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| Kingdom Animalia |
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Abyssocucumis Heding, 1942 – valid
|
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Bathyplotes heterostylides Heding, 1942 – invalid
|
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Cucumaria paraglacialis Heding, 1942 – valid
|
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Diplasiothuria Heding, 1942 – invalid
|
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Ekmocucumis Heding, 1942 – invalid
|
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Mesothuria (Diplasiothuria) Heding, 1942 – invalid
|
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Mesothuria (Penichrothuria) Heding, 1942 – invalid
|
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Mesothuria triradiata Heding, 1942 – invalid
|
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Penichrothuria Heding, 1942 – invalid
|
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Phyllophorus ambiguus Heding, 1942 – invalid
|
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Plicastichopus ingolfi Heding, 1942 – invalid
|
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Pseudocucumis echinata Heding, 1942 – invalid
|
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Psolus hypsinotus Heding, 1942 – valid
|
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Psolus pourtalesi dyscritus Heding, 1942 – valid
|
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Ypsilothuria bitentaculata virginiensis Heding, 1942 – valid
|
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Ypsilothuria talismani elegans Heding, 1942 – valid
|
| |
Ypsilothuriidae Heding, 1942 – valid |
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