Cystoblastus and the origin of the Hemicosmitoida (Echinodermata: Blastozoa)
All previous descriptions and interpretations of thecal plating in Cystoblastus Volborth depict a closed infralateral circlet, whereas actual specimens have that plate circlet open in three places. Cystoblastus is redescribed using Estonian specimens. It has a blastoid-like theca composed of a pelvi...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Estonian Academy Publishers
2021-08-01
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Series: | Estonian Journal of Earth Sciences |
Subjects: | |
Online Access: | https://kirj.ee/wp-content/plugins/kirj/pub/earth-3-2021-165-181_20210812152141.pdf |