dc:description"FIG. 1. — A-H, Acrobrochus marotiriensis n. sp., Marotiri Island; A, B, dorsal and lateral views of complete specimen,paratype (MNHN BRA-3044), stn DW 1884, 570-620 m; C-E, dorsal, lateral and anterior views of complete specimen, holotype (MNHN BRA-3043), stn DW 1886, 620-1000 m; F, G, paratype (MNHN BRA-3045), stn DW 1884, 570-620 m, SEM enlargement of the loop of brachial skeleton of the dorsal valve (F) and enlargement of brachial skeleton tilted (G) to show gently folded transverse band; H, inner view of ventral valve,paratype (MNHN BRA-3046),stn DW 1886, 620-1000 m; I-K, Dallithyris pacifica Bitner, 2006, dorsal,lateral and anterior views of complete specimen (MNHN BRA-3048), Marotiri Island, stn DW 1885, 700-800 m, note gastropod boring on I. Scale bars: A-E, H, 0.5 cm; F, G, 2 mm; I-K, 1 cm.";
dc:description"FIG. 2. — A, B, Acrobrochus marotiriensis n. sp. (MNHN BRA-3047), SEM micrographs, Marotiri Island, stn DW 1884, 570-620 m, transverse sections of the entire shell showing thin primary layer (top),secondary layer built of anvil-shaped fibres and prismatic tertiary layer;C, D, Dallithyris pacifica Bitner,2006 (MNHN BRA-3049),SEM micrographs,Marotiri Island,stn DW 1885,700-800 m; C, transverse section of the entire shell showing the acicular primary layer (top) underlain by the fibrous secondary layer, passing into the prismatic tertiary layer; D, section of the shell showing anvil-shaped fibres of the secondary layer. Scale bars: A, B, 50 µm; C, D, 20 µm.";