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Eomicrobiotherium
Taxonomy
Eomicrobiotherium was named by Marshall (1982). Its type is Coona gaudryi.
It was assigned to Didelphidae by Marshall (1982); and to Microbiotheriidae by Goin et al. (2010) and Goin and Abello (2013).
It was assigned to Didelphidae by Marshall (1982); and to Microbiotheriidae by Goin et al. (2010) and Goin and Abello (2013).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1982 | Eomicrobiotherium Marshall |
| 2010 | Eomicrobiotherium Goin et al. |
| 2013 | Eomicrobiotherium Goin and Abello |
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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.
G. †Eomicrobiotherium Marshall 1982
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†Eomicrobiotherium diluculum Chornogubsky et al. 2023
†Eomicrobiotherium matutinum Goin et al. 2010
†Eomicrobiotherium mykerum Goin and Abello 2013
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| F. J. Goin and M. A. Abello 2013 | Eomicrobiotherium di ers from other Microbiotheria in the following combination of features: post- cristid of m1–m2 obliquely set with respect to the dental axis; alveolar edge even at the p3–m1 boundary; low horizontal ra- mus; metaconid quite posteriorly placed with respect to the pro- toconid in m1–m2; and paraconid of m1–m2 not compressed anteroposteriorly. |
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Hopson 1973, Clemens 1979, Nowak 1991, Carroll 1988, Hendy et al. 2009, Lillegraven 1979 | |||||
Age range: base of the Lutetian to the top of the Colhuehuapian or 47.80000 to 17.50000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Ypresian - Lutetian | Argentina (Chubut) | E. diluculum (231392) | |
| Lutetian | Argentina (Chubut) | E. sp. (176059) | |
| Tinguirirican | Argentina (Chubut) | E. matutinum (176200) | |
| Rupelian | Argentina (Chubut) | E. matutinum (176201) | |
| Colhuehuapian | Argentina (Chubut) | E. mykerum (27311 141368) |