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Taxonomy
Sinozapus volkeri was named by Qiu and Storch (2000). Its type specimen is IVPP V11911, a tooth (M1 sup. sin.), and it is not a trace fossil. Its type locality is Bilike, which is in a Pliocene lacustrine horizon in China. It is the type species of Sinozapus.
Synonymy list
| Year | Name and author |
|---|---|
| 2000 | Sinozapus volkeri Qiu and Storch p. 188 figs. Pl. 6, fig. 28 |
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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.
†Sinozapus volkeri Qiu and Storch 2000
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| Z. Qiu and G. Storch 2000 | Large-sized; M1 and M2 of subequal size. Occlusal outline of M1 and M2 square. Protocone and hypoconeof M1-3 inflated. Two strong lophs (protolophule I and II) on M2-3, connecting paracone with anterior and posterior arm of protocone. Sinus wide mesiodistally on M1 and well developed on M2; M3 with shallow protoflexus and sinus. Tendency to develop longitudinal spurs on meso-, meta-, and posteroloph of M1-2. Ectolophid of m1-2 oriented parallel to long axis of tooth. m1 without distinct mesoconid, reduced anteroconid, inflated hypoconid, and connection between protoconid and ectolophid. m3 conspicuously tapering posteriorly, with strong connection between metaconid and mesolophid and reduced posterolophid. |