Published December 31, 1989
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Tabl. 2 in The Jordan theropod (Maastrichtian, Montana, U. S. A.) referred to the genus Aublysodon
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Description
Tabl. 2 - Characters used in determining the relationships of Aublysodon. Caractères utilises pour determiner la position systématique Ae Aublysodon.
| character | plesiomorphic/apomorphic |
|---|---|
| 1. premaxillary teeth D-shaped in section | a |
| 2. premaxillary teeth not serrate | p |
| 3. premaxillary teeth with low ridge on posterior face | a |
| 4. cheek teeth relatively large (with respect to depthof muzzle and jaw) | p |
| 5. muzzle long and low | p |
| 6. frontals longer than wide | p |
| 7. two or three prongs of nasal overlap frontal | a |
| 8. dorsolaterally directed prefrontal contact on frontal | p |
| 9. socket for prefrontal on frontal | p |
| 10. elongate contact for prefrontal on frontal | p |
| 11. orbital rim on frontal very short | p |
| 12. frontal-prefrontal suture expanded | p |
| 13. pronounced buttress at frontal-postorbital contact | p |
| 14. parietal process separates frontal posteriorly | p |
| 15. sagittal crest extends onto frontals | p |
| 16. frontals essentially flat between orbits | p |
| 17. nasals smooth | p |
| 18. anterior margin of antorbital fossa v-shaped | p |
| 19. acute angle of premaxillary-maxillary contact withventral margin of snout | p |
| 20. ventral margin of symphysis only slightly inclinedto horizontal | p |
Characters 1 to 8, 10, and 17 to 20 discussed in text, characters 9 and 11 to 16 from Currie (1987).
Notes
Published as part of R. E. Molnar & K. Carpenter, 1989, The Jordan theropod (Maastrichtian, Montana, U. S. A.) referred to the genus Aublysodon, pp. 452 in Géobios 22 (4) on page 452, DOI: 10.1016/S0016-6995(89)80098-1, http://zenodo.org/record/1037473
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Related works
- Is part of
- Journal article: 10.1016/S0016-6995(89)80098-1 (DOI)
- Journal article: urn:lsid:plazi.org:pub:91627C07403746452E27FFBCFF8F130A (LSID)
- Journal article: http://publication.plazi.org/id/91627C07403746452E27FFBCFF8F130A (URL)
- Journal article: http://zenodo.org/record/1037473 (URL)
References
- Currie P. J. (1987) - Theropods of the Judith River Formation of Dinosaur Provincial Park. In, Currie P. J. & Koster E. H. eds. Fourth Symposium on Mesozoic Terrestrial Ecosystems, Short Papers. Drumheller, 52 - 60.