Type species: Marguetta pulchra Jullien, 1903
This genus includes the species:
| Marguetta crassa | Canu & Bassler, 1929 | Eocene | Belgium |
| Marguetta pulchra | Jullien, 1903 | Recent | NE Atlantic |
| Marguetta? geminata | Brown, 1958 | Tertiary | SE Australia |
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| Marguetta pulchra (thanks to Dennis Gordon, NIWA) |
Harmer notebook - entry for Marguetta