context source (Hexacorallia)
Fautin, Daphne G. (2013). Hexacorallians of the World. (look up in IMIS) [details]
additional source
Skrjabin, K. I. (1947). Trematodes and their position in the animal kingdom. <em>Osnovy Trematodologii.</em> 1: 11-37. (In Russian, English translation, 1979, by Amerind Publishing Co.).
page(s): 11 [details]
identification resource
Gibson, D. I. (2002). Class Trematoda Rudolphi, 1808. In Gibson DI, Jones A and Bray RA (eds),. <em>Keys to the Trematoda, vol. 1.</em> Wallingford: CAB International,. pp. 1-3.
page(s): 1 [details]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Classification The classification used here is a compromise between the more traditional taxonomy of Neodermata vs. the turbellarians. Yet it reflects the fact that Neodermata is within free-living flatworms (i.e. turbellaria are paraphyletic). It mentions all traditional taxa that are found in phylogenetic studies (e.g. Laumer et al., 2015). Many of the "in-between" higher level taxa (such as Trepaxonemata etc.) are no longer in WoRMS (probably more user friendly that way). This also means an asymmetry between turbellarians (nine ordines) and Neodermata (superclass with three classes). [details]
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