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Protechimys major
Taxonomy
Protechimys major was named by Schlosser (1884). Its type specimen is BSPG 1879 XV 518, a maxilla (left maxilla bearing DP4 to M2), and it is a 3D body fossil. It is the type species of Protechimys.
Synonymy list
Year | Name and author |
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1884 | Protechimys major Schlosser p. 68 |
2014 | Protechimys major Vianey-Liaud et al. p. 586 |
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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.
†Protechimys major Schlosser 1884
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Diagnosis
Reference | Diagnosis | |
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M. Vianey-Liaud et al. 2014 | "(after Vianey-Liaud 1976: 55; 1998; Mödden 1993; Mödden & Vianey-Liaud 1997). Evolutionary stage more progressive than in Protechimys blainvillei (Gervais, 1848) (Archaeomys gervaisi Thaler, 1966 is a junior synonym of P. blainvillei). Presence of a thin layer of cement even on deciduous teeth.
Lower teeth: Fusion between synclinid I and presynclinid on dp4. Upper teeth: On P4-M3, syncline I present only in very slightly worn teeth, or missing. Syncline II absent." |
Measurements
No measurements are available
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Source: f = family, o = order, subc = subclass, c = class, subp = subphylum | |||||
References: Grimes et al. 2004, Hendy et al. 2009, Lillegraven 1979, Carroll 1988, Ji et al. 2002, Nowak 1999 |