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| Echinocorys subglobosus, Holasteridae, Holasteroida (60 mm), colno 49832 Höver, Hannover, Germany Campanian, Cretaceous |
Echinocorys sulcata, Holasteridae, Holasteroida (77 mm), colno 4191 Dalby, Sjaelland, Denmark Danian, Paleocene, Tertiary |
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| Echinocorys vulgaris, Holasteridae, Holasteroida (72 mm), colno 39047 Fontenay en Vexin, Eure, France Lutetian, Eocene, Tertiary |
Hemipneustus striatoradiatus, Holasteridae, Holasteroida (105 mm), colno 38980 Enci Cement, Zuid Limburg, Netherlands Maastrichtian, Cretaceous |
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