Foraminifera taxon details
Mesolasiodiscus Rauzer-Chernousova & Chermnykh, 1990 †
1054672 (urn:lsid:marinespecies.org:taxname:1054672)
accepted
Genus
Lasiodiscus tchernovi Mikhailova, 1960 † accepted as Mesolasiodiscus tchernovi (Mikhailova, 1960) † (type by original designation)
- Species Mesolasiodiscus nigrans Kulagina in Kulagina et al., 1992 †
- Species Mesolasiodiscus tchernovi (Mikhailova, 1960) †
- Species Mesolasiodiscus grandis (Lipina, 1949) † accepted as Postmonotaxinoides grandis (Lipina, 1949) † (Opinion of Kulagina and Filimonova (2020))
marine, brackish, fresh, terrestrial
fossil only
masculine
Rauzer-Chernousova, D. M.; Chermnykh, V. A. (1990). Mesolasiodiscus gen. nov. новое звено в эволюции позднепалеозойских лазиодисцид - Mesolasiodiscus gen. nov. a new link in the evolution of later Paleozoic Lasiodiscidae (Foraminifera). <em>Paleontologicheskii Zhurnal.</em> 24(1): 121-125.
page(s): p. 124 [details] Available for editors
[request]
page(s): p. 124 [details] Available for editors
[request]
Description Description: Plano-convex lasiodiscid, with well-developed hyaline layer filling the umbilicus. Pseudopillars generally...
Description Description: Plano-convex lasiodiscid, with well-developed hyaline layer filling the umbilicus. Pseudopillars generally well-marked. Aperture terminal simple, with simple additional sutural apertures.
Occurrence: Pennsylvanian–early Permian, northern Urals, Bashkortostan, and Darvaz; Bolorian South Pamir (Tajikistan), eastern Iran (Filimonova, 2010). Discovered in the Carnic Alps. Probably present in the Chihsian–Maokouan of South China.
(Vachard in Krainer et al. (2019)). [details]
Occurrence: Pennsylvanian–early Permian, northern Urals, Bashkortostan, and Darvaz; Bolorian South Pamir (Tajikistan), eastern Iran (Filimonova, 2010). Discovered in the Carnic Alps. Probably present in the Chihsian–Maokouan of South China.
(Vachard in Krainer et al. (2019)). [details]
Hayward, B.W.; Le Coze, F.; Vachard, D.; Gross, O. (2025). World Foraminifera Database. Mesolasiodiscus Rauzer-Chernousova & Chermnykh, 1990 †. Accessed at: https://www.marinespecies.org/foraminifera/aphia.php?p=taxdetails&id=1054672 on 2026-04-20
Date
action
by
original description
Rauzer-Chernousova, D. M.; Chermnykh, V. A. (1990). Mesolasiodiscus gen. nov. новое звено в эволюции позднепалеозойских лазиодисцид - Mesolasiodiscus gen. nov. a new link in the evolution of later Paleozoic Lasiodiscidae (Foraminifera). <em>Paleontologicheskii Zhurnal.</em> 24(1): 121-125.
page(s): p. 124 [details] Available for editors [request]
basis of record Haman, D. (1992). A potpourri of new foraminiferal genera and subgenera proposed since 1987 (listing and observations). <em>Tulane Studies in Geology and Paleontology.</em> 25: 139-155., available online at https://journals.tulane.edu/index.php/tsgp/article/download/845/772
note: Type species misspelled L. tchernovoi [details] Available for editors [request]
page(s): p. 124 [details] Available for editors
[request]basis of record Haman, D. (1992). A potpourri of new foraminiferal genera and subgenera proposed since 1987 (listing and observations). <em>Tulane Studies in Geology and Paleontology.</em> 25: 139-155., available online at https://journals.tulane.edu/index.php/tsgp/article/download/845/772
note: Type species misspelled L. tchernovoi [details] Available for editors
[request]From editor or global species database
Description Description: Plano-convex lasiodiscid, with well-developed hyaline layer filling the umbilicus. Pseudopillars generally well-marked. Aperture terminal simple, with simple additional sutural apertures.Occurrence: Pennsylvanian–early Permian, northern Urals, Bashkortostan, and Darvaz; Bolorian South Pamir (Tajikistan), eastern Iran (Filimonova, 2010). Discovered in the Carnic Alps. Probably present in the Chihsian–Maokouan of South China.
(Vachard in Krainer et al. (2019)). [details]
From editor or global species database
Image from typetaxon