- Necallian****a
acanthura (Caroli, 1946) Callian****a
acutirostella Sakai, 1988
accepted as Spinicallian****a
acutirostella (Sakai, 1988) Callian****a
adamas Kensley...
- †Trepospira †Trepospira
depressa †Trigonirhynchia †Trigonirhynchia
acutirostella †Trimerorhachis †Trimerorhachis
insignis †Triquitrites †Triquitrites...