Pusia exigua

Pusia exigua
	Shell of Pusia exigua (specimen at MNHN, Paris)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Superfamily:	Turbinelloidea
Family:	Costellariidae
Genus:	Pusia
Species:	P. exigua
Binomial name
	Pusia exigua; (C. B. Adams, 1845)
Synonyms
	Atlantilux exigua (C. B. Adams, 1845) superseded combination; Mitra antiguaensis Nowell-Usticke, 1971; Mitra exigua C. B. Adams, 1845; Mitra hanleyi Dohrn, 1862 (not G.B. Sowerby II, 1874); Mitra minutus Nowell-Usticke, 1969 junior subjective synonym; Mitra roseocaudata G. B. Sowerby II, 1874; Vexillum (Pusia) exiguum (C. B. Adams, 1845); Vexillum exiguum (C. B. Adams, 1845); Vexillum hanleyi (Dohrn, 1862);

Pusia exigua is a species of sea snail, a marine gastropod mollusk, in the family Costellariidae, the ribbed miters.

It was classified by C. B. Adams in 1845.

Description

(Original description in Latin) The shell is very small, possessing an oval-elongated shape and a whitish color. It consists of six whorls, which are structured with numerous small ribs on the upper portion and broad ribs on the lower portion.

The upper parts of the whorls are a dark, blackish-purple, while the lower parts are spotted with brown. The body whorl is sculpted on its lower half in the same manner as the upper half. The siphonal canal is notably short.

Dimensions: Total Length: 0.13 in (approx. 3.3 mm); spire Length: 0.075 in (approx. 1.9 mm).

Distribution

This species occurs in the Caribbean Sea off Jamaica and Guadeloupe.

References

1 2 Pusia exigua (C. B. Adams, 1845). 22 March 2026. Retrieved through: World Register of Marine Species.
↑ "WoRMS taxon details Atlantilux exigua". marinespecies.org. World Register of Marine Species. Retrieved 30 November 2023.
↑ Adams, C.B. (1845). "Specierum novarum conchyliorum, in Jamaica repertorum, synopsis". Proceedings of the Boston Society of Natural History. 2: 2. Retrieved 22 March 2026. This article incorporates text from this source, which is in the public domain.

Nowell-Usticke, G. W. 1969. A supplementary listing of new shells (illustrated). To be added to the Check List of the marine shells of St. Croix. Burlington, Vermont: Lane Press. 32 pp., 6 pls.

External links

Sowerby, G. B. II. (1874). Monograph of the genus Mitra. In G. B. Sowerby II (ed.), Thesaurus conchyliorum, or monographs of genera of shells. Vol. 4 (31-32): 1–46, pls 352–379. London, privately published.
Fedosov, A.; Bouchet, P.; Dekkers, A.; Gori, S.; Huang, S.-I.; Kantor, Y.; Lemarcis, T.; Marrow, M.; Ratti, C.; Rosenberg, G.; Salisbury, R.; Zvonareva, S.; Puillandre, N. (2025). "The phylogeny and systematics of the Costellariidae (Caenogastropoda: Turbinelloidea) revisited". Invertebrate Systematics. 39 (7): 26. doi:10.1071/is24101. PMID 40608992.

[WoRMS-1] 1 2 Pusia exigua (C. B. Adams, 1845). 22 March 2026. Retrieved through: World Register of Marine Species.

[2] "WoRMS taxon details Atlantilux exigua". marinespecies.org. World Register of Marine Species. Retrieved 30 November 2023.

[3] Adams, C.B. (1845). "Specierum novarum conchyliorum, in Jamaica repertorum, synopsis". Proceedings of the Boston Society of Natural History. 2: 2. Retrieved 22 March 2026. This article incorporates text from this source, which is in the public domain.

Pusia exigua

Shell of Pusia exigua (specimen at MNHN, Paris)
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Gastropoda
Subclass:	Caenogastropoda
Order:	Neogastropoda
Superfamily:	Turbinelloidea
Family:	Costellariidae
Genus:	Pusia
Species:	P. exigua
Binomial name
*Pusia exigua* (C. B. Adams, 1845)
Synonyms
Atlantilux exigua (C. B. Adams, 1845) superseded combination Mitra antiguaensis Nowell-Usticke, 1971 Mitra exigua C. B. Adams, 1845 Mitra hanleyi Dohrn, 1862 (not G.B. Sowerby II, 1874) Mitra minutus Nowell-Usticke, 1969 junior subjective synonym Mitra roseocaudata G. B. Sowerby II, 1874 Vexillum (Pusia) exiguum (C. B. Adams, 1845) Vexillum exiguum (C. B. Adams, 1845) Vexillum hanleyi (Dohrn, 1862)