† Phenatoma (Cryptomella) crassispiralis Marwick, 1929(original combination) Tomopleura crassispiralis is an extinct species of sea snail, a marine gastropod mollusk in the family Borsoniidae.

[1] This extinct marine species from the Upper Cenozoic was found in New Zealand; age range: 28.4 to 23.03 Ma

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