Bathyal Mollusca from the cold-water coral biotope of Santa Maria di Leuca (Apulian margin, southern Italy)
Author
Negri, Mauro Pietro
Author
Corselli, Cesare
text
Zootaxa
2016
4186
1
1
97
journal article
10.11646/zootaxa.4186.1.1
5b97cddd-5284-4a6b-8693-898864fb4711
1175-5326
165288
029B675F-776C-4CD6-9992-FA05AEADFA7B
Akritogyra conspicua
(Monterosato, 1880)
Fig. 13 a–c
Cyclostrema conspicuum
Monterosato, 1880
[a] (p. 66).
Cyclostrema valvatoides
Forbes—Di
Geronimo & Bellagamba 1985
(pl. 2, figs. 1–2).
Akritogyra conspicua
(Monterosato, 1880)
—Warén 1991[a] (p. 163, figs. 14 C–D, 15 D–F);
Giannuzzi-Savelli
et al.
1994
(p. 104, fig. 345);
Repetto
et al.
2005
(p. 90, bottom left fig.).
Diagnostic characters
. Depressed trochiform, thin shell; flattened spire; large rounded aperture; moderately wide umbilicus; smooth outer surface. Protoconch: very low-spired; 1.25 whorls; diameter about 300 µm; smooth surface (poorly preserved); transition to the teleoconch marked by a thin lip.
Occurrence
. Cores BC05 (1 specimen), BC51 (1). Maximum height:
1.5 mm
.
Distribution and habitat
.
Akritogyra conspicua
is an endemic Mediterranean species, found in both the western and the eastern basins between 100 and
2400 m
depth, sometimes in proximity of cold seeps (Warén 1991[a];
Pons-Moyà & Pons 2000
;
Galil 2004
; Ritt
et al.
2011).
Fossil record.
Pleistocene (
Upper Glacial
) of
Sardinia
(
Di Geronimo
& Bellagamba 1985
).