FIG. 3 in The unknown bathyal of the Canaries: new species and new records of deep-sea Mollusca

FIG. 3. — Anatoma richardi (Dautzenberg & H. Fischer, 1896): A, B, shell from DW130 (3.7 mm diameter); C, scanning electron micrograph of another shell from the same locality (2.8 mm); D, protoconch and first teleoconch whorl of the same shell; E, protoconch and first teleoconch whorl of the lectotype of Scissurella tenuis Jeffreys, 1877 (USNM 181649,1). Scale bars: 100 µm. Small arrows: protoconch/teleoconch limit; large arrowheads: to the beginning of the selenizone (end of teleoconch I). (E, reproduced with the permission of the National Museum of Natural History, Smithsonian Institution, https://www.nmnh.si.edu/).