Anazola
"Shell ovate or subcylindrical; spire conical, sutural groove open to the tip. Aperture oblong, rather wide; pillar lip expanded; inner lip thickened, the whole length twisted and grooved in front. Belt broad, with an anterior groove in the usual place of the narrow belt. Foot (A. subulata) elongate, longer than the shell, acute behind the front half dilated, reflected over and covering the front and sides of the shell, front lobes semicircular, hinder angle acute. Tentacles short, broad. Eyes none? Operculum none.".
Type species by subsequent designation (Cossmann, 1899): Oliva acuminata Lamarck, 1811.
A genus of large species presently distributed along the West African coastline from Senegal in the north, south to Angola. Also present in Cabo Verde (Tropical Atlantic realm. Gulf of Guinea province, West African Transition province). Four valid extant species are recognised and it ranges back at least to the upper Oligocene (France, Aquitaine Basin).
The type species is Oliva acuminata Lamarck, 1811 .
The following extant species are recognised:
Species | |
---|---|
Anazola acuminata (Lamarck, 1811) |
Senegal to Angola RV 2109a. Angola, Luanda province, S of Luanda, Mussulo Bay, at low tide, in sand, depth 1 m, November 1982. Scale bar is 1 cm. |
Anazola annotata (Marrat, 1871) |
Senegal to Angola RV 3168b. Gambia, Kotu, Kotu Point, exposed rocks at low tide, crabbed, February 23, 2016. Scale bar is 1 cm. |
Anazola biraghii (Bernard & Nicolay, 1984) |
Gabon and Guinée Bissau. RV 5580. Gabon, Libreville. Scale bar is 1 cm. |
Anazola boavistensis (Burnay & Da Conceição, 1986) |
Cabo Verde RV 2635a. Cabo Verde, Boavista, Sal Rei, 1986. Scale bar is 1 cm |
At present Anazola occurs in the Tropical Atlantic realm, Gulf of Guinea province (al least 4 species).
Miocene. A range of species is recognised from the Miocene of Western Europe.