Aulacodiscus kilkellyanus var. minor Rattray 1888: 344

Williams, David M., 2021, Notes on the diatom collection of the Natural History Museum, London (BM) II- IV. Some type specimens in the genus Aulacodiscus Ehrenberg and nomenclatural notes on Thumia Cleve ex F. B. Taylor, Phytotaxa 480 (2), pp. 152-162 : 154

Aulacodiscus kilkellyanus var. minor Rattray 1888: 344

TYPE:—Bridgewater, Barbados, Greville ( BM 2745, Aulacodiscus [‘ exiguus ’], holotype = Figures 1–3 ); Barbados, Greville ( BM 2818, Aulacodiscus [‘ exiguus ’], epitype designated here (following Wise 1951: 287) = Figures 10–13); Bridgewater, Barbados, Greville ( BM 2746, Aulacodiscus kilkellyanus [ var. minor ]).

Figures

FIGURES 1–3. Aulacodiscus kilkellyanus var. minor, BM 2745, Bridgewater, Barbados, Greville = Aulacodiscus [‘exiguus’], holotype. FIGURES 4, 5. Slide BM 3479, Barbados, Greville, Aulacodiscus sparsa, holotype (see Figures 18–20).