Traits attributes list
- Cyrtostrombidium boreale Kim, Suzuki & Taniquchi, 2002: General Non-Constitutive Mixoplankton
- Cyrtostrombidium longisomum Lynn & Gilron, 1993: General Non-Constitutive Mixoplankton
- Cyrtostrombidium paraboreale Song, Xu, Zhang, Liu, Warren & Song, 2019: General Non-Constitutive Mixoplankton
- Cyrtostrombidium wailesi Lynn & Gilron, 1993: General Non-Constitutive Mixoplankton
- Laboea strobila Lohmann, 1908: General Non-Constitutive Mixoplankton
- Omegastrombidium elegans (Florentin, 1901) Agatha, 2004: General Non-Constitutive Mixoplankton
- Paratontonia gracillima (Fauré-Fremiet, 1924) Jankowski, 1978: General Non-Constitutive Mixoplankton
- Paratontonia poopsia (Montagnes & Lynn, 1988) Agatha, 2004: General Non-Constitutive Mixoplankton
- Pseudotontonia cornuta (Leegaard, 1915) Agatha, 2004: General Non-Constitutive Mixoplankton
- Pseudotontonia simplicidens (Lynn & Gilron, 1993) Agatha, 2004: General Non-Constitutive Mixoplankton
- Spirostrombidium pulchrum (Leegaard, 1915) Agatha, 1998: General Non-Constitutive Mixoplankton
- Spirotontonia grandis (Suzuki & Han, 2000) Agatha, 2004: General Non-Constitutive Mixoplankton
- Spirotontonia taiwanica Tsai, Chen & Chiang, 2010: General Non-Constitutive Mixoplankton
- Spirotontonia turbinata (Song & Bradbury, 1998) Agatha, 2004: General Non-Constitutive Mixoplankton
- Strombidium acutum Leegaard, 1915: General Non-Constitutive Mixoplankton
- Strombidium antarcticum (Busch, 1930) Kahl, 1932: General Non-Constitutive Mixoplankton
- Strombidium apolatum Wilbert & Song, 2005: General Non-Constitutive Mixoplankton
- Strombidium basimorphum Martin & Montagnes, 1993: General Non-Constitutive Mixoplankton
- Strombidium biarmatum Agatha, Strüder-Kypke, Beran & Lynn, 2005: General Non-Constitutive Mixoplankton
- Strombidium capitatum (Leegaard, 1915) Kahl, 1932: General Non-Constitutive Mixoplankton
- Strombidium chlorophilum Montagnes, Lynn, Stoecker & Small, 1988: General Non-Constitutive Mixoplankton
- Strombidium conicum (Lohmann, 1908) Wulff, 1919: General Non-Constitutive Mixoplankton
- Strombidium crassulum (Leegaard, 1915) Kahl, 1932: General Non-Constitutive Mixoplankton
- Strombidium dalum Lynn, Montagnes & Small, 1988: General Non-Constitutive Mixoplankton
- Strombidium lingulum Montagnes & Humphrey, 1998: General Non-Constitutive Mixoplankton
- Strombidium lynni Martin & Montagnes, 1993: General Non-Constitutive Mixoplankton
- Strombidium purpureum Kahl, 1932: General Non-Constitutive Mixoplankton
- Strombidium rassoulzadegani McManus, Xu, Costas & Katz, 2010: General Non-Constitutive Mixoplankton
- Strombidium stylifer Levander, 1894: General Non-Constitutive Mixoplankton
- Strombidium sulcatum Claparède & Lachmann, 1859: General Non-Constitutive Mixoplankton
- Strombidium vestitum (Leegaard, 1915) Kahl, 1932: General Non-Constitutive Mixoplankton
- Strombidium wulffi Kahl, 1932: General Non-Constitutive Mixoplankton
- Tontonia antarctica Petz, Song & Wilbert, 1995: General Non-Constitutive Mixoplankton
- Tontonia appendiculariformis Fauré-Fremiet, 1914: General Non-Constitutive Mixoplankton
- Tontonia ovalis (Leegaard, 1915) Laval-Peuto & Rassoulzadegan, 1987: General Non-Constitutive Mixoplankton
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