Hemizyga attenuata Hoare and Sturgeon 1980

Gastropoda - Zygopleuroidea - Pseudozygopleuridae

Alternative combinations: Gamizyga (Gamizyga) attenuata, Hemizyga (Hemizyga) attenuata

Full reference: R. D. Hoare and M. T. Sturgeon. 1980. The Pennsylvanian pseudozygopleurid gastropod genus Gamizyga n. gen. from Ohio and West Virginia. Journal of Paleontology 54(1):159-187

Belongs to Hemizyga according to P. J. Wagner 2023

See also Hoare and Sturgeon 1980 and Kues and Batten 2001

Sister taxa: Hemizyga (Hemizyga), Hemizyga dubia, Hemizyga elegans, Hemizyga grandicostata, Hemizyga illineata, Hemizyga inflata, Hemizyga larga

Distribution:

• Desmoinesian of United States (2: New Mexico, Ohio collections)

• Atokan of United States (1: Ohio)

• Carboniferous of United States (2: Ohio)

Total: 5 collections each including a single occurrence

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