original description
(of Vortex rhombiger Plotnikow, 1905) Plotnikow, W. (1905). Uber einige rhabdocöle Turbellarien Sibiriens. <em>Zoologische Jahrbücher. Abteilung für Systematik, Geographie und Biologie der Tiere.</em> 21: 479–490. 1 plate.
page(s): 485 [details] 
source of synonymy
Luther, A. (1955). Die Dalyelliiden (Turbellaria Neorhabdocoela), eine Monographie. <em>Acta Zoologica Fennica.</em> 87: 1-337.
page(s): 180 [details] Available for editors 
new combination reference
Ruebush, T. K.; Hayes, W. J. Jr. (1939). The genus Dalyellia in America II. <em>Zoologischer Anzeiger.</em> 128: 136-152.
page(s): 151; note: This is the only place where this combination occurs. Not mentioned by Luther (1955: p. 180) who mentions Dalyellia rhombigera as a synonym of G. expedita. [details] Available for editors 
From editor or global species database