The subspecies Alanbeuella corrugata lineata Nowell-Usticke, 1959 has become a synonym of Bursa granularis (Röding, 1798), itself a synonym of Dulcerana granularis (Röding, 1798)
(Described as Ranella pustulosa Reeve, 1844) The shell is ovate, somewhat depressed, and ponderous, with a chestnut color. The whorls are encircled by two or three rows of large, livid chestnut-colored pimples. The varices are granulously ridged. The columella is granulously wrinkled, with white wrinkles. The outer lip is very flatly fimbriated, sinuated at the upper part, and is brown, radiated with whitish grooves. [3]
Habitat
Minimum recorded depth is 2 m.[2] Maximum recorded depth is 137 m.[2]
Bernard, P.A. (Ed.) (1984). Coquillages du Gabon [Shells of Gabon]. Pierre A. Bernard: Libreville, Gabon. 140, 75 plates
Rosenberg, G., F. Moretzsohn, and E. F. García. 2009. Gastropoda (Mollusca) of the Gulf of Mexico, Pp. 579–699 in Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College Station, Texas.
Gofas, S.; Afonso, J.P.; Brandào, M. (Ed.). (S.a.). Conchas e Moluscos de Angola = Coquillages et Mollusques d'Angola. [Shells and molluscs of Angola]. Universidade Agostinho / Elf Aquitaine Angola: Angola. 140 pp.
Rolán E., 2005. Malacological Fauna From The Cape Verde Archipelago. Part 1, Polyplacophora and Gastropoda.