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| Macraster species, Toxasteridae, Spatangoida (83 mm), colno 40084 Lake Texoma, Oklahoma, USA Duck Creek Formation, Lower Cretaceous, Cretaceous |
Toxaster amplus, Toxasteridae, Spatangoida (27 mm), colno 51784 Quinson, Alpes de Hautes Provence, France Hauterivian, Lower Cretaceous, Cretaceous |
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| Toxaster species, Toxasteridae, Spatangoida (19 mm), colno 51239 Quinson, Alpes de Hautes Provence, France Hauterivian, Lower Cretaceous, Cretaceous |
Micraster brevis, Micrasteridae, Spatangoida (50 mm), colno 38976 Camillas, Region unknown, Spain Formation unknown, Cretaceous |
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