Echinoidea name details
additional source
Olszewska-Nejbert, D. (2007). Late Cretaceous (Turonian – Coniacian) irregular echinoids of western Kazakhstan (Mangyshlak) and southern Poland (Opole). <em>Acta Geologica Polonica.</em> 57: 1-87. page(s): 8 [as "Family Catopygidae LAMBERT, 1898"] [details] Available for editors
additional source
Lambert, J. (1898). Note sur les Échinides de la Craie de Ciply. <em>Bulletin de la Société Belge de Géologie, Paléontologie et d'Hydrologie, série 2.</em> 11: 145-190, pl. 2-5., available online at https://www.biodiversitylibrary.org/page/45203330 page(s): 168 [as "Catopygiens"] [details]
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