Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Dinohippus
Taxonomy
Dinohippus was named by Quinn (1955). It was considered polyphyletic by Prado and Alberdi (1996).
It was assigned to Equidae by MacFadden (1986) and Carroll (1988); to Pliohippina by Prado and Alberdi (1996); and to Equini by Quinn (1955), Prothero and Schoch (1989), Kelly (1995) and MacFadden (1998).
It was assigned to Equidae by MacFadden (1986) and Carroll (1988); to Pliohippina by Prado and Alberdi (1996); and to Equini by Quinn (1955), Prothero and Schoch (1989), Kelly (1995) and MacFadden (1998).
Synonymy list
Year | Name and author |
---|---|
1955 | Dinohippus Quinn p. 43 |
1986 | Dinohippus MacFadden p. 468 |
1988 | Dinohippus Carroll |
1989 | Dinohippus Prothero and Schoch p. 532 |
1995 | Dinohippus Kelly p. 19 |
1996 | Dinohippus Prado and Alberdi p. 676 |
1998 | Dinohippus MacFadden p. 551 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
G. †Dinohippus Quinn 1955
show all | hide all
†Dinohippus interpolatus Cope 1893
†Dinohippus leardi Drescher 1941
†Dinohippus mexicanus Lance 1950
hide
Invalid names: Equus (Dolichohippus) mesamexicanus Mooser 1973 [synonym], Hippotigris ocotensis Mooser 1958 [synonym], Protohippus muelleri Mooser 1964 [synonym]
†Dinohippus osborni Frick 1921
†Dinohippus spectans Cope 1880
†Dinohippus subvenus Quinn 1955
Diagnosis
Reference | Diagnosis | |
---|---|---|
J. H. Quinn 1955 | ze large; fossae not deeply excavlfted, malar fossa small or absent; upper teeth mildly curved, styles heavy with deep valleys; pli protoloph present; preprotoconal. groove deep, protocone elongate, a n d sometimes grooved internally on premolars, post-. protoconal groove , deep; hypoconal groove closed.· at about middle of crown and terminating at tip of hypocone; lower teeth transverse! y compressed; metaconid lai;ge and unrestricted, metastylid small and restricted; flexids large and deep; median valley deeply excavated on molars; hypoconulid of third molar grooved; parastylid weak; no pli caballinid; metaarsals long (240 to 265 mm). |