Profil taxonu
Obrázky
Autor: Mikkelsen & Bieler
Autor: Caetano, C.H.S. et al.
Autor: Massemin, D. et al
Popis
Crassinella lunulata (Conrad, 1834) - Lunate Crassinella
Trigonal, umbonal angle slightly hooked (observed from interior) and at ca. 90° angle, anterior margin more convex and slightly longer, compressed, solid, white to yellow-brown to dark brown, occasionally radially rayed, with ca. 15-17 coarse commarginal ridges varying from rounded to thin and erect, plus microstructure resembling snakeskin; interior white with brown staining or reflecting exterior colors, margin smooth. Massachusetts to Florida, Bermuda, Bahamas, West Indies, Gulf of Mexico, Caribbean Central America, South America (to Uruguay). Length 5 mm (to 9 mm). Compare Crassinella martinicensis, which has an unhooked umbonal angle.
Trigonal, umbonal angle slightly hooked (observed from interior) and at ca. 90° angle, anterior margin more convex and slightly longer, compressed, solid, white to yellow-brown to dark brown, occasionally radially rayed, with ca. 15-17 coarse commarginal ridges varying from rounded to thin and erect, plus microstructure resembling snakeskin; interior white with brown staining or reflecting exterior colors, margin smooth. Massachusetts to Florida, Bermuda, Bahamas, West Indies, Gulf of Mexico, Caribbean Central America, South America (to Uruguay). Length 5 mm (to 9 mm). Compare Crassinella martinicensis, which has an unhooked umbonal angle.
Mikkelsen, P.M. & Bieler, R., 2003. Seashells of Southern Florida. Living Marine Mollusks of the Florida Keys and Adjacent Regions: Bivalves.
Autor: Jan Delsing
Odkazy a literatura
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Crassinella lunulata Conrad, 1834]Datum citace: 23. listopad 2013