Clistomastus was erected for Notomastus lacking genital pores, or with genital pores rudimentary on last three ... [details]
Created by Eisig (1887) as the subgenus opposite to Clistomastus, but as it apparently includes (by later synonymy) ... [details]
See the records under Valla Johnston for some of the history of this name [details]
Eisig (1887: 835) included the senior name Ancistria Quatrefages, 1866 in the synonymy of his new genus ... [details]
Eisig (1887) created subgenera Clistomastus and Tremomastus based on the number of genital pores, but subsequently ... [details]
The species was synonymised with Dasybranchus caducus (Grube, 1846) by Eisig (1887: 823-828), and this synonymy was ... [details]