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Megalictis
Taxonomy
Megalictis was named by Matthew (1907). It is not extant.
It was assigned to Mustelidae by Matthew (1907) and Carroll (1988); to Semantoridae by Sato et al. (2009); and to Oligobuninae by Baskin (1998) and Valenciano et al. (2016).
It was assigned to Mustelidae by Matthew (1907) and Carroll (1988); to Semantoridae by Sato et al. (2009); and to Oligobuninae by Baskin (1998) and Valenciano et al. (2016).
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1907 | Megalictis Matthew |
| 1907 | Aelurocyon Peterson |
| 1988 | Aelurocyon Carroll |
| 1988 | Megalictis Carroll |
| 1998 | Megalictis Baskin p. 156 |
| 2009 | Megalictis Sato et al. p. 917 |
| 2016 | Megalictis Valenciano et al. p. 6 |
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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. †Megalictis Matthew 1907
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†Megalictis ferox Matthew 1907
†Megalictis frazieri Frailey 1978
†Megalictis simplicidens Peterson 1907
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Invalid names: Aelurocyon brevifacies Peterson 1907 [synonym]
Invalid names: Aelurocyon Peterson 1907 [synonym]
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. Valenciano et al. 2016 | Large to giant size mustelid; robust mandible with a high, wide and distally
curved ascending ramus; deep masseteric fossa with a stout crest that extends from the dorsal border of the coronoid process to below the m2; robust dentition; p1 present; p2–4 with distal cingula high-crowned; p4 relatively enlarged with mesial and distal accessory cuspids; m1 tri- gonid widened, with a strong lingual concavity between the paraconid and protoconid; m1 metaconid reduced to absent, present in the older and smaller forms and absent in the giant forms, m1 talonid low and narrow with a short, trenchant and labially located hypoconid; and m2 with reduced metaconid. |
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Lillegraven 1979, Ji et al. 2002, Nowak 1991, Carroll 1988 | |||||
Age range: Harrisonian or 24.80000 to 18.50000 Ma
Collections (13 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Harrisonian | USA (South Dakota) | M. ferox (17745 17750) | |
| Harrisonian | USA (Colorado) | M. sp. (17797) | |
| Harrisonian | USA (Texas) | Paroligobunis sp. (17768) | |
| Harrisonian | USA (Nebraska) | Aelurocyon brevifacies (17809) M. sp. (17789) Paroligobunis simplicidens (22641) | |
| Harrisonian | USA (Florida) | Paroligobunis frazieri (17837) | |
| Harrisonian | USA (Wyoming) | Aelurocyon brevifacies (17824) M. ferox (17793 17794 17839 17840) |