Crosseola foveolata (Barnard, 1963)

Herbert, David G., 2015, An annotated catalogue and bibliography of the taxonomy, synonymy and distribution of the Recent Vetigastropoda of South Africa (Mollusca), Zootaxa 4049 (1), pp. 1-98 : 82

Crosseola foveolata (Barnard, 1963) —new combination

( Figure 6 M, N, 9I)

Turbo foveolatus Barnard, 1963a: 216 , fig. 6. Type loc.: 34°5ʹS: 25°42ʹE, 52 fathoms [=off Cape Recife, 95 m]; syntypes in SAMC (A9284).

Turbo foveolata —Kensley, 1973: 50, fig. 136.

Distribution. Agulhas Bank, from off Algoa Bay area to off Cape Infanta; 91–285 m (no data for living specimens).

Notes. It is with some reservation that I refer this species to Crosseola , although I have more confidence that it is a member of the Crosseolidae . The small (height <3.0 mm), robust, whitish shell, absence of nacre, uninterrupted circular peristome and the form of the umbilicus are consistent with this family but the umbilical keel and anterior canal are relatively weakly developed and there is no variciform thickening of the outer lip. The reticulatefoveolate sculpture of the shell is reminiscent of the early whorls of Crosseola concinna (Angas, 1867) , but the species may ultimately prove to belong to an undescribed crosseolid genus. The shell is more robust and the spiral sculpture much weaker than in species of Parviturbo .

Figures

FIGURE 6. A – D, Falsimargarita glaucophaos (Barnard, 1963), syntype, diameter 12.5 mm (SAM A 9830). E – G, Spectamen martensi sp. n., holotype, off Waterfall Bluff, E. Cape, 300 m, diameter 4.5 mm (NMSA C 9714 / T 4032). H – L, Jujubinus hubrechti Poppe, Tagaro & Dekker, 2006, H, I, off Ponta Techobanine, southern Mozambique, 90 – 100 m, length 6.0 mm and 7.2 mm respectively (NMSA L 8392), J – L, off Gipsy Hill, KwaZulu-Natal, 110 m, length 5.3 mm and 6.0 mm respectively (NMSA E 3716). M, N, Crosseola foveolata (Barnard, 1963), M, SSE of Tsitsikamma, E. Cape, 275 – 285 m, length 2.8 mm (NMSA V 3610), N, oblique view of base, SSE of Knysna, W. Cape, 101 m, diameter 2.33 mm (NMSA V 1793). O – Q, Turbo tursicus Reeve, 1848, off Rocktail Bay, KwaZulu-Natal, 65 m, length 14.3 mm (NMSA D 6362). R, S, Stomatia phymotis Helbling, 1779, coral reefs off Kosi Bay, KwaZulu-Natal, 18 – 22 m, length 20.5 mm (NMSA S 1068). [Images not to scale.]