Taxon - Odkazy a literatura
druh
Polystira vibex (W. H. Dall, 1889)
Paleobiology Database [281027]
Paleobiology Database [https://paleobiodb.org/] [jako Polystira vibex (Dall, 1889)]
Datum citace: 25. leden 2018
Paleobiology Database [281024]
Paleobiology Database [https://paleobiodb.org/] [jako Polystira antillarum (Crosse, 1865)]
Datum citace: 11. prosinec 2015