Spirolaxis
Spirolaxis is a genus of sea snails, marine gastropod mollusks in the family Architectonicidae, the staircase shells or sundials.
Description
The shell is discoidal; its whorls are quadrangular, detached, and solute.Species
Spirolaxis argonauta Bieler, 1993Spirolaxis centrifuga Spirolaxis clenchi Jaume & Borro, 1946- † Spirolaxis cohaerentia Laws, 1944 Spirolaxis cornuammonis Spirolaxis cornuarietis Bieler, 1993Spirolaxis exornatus Bieler, 1993Spirolaxis lamellifer Spirolaxis rotulacatharinea