†Rictaxis painei grandior Grant, IV and Gale 1931 (snail)
Gastropoda - Heterostropha - Acteonidae
Alternative combinations: Acteon (Rictaxis) painei grandior, Acteon grandior
Full reference: U. S. Grant, IV and H. R. Gale. 1931. Catalogue of the Marine Pliocene and Pleistocene Mollusca of California. Memoirs of the San Diego Society of Natural History 1:1-1036
Belongs to Rictaxis painei according to R. L. Squires 2012
See also Grant, IV and Gale 1931 and Winterer and Durham 1962
Sister taxa: none
Type specimen: SDSNH 208. Its type locality is Holser Canyon, which is in a Pliocene marine horizon in the Pico Formation of California.
Ecology: epifaunal carnivore
Distribution:
• Pliocene of United States (10: California collections)
Total: 10 collections each including a single occurrence