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Hints, O., 2008a

Kaljoprion - a new enigmatic jawed polychaete genus from the Upper Ordovician of Estonia

Hints, O.
DOI10.3176/earth.2008.4.05
Year2008
JournalEstonian Journal of Earth Sciences
Volume57
Number4
Pages256-259
Typearticle in journal
Figures2
OpenAccess
LitsentsCC BY 4.0
Estonian author
LanguageEnglish
Id868

Abstract

A new Late Ordovician polychaete genus Kaljoprion, with K. laevaensis gen. et sp. nov. as the type species, is described from the Nabala Regional Stage of the Laeva-18 drill core, central Estonia. The genus has a labidognath-type apparatus with the first and second maxillae equipped with anterior denticles developed into characteristic transversal ridges. Similar dentaries are observed in the jaws of distantly related Rhytiprion, suggesting a common feeding habit of both genera and representing a case of convergent evolution among Palaeozoic polychaetes. 

Last change: 28.11.2020
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