Mollusca of the Grand Canyon and vicinity, Arizona: new and revised data on diversity and distributions, with notes on Pleistocene-Holocene mollusks of the Grand Canyon
Spamer EE and Bogan AE. 1993. Mollusca of the Grand Canyon and vicinity, Arizona: new and revised data on diversity and distributions, with notes on Pleistocene-Holocene mollusks of the Grand Canyon. Proceedings of the Academy of Natural Sciences of Philadelphia. 144:21-68
The Colorado River and many of its tributaries in the Grand Canyon were surveyed for terrestrial and aquatic mollusks. Included is a species list containing current data, unpublished sporadic previous collections, and historical records. A detailed review of past literature is included, along with an examination of the distribution of Grand Canyon mollusks with respect to the four ecological Life Zones of the Grand Canyon area.
- Type
- Journal Article
- Authors
- Spamer, Earle; Bogan, Arthur
- Units
- GRCA , PARA , PISP
- Keywords
- Aquatic Invertebrates, Bivalves (Bivalvia), Colorado River, Distribution, Gastropods (Gastropoda), historic survey, Hurricane Cliffs, Mollusks (Mollusca), Mt. Trumbull, Snails (Gastropoda), Survey, Threatened & Endangered Species