Cirsotrema skoglundae

Description:

Dimensions range from 5 mm - 16.2 mm high and 3 mm wide.
Width to height ratio: 0.6:1 ~ 0.19:1

Shell: ovate-conical, rissoiform; minute to small. About 6.5 whorls, rounded; protoconch with ~1.5 whorls opaque, showing minute riblets under maginfication; teleoconch with ~5 whorls. Suture distinct. Approximately 25 - 32 costae on the body whorl. Costae are sharp, thin edged, but heavier where they join the whoi, curved to follow the contour of the whorl, with a small pit at the suture before joining the next costa above. Costae very slightly reflected; continuous from whorl to whorl, with a small pit at the suture before joining the costa above. Intercostal spaces smooth, without spiral threads. Fasciole strong, wrinkled anteriorly. Aperture round, lip heavy. Operculum unknown.

Distribution:

west Mexico to Panama

Habitat:

10-75 m [Dushane, 1974]

Etymology:

The name honors Carol Skoglund of Phoenix, Arizona, an avid collector, who brought the specimen back from a collecting trip to Panama in March 1972

Type Material:

Holotype: LACM, Invertebrate Zoology Type Collection, no. 1612 paratypes (5): LACM, Invertebrate Zoology Type Collection, no. 1613, paratypes (2) : Carol Skoglund Collection paratypes (2) DuShane Collection for Cirsotrema skoglundae Garcia, 2010 - Type Locality: Epitbonium (Nitidiscala) skoglundae: Fort Amador, Panama Canal Zone, Lat. 8°56' N; Long. 79°33' W, 10 specimens, none alive, taken at mid-tide level among gravel, March, 1972. [DuShane, H., 1974]
Holotype: SBMNH 149430 [as Cirsotrema skoglundae García, 2010:] - Type Locality: Punta La Gringa, Bahía de los Angeles, Baja California Norte, 29o 01' 56''N, 113o 31' 11''W, 20-40 m.. [Brown, L. & Neville, B.D., 2015]