. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 372 ANNALS OF THE SOUTH AFRICAN MUSEUM Remarks. Compare Anadara waylandi Cox 1927 (p. 34, pi. 8, figs. 5-7), from the Lower Miocene, Pemba Island. Area (Acar) plicata (Chemn.) Dillwyn Fig. 2 a Area plicata Dillwyn, 1817, p. 228; Dautzenberg, 1929, p. 577; Prashad, 1932, p. 50 (references & synonymy); Nardini, 1937, p. 243, pi. 16(10), figs. 1, 2; Adam & Leloup, 1939, p. 44, pi. 3, fig. 4; Nickles, 1955, p. 115. Area domingensis Lamarck, 1818, p. 40; Lischke, 1869, p. 142; Melvill & Stande


. Annals of the South African Museum = Annale van die Suid-Afrikaanse Museum. Natural history. 372 ANNALS OF THE SOUTH AFRICAN MUSEUM Remarks. Compare Anadara waylandi Cox 1927 (p. 34, pi. 8, figs. 5-7), from the Lower Miocene, Pemba Island. Area (Acar) plicata (Chemn.) Dillwyn Fig. 2 a Area plicata Dillwyn, 1817, p. 228; Dautzenberg, 1929, p. 577; Prashad, 1932, p. 50 (references & synonymy); Nardini, 1937, p. 243, pi. 16(10), figs. 1, 2; Adam & Leloup, 1939, p. 44, pi. 3, fig. 4; Nickles, 1955, p. 115. Area domingensis Lamarck, 1818, p. 40; Lischke, 1869, p. 142; Melvill & Standen, 1899, p. 186; Smith, 1903, p. 395; Turton, 1932, p. 216. Area gradata Broderip & Sowerby, 1829, P- 3^55 Turton, 1932, p. 216. Area squamosa Krauss, 1848, p. 16. Area aghulhasensis Thiele, 1931, p. 177, pi. 6(1), figs. 12, 12a. £=^. Fig. 2. Prodissoconch of: a. Area plicata (Chemn.), b. avelana Lam. c. obliquata Gray. d. internal view of right valve of Area (Bathyarca) orientalis Thiele (off Cape St. Blaize). e. anterior teeth of specimen from Browne's , posterior teeth of specimen from Algoa Bay. Prodissoconch 0-4 mm., with central conical tubercle, rim raised above succeeding shell (cf. Thiele^. Ligament posterior to umbones, with very oblique close-set lines. Length 45, alt. 32 mm. Fossil: Post Pliocene. Inhambane (Cox, 1939). Natal (Krauss); Delagoa Bay (S. Afr. Mus. coll. ; also Braga); Umkomaas (Natal) (S. Afr. Mus. coll. Burnup); Port Alfred (Turton); Still Bay (S. Afr. Mus., coll. Muir), Port Edward (). 340 51' S., 190 37' E., 80 metres; 350 16' S., 220 26' E., 155 metres (Thiele). Off Durnford Point (Zululand), 13 fathoms, one valve; off Tugela River (Natal), 24 fathoms, 2 valves; and 47 fathoms, one juv. living, one valve; off Cape Natal (Durban), 54 fathoms, 2 valves; off Illovo River (Natal), 27-30 fathoms, 5 valves; off Cape Morgan, 77 fathoms, one juv. living, several valves; of Nieca River (East London), 43 fathoms, 4 valves; 330 3' S., 2


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