Revision of the concept of the orthide brachiopod Cyrtonotella in the Middle Ordovician of the East Baltic
The two lowermost Darriwilian (Middle Ordovician) brachiopod species that were previously included in the genus Cyrtonotella are re-studied and compared with the type species Cyrtonotella semicircularis (Eichwald) from the St Petersburg Region. Based on the new data the classification of the importa...
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Format: | Article |
Language: | English |
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Estonian Academy Publishers
2014-05-01
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Series: | Estonian Journal of Earth Sciences |
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Online Access: | http://www.kirj.ee/public/Estonian_Journal_of_Earth_Sciences/2014/issue_2/earth-2014-2-63-70.pdf |