Quatrefages, Armand de. (1866 [imprint date 1865]). Histoire naturelle des Annelés marins et d’eau douce. Annélides et Géphyriens. Volume 1. 1-588. Librarie Encyclopédique de Roret. Paris. [some vol.2 species are also linked here but see also source id 51472]., available online athttp://books.google.com/books?id=FV9IAAAAYAAJ[details]
original description Quatrefages, Armand de. (1866 [imprint date 1865]). Histoire naturelle des Annelés marins et d’eau douce. Annélides et Géphyriens. Volume 1. 1-588. Librarie Encyclopédique de Roret. Paris. [some vol.2 species are also linked here but see also source id 51472]., available online athttp://books.google.com/books?id=FV9IAAAAYAAJ[details]