Zebinella planata is an extinct species of minute sea snail, a marine gastropod mollusk or micromollusk in the family Rissoinidae.[1]

Zebinella planata
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Caenogastropoda
Order: Littorinimorpha
Superfamily: Rissooidea
Family: Rissoinidae
Genus: Zebinella
Species:
Z. planata
Binomial name
Zebinella planata
(Dall, 1892)
Synonyms[1]

Rissoina decussata var. planata Dall, 1892

Description

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The length of the shell attains 8.3 mm, its diameter 3 mm.

(Original description) The species differs slightly from Zebinella decussata (Montagu, 1803), being proportionately wider, with the whorls flatter, the sculpture less sharply defined and tending to become obsolete. The shell is also somewhat larger. [2]

Distribution

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Fossils of this species were found in Tertiary strata in Florida, USA.

References

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