Triphora johnstoni F. Baker, 1926
Triphora johnstoni F. Baker, 1926: 233, pl. 24, fig. 3–4.
Type locality. Mexico, Amortajada Bay, San José Island, Gulf of California .
Type material. MCAS 2145, holotype . MCAS 2146, 2147 and 2148, paratypes .
Distribution. Mexico (Baker 1926; Keen 1971; Abbott 1974).