Alycaeus perakensis Crosse, 1879a. A–E Shell of syntype, MNHN-IM-2000-31793 F–J Shell of BOR/MOL 8350 K–M Close up of shell of BOR/MOL 8350 N–Q Operculum of BOR/MOL 8349 R–V Shell of BOR/MOL 8355. Scale bars: A–J, K, L, R–V 1 mm; M, N–Q 0.5 mm. Photographs A–E by Manuel Caballer (reproduced herein under CC-BY 4.0 license, Project RECOLNAT, MNHN). Photographs F–V by Junn Kitt Foon.