Stenolaemate bryozoans from the Graham Formation, Pennsylvanian (Virgilian) at Lost Creek Lake, Texas, USA Author Ernst, Andrej Author Claussen, Anna Lene Author Seuss, Barbara Author Wyse Jackson, Patrick N. text Palaeontologia Electronica 2022 a 15 2022-05-31 25 2 1 56 http://dx.doi.org/10.26879/1174 journal article 10.26879/1174 1094-8074 A4A07D50-3DDB-4E45-A255-1ECCF45F147A Genus DYSCRITELLA Girty, 1911 Type species. Dyscritella robusta Girty, 1911 , by original designation. Mississippian; Arkansas , USA . Diagnosis. Ramose and encrusting colonies with abundant acanthostyles and exilazooecia. Autozooecia parallel to longitudinal direction of the colony in endozone; gradually bending outward in exozone. Diaphragms in autozooecia lacking or very rare; lacking in exilazooecia. Exilazooecia circular to angular in cross section and separated from the autozooecia and from each other by thick walls. Two sizes of acanthostyles may be present. Zooecial walls thin in endozone, rapidly thickening in the exozone. Remarks. Dyscritella Girty, 1911 , generally lacks diaphragms, which are commonly developed in the similar genus Dyscritellina Morozova in Dunaeva and Morozova, 1967 . Occurrence. Devonian to Triassic; worldwide.