Profil taxonu
Obrázky
Autor: Suter, H.
As Calyptraea alta:
Shell rather large, solid, conical, high. Sculpture consisting of oblique, close, rugose, elevated growth-striae. Colour yellowish-brown, the summit sometimes purplish. Epidermis thin and horny. Spire conical ; outlines convex. Protoconch small, of 1,5 convex, smooth, white, and polished whorls. Whorls 4, rapidly increasing, flatly convex. Suture distinct, not much impressed. Aperture entire, subcircular, polished. Basal plate white, shining, with oblique growth-lines ; margin thin, sharp. Columella short, arcuate, slightly reflexed, and forming a very narrow false, umbilicus.
Diameter, 25 mm. ; height, 16 mm. (type—Miocene fossil). Dia-meter—Maj., 32 mm. ; min., 29 mm. : height, 20 mm. (Recent speci¬men).
Animal unknown.
Type in the Canterbury Museum, Christchurch. Hab.—Cape Maria van Diem en (McGahey) ; Manukau (fide W. II. Webster).
Fossil.—Miocene and Pliocene.
Shell rather large, solid, conical, high. Sculpture consisting of oblique, close, rugose, elevated growth-striae. Colour yellowish-brown, the summit sometimes purplish. Epidermis thin and horny. Spire conical ; outlines convex. Protoconch small, of 1,5 convex, smooth, white, and polished whorls. Whorls 4, rapidly increasing, flatly convex. Suture distinct, not much impressed. Aperture entire, subcircular, polished. Basal plate white, shining, with oblique growth-lines ; margin thin, sharp. Columella short, arcuate, slightly reflexed, and forming a very narrow false, umbilicus.
Diameter, 25 mm. ; height, 16 mm. (type—Miocene fossil). Dia-meter—Maj., 32 mm. ; min., 29 mm. : height, 20 mm. (Recent speci¬men).
Animal unknown.
Type in the Canterbury Museum, Christchurch. Hab.—Cape Maria van Diem en (McGahey) ; Manukau (fide W. II. Webster).
Fossil.—Miocene and Pliocene.
Suter, H. 1913. Manual of the New Zealand Mollusca.
Autor: Jan Delsing
Odkazy a literatura
Galli C.: WMSDB - Wolrdwide Mollusc Species Data Base July 10, 2013 [http://www.bagniliggia.it/WMSD/WMSDhome....] [jako Sigapatella terraenovae (Peile, 1924)]Datum citace: 23. listopad 2013