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Protypotherium claudum
Taxonomy
Protypotherium claudum was named by Ameghino (1889) [Fernández et al. (2023) present images and measurements of the specimens (Fig. 8B–D; Supporting Information, Table S2).]. Its type specimen is MACN A 551, a mandible (right mandibular fragment with p2 (alveolus)–p3–m2), and it is a 3D body fossil.
It was synonymized objectively with Protypotherium australe by Tauber (1996).
It was synonymized objectively with Protypotherium australe by Tauber (1996).
Synonymy list
| Year | Name and author |
|---|---|
| 1889 | Protypotherium claudum Ameghino p. 480 |
| 1894 | Protypotherium claudum Ameghino p. 13 |
| 2023 | Protypotherium claudum Fernández et al. |
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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.
†Protypotherium claudum Ameghino 1889
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. Fernández et al. 2023 | Extended diagnosis: Protypotherium claudum differs from Pr. compressidens, Pr. antiquum, Pr. australe, Pr. praerutilum, Pr. columnifer, Pr. minutum, and Pr. colloncurensis by p2–3 without the entoflexid and with the ectoflexid wider and slightly more mesially placed, and p4–m3 with shallower entoflexid; from Pr. australe and Pr. distinctum by having a smaller size; from Pr. compressidens by having relatively wider lower cheek teeth; from Pr. antiquum by the talonid of m3 without labial groove; from Pr. colloncurensis and Pr. columnifer by the talonid of p2–4 subtriangular in outline; and from Pr. columnifer by the talonid of p4 narrower than the trigonid. |