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Xenotrypa
Taxonomy
Xenotrypa was named by Bassler (1952) [Sepkoski's age data: O Aren-u O Llvi-u Sepkoski's reference number: 738,742].
It was assigned to Fistuliporidae by Bassler (1953); to Constellariidae by Astrova (1965); and to Cystoporata by Sepkoski (2002).
It was assigned to Fistuliporidae by Bassler (1953); to Constellariidae by Astrova (1965); and to Cystoporata by Sepkoski (2002).
Species lacking formal opinion data