Pinnixa White, 1846b: 177. -- Dana, 1852c: 379. -- Sakai, 1939: 598. -- Sakai, 1965b: 181. -- Schmitt et al., 1973: 101. -- Sakai, 1976a: 583. -- Campos & Wicksten, 1997: 72(in key).
Pinnixia| Smith, 1869b: 246.
Tubicola| Lockington, 1877c: 55.
Palaeopinnixa| Via Boada, 1966: 2.