Published December 31, 1972
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Taxonomic treatment
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Palaeoscincus costatus Leidy 1856
Creators
Description
Palaeoscincus costatus Leidy, 1856
Figure 9C, D
Palaeoscincus costatus Leidy is based on a single tooth and is the only ankylosaur species to have been reported from the Judith River Formation until the present study. The tooth was figured by Leidy (1860, pl. 9, figs. 49-52). AMNH 8542 from the present collection is similar to Leidy's specimen. AMNH 8542 has large and sometimes distinct denticles with well-separated cones (fig. 9C, D).
The flutings, however, do not extend to the base of the crown. A basal cingulum is present on the lingual side.
Notes
Published as part of Sahni, Ashok, 1972, The vertebrate Fauna of the Judith River formation, Montana, pp. 319-416 in Bulletin of the American Museum of Natural History 147 (6) on page 363, DOI: 10.5281/zenodo.3382461
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Linked records
Additional details
Identifiers
Biodiversity
- Genus
- Palaeoscincus
- Kingdom
- Animalia
- Order
- Dinosauria
- Phylum
- Chordata
- Scientific name authorship
- Leidy
- Species
- costatus
- Taxon rank
- species
- Taxonomic concept label
- Palaeoscincus costatus Leidy, 1856 sec. Sahni, 1972
References
- LEIDY, J. 1856. Notices of the remains of extinct reptiles and fishes discovered by Dr. F. V. Hayden in the badlands of the Judith River, Nebraska Territory. Proc. Acad. Nat. Sci. Phila- delphia, vol. 8, pp. 72 - 73.
- 1860. Extinct vertebrata from the Judith River and Great Lignite formations of Nebraska. Trans. Amer. Philos. Soc., new ser., vol. 11, pp. 139 - 154, pls. 8 - 1 1.