Profil taxonu
Obrázky
Autor: Tunnell et al.
Autor: Daccarett, E.Y. & Bossio, V.S.
Autor: Dall, W.H.
Popis
Semisulcate Moonsnail
Distribution: South Carolina, Texas; West Indies. Size: 8 to 17 mm
Description: Color whitish, nuclear whorls dark tannish-white, postnuclear whorls grayish-white; shape globose; sculpture smooth; suture slightly channeled; nuclear whorls smooth; postnuclear whorl and body whorl with incised spiral lines crossed by fine axial growth lines; umbilical callus weak.
Habitat: On sand- or shell-type bottoms at depths from 0 to 60 m (197 ft). In Texas found at Stetson Bank and FGB.
Remarks: Similar to Polinices lacteus but much smaller and broader; color of shell more uniform in P. lacteus. See Jong and Coomans (1988); Redfern (2001). Synonym: Natica fordiana Simpson, 1887.
Distribution: South Carolina, Texas; West Indies. Size: 8 to 17 mm
Description: Color whitish, nuclear whorls dark tannish-white, postnuclear whorls grayish-white; shape globose; sculpture smooth; suture slightly channeled; nuclear whorls smooth; postnuclear whorl and body whorl with incised spiral lines crossed by fine axial growth lines; umbilical callus weak.
Habitat: On sand- or shell-type bottoms at depths from 0 to 60 m (197 ft). In Texas found at Stetson Bank and FGB.
Remarks: Similar to Polinices lacteus but much smaller and broader; color of shell more uniform in P. lacteus. See Jong and Coomans (1988); Redfern (2001). Synonym: Natica fordiana Simpson, 1887.
Tunnell, J.W. , Andrews, J. , Barrera, N.C. & Moretzsohn, F., 2010. Encyclopedia of Texas seashells.
Autor: Jan Delsing
Odkazy a literatura
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Sigatica semisulcata (Gray, 1839)]Datum citace: 22. listopad 2013