Seven scuticociliates (Protozoa, Ciliophora) from Alabama, USA, with descriptions of two parasitic species isolated from a freshwater mussel Potamilus purpuratus Author Xuming Pan text European Journal of Taxonomy 2016 249 1 19 journal article 37563 10.5852/ejt.2016.249 09521c67-41e4-40da-9d43-97412eb789e9 118-9773 200009 urn:lsid:zoobank.org:pub:43278833-B695-4375-B1BD-E98C28A9E50E Pleuronema setigerum Calkins, 1902 Remarks and comparison Kahl (1931) redescribed this species, and Borror (1963a) described its infraciliature but gave only a diagram of the buccal morphology. Pan et al. (2010) offered improved diagnoses of this species based on a Chinese population. Cells of the North American population matched previous descriptions of the species in all morphological characters, except body size in vivo (50–70 × 25–35 μm vs 30–50 × 15–30 μm).