Temperocastor, Korth, 2008
publication ID |
https://doi.org/ 10.4202/app.2008.0201 |
persistent identifier |
https://treatment.plazi.org/id/03DA87E5-FFC5-FF9F-FCE4-7216FB3AF8A9 |
treatment provided by |
Felipe |
scientific name |
Temperocastor |
status |
|
Genus Temperocastor nov.
Type species: Eucastor valentinensis Stout, 1999 , by monotypy; see below.
Derivation of the name: From Latin, tempero, blend or mix in due proportion; and castor, beaver.
Diagnosis.—Small castoroidine (smaller than Eucastor tortus ); cheek teeth mesodont and rooted, similar in crown−height to species of Eucastor and Monosaulax . Primitive dental characters as in Monosaulax : lingual striids on premolars minute to absent on unworn specimens; parafossettid generally curved and accessory fossettids commonly present on p4; molars maintain primitive castoroid occlusal pattern, mesofossette (−id) forms before elimination of the parafossette (−id) and metafossette (−id). Derived characters shared with Eucastor : procumbent upper incisors (procumbency>100 °); M3 markedly smaller than anterior molars; high, arched upper diastema; ridge on posterior wall of orbit; more anterior position of ascending ramus on mandible (m2 blocked from lateral view). Stratigraphic and geographic range.—Early–late to late
Barstovian (Miocene) of Nebraska.
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