Hemizyga illineata Knight 1930 (snail)

Gastropoda - Prosobranchia - Pseudozygopleuridae

Alternative combinations: Gamizyga illineata, Hemizyga (Hemizyga) illineata

Full reference: J. B. Knight. 1930. The gastropods of the St. Louis, Missouri, Pennsylvanian outlier: the Pseudozygopleurinae. Journal of Paleontology Memoir 4(4):1-88

Belongs to Hemizyga according to P. J. Wagner 2017

See also Knight 1930, Kues 1984, Kues and Batten 2001 and Yochelson and Saunders 1967

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

Type specimen: YPM 13001, a shell. Its type locality is SL-1. Headwaters of Feefee Creek, north of Olive St. & west of Lindberg Blvd., 1.5 km northwest of Stratmann (Olivette), which is in a Moscovian marine shale in the Appanoose Formation of Missouri.

Ecology: epifaunal

Distribution:

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

• Carboniferous of United States (2: Missouri, New mexico)

Total: 4 collections each including a single occurrence

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Specimen images are retrieved through the ePANDDA API.


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