type specimen holotype Quaternary Holocene recent unknown FEU-1022621
|  | identified by scientist Quaternary Holocene recent off Argentina Challenger Station 315A FEU-1003415
|  | identified by scientist Quaternary Holocene recent Iberian Peninsula Guadiana Estuary FEU-1010689
|  | identified by scientist Quaternary Holocene recent Mediterranean Sea Adriatic coast, central FEU-1000290
|  | identified by scientist Quaternary Holocene recent Mediterranean Sea Venice Lagoon FEU-1000291
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identified by scientist Quaternary Pleistocene Upper Pleistocene Yellow Sea South Yellow Sea FEU-1005333
|  | identified by scientist Quaternary Pleistocene Upper Pleistocene Yellow Sea South Yellow Sea FEU-1005334
|  | identified by M. Hesemann Quaternary Holocene recent Pacific off Alaska Sitka FEU-1023817
|  | identified by M. Hesemann Quaternary Holocene recent Greater North Sea Helgoland off Nordstrand FEU-1023886
|  | identified by M. Hesemann Quaternary Holocene recent Greater North Sea Helgoland off Nordstrand FEU-1023887
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identified by M. Hesemann Quaternary Holocene recent Greater North Sea Helgoland off Nordstrand FEU-1024157
|  | identified by M. Hesemann Quaternary Holocene recent Pacific off Alaska Sitka FEU-1023135
|  | identified by M. Hesemann Quaternary Holocene recent Pacific off Alaska Sitka FEU-1023917
|  | identified by C. Brizio Neogene Pliocene Mediterranean Zola Predosa FEU-1026722
|  | Quaternary Holocene recent Pacific off Alaska Sitka FEU-1021482
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Quaternary Holocene recent Pacific off Alaska Sitka FEU-1021497
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