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December 26, 2018
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Rhagasostoma (Bryozoa) from the Late Cretaceous of Eurasia: taxonomic revision, stratigraphy and palaeobiogeography
Keywords
family: Bolivinoididae family: Porosphaeridae family: Flustridae family: Ostreidae family: Marsupitidae family: Not family: Cardiasteridae family: Onychocellidae family: Cribrilinidae family: Cancrisidae family: Uintacrinidae family: Belemnitida (awaiting allocation) family: Anomalinidae genus: Ostrea genus: Sternotaxis genus: Inversaria genus: Onychocella genus: Woodipora genus: Uintacrinus genus: Rhagasostoma genus: Flustra genus: Belemnitella genus: Eschara genus: Cibicidoides genus: Castanopora genus: Goniotheutis genus: Marsupites genus: Porosphaera genus: Brotzenella genus: Bolivinoides species: testudinarius species: lambi species: gibbosa species: rowei species: decoratus species: quadrata species: disparile species: aralense species: palpigerum species: operculatum species: scheringense species: delarueana species: dichotoma species: minuens species: strumulosum species: tchvanovi species: gibbosum species: lanceolata species: anglicum species: socialis species: gibbosulum species: monterelensis species: mucronata species: trimense species: hercynum species: mimosa species: angliae species: lunata species: testudianarius species: nysti species: tubiporacea species: hexagonum species: plana species: inelegans species: calceolum species: subgibbosum species: brydonei species: temirensis species: flabellula species: exilis species: voltzianus
Species commonly assigned to the cheilostome bryozoan genus Onychocella Jullien, 1882 are numerous in deposits of Late Cretaceous age. Among these are 15 species with wide stratigraphical and geographical distributions that are better placed in the genus Rhagasostoma Koschinsky, 1885. These are used here to show similarities between Late Cretaceous bryozoan associations from Western Europe and Central Asia. Type and additional material was examined of several species from the Turonian to the Maastrichtian of Western Europe, including material studied by R.M. Brydone, E. Voigt and T.A. Favorskaya and undescribed material from the Campanian and Maastrichtian of several localities in Eastern Europe and Central Asia. The new species Rhagasostoma brydonei sp. nov., R. aralense sp. nov. and R. operculatum sp. nov. are introduced. New and published data on the morphology and the stratigraphical and geographical distributions of R. inelegans (Lonsdale, 1850), R. gibbosum (Marsson, 1887), R. gibbosulum Brydone, 1936, R. rowei (Brydone, 1906) and R. mimosa (Brydone, 1930) is presented.
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Resource type:
Journal article
Publisher:
European Journal of Taxonomy
Alternate identifiers:
(local):
10466
DOI:
10.5852/ejt.2018.490
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Is cited by:
FFECFFAF9676FFAEF12BFFD3FFE7FF87 ( Plazi docId )
Taxonomic treatment
52356089-4633-4477-99c9-45f18606f5b9 ( GBIF Dataset )
Taxonomic treatment
urn:lsid:zoobank.org:pub:BE023137-CC5E-4DC5-94F6-B549BB140361 ( URN )
Taxonomic treatment
Is variant form of:
https://zenodo.org/record/3830845 ( URL )
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Created: October 15, 2021 | Modified: October 15, 2021