| Author Title Journal |
Zykoff W (1900) Beitrag zur Turbellarienfauna Russlands. Zoolog. Anz. 23: 634-635. Leipzig 1900. |
Abstract / Notes
reference from Graff Lv 1904-08 (citation)- p 1875. Plagiostoma lemani, Plagiostoma v. quadrioculata, in the Volga, p. 634.
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