Many of these mollusks are land snails that belong to the genus Sonorella (talussnails), Oreohelix (mountainsnails), or Ashmunella (woodlandsnails). They can be found in the arid Sonoran Desert to the forest-covered mountains (“sky islands”) in southeast Arizona, up through the highlands and hills of central Arizona, and among the Great ...

Study of Arizona pleistocene and recent mollusks: a tool for local geochronological research Author R. J. Drake Article Date November 1954 Language English Journal Title El Palacio Journal Volume 61 Page Number (s) 355-367 Subject Headings MOLLUSKS Object type Article Rights

“To date, this is the most complete coverage of the mollusks of Arizona and the adjacent areas of the arid Southwest. Many hundreds of new detailed localities are recorded for the 154 native species reported from Arizona, based mainly on the extensive collecting activities of the two authors and their colleague, Richard H. Russell.”—

The Arizona State University Mollusk Collection (ASUMOC) is curated by volunteer and avid shell enthusiast, Dale Snyder. It consists of approximately 140,000 shell specimens, and includes members from five of the seven classes of the phylum Mollusca.

2016年2月3日 · Some of the mollusks in this identification guide are highly invasive, andhave been formally recognized by the Arizona Game and Fish Department as Aquatic InvasiveSpecies (AIS) in Director’s Order 1 (A.R.S. §17-255).

The 1991 survey produced new records of occurrence and altitudinal distributions for the Grand Canyon, northern Arizona, and the state of Arizona. An examination is made of the distribution of Grand Canyon mollusks with respect to the four ecological Life Zones of the Grand Canyon area.

"To date, this is the most complete coverage of the mollusks of Arizona and the adjacent areas of the arid Southwest. Many hundreds of new detailed localities are recorded for the 154 native species reported from Arizona, based mainly on the extensive collecting activities of the two authors and their colleague, Richard H. Russell."

Aquatic and terrestrial mollusks of the Colorado River corridor through the Grand Canyon, Arizona. occupy an uncertain position in the trophic food web of the region. In the river corridor, mollusks are probably taxonomically diverse, but their habitats are restricted to tributaries.

“To date, this is the most complete coverage of the mollusks of Arizona and the adjacent areas of the arid Southwest. Many hundreds of new detailed localities are recorded for the 154 native species reported from Arizona, based mainly on the extensive collecting activities of the two authors and their colleague, Richard H. Russell.”—

2016年10月11日 · Part II: Annotated Check List of Recent Arizona Mollusks Treatment of 173 valid species and 46 recognized subspecies gives nomenclature, type localities, distribution in Arizona, occurrence elsewhere in the Southwestern Molluscan Province, general Recent distribution, presence or absence in Late Cenozoic deposits, and synonymy.