Taxon - Links and literature
Dominguéz Alonso P., Jefferies R. P. S., Gil Cid D. (2002): An annotated check-list of genera and species of carpoids, Coloquios de Palcontologia, 53: 33-68 [as Iowacystis sagittaria Thomas & Ladd, 1926]Data retrieved on: 19 February 2016