Type species: Prostomaria gibbericollis MacGillivray, 1895
Correction: Publication date for d'Hondt & Schopf is 1985, not 1984.
This genus includes the species:
| d'Hondt & Schopf, 1985 | Recent | Atlantic O. | WoRMS 472467 | |
| MacGillivray, 1895 | Miocene | Australia | WoRMS 1407173 |
Harmer notebook - entry for Prostomaria
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| Prostomaria cyclostomata | Prostomaria gibbericollis |