Pterapod_Diacria trispinosa_Thecosoma6-9-16-173

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Pterapod_Diacria trispinosa_Thecosoma back 6-9-16-173.jpg

Pterapod_Diacria trispinosa_Thecosoma (Niebuhr, 1775) Phylum Mollusca / Class Gastropoda / Subclass Opisthobranchia / Order Thecosomata / Family Cavoliniidae, Opisthobranchs in the Suborder Euthecosomata, which includes the cavoliniids, all have a calcareous shell.

Pterapod_Diacria trispinosa_Thecosoma (Niebuhr, 1775) Phylum Mollusca / Class Gastropoda / Subclass Opisthobranchia / Order Thecosomata / Family Cavoliniidae, Opisthobranchs in the Suborder Euthecosomata, which includes the cavoliniids, all have a calcareous shell.

Restrictions:

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Keywords:

Pterapod_Diacria trispinosa_Thecosoma, (Niebuhr, 1775) Phylum Mollusca / Class Gastropoda / Subclass Opisthobranchia / Order Thecosomata / Family Cavoliniidae, Opisthobranchs in the Suborder Euthecosomata, which includes the cavoliniids, all have a calcareous shell., Black Water Dive onboard Sirena, 480' SE