Anolacia aperta

Anolacia aperta
	Shell of Anolacia aperta (syntype at MNHN, Paris)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Family:	Ancillariidae
Genus:	Anolacia
Species:	A. aperta
Binomial name
	Anolacia aperta; (G.B. Sowerby I, 1825)
Synonyms
	Ancilla aperta (G. B. Sowerby I, 1825); Ancillaria aperta G. B. Sowerby I, 1825 (original combination);

Anolacia aperta is a species of sea snail, a marine gastropod mollusk in the family Ancillariidae.^[2]

Taxonomy

Status uncertain. ^[2]

Description

(Original description in Latin) The shell is oblong, cylindrically ventricose (swollen) and orange.

The spire is very short and blunt. The sutures are round and impressed. The body whorl has a single basal girdle and a groove above the varix, which is white and obliquely striated. The aperture is very large and pale, blunt at the top. The outer lip is toothless and smooth at the base. ^[3]

Distribution

Fossils of this marine species were found in Paleogene strata in Loire-Atlantique, France.

References

^ Sowerby G. B. [first of the name (1825). A catalogue of the shells contained in the collection of the late Earl of Tankerville. London, privately published : VII + 92 + XXXIV pp.]. World Register of Marine Species, Retrieved 28 April 2010.
^ ^a ^b ^c Anolacia aperta (G.B. Sowerby I, 1825). Retrieved through: World Register of Marine Species on 28 April 2010.
^ Sowerby, G.B. I (1825). A catalogue of the shells contained in the collection of the late Earl of Tankerville: arranged according to the Lamarckian conchological system: together with an appendix, containing descriptions of many new species. London: privately published. p. xxxii. Retrieved 16 August 2025. This article incorporates text from this source, which is in the public domain.

[1] Sowerby G. B. [first of the name (1825). A catalogue of the shells contained in the collection of the late Earl of Tankerville. London, privately published : VII + 92 + XXXIV pp.]. World Register of Marine Species, Retrieved 28 April 2010.

[WoRMS-2] Anolacia aperta (G.B. Sowerby I, 1825). Retrieved through: World Register of Marine Species on 28 April 2010.

[3] Sowerby, G.B. I (1825). A catalogue of the shells contained in the collection of the late Earl of Tankerville: arranged according to the Lamarckian conchological system: together with an appendix, containing descriptions of many new species. London: privately published. p. xxxii. Retrieved 16 August 2025. This article incorporates text from this source, which is in the public domain.

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