Acteon scrobiculatus

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Acteon scrobiculatus
Acteon scrobiculatus 001.jpg
Shell of † Acteon scrobiculatus (specimen at MNHN, Paris)
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Mollusca
Class: Gastropoda
Subclass: Heterobranchia
Superfamily: Acteonoidea
Family: Acteonidae
Genus: Acteon
Species:
†A. scrobiculatus
Binomial name
†Acteon scrobiculatus
Tenison Woods, 1877
Synonyms

† Actaeon scrobiculatusTenison Woods, 1877

Acteon scrobiculatus is an extinct species of sea snail, a marine gastropod mollusc in the family Acteonidae. [1]

Description

The length of the shell attains 12 mm, its diameter 6 mm.

(Original description) The shell is oblong, ovate and solid. The protoconch is acute and smooth only at the extreme summit. The shell contains seven whorls, cancellate with very distinct spiral lirae, much finer longitudinal striae. The interstices are rounded or punctate. The lirae on the body whorl are broad and subdivided by a fine groove, longitudinal striae subdistant (so that the interstices are transversely oblong) and passing occasionally over the lirae, so as to make them subgranular, especially at the anterior margin. The aperture is subauriform and posteriorly acutely attenuate. The peristome is anteriorly everted and recurved. The plait is conspicuous, solid and obtuse. [2]

Distribution

Fossils of this marine species have been found in Eocene strata in Tasmania, Australia.

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References

  1. ↑ "Acteon scrobiculatus Tenison Woods, 1877". Global Biodiversity Information Facility .
  2. ↑ Tenison Woods, J. E. (1877). Notes on the Tertiary fossils of Table Cape, Tasmania. Papers and Proceedings of the Royal Society of Tasmania, 1876: 91-116, PD-icon.svg This article incorporates text from this source, which is in the public domain .
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