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Taxon profile

species

Muricopsis honkeri Petuch, 2013

kingdom Animalia - animals »  phylum Mollusca - mollusks »  class Gastropoda - gastropods »  order Neogastropoda »  family Muricidae - Muricids »  genus Muricopsis

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Muricopsis honkeri

Author: Petuch, E.

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Description

Shell of average size for genus, narrow, elongated and fusiform, with high, elevated spire; body whorl and spire with 6 narrow varices per whorl; each varix with 4 large, rounded spines, with posterior 3 being largest and anteriormost spine being smallest; 3-4 small scaly cords present between each pair of spines on body whorl; varices of spire whorls with one large spine per whorl; spire varices staggered, twisting in spiral pattern; siphonal canal short, narrow, with single large spine on each varix; aperture proportionally small, oval, with 5 large teeth along edge of lip; parietal shield adherent, ornamented with 2 small teeth at anterior end; shell color reddish-brown; varices of body whorl and spire whorls and spines white, producing overall zebra-like color pattern; interior of aperture and parietal shield pinkish-white. Holotype: Length 21 mm, width 7 mm, FMNH 328411; Paratype: length 20 mm, in the research collection of the author.
Petuch, E. 2013. Biogeography and Biodiversity of Western Atlantic Mollusks.

Interchangeable taxa

This beautiful new Bahamian muricid is most similar to the widespread Caribbean Muricopsis oxytatus (M. Smith, 1938) but differs in being a much smaller, stockier shell with a proportionally lower spire; in having shorter, broader, and flatter varical spines; in having only one spine on the siphonal canal; and in having the distinctive zebra-like color pattern of a reddish-brown body whorl and white varices. In this last feature, Muricopsis honkeri also resembles Muricopsis chesleri Houart, 2006 from Roatan Island, Honduras, but differs in having spirally twisting spire varices instead of straight ones and in having a reddish-brown base color instead of black (as in chesleri). The new species appears to be endemic to the Abaco Islands.
Petuch, E. 2013. Biogeography and Biodiversity of Western Atlantic Mollusks.

Distribution

Type Locality: Found in coral rubble in 3 m depth off Green Turtle Cay, Abaco Islands, Little Bahama Bank, Bahamas.
Petuch, E. 2013. Biogeography and Biodiversity of Western Atlantic Mollusks.
Author: Jan Delsing

Similar species

Muricopsis oxytata M. Smith, 1938

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