Unbranched Holdfasts of Stemmed Echinoderms from the Ordovician of the Leningrad Region

Unbranched Holdfasts of Stemmed Echinoderms from the Ordovician of the Leningrad Region

- Based on examination of the collection of stemmed echinoderm holdfasts from the Ordovician of the Leningrad Region (Russia), all holdfasts are divided in two large groups: "unbranched" and "branched". In total, 11 morphotypes of unbranched holdfasts are identified and described...

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Veröffentlicht in:Paleontological Journal 2020, Vol.54 (7), p.715
Hauptverfasser: Anekeeva, G. A, Rozhnov, S. V
Format: Report
Sprache:eng
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Zusammenfassung:- Based on examination of the collection of stemmed echinoderm holdfasts from the Ordovician of the Leningrad Region (Russia), all holdfasts are divided in two large groups: "unbranched" and "branched". In total, 11 morphotypes of unbranched holdfasts are identified and described in detail.
ISSN:0031-0301
DOI:10.1134/S0031030120070023