PaleoDB taxon number: 59434
Full reference: M. A. Kosnik. 1997. Byzantia: a new genus (Gastropoda: Neritopsidae) from the Permian of west Texas. Journal of Paleontology 71(1):53-56
Sister taxa: none
Type specimen: USNM 486319, a shell. Its type locality is USNM703a, Old Word Ranch, Glass Mountains, which is in a Kungurian reef, buildup or bioherm limestone in the Road Canyon Formation of Texas.
Average measurements (in mm): shell width 6.85