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Catopygus
Of Living and Fossil Echinoids 1924-1970
A New Cassiduloid (Echinodermata, Echinoidea) in the Albian of the Sergipe-Alagoas Basin, Brazil
Of Living and Fossil Echinoids 1971-2008
Geological Survey
Proceedings of the United States National Museum
Back Matter (PDF)
Palaeontologia Electronica PALAEODIVERSITY OF
Late Cretaceous (Turonian – Coniacian) Irregular Echinoids of Western Kazakhstan (Mangyshlak) and Southern Poland (Opole)
<I>Mecaster Fourneli</I>
Comparative Biogeography of Echinoids, Bivalves, and Gastropods from the Southern Ocean
Quarterly J.0 U Rnal
Is the Ordovician Explosion in the Diversity of Life
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