RF2J6P20H–Skeleton with outline of body of an Ichthyosaur. [Top] Skeleton with outline of body of a Plesiosaur [bottom]from the book ' Reptiles, amphibia, fishes and lower chordata ' by Joseph Thomas Cunningham, Richard Lydekker, George Albert Boulenger, John Arthur Thomson, Publication date 1912 Publisher London : Methuen
RFGPW57W–t-rex skeleton
RMET94W2–Berlin, Germany, skeleton of a common frog
RFJN046E–Close up of prehistoric extinct animals in stone. Fossils of extinct amphibian
RF2HMN5TK–A skeleton of the platypus (Ornithorhynchus anatinus), duck-billed platypus, isolated on a black background
RF2R7H42T–is an extinct temnospondyl amphibian, lived between the Upper Carboniferous and Early Permian (about 300 million years ago)
RFHY0R61–bone remnants lying in open air on the grass
RF2C5PHJF–Fossil prehistoric deep ocean fish skeleton isolated on the white background. Science and Earth life evolution researching concept image.
RFAMR6EW–Crab shell on beach
RM2A7763C–Amphibamus grandiceps, restored skeleton by R.L. Moodie. Wood engraving from H. N. Hutchinson's 'Extinct Monsters and Creatures of Other Days,' Chapman and Hall, London, 1894.
RMB6N4C0–Skull of gigantic amphibian (Mastodonsaurus torvus), palaeontology museum, Moscow, Russia
RM2A7789Y–Skull and tooth of extinct temnospondyl amphibian Mastodonsaurus jaegeri, footprints of Eubrontes giganteus, tracks of Chirotherium and single footprint of Eubrontes giganteus. Chromolithograph from Dr. Fr. Rolle's 'Geology and Paleontology' section in Gotthilf Heinrich von Schubert's 'Naturgeschichte,' Schreiber, Munich, 1886.
RF2GD3BNX–Mastodonsaurus is an extinct genus of temnospondyl amphibian from the Middle Triassic
RFPJ1AE6–Cane toad (Rhinella marina) next to the skeleton of a green turtle (Chelonia mydas), North Queensland, Australia
RMD7DNF7–Fossil Archegosaur. Permian age.
RF2H5FJTY–Vertebrates are animals with backbones
RMCRT8EW–Fossil remains of Buettneria perfecta, an amphibian of Triassic age.
RF2J6P20E–Skeleton of a short-tailed Pterodactyle (Pterodactylus spectabilis). [Top] Restoration of a long-tailed Pterodactyle (Rhamphorhynchus phyllurns) [Bottom]. from the book ' Reptiles, amphibia, fishes and lower chordata ' by Joseph Thomas Cunningham, Richard Lydekker, George Albert Boulenger, John Arthur Thomson, Publication date 1912 Publisher London : Methuen
RFGPXDKT–t-rex skeleton
RFJN047P–Close up of prehistoric extinct animals in stone. Fossils of extinct amphibian
RF2J8KAY7–The skull of the Alligator on a black background
RM2T9A8H0–Seymouria baylorensis
RF2REX06F–snapping turtle skull head vector illustration
RFPJE59C–fossil closeup of a reptile-like animal named Seymouria seen from above
RF2B770HW–The skeleton of a frog. Frogs are carnivorous group of short-bodied, tailless amphibians of the order Anura produce a wide range of vocalizations, vin
RFHY0R5N–bone remnants lying in open air on the grass
RF2C5PHHP–Fossil prehistoric deep ocean fish skeleton isolated on the white background. Science and Earth life evolution researching concept image.
RF2C5PGA7–Fossil prehistoric deep ocean fishes school skeletons isolated on the white background. Science and Earth life evolution researching concept image.
RFRHPXN2–fossil of a prehistoric frog found in perfect condition on a rock
RF2C5PHJ4–Fossil prehistoric deep ocean fishes school skeletons isolated on the white background. Science and Earth life evolution researching concept image.
RM2A7789H–Restoration of plant landscape of the Permian. Sigillaria alternans, Lepidodendron corrugatum, Sagenaria dichotoma, Sagenaria veltheimiana, Stigmaria, Sphenophyllum, Asterophylliten, Cyclopteris, Neuroptis, with temnospondyl amphibian Archegosaurus and fish Palaeoniscus. Chromolithograph from Dr. Fr. Rolle's 'Geology and Paleontology' section in Gotthilf Heinrich von Schubert's 'Naturgeschichte,' Schreiber, Munich, 1886.
RFKWPED5–turtle skull on a rock
RF2CGNENM–Closeup of a frog skeleton with selective focus
RME57W5X–Skeleton of Japanese Giant salamander, Andrias japonicus, Japan
RMCRT8EP–Fossil remains of Buettneria perfecta, an amphibian of Triassic age.
RF2J6P20X–Ventral view of the skeleton of the existing Logger-head Turtle (Thalassochelys) with the plastron removed to show the position of the shoulder-girdle and pelvis within the ribs from the book ' Reptiles, amphibia, fishes and lower chordata ' by Joseph Thomas Cunningham, Richard Lydekker, George Albert Boulenger, John Arthur Thomson, Publication date 1912 Publisher London : Methuen
RMD7DNAB–Fossil of lobe-finned fish Tiktaalik roseae, a key evolutionary link between fish and amphibian. Devonian age.
RF2H0FAFY–Close up of prehistoric extinct animals in stone. Fossils of extinct amphibian
RF2AHXCGH–Fossil amphibian, Apateon species These extinct aquatic salamander-like animals lived in ponds and lakes 295 to 290 million years ago in what is now G
RF2T9KR7R–Black white Halloween seamless pattern with Animals Monster Skeletons. Roentgen skeleton bones, fairy tale characters. Ornament for printing on fabric
RF2REWYPC–goliath frog skull head vector illustration
RFPJE56N–fossil closeup of a reptile-like animal named Seymouria seen from above
RF2T8AY40–Collection of Halloween Animals Monster Skeletons. Roentgen skeleton bones, fairy tale creepy characters set. Cartoon black white vector isolated on p
RF2NABY9D–Boophis frog, Juvenile, genus in the mantellid frog subfamily Boophinae, commonly known as bright-eyed or skeleton frogs. Ranomafana National Park, Ma
RF2WT9WBE–Turtle fossil. Dead and bleached turtle skeleton.
RF2R5WB25–Kamacops acervalis is an extinct amphibian that belonged to the group of temnospondyls.
RM2T9ER1T–The Common Frog is a denizen of marshes and waterways around the UK. They are Europe's commonest amphibian and they emerge from hibernation in spring.
RF2D12X1M–bony skeleton of a sitting frog
RM2A9AGRK–Amphibian Actinodon Longirostris. fossil. Sclerocephalus is an extinct genus of temnospondyl amphibian from the lowermost Permian of Germany. Photogra
RFR2K6M8–fire salamander
RFKWPED0–turtle skull on a rock
RFDD2HT8–zoology, anatomy of amphibian, cross-section and skeleton
RMDTFBA3–Tortoise skeleton
RF2C6CRB4–Skeleton of a frog in top view after an antique illustration from the 19th century
RMHRNP4A–Eryops, Primitive Amphibian
RMD7DNE5–Fossil head of lobe-finned fish Tiktaalik roseae, a key evolutionary link between fish and amphibian. Devonian age.
RFW1G09K–Anatomy frog. Internal organs of toad. Amphibian preparation. Study guide zoologists
RM2A7788M–Fossils of fish, crustaceans, and amphibians: Uronectes fimbriatus (Gampsonyx fimbriatus), Amblypterus macropterus (restoration), Palaeoniscus freislebeni, tetrapod Lepterpeton dobbsii, and temnospondyl Archegosaurus decheni. Chromolithograph from Dr. Fr. Rolle's 'Geology and Paleontology' section in Gotthilf Heinrich von Schubert's 'Naturgeschichte,' Schreiber, Munich, 1886.
RF2GD3BNE–Pareiasaurus Deltavyatia (Deltavjatia vjatkensis). Paleontology late Permian fossils.
RF2C2T6DK–Skeleton of the arm of a turtle and a bird to show the regression of the hand in birds, vintage engraved illustration. From the Universe and Humanity,
RFHXBJ7P–bone fragments of a spinal column lying in the grass
RM2BNDX63–Red-eyed boophis frog (Boophis luteus) captive occurs in Madagascar.
RF2NABY84–Boophis frog, Juvenile, genus in the mantellid frog subfamily Boophinae, commonly known as bright-eyed or skeleton frogs. Ranomafana National Park, Ma
RF2WT9WNC–Turtle fossil. Dead and bleached turtle skeleton.
RF2R5WB24–Kamacops acervalis is an extinct amphibian that belonged to the group of temnospondyls.
RM2R9DYE4–At the end of spring tiny froglets start to emerge from ponds. They have completed the process of metamorphosis and can now breath through their skin.
RF2D12X20–bony skeleton of a sitting frog
RFRD7GB0–A dead mommified frog stuck in a window.
RFRJR353–Spanish imperial eagle. Aquila adalberti, Bird skull with white background
RMAED2PG–Mummified dead frog with visible skeleton photograph in the lab
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