Zebinella ame explained

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

Description

The length of the shell attains 5.7 mm, its diameter 2.4 mm.

(Original description) The small shell is moderately slender. The protoconch is stout, consisting of about 2¾whorls. The parietal callus and the outer lip form a distinct but not constricted posterior channel. The channel across the basal lip does not undercut the columella. The sculpture consists of fine axial ribs, between which lievery fine spiral threads. The axial ribs are progressively more closely spaced. The base of the body whorl is sculptured only with spiral threads. [2]

Distribution

Fossils of this marine species were found in Miocene strata in Jamaica.

Notes and References

  1. MolluscaBase eds. (2023). MolluscaBase. Zebinella ame (Woodring, 1928) †. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=767394 on 2023-10-29
  2. Woodring . W.P. . Miocene mollusks from Bowden, Jamaica. 2. Gastropods and discussion of results. . Carnegie Institution of Washington Publication . 1928 . 385 . VII . 158 . 2024-06-26.