Acirsa murrha

(DuShane, 1970)

Description:

Dimensions range from 19.1 mm - 19.5 mm high and 6.9 mm wide.
Width to height ratio: 0.36:1 ~ 0.35:1

Shell: pyramidal, acuminate; small. About 12 whorls; protoconch with ~2 whorls opaque, with incised spiral lines; teleoconch with 10 whorls convex, gradually enlarging. Suture moderately impressed. Imperforate: lacking. Approximately 19 costae on the body whorl. Costae are low, sinuous. Intercostal spaces with uneven spiral cord separated by narrow, incised lines which cross the costae. Interstices with approximately 15 spiral striae per whorl. Base flat cords separated by incised lines. Base with 10 - 11 spiral striae, Aperture oval; peritreme incomplete. Operculum unknown.

Distribution:

Pacific coast, Panama [DuShane, 1974:51]

Habitat:

54m, sand [DuShane, 1974:51]

Etymology:

[latin] from murrha = porcelain clay, a reference to the china like surface of the shell, a noun in apposition.

Type Material:

Holotype: LACM-AHF 1232. [as Epitonium murrha DuShane, 1970] - Locality: Ten miles southwest of Secas Islands, Panama, 7° 51' 10° N, 82° 12' 05' W, 30 fms, gray sand, R/V Velero III station 944-39, 27 March 1939, one specimen.. [DuShane, H., 1970]
Holotype: LACM- AHF 1232 for Acirsa murrha (DuShane, 1970) - Locality: R/V Velero III station 944-39, ten miles [= 16 km] southwest of Secas Islands, Panama, 07° 51' 10''N, 82° 12' 05''W, 30 fms [= 55 m], gray sand.. [Brown, L. & Neville, B.D., 2015]

DuShane, H. (1970). pp: 4. Fig. 4.

Epitonium (Acirsa) murrha sp. nov.
holotype, LACM 1232. X 3;

Distribution

as listed in source literature

Dushane, H. (1970).

pp: 4. Fig. 4.

Epitonium (Acirsa) murrha sp. nov.
holotype, LACM 1232. X 3;

pp: 4-5.

Dushane, H. (1974).

pp: 34. Fig. 62.

Epitonium (Acirsa) murrha DuShane, 1970. Holotype, LACM-AHF 1232; length 19.1 mm; width 6.9mm X 3

pp: 51.

Synonymy:

Epitonium murrha DuShane, 1970 [in DuShane, H., 1970].

Source Literature:

Brown, L. & Neville, B.D. (2015). Catalog of the recent taxa of the families Epitoniidae and Nystiellidae (Mollusca: Gastropoda) with a bibliography of the descriptive and systematic literature. Zootaxa. 3907(1). Magnolia Press Auckland, New Zealand. http://dx.doi.org/10.11646/zootaxa.3907.1.1 [Accessed 22 October 2023]
DuShane, H. (1970). Five New Epitoniid Gastropods from the West Coast of the Americas. Los Angeles County Museum Contributions in Science. 185. https://www.biodiversitylibrary.org/page/52108947#page/221/mode/1up [Accessed 25 September 2023]
DuShane, H. (1974). The Panamic-Galapagan Epitoniidae. The Veliger. 16 (Sup. 14). https://www.biodiversitylibrary.org/page/42500298 [Accessed 25 September 2023]
Weil, A., Brown, L. & Neville, B. (1999). The Wentletrap Book. Evolver
WoRMS Editorial Board (2025). World Register of Marine Species. https://www.marinespecies.org [Accessed 8 November 2025]

WoRMS direct page link: Open WoRMS record

Acirsa murrha

(DuShane, 1970)

Description:

Distribution:

Pacific coast, Panama [DuShane, 1974:51]

Habitat:

54m, sand [DuShane, 1974:51]

Etymology:

[latin] from murrha = porcelain clay, a reference to the china like surface of the shell, a noun in apposition.

Type Material:

Distribution

Dushane, H. (1970).

pp: 4. Fig. 4.

Epitonium (Acirsa) murrha sp. nov. holotype, LACM 1232. X 3;

pp: 4-5.

Dushane, H. (1974).

pp: 34. Fig. 62.

Epitonium (Acirsa) murrha DuShane, 1970. Holotype, LACM-AHF 1232; length 19.1 mm; width 6.9mm X 3

pp: 51.

Synonymy:

Epitonium murrha DuShane, 1970 [in DuShane, H., 1970].

Source Literature:

WoRMS direct page link: Open WoRMS record

Epitonium (Acirsa) murrha sp. nov.
holotype, LACM 1232. X 3;