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Protozeuga

Rhynchonellata - Athyridida - Dayiidae

Taxonomy
Protozeuga was named by Twenhofel (1914). Its type is Terebratula bicarinata.

It was assigned to Dayiinae by Bassett and Cocks (1974); to Dayiidae by Williams et al. (2002); and to Spiriferida by Sepkoski (2002).

Synonymy list
YearName and author
1914Protozeuga Twenhofel
1974Protozeuga Bassett and Cocks
2002Protozeuga Sepkoski, Jr.
2002Protozeuga Williams et al. p. 1605

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
RankNameAuthor
phylumBrachiopodaCuvier 1805
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderAthyrididaBoucot et al. 1964
superfamilyDayioideaWaagen 1883
familyDayiidaeWaagen 1883
genusProtozeugaTwenhofel 1914

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Diagnosis
No diagnoses are available