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Craspedostoma tuba
Taxonomy
Craspedostoma tuba was named by Perner (1903) [Craspedostoma tuba Barrande in Perner 1903]. It is not extant. Its type locality is Kosov quarry locality (Dlouhá Hora), Kopanina Fm, which is in a Ludlow deep subtidal limestone in the Kopanina Formation of the Czech Republic.