Priotrochus obscurus obscurus ( Wood, 1828 )

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 : 59-60

Priotrochus obscurus obscurus ( Wood, 1828)

Trochus obscurus Wood, 1828: 17 , pl. 5, fig. 6. Krauss, 1848: 98. Type loc.: not originally given, designated Durban Bay by Herbert (1994a: 140); lectotype and three paralectotypes in NHM (NHMUK 1992178/1 and 1992178/2–4, Salvador pers. comm. vii/2015), designated by Herbert (1994a: 140, figs 1–4).

Monilea (Priotrochus) obscura — Dautzenberg, 1929: 540. Moura, 1970: 65, pl. 2, fig. 4. Moura, 1976: 46, 51, pl. 2, figs 2a, b.

Priotrochus obscurus — Barnard, 1963a: 250, figs 13 left, 14d. Kensley, 1973: 42, fig. 95. Herbert, 1988b: 262, pls. 1, 2 (chresonymy). Herbert, 1994a: 139, figs 1–4 (synonymy). Herbert, 1994b: pl. 2b, fig. 2. Bosch et al., 1995: 36, fig. 48. Steyn & Lussi, 1998: 24, fig. 72. Zuschin et al., 2009: 104, pl. 13, fig. 4. Jay, 2014.

Monodonta (Oxystele) tabularis (non Krauss, 1848)— Moura, 1968: 26, pl. 4, fig. 3.

Turbo argyrostomum (non Linnaeus, 1758)— Moura, 1969: 17, pl. 7, fig. 2.

Monilea obscurus — Richards, 1981: 36, pl. 9, fig. 68. Springsteen, 1981: 8, fig. 17. Monilea obscura — Kilburn & Rippey, 1982: 41, pl. 8, fig. 19.

Distribution. Western Indian Ocean, from the Persian Gulf and Red Sea, through East Africa and Madagascar, south to Inhaca Island and formerly to Durban Bay (now evidently extinct there); intertidal.

Notes. Priotrochus obscurus ponsonbyi (G.B. Sowerby (III), 1888) is an extinct Pleistocene fossil subspecies occurring in raised beach deposits between Algoa Bay and Mossel Bay ( Herbert 1988b).