The Jordan theropod (Maastrichtian, Montana, U. S. A.) referred to the genus Aublysodon Author R. E. Molnar Author K. Carpenter text Géobios 1989 1989-12-31 22 4 445 454 http://www.sciencedirect.com/science/article/pii/S0016699589800981 journal article 31658 10.1016/S0016-6995(89)80098-1 737071f6-e466-4247-91c6-da15c1d71b32 1037473

Tabl. 2 - Characters used in determining the relationships of Aublysodon. Caractères utilises pour determiner la position systématique Ae Aublysodon.

character	plesiomorphic/apomorphic
Characters 1 to 8, 10, and 17 to 20 discussed in text, characters 9 and 11 to 16 from Currie (1987).
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