Laxifenestella, Morozova, 1974

Ernst, Andrej, Claussen, Anna Lene, Seuss, Barbara & Wyse Jackson, Patrick N., 2022, Stenolaemate bryozoans from the Graham Formation, Pennsylvanian (Virgilian) at Lost Creek Lake, Texas, USA, Palaeontologia Electronica (a 15) 25 (2), pp. 1-56 : 20-21

publication ID	https://doi.org/ 10.26879/1174
publication LSID	lsid:zoobank.org:pub:A4A07D50-3DDB-4E45-A255-1ECCF45F147A
DOI	https://doi.org/10.5281/zenodo.11032564
persistent identifier	https://treatment.plazi.org/id/03C387F1-9A0F-396C-2E70-038DF4294FDB
treatment provided by	Felipe
scientific name	Laxifenestella
status

Treatment

Genus LAXIFENESTELLA Morozova, 1974 View in CoL

Type species. Fenestella sarytshevae Schulga-Nesterenko, 1951 , subsequently designated by Morozova (1974). Mississippian , Serpukhovian; Moscow Syncline, Russia .

Diagnosis. Reticulate colonies consisting of relatively wide and thick branches and moderately wide dissepiments. Autozooecia arranged in two rows on the branches. Autozooecial chambers 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, p. 44).

Remarks. Laxifenestella Morozova, 1974 , differs from Fenestella Lonsdale, 1839 , in the rectangular to pentagonal shape of autozooecia in mid-tangential section and the presence of well-developed hemisepta.

Occurrence. Lower Devonian – Upper Permian; worldwide.