On the Calviriidae Martens and Curini-Galletti, 1993 (Platyhelminthes, Proseriata), with the description of three new species Author Schockaert, Ernest R. Author Curini-Galletti, Marco Author Ridder, Wouter De Author Artois, Tom text Zootaxa 2011 3034 32 46 journal article 46318 10.5281/zenodo.203197 910123e8-a964-4370-99fd-bc160b5a7315 1175-5326 203197 Calviria Martens and Curini-Galletti, 1993 Diagnosis. Protandric Calviriidae . Epidermis with intra-epithelial nuclei. With a septum in front of the pharynx and a sphincter around the gut above it. Numerous large hyaline vacuoles under the body wall. A single seminal vesicle filled with large sperm. The copulatory organ is directed forwards with atrial needles arranged in a ring. Accessory glandular organ separated and in front of the male atrium. Simple female system with both ovovitelloducts opening in a short female duct and with or without bursa. Type species: Calviria solaris Martens and Curini-Galletti, 1993 . Other species: C. sublittoralis Martens and Curini-Galletti, 1993 and C. banyulensis Martens and Curini-Galletti, 1993 . Remarks. All three species have four needles in the accessory organ, which is (apparently) not connected to the exterior. Only C. solaris has a small terminal bursa in the female system.