Sinohippus sampelayoi ( Villalta and Crusafont, 1945 )
publication ID |
https://doi.org/ 10.5281/zenodo.13407183 |
DOI |
https://doi.org/10.5281/zenodo.13407193 |
persistent identifier |
https://treatment.plazi.org/id/038C1A2E-7208-4256-B726-3D9BFAF1FDD0 |
treatment provided by |
Felipe |
scientific name |
Sinohippus sampelayoi ( Villalta and Crusafont, 1945 ) |
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Sinohippus sampelayoi ( Villalta and Crusafont, 1945) .
Figs. 1–4 View Fig View Fig View Fig View Fig .
Synonyms: Anchitherium sampelayoi Villalta and Crusafont, 1945 :
figs. 1–4; Anchitherium ezquerrae sampelayoi Abusch−Siewert,
1983: pl. 3: 2.
Holotype: IGME 1175 M ( Fig. 2 View Fig ), Right hemimandible with p2, d2, p3, d3, p4, d4, m1, m2, and m3 (see Villalta and Crusafont 1945:figs. 1–3).
Paratype: IPS−70 , Fragment of left hemimandible with d2 and d3 (see Villalta and Crusafont 1945: fig. 4) .
Other material examined: IPS−2001, fragment of hemimandible with p4, m1 and m2 ( Fig. 3 View Fig ). There is a cast of an unpublished fragment of maxilla with P3 and P4 ( Fig. 4 View Fig ), deposited in the MNCN, which give the only information about the upper dentition of this species; the original specimen belongs to MLS.
Type locality: Nombrevilla−1 (Calatayud−Daroca Basin, province of Zaragoza, Spain).
Age: Early Vallesian (basal Late Miocene) (zone MN 9 of Mein 1975).
Other localities: Soblay and Doué−la−Fontaine ( France), and Eçme−Akçaköi ( Turkey).
Diagnosis.—In Villalta and Crusafont (1945: 78): “terminal, derived Anchitherium of large size, with marked tendency to hypsodonty, basal cingulum almost obsolete, mainly in the juvenile teeth; more evident homeodonty than in the primitive forms, milk teeth highly reduced, special shape of d2”; additionally: upper premolars with marked buccal cingulum and absence of lingual cingulum, hypostyle without connection with the metalophe, and absence of crochet.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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