General data	Thematic references	Distribution references
Diplocardia verrucosa

United States See reviews National reviews per state: Reynolds and Wetzel, 2004: Illinois, Indiana, Maryland, Missouri, Nebraska, New Mexico, Ohio, Oklahoma, Tennessee, Texas, Wisconsin Reynolds and Wetzel, 2008: Illinois, Indiana, Kansas, Maryland, Missouri, Nebraska, New Mexico, Ohio, Oklahoma, Tennessee, Texas, Wisconsin

General data

Thematic references

Distribution references

Data are not exhaustive. The database is permanently a work in progress.