Pseudocolonies of Silurian Rugoses Microplasma schmidti Dybowski from Estonia: Morphology and Origin

Microplasma schmidti Dybowski, 1874 (Rugosa: Stauriida: Cystiphyllidae) is briefly described. The species is characterized by a primitive septum zone, dissepiments that occupy the central corallite zone and the frequent occurrence of pseudocolonies. Based on the material from the collection of the T...

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Bibliographic Details
Published inPaleontological journal Vol. 55; no. 5; pp. 469 - 476
Main Author Kazantseva, E. S.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.09.2021
Springer
Springer Nature B.V
Subjects
Budding
Corals
Cystiphyllidae
Earth and Environmental Science
Earth Sciences
Microplasma schmidti
Microplasmas
Morphology
Paleontology
Septum
Silurian
Estonia
pseudocoloniality
Silurian
regeneration
Jaagarahu
Rugosa
regenerative budding
morphallaxis
aggregates
Sepise
paracolonies
Estonia
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Summary:Microplasma schmidti Dybowski, 1874 (Rugosa: Stauriida: Cystiphyllidae) is briefly described. The species is characterized by a primitive septum zone, dissepiments that occupy the central corallite zone and the frequent occurrence of pseudocolonies. Based on the material from the collection of the Tallinn University of Technology from the Wenlock of Estonia (Sepise Section, Jaagarahu Stage), the mechanism of the pseudocolony formation by regenerative budding of the maternal corallite is described and the main reasons of its appearance are discussed.
ISSN:0031-0301
1555-6174
DOI:10.1134/S0031030121050075