Comprehensive DescriptionRead full entry
Description of Steenstrupiella steenstrupiiLength 84-197 microns, diameter at mouth 34-37 microns, diameter at neck 20-24 microns, greatest diameter 13-19 microns. This species is very variable, both in length and in thickness of wall. There is a marked oral flare and sub-oral thickening. The wall of the lorica is usually thick for about two-thirds of the length, but thins out at the aboral end. No striae were visible on about half the specimens, but they were quite clear on the rest.