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Siamogale
Taxonomy
Siamogale was named by Ginsburg et al. (1983).
It was assigned to Lutrini by Willemsen (1992); and to Lutrinae by Wang et al. (2018).
It was assigned to Lutrini by Willemsen (1992); and to Lutrinae by Wang et al. (2018).
Synonymy list
| Year | Name and author |
|---|---|
| 1983 | Siamogale Ginsburg et al. |
| 1992 | Siamogale Willemsen p. 114 |
| 2018 | Siamogale Wang 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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| X. Wang et al. 2018 | Siamogale has typical lutrine cranial and dental morphologies: a large infraorbital canal, presence of antorbital fossa, uninflated bulla, robust and protruding mastoid process, mastoid process separated by a broad shelf from the paroccipital process, postglenoid foramen positioned anteriorly to the auditory meatus, inion positioned anteriorly relative to the lambdoid crest, stylomastoid foramen separated by a bony ridge from the tympanohyal-bulla connection, masseter muscle attachment area ventrally expanded to beyond the ventral rim of the masseteric fossa, parallel zygomatic arches, shortened angular process, premolars with surrounding cingulum, shortening of P4 metastylar blade, presence of a notch between talonid and trigonid of m1, and widening of m1 talonid. Siamogale differs from Paralutra jaegeri by the presence of a distal ridge of m1 metaconid connected to the entoconid crest, M1 cuspule distal to metacone, and absence of P4 metastylar notch. Siamogale differs from Paludolutra, Tyrrhenolutra and Enhydritherium in having a crestiform protocone, lack of hypocone and presence of parastyle on P4, a distolingually expanded M1 talon, and metaconule placed distally to the metacone. |
Measurements
No measurements are available
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| Source: f = family, subc = subclass, c = class, subp = subphylum | |||||
| References: Lillegraven 1979, Hendy et al. 2009, Ji et al. 2002, Nowak 1991, Carroll 1988 | |||||