Crassimarginatella calva is recorded from the Kermadec Islands, and from the Pliocene of New Zealand.
Original description: Electra pilosa calva Brown, 1952
Locality: Pliocene, Wanganui New Zealand
Holoype: BMNH D36533.
Description from Gordon, 1984, as Crassimarginatella electra. (PDF file)