Gastropoda - Cerithioidea - Turritellidae
Alternative combinations: Turritella (Haustator) pachecoensis, Turritella pachecoensis
Synonyms: Turritella hannai Nelson 1925, Turritella saffordii Gabb 1860, Turritella simiensis Waring 1917
Full reference: T. W. Stanton. 1896. The Faunal Relations of the Eocene and Upper Cretaceous on the Pacific Coast. Seventeenth Annual report of the United States Geological Survey to the Secretary of the Interior, 1895-1896: Part 1. Director's Report and Other Papers 1011-1059
Belongs to Turritella infragranulata according to L. R. Saul 1983
See also Gabb 1860, Gabb 1864, Hoots 1931, Merriam 1941, Nelson 1925, Stanton 1896, Stewart 1927 and Waring 1917
Sister taxa: none
Subtaxa: Turritella pachecoensis renodata Turritella pachecoensis waringi
Ecology: facultatively mobile semi-infaunal suspension feeder
Distribution:
• Eocene of Mexico (1 collection), United States (2: California)
• Paleocene to Eocene of United States (3: California)
• Paleocene of Mexico (3), United States (93: California, Mississippi, Tennessee)
• Cretaceous of United States (2: California)
Total: 104 collections including 110 occurrences