Affiliation:
1. Institute of Geology, Ufa Federal Research Centre, Russian Academy of Sciences (IG UFSC RAS), Karl Marx St., 16/2, Ufa, Russia, 450077
2. Kazan Federal University, Kremlyovskaya ul. 18, Kazan 420000, Russia
3. Geological Institute, Russian Academy of Sciences, Pyzhevskii Lane 7, Moscow, Russia, 119017
Abstract
ABSTRACT
The study of the test morphology of type specimens and newly collected foraminiferal material of the family Lasiodiscidae Reitlinger, 1956, from the Carboniferous (Visean Stage, Mississippian Subsystem) to Permian (Roadian Stage, Guadalupian Series) beds of Russia (East European Platform and Urals), Turkey, and Tajikistan (Darvaz) allowed a revision of the species composition of the genera Howchinia, Monotaxinoides, Eolasiodiscus, Turrispiroides, and Mesolasiodiscus. A new genus, Postmonotaxinoides, is described. The species Monotaxinoides transitorius, M. subplanus, M. gracilis, Eolasiodiscus donbassicus, E. galinae, Mesolasiodiscus tenuis, M. nigrans, Postmonotaxinoides horridus, P. costiferus, and P. grandis are redescribed based on new data of their test morphology. Their taxonomy is revised and new phylogenetic reconstructions for the species are proposed.
Subject
Paleontology,Microbiology
Cited by
1 articles.
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