IZ MOL 47875 Ventral Shell Image” - Fluminicola fuscus (Haldeman, 1847) collected in United States of America (licensed under http://creativecommons.org/publicdomain/zero/1.0/)

Utah-Colorado Freshwater Mollusks Survey is Now Published by USGS

The U.S. Geological Survey has published to GBIF, on behalf of Utah Division of Water Quality and the Colorado Water Quality Control Division, a freshwater mollusk survey. Although the results of the commissioned survey has an emphasis on ammonia-sensitive freshwater mussels (Superfamily Unionoidea) and non-pulmonate snails (Valvatidae, Hydrobiidae), non-native mollusks that were encountered are also included. The temporal scope of the dataset is 1871-2016 and includes historic museum and recently surveyed records.