English: Illustration from Report on the Radiolaria collected by H.M.S. Challenger during the years 1873-1876. Part III. Original description follows: Plate 113. Castanellida. Diam. Fig. 1. Castanissa challengeri, n. sp., × 100 In the lower part of the figure is visible the large corona of teeth around the mouth (a). Fig. 2. Castanidium moseleyi, n. sp., × 80 In the upper part of the figure, at left, is visible the irregular polygonal mouth (a). Fig. 3. Castanopsis naresi, n. sp., × 80 In the upper part of the figure is visible the smooth circular mouth (a). Fig. 4. Castanura tizardi,

English: Illustration from Report on the Radiolaria collected by H.M.S. Challenger during the years 1873-1876. Part III. Original description follows: Plate 113. Castanellida. Diam. Fig. 1. Castanissa challengeri, n. sp., × 100 In the lower part of the figure is visible the large corona of teeth around the mouth (a). Fig. 2. Castanidium moseleyi, n. sp., × 80 In the upper part of the figure, at left, is visible the irregular polygonal mouth (a). Fig. 3. Castanopsis naresi, n. sp., × 80 In the upper part of the figure is visible the smooth circular mouth (a). Fig. 4. Castanura tizardi, Stock Photo

RMID:P7B322

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English: Illustration from Report on the Radiolaria collected by H.M.S. Challenger during the years 1873-1876. Part III. Original description follows: Plate 113. Castanellida. Diam. Fig. 1. Castanissa challengeri, n. sp., × 100 In the lower part of the figure is visible the large corona of teeth around the mouth (a). Fig. 2. Castanidium moseleyi, n. sp., × 80 In the upper part of the figure, at left, is visible the irregular polygonal mouth (a). Fig. 3. Castanopsis naresi, n. sp., × 80 In the upper part of the figure is visible the smooth circular mouth (a). Fig. 4. Castanura tizardi, n. sp., × 80 Fig. 4a. A single main-spine of the same, × 400 Fig. 5. Castanidium murrayi, n. sp., × 100 With a large phæodium, partly protruded through the circular mouth. Fig. 5a. A single main-spine of the same, hexagonally dimpled, × 400 Fig. 6. Castanella wyvillei, n. sp., × 100 A piece of the shell with the mouth, armed with six large teeth (a). Fig. 7. Castanidium buchanani, n. sp., × 100 A piece of the shell with the smooth roundish mouth (a). . 1887 66 Radiolaria (Challenger) Plate 113

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