basis of record
Hayes, W. J. Jr. (1945). Rhabdocoela of Wisconsin. II. Morphology and taxonomy of Castrella pinguis (Silliman 1884) Fuhrmann 1900. Amer Midland Naturalist, 33:440-448
page(s): 446 [details] Available for editors 
status source
Luther, A. (1955). Die Dalyelliiden (Turbellaria Neorhabdocoela), eine Monographie. <em>Acta Zoologica Fennica.</em> 87: 1-337.
page(s): 286–287 [details] Available for editors 
From editor or global species database
Taxonomic remark Graff (1911: p. 49–51; 1913: p. 126–128) considers specimens studied by him as belonging to Jensenia pinguis (Silliman, 1885). However, this is convincingly argued against by Hayes (1945), who coins a new name for the specimens described by Graff: Castrella graffi. [details]
From editor or global species database