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Calippus cerasinus
Taxonomy
Calippus (Grammohippus) cerasinus was named by Hulbert (1988). Its type specimen is F:AM 114100, a partial skull (partial adult skull containing left maxilla with P2-M3, and portions of the left facial region, orbit, and braincase), and it is a 3D body fossil.
It was recombined as Calippus cerasinus by MacFadden (1998).
It was recombined as Calippus cerasinus by MacFadden (1998).
Synonymy list
| Year | Name and author |
|---|---|
| 1988 | Calippus (Grammohippus) cerasinus Hulbert, Jr. p. 264 figs. 17 - 19 |
| 1998 | Calippus cerasinus MacFadden p. 550 |
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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.
†Calippus cerasinus Hulbert, Jr. 1988
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| R. C. Hulbert 1988 | Smaller than C. martini and with less high-crowned cheekteeth. Unworn molar crown height about 50 mm; toothrow lengths of 105 to 110 mm in moderate wear. Moderately curved upper cheekteeth with strong styles; anterolabial-posterolingually oriented, elongate-oval protocones with rounded lingual borders and shallow preprotoconal grooves; hypoconal groove variable in depth, persistently open in molars, closed to form lake and then lost with wear in premolars; pli caballin vestigial in premolars, absent in molars. Protocone relatively and absolutely longer than that of C.
hondurensis. Lower cheekteeth with small metastyles relative to metaconids, generally with deeper ectoflexids than C. hondurensis, and with more poorly developed protostylids. |
Measurements
No measurements are available
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| Source: g = genus, subf = subfamily, subc = subclass, c = class, subp = subphylum | |||||
| References: MacFadden 1998, Hendy et al. 2009, Nowak 1991, Carroll 1988, Ji et al. 2002, Lillegraven 1979, MacFadden and Cerling 1996 | |||||
Age range: base of the Tortonian to the top of the Clarendonian or 11.62000 to 9.40000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Miocene | USA (Texas) | Calippus cerasinus (18687) | |
| Miocene | USA (Florida) | Calippus cerasinus (18542 18574) | |
| Clarendonian | USA (Nebraska) | Calippus cerasinus (18099 18135 18214 18218 18227 18245 18333 18458 18496) | |
| Late/Upper Clarendonian | USA (Florida) | Calippus cerasinus (18554) | |
| Tortonian - Zanclean | USA (Florida) | Calippus cerasinus (18568) |