''Hesperisternia harasewychi'' is a
species of
sea snail
Sea snail is a common name for slow-moving marine gastropod molluscs, usually with visible external shells, such as whelk or abalone. They share the taxonomic class Gastropoda with slugs, which are distinguished from snails primarily by the ...
, a marine
gastropod
The gastropods (), commonly known as snails and slugs, belong to a large taxonomic class of invertebrates within the phylum Mollusca called Gastropoda ().
This class comprises snails and slugs from saltwater, from freshwater, and from land. T ...
mollusk in the
family Pisaniidae
The Pisaniidae are a taxonomic family of medium-sized sea snails, marine gastropod mollusks in the superfamily Buccinoidea.Rosenberg, G. (2018). Pisaniidae Gray, 1857. Accessed through: World Register of Marine Species at http://www.marinespeci ...
.
Description
Original description: "Shell thin, inflated with elevated spire; 8 strong varices per whorl; body whorl ornamented with 4 large spiral cords; numerous fine threads between large cords; 4 large knobs per varix, produced by intersections of varix with spiral cord; siphonal canal short, stumpy, ornamented with numerous spiral threads; interior of aperture with large, well-developed plications on inner side of lip; suture incised, indented, producing scalariform effect; shell color bright yellow-orange, orange red, or salmon-pink; paratype (ANSP) with anterior half of body whorl bright pinkish-orange, posterior half bright yellow, producing two-toned color pattern; aperture and columella white."
Distribution
Locus typicus: "(Dredged from) 150 metres depth
50 kilometres South of Apalachicola, Florida, USA."
[Petuch, E.J. 1987-''New Caribbean Molluscan Faunas'', page 16. Publ: CERF]
References
External links
Rosenberg, G.; Moretzsohn, F.; García, E. F. (2009). Gastropoda (Mollusca) of the Gulf of Mexico, pp. 579–699 in: Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Texas A&M Press, College Station, Texas
{{DEFAULTSORT:Hesperisternia Harasewychi
Pisaniidae
Gastropods described in 1987