. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. South African Tellina • Boss 121. Map 4. The distribution of species of Eurytellina. The species include: in South Africa, o/fredens/s and prismatica; in West Africa, madagascariensh; in Australia, albmella and roseola; In the northeastern Atlantic Ocean and Mediterranean Sea, incarnafo; in the western Atlantic, pun/ceo and allies [alternata, tayloriana, angulosa, nitens, trinitatis, guildingii, vespuci- ona, and lineata); and, in the eastern Pacific, slmulam and allies (/ocer;dens, hertteini, laplata, eburnea, rubesc
. Bulletin of the Museum of Comparative Zoology at Harvard College. Zoology. South African Tellina • Boss 121. Map 4. The distribution of species of Eurytellina. The species include: in South Africa, o/fredens/s and prismatica; in West Africa, madagascariensh; in Australia, albmella and roseola; In the northeastern Atlantic Ocean and Mediterranean Sea, incarnafo; in the western Atlantic, pun/ceo and allies [alternata, tayloriana, angulosa, nitens, trinitatis, guildingii, vespuci- ona, and lineata); and, in the eastern Pacific, slmulam and allies (/ocer;dens, hertteini, laplata, eburnea, rubescens, ecuodoriona, inaequistriata, mantaensis, and prora). The group is obviously most highly differentiated in the New World, where it is predominantly tropical. In the Indo-Pccific and European areas it tends to occupy cooler waters. restricted to Port Alfred, South Africa; types, ? Zoo- logical Museum, Copenhagen; refers to Chemnitz 1782, , vol. 6: 105, fig. 96), mm Gmtlin 1791 nee Crouch 1827. Tellina alhinclla alficdensis Bartsch 1915, Bull. U. S. Nat. Mus., 91: 205, pi. 46, figs. 7, 8 (type- locality, Port Alfred, South Africa; holotype, USXM 186948). Tellina madagascariensis 'Gmelin' Barnard 1964, Ann. South African Mus., 47: 537, fig. 41a, non Gmelin 1791. Description. Shell extending to 85 mm in length and to 53 mm in height, elongatc- sublanceolate, nearly equilateral, solid, more or less compressed, with left valve of greater convexity than right, and with definite flexure to right posteriorly. Umbo central (little anterior in younger speci- mens), little elevated or inflated, white and blunt; umbonal cavity shallow and rather filled in, particularly in right valve. Anterior margin convex, narrowly and smoothly rounded; ventral margin long, gently convex, rising in arcuation pos- teriorly, some specimens with postbasal concave indentation; anterior dorsal margin long, gently sloping, and weakly convex to straight; posterior dorsal margin long, slightly mo
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