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TaxNo: 1560Celaeceras praematurum+*
Suborder: Agoniatitina
Superfamily: Agoniatitoidea
Family: Auguritidae
Genus: Celaeceras
Species: praematurum+*
Qualifier: ss
Author: Barrande 1877,p.110
Lower Boundary: CZB praecursor Zone base [12,10], 406.4 million years
Upper Boundary: CZB elegans--cancellata Zone [14,20], 404 million years