Turbellarians source details
Nasonov, N. V. (1926). Die Turbellarienfauna des Leningrader Gouvernements II. Phaenocoridae, Sergiidae, Typhloplanidae, Gyratricidae, Polycistidae,
Alloeocoela, Tricladida. Bulletin de l'Académie des Sciences de l'URSS VI série. 20(10–11): 869–884.
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Nasonov, N. V.
1926
Die Turbellarienfauna des Leningrader Gouvernements II. Phaenocoridae, Sergiidae, Typhloplanidae, Gyratricidae, Polycistidae,
Alloeocoela, Tricladida
Bulletin de l'Académie des Sciences de l'URSS VI série.
20(10–11): 869–884.
Publication
Available for editors 
Europe
Fauna and Flora, Faunistic inventories, Checklists, Catalogues
Systematics, Taxonomy
Systematics, Taxonomy
Olistanella accepted as Olisthanella Voigt, 1892 (additional source)
Olisthanella petropolitana Beklemischev, 1924 (status source)
Olisthanella truncula lucida Nasonov, 1926 (original description)
Sergia sergia (Beklemischev, 1918) Nasonov, 1923 accepted as Neosergia sergia (Beklemishev, 1918) Li, 2023 (additional source)
Olisthanella petropolitana Beklemischev, 1924 (status source)
Olisthanella truncula lucida Nasonov, 1926 (original description)
Sergia sergia (Beklemischev, 1918) Nasonov, 1923 accepted as Neosergia sergia (Beklemishev, 1918) Li, 2023 (additional source)
Taxonomy
Nasonov considers the species to be inadequately described, so it cannot be put in any genus with certainty. He ... [details]