Type species: Aimulosia australis Jullien, 1888
This genus includes the species:
| Aimulosia aculeata | Canu & Bassler, 1923 | Tertiary Pleistocene |
USA Japan |
| Aimulosia antarctica | (Powell, 1967) | Recent | Antarctica |
| Aimulosia australis | Jullien, 1888 | Recent | S. Atlantic |
| Aimulosia brevis | Canu & Bassler, 1923 | Tertiary | USA |
| Aimulosia capitata | Canu, 1927 | Eocene | Belgium |
| Aimulosia floridana | Osburn, 1947 | Recent | Caribbean |
| Aimulosia glabra | Kuehn, 1925 | Miocene | Austria |
| Aimulosia lamellosa | Hara, 2001 | Eocene | Antarctica (Seymour Is.) |
| Aimulosia marsupium | (MacGillivray, 1869) | Recent | Australia, New Zealand |
| Aimulosia palliolata | (Canu & Bassler, 1928) | Recent | E Pacific |
| Aimulosia pusilla | (Smitt, 1873) | Recent | W Atlantic |
| Aimulosia radiata | Canu & Bassler, 1923 | Tertiary | USA |
| Aimulosia salomacensis | Vigneaux, 1949 | Miocene | France |
| Aimulosia uvulifera | (Osburn, 1914) | Recent | W Atlantic |
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| Aimulosia australis (Thanks to Dennis Gordon) |
Aimulosia marsupium |
Harmer notebook - entry for Aimulosia