ascos, a leather bottle.Shell, bent upon itself, like ptychoceras.Distr., 7 sp. U. Silurian, Bohemia. FAMILY III. AMM0XITIDJ5. Shell. Body-chamber elongated; aperture giuivdcd by processes, andclosed by an Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/a-manual-of-the-mollusca-or-a-rudimentary-treatise-of-recent-and-fossil-shells-fig-52-gyroceras-meyer-1829etym-gyros-a-circle-and-cerashyn-nautiloceras-dorb-ex-g-eifeliense-darch-pi-xl-fig-13-devonian-eifelshell-nautiloid-wmrls-separate-siphuncle-excentric-radiatedfossil-17-sp-u-silui-iantrias-n-america-and-europe-ascoceras-barrande-1848tetym-ascos-a-leather-bottleshell-bent-upon-itself-like-ptychocerasdistr-7-sp-u-silurian-bohemia-family-iii-amm0xitidj5-shell-body-chamber-elongated-aperture-giuivdcd-by-processes-andclosed-by-an-image343324533.html
RM2AXFNXD–A manual of the Mollusca, or, A rudimentary treatise of recent and fossil shells . Fig. 52.* Gyroceras, Meyer, 1829.Etym., gyros, a circle, and ceras.Hyn., Nautiloceras, DOrb. Ex., G. eifeliense, DArch., pi. XL, fig. 13. Devonian, Eifel.Shell, nautiloid; wMrls separate; siphuncle excentric, radiated.Fossil, 17 sp. U. Silui-ian—Trias ? N. America, and Europe. AscocERAS, Barrande, 1848.tEtym., ascos, a leather bottle.Shell, bent upon itself, like ptychoceras.Distr., 7 sp. U. Silurian, Bohemia. FAMILY III. AMM0XITIDJ5. Shell. Body-chamber elongated; aperture giuivdcd by processes, andclosed by an
Ornamental Ammonite Fossil, Black and White Calcite. Macro Photo, Devon, UK. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/ornamental-ammonite-fossil-black-and-white-calcite-macro-photo-devon-uk-image247722093.html
RFTB0M1H–Ornamental Ammonite Fossil, Black and White Calcite. Macro Photo, Devon, UK.
Cyrtoceras, vintage engraved illustration. From the Universe and Humanity, 1910. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/cyrtoceras-vintage-engraved-illustration-from-the-universe-and-humanity-1910-image363165838.html
RF2C2RHME–Cyrtoceras, vintage engraved illustration. From the Universe and Humanity, 1910.
. The microscope and its revelations. from it.v relation not only to the similar structureof the large fossil examples of the same type, but also to that whichis presented in other gigantic fossil arenaceous forms to he presentlydescribed. Although some of the nautiloid Lilnnln -are among the largestof existing Koraminifera. having a, diameter of fK! inch, they aremere dwarfs in comparison with two gigantic fossil forms, whose PAEKEKIA 8I7 structure has been elucidated by Mr. H. B. Brady and the Author.1Geologists who have worked over the Greensand of Cambridgeshirehave long been familiar with Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/the-microscope-and-its-revelations-from-itv-relation-not-only-to-the-similar-structureof-the-large-fossil-examples-of-the-same-type-but-also-to-that-whichis-presented-in-other-gigantic-fossil-arenaceous-forms-to-he-presentlydescribed-although-some-of-the-nautiloid-lilnnln-are-among-the-largestof-existing-koraminifera-having-a-diameter-of-fk!-inch-they-aremere-dwarfs-in-comparison-with-two-gigantic-fossil-forms-whose-paekekia-8i7-structure-has-been-elucidated-by-mr-h-b-brady-and-the-author1geologists-who-have-worked-over-the-greensand-of-cambridgeshirehave-long-been-familiar-with-image370772048.html
RM2CF63ET–. The microscope and its revelations. from it.v relation not only to the similar structureof the large fossil examples of the same type, but also to that whichis presented in other gigantic fossil arenaceous forms to he presentlydescribed. Although some of the nautiloid Lilnnln -are among the largestof existing Koraminifera. having a, diameter of fK! inch, they aremere dwarfs in comparison with two gigantic fossil forms, whose PAEKEKIA 8I7 structure has been elucidated by Mr. H. B. Brady and the Author.1Geologists who have worked over the Greensand of Cambridgeshirehave long been familiar with
Ornamental Ammonite Fossil, Black and White Calcite. Macro Photo, Devon, UK. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/ornamental-ammonite-fossil-black-and-white-calcite-macro-photo-devon-uk-image247722062.html
RFTB0M0E–Ornamental Ammonite Fossil, Black and White Calcite. Macro Photo, Devon, UK.
Lituites cornu-arietis, a cephalopod from the Silurian Period, from Louis Figuier's The World Before the Deluge, 1867 American edition. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/stock-photo-lituites-cornu-arietis-a-cephalopod-from-the-silurian-period-from-103984531.html
RMG14W97–Lituites cornu-arietis, a cephalopod from the Silurian Period, from Louis Figuier's The World Before the Deluge, 1867 American edition.
Nautiloids fossils of the Upper Silurian of Bohemia, vintage engraved illustration. From the Universe and Humanity, 1910. Stock Photohttps://www.alamy.com/licenses-and-pricing/?v=1https://www.alamy.com/nautiloids-fossils-of-the-upper-silurian-of-bohemia-vintage-engraved-illustration-from-the-universe-and-humanity-1910-image363165847.html
RF2C2RHMR–Nautiloids fossils of the Upper Silurian of Bohemia, vintage engraved illustration. From the Universe and Humanity, 1910.
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