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| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Microparamys bayi
Taxonomy
Microparamys bayi was named by Dawson (2001). Its type specimen is CMN 30937, a tooth (?m2 inf. dext.), and it is not a trace fossil. Its type locality is Ellesmere Island (Lower), which is in a Wasatchian deltaic horizon in the Margaret Formation of Canada.
Synonymy list
| Year | Name and author |
|---|---|
| 2001 | Microparamys bayi Dawson p. 1110 figs. Pl. 1. 13 |
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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.
†Microparamys bayi Dawson 2001
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M. R. Dawson 2001 | A species of Microparamys having on the lower molars a strong anterior cingulum separated buccally in early wear from the protoconid, main cusps peripheral around a deep basin, hypolophid short and low. Differs from other species of Microparamys except M. solidus in larger size; differs from M. solidus in having lower molars with shorter hypolophid, mesoconid present; upper molars with larger, cuspate hypocone, single protoconule and metaconule. |
Measurements
No measurements are available
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| Source: o = order, subc = subclass, c = class, subp = subphylum | |||||
| References: Carroll 1988, Ji et al. 2002, Lillegraven 1979, Nowak 1999, Hendy et al. 2009 | |||||
Age range: Wasatchian or 55.80000 to 50.30000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Wasatchian | Canada (Northwest Territories) | Microparamys bayi (type locality: 15583) |