Bellaspira pentagonalis explained

Bellaspira pentagonalis is a species of sea snail in the family Drilliidae.^[1]

Description

The shell grows to a length of 10 mm.

The stout shell has a white tip. The whorls are whitish and the summits of the five ribs are brownish. The ribs are continuous from base to summit and the cross-section of the shell forms an exact pentagon with roundedangles. The ribs are not continuous, except accidentally. The other characters are closely similar to Fenimorea pagodula.^[2]

Distribution

This marine species occurs from North Carolina (Cape Hatteras) to Florida, and in the Gulf of Mexico off Western Florida and in the Caribbean Sea off Aruba and French Guiana.

External links

• McLean, James H., and Leroy H. Poorman. Reinstatement of the turrid genus Bellaspira Conrad, 1868 (Mollusca: Gastropoda) with a review of the known species. Los Angeles County Museum of Natural History, 1970

Notes and References

1. P. Bouchet . Yu. I. Kantor . A. Sysoev . N. Puillandre . 2011 . A new operational classification of the Conoidea (Gastropoda) . . 77 . 3 . 273–308 . 10.1093/mollus/eyr017 . free .
2. https://archive.org/details/bulletinofmuseum18harv Dall W. H. 1889. Reports on the results of dredging, under the supervision of Alexander Agassiz, in the Gulf of Mexico (1877–78) and in the Caribbean Sea (1879–80), by the U.S. Coast Survey Steamer "Blake", Lieut.-Commander C.D. Sigsbee, U.S.N., and Commander J.R. Bartlett, U.S.N., commanding. XXIX. Report on the Mollusca. Part 2, Gastropoda and Scaphopoda. Bulletin of the Museum of Comparative Zoölogy at Harvard College 18: 1–492, pls. 10–40