Turbellarians taxon details
Opisthocystis irregularis (Nasonov, 1935) Karling, 1956
Polycystis irregularis Nasonov, 1935 · unaccepted
Polycystis irregulatus · unaccepted > misspelling - incorrect subsequent spelling
recent only
Not documented
Tyler, S., Artois, T.; Schilling, S.; Hooge, M.; Bush, L.F. (eds) (2006-2024). World List of turbellarian worms: Acoelomorpha, Catenulida, Rhabditophora. Opisthocystis irregularis (Nasonov, 1935) Karling, 1956. Accessed at: https://www.marinespecies.org/turbellarians/aphia.php?p=taxdetails&id=1510803 on 2026-06-21
Date
action
by
original description
(of Polycystis irregularis Nasonov, 1935) Nasonov, N. (1935). Uber den Heliotropismus der Turbellaria rhabdocoelida des Baikalsees. (Works of the Laboratory of Experimental Zoology and Morphology of Animals of the Academy of Sciences). Trav Lab Zool Exp Morph Anim, Leningrad., 4:195-204 [details] Available for editors 
additional source Evdonin, L. A. (1977). Monograph of the Turbellaria Kalyptorhynchia in the fauna of the USSR and adjacent areas. [In Russian]. Fauna USSR. Turbellaria, Vol 1, Pt 1. Fauna USSR (NS), 115:1-400 [details] Available for editors
additional source Timoshkin, O. A.; Zaytseva, E. P.; Gutsol, M. V.; Tereza, E. P. (2010). New and poorly known species of the genus Opisthocystis Sekera, 1911 (Plathelminthes, Turbellaria, Kalyptorhynchia: Polycystididae) from Lake Baikal with preliminary description of their karyotypes and bottom temperature measured by onset loggers in the shallow zone of Southern Baikal. <em>In: Index of Animal Species Inhabiting Lake Baikal and its Catchment Area.</em> Ch 2.5: 1105-1164. [details] Available for editors
new combination reference Karling, T. G. (1956). Morphologisch-histologische Untersuchungen an den männlichen Atrialorganen der Kalyptorhynchia (Turbellaria). <em>Arkiv för Zoologi.</em> 9: 187-277.
page(s): 236 [details] Available for editors
basis of record (of Polycystis irregulatus) Evdonin, L. A. (1977). Monograph of the Turbellaria Kalyptorhynchia in the fauna of the USSR and adjacent areas. [In Russian]. Fauna USSR. Turbellaria, Vol 1, Pt 1. Fauna USSR (NS), 115:1-400 [details] Available for editors
additional source Evdonin, L. A. (1977). Monograph of the Turbellaria Kalyptorhynchia in the fauna of the USSR and adjacent areas. [In Russian]. Fauna USSR. Turbellaria, Vol 1, Pt 1. Fauna USSR (NS), 115:1-400 [details] Available for editors
additional source Timoshkin, O. A.; Zaytseva, E. P.; Gutsol, M. V.; Tereza, E. P. (2010). New and poorly known species of the genus Opisthocystis Sekera, 1911 (Plathelminthes, Turbellaria, Kalyptorhynchia: Polycystididae) from Lake Baikal with preliminary description of their karyotypes and bottom temperature measured by onset loggers in the shallow zone of Southern Baikal. <em>In: Index of Animal Species Inhabiting Lake Baikal and its Catchment Area.</em> Ch 2.5: 1105-1164. [details] Available for editors
new combination reference Karling, T. G. (1956). Morphologisch-histologische Untersuchungen an den männlichen Atrialorganen der Kalyptorhynchia (Turbellaria). <em>Arkiv för Zoologi.</em> 9: 187-277.
page(s): 236 [details] Available for editors
basis of record (of Polycystis irregulatus) Evdonin, L. A. (1977). Monograph of the Turbellaria Kalyptorhynchia in the fauna of the USSR and adjacent areas. [In Russian]. Fauna USSR. Turbellaria, Vol 1, Pt 1. Fauna USSR (NS), 115:1-400 [details] Available for editors
Present Inaccurate Introduced: alien Containing type locality
