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| Coenholectypus species, Holectypidae, Holectypoida (24 mm), colno 47787 Mills County, Texas, USA Formation unknown, Lower Cretaceous |
Holectypus depressus, Holectypidae, Holectypoida (14 mm), colno 44342 Mortagne au Perche, Sarthe, France Callovian, Dogger, Jurassic |
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| Conulus subrotundus, Conulidae, Holectypoida (27 mm), colno 51227 Wüllen near Ahaus, Westfalen, Germany Turonian, Upper Cretaceous |
Galerites sulcatoradiatus, Galeritidae, Holectypoida (25 mm), colno 49508 Stevns Klint, Sjaelland, Denmark Bryozokalk, Danian, Paleocene, Tertiary |
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