File:Psittacosaurus & Crocodylus cloaca.png
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English: Cloaca of Psittacosaurus and Crocodylus. a Cloacal region of Psittacosaurus (SMF R 4970) under LSF showing the ischial callosity, transversally banded abdominal and caudal basement scales, and lateral lips of the cloaca. b Cloacal region of a juvenile freshwater crocodile (Crocodylus johnsoni; University of New England Natural History Museum, no specimen number) showing the rosette pattern of scales surrounding the vent and transverse banding of the ventral scales on the abdomen and tail. c Close up on the cloaca of Psittacosaurus (SMF R 4970) under LSF showing the two lateral lips and the longitudinally-oriented cloacal vent. d Close up on the cloaca and longitudinally-oriented vent of Crocodylus johnsoni. cl cloacal scales, dl dorsal lobe, ic ischial callosity, l left (in brackets), ll lateral lip, r right (in brackets), ta transverse abdominal scales, tc transverse caudal scales, ve vent. Anterior is toward the top in all images. Scale bars equal 2 cm (a), 1 cm (b, c), and 5 mm (d). |
| Date | |
| Source | Bell, P.R., Hendrickx, C., Pittman, M. et al. The exquisitely preserved integument of Psittacosaurus and the scaly skin of ceratopsian dinosaurs. Commun Biol 5, 809 (2022). https://doi.org/10.1038/s42003-022-03749-3 |
| Author | Phil R. Bell, Christophe Hendrickx, Michael Pittman, Thomas G. Kaye & Gerald Mayr |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 03:41, 14 August 2022 | | 1,000 × 1,548 (3.07 MB) | PaleoNeolitic (talk | contribs) | Uploaded a work by Phil R. Bell, Christophe Hendrickx, Michael Pittman, Thomas G. Kaye & Gerald Mayr from Bell, P.R., Hendrickx, C., Pittman, M. et al. The exquisitely preserved integument of Psittacosaurus and the scaly skin of ceratopsian dinosaurs. Commun Biol 5, 809 (2022). https://doi.org/10.1038/s42003-022-03749-3 with UploadWizard |
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