Genus Cancellothyris Thomson, 1926 |
[Type species = Terebratula cancellata Koch in Küster, 1843 (p. 35) = Terebratulina hedleyi Finlay, 1927] |
Small to medium sized, ovate to subpentagonal, valves biconvex; anterior commissure uniplicate to sulciplicate; surface finely capillate; umbo short, massive, suberect; foramen large, epithyrid, labiate; deltidial plates conjunct. Pedicle collar developed; cardinal process low, bilobed; loop wide, transverse band broad, slightly arched ventrally. |
Miocene - Present
Diagnosis from volume 5 of the
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Extant Species of Cancellothyris |
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