Bryozoan fauna from the Mississippian (Visean) of Roque Redonde (Montagne Noire, southern France) Author Ernst, Andrej Author Wyse Jackson, Patrick N. Author Aretz, Markus text Geodiversitas 2015 2015-06-30 37 2 151 213 http://dx.doi.org/10.5252/g2015n2a2 journal article 10.5252/g2015n2a2 1638-9395 4534998 urn:lsid:zoobank.org:pub:BA9B2FF0-9D3B-44AF-894F-419DE5AE4C13 Genus Laxifenestella Morozova, 1974 TYPE SPECIES . — Fenestella sarytshevae Schulga-Nesterenko, 1951 by original designation. Mississippian (Serpukhovian) ; Russia . DIAGNOSIS. — Reticulate colonies of different shape, with relatively wide and thick branches and moderately wide dissepiments. Autozooecia arranged in two rows on the branches, rectangular to pentagonal in mid tangential section. Axial wall between autozooecial rows weakly undulating. Both superior and inferior hemisepta present. Narrow keel with single row of nodes developed (modified after Morozova [2001: 44] ). OCCURRENCE. — Lower Devonian – Upper Permian; worldwide. COMPARISON Laxifenestella Morozova, 1974 differs from Fenestella Lonsdale, 1839 in rectangular to pentagonal shape of autozooecia in mid tangential section and presence of well-developed hemisepta.