Genus Pseudocolochirus Pearson

Koehleria Cherbonnier, 1988: 178 (syn. nov.).

Diagnosis (after Pearson 1910: 172, amended herein) [Type­species: Colochirus violaceus Théel, 1886, by monotypy]

Small to medium­sized species; tentacles ten, of more or less equal size; larger podia restricted to ambulacra of trivium; smaller podia papilliform, scattered in the interambulacra of especially the bivium; anus dorsal, surrounded by anal teeth, very conspicuous in the type species. Ossicles of body wall scarce or numerous, comprising large or small perforated plates / rods of variable thickness, with holes often occluded; few large reticulate rosace­like plates also present.