An annotated checklist of species in the family Lagenophryidae (Ciliophora, Oligohymenophorea, Peritrichia), With a brief review of their taxonomy, morphology, and biogeography Author Mayén-Estrada, Rosaura Author Clamp, John C. text Zootaxa 2016 4132 4 451 492 journal article 10.11646/zootaxa.4132.4.1 ff19b27a-0f58-4285-b3b1-a7c9fa6a5ad2 1175-5326 257628 93EBA74C-E97B-42A6-9D82-1DF346533192 · The diagnosis of Setonophrys Jankowski (1986) was emended by Clamp (1991) to include all lagenophryid species that have a lorica aperture with a rigid anterior lip and a flexible posterior lip that is pulled completely inside the lorica to press it against the anterior lip and close the aperture ( Fig. 5 ).