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Merychippus gunteri
Taxonomy
Merychippus gunteri was named by Simpson (1930). Its type locality is Midway, which is in a Hemingfordian terrestrial horizon in the Torreya Formation of Florida.
It was recombined as Merychippus (Merychippus) gunteri by Stirton (1940); it was recombined as Hippodon gunteri by Quinn (1955); it was synonymized subjectively with Parahippus leonensis by Bader (1956).
It was recombined as Merychippus (Merychippus) gunteri by Stirton (1940); it was recombined as Hippodon gunteri by Quinn (1955); it was synonymized subjectively with Parahippus leonensis by Bader (1956).
Synonymy list
Year | Name and author |
---|---|
1930 | Merychippus gunteri Simpson |
1940 | Merychippus (Merychippus) gunteri Stirton p. 181 |
1955 | Hippodon gunteri Quinn p. 13 |
1975 | Merychippus gunteri Forsten p. 22 figs. Tables 11, 29; Fig. 4 |
1991 | Merychippus gunteri Hulbert, Jr. and MacFadden |
1995 | Merychippus gunteri Kelly p. 25 |
1998 | Merychippus gunteri MacFadden p. 547 |
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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.
†Merychippus gunteri Simpson 1930
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Diagnosis
Reference | Diagnosis | |
---|---|---|
J. H. Quinn 1955 | Molars subhypsodont, about as in M. primus. Upper cheek teeth relatively short and broad, with strong external ridges. Protocone· relatively small, almost circular, with spur, and
united to protoconule near apex. Pli caballin simple but normally present. One or two well de- fined folds on each side of the metaloph. Metastylid feebly separated on P. 2,strongly distinct and simple, elongate. Lower incisor series somewhat less transverse than in M. primus. | |
A. -M. Forsten 1975 | Simpson (1930, p. 165, in Quinn, 1955, p. 13): Molars subhypsodont, about as in M. primus. Upper cheek teeth relatively short and broad, with strong external ridges. Protocone relatively small, almost circular, with spur, and united to protoconule near apex. Pli caballin simple but normally present. One or two well defined folds on each side of the metaloph. Metastylid feebly separated on lower P2, strongly distinct on other lower cheek teeth. Heel of M3 small and simple, elongate. |