A Review of the North American Freshwater Snail Genus Pyrgulopsis

Appendix 2
Fossil Species Described As or Allocated to Pyrgulopsis
or Its Junior Synonyms.
Lithasia antiqua Gabb, 1866:13. Tertiary (Pliocene-Pleistocene; Taylor 1966), on Snake River,
Idaho Territory, on the road from Fort Boise" to the Owyhee mining country. Allocated to
Pyrgulopsis by Hannibal (1912b: 189). Transferred to Lithoglyphus (= Fluminicola) by Taylor
(1966a; as synonym of L. occidentalis (Hall, 1845)).
Pyrgulopsis blakeana Taylor, 1950:30. Subfossil, shore of Salton Sea by Fish Springs, Imperial
County, California. Allocated to Tryonia by Taylor (1975).
Marstonia bucciniformis Youlou, 1978:42. Early Tfertiary, Bohai Coastal Plain, China.
Pyrgulopsis cahuillarum Taylor, 1950:31. Subfossil, fifty yards northeast of the so-called Fish Traps,
7.9 miles (12.6 km) west of Mecca, Riverside County, California. Allocated to Tryonia by Taylor
(1975).
Pyrgulopsis carinata Yen, 1944:103. Pliocene, Idaho Formation, Hammett, Elmore County, Idaho.
Amnicola crybetes Leonard, 1952:38. Pleistocene, Blanco Formation, 15 miles (24 km) east of
Liberal, Seward County, Kansas. Allocated to Marstonia by Taylor (1960b).
Nematurella euzona Hanna, 1923:33. Miocene, Sonoma County, California. Allocated to Savaginius
by Taylor (1975).
Pyrgulopsis imminens Taylor, 1950:28. Subfossil, shore of Salton Sea by Fish Springs, Imperial
County, California.
Marstonia inflata Wang in Yu and Wang, 1977:21. Late Cretaceous/Cenozoic, China.
Amnicola (Marstonia) leightoni Baker, 1920:125. Pleistocene, near Rush Lake, Logan County, Ohio.
Described as subspecies of Amnicola winkleyi; elevated to full species status by Baker (1928).
Fontelicella (Natricola) melina Taylor in Taylor and Smith, 1981:350. Pliocene, Honey Lake,
Lassen County, California.
Amnicola micra Yen, 1946:488. Late Tertiary, 9 miles (14.4 km) northwest of Montpelier, Bear Lake
County, Idaho. Allocated to Fontelicella by Gregg and Taylor (1965).
Paludestrina nanna Chamberlain and Berry, 1933:28. Pliocene, Collinston, Utah. Allocated to
Savaginius by Taylor (1966).
Fluminicola percarinata Pilsbry, 1934:16. Late Pliocene-Early Pleistocene, Lost Hills Oil Field,
California. Allocated to Savaginius by Taylor (1966).
Fluminicola perditicollis Pilsbry, 1934:16. Late Pliocene-Early Pleistocene, Lost Hills Oil Field,
California. Allocated to Savaginius by Taylor (1966).
Fluminicola pilula Pilsbry, 1934:15. Late Pliocene-Early Pleistocene, Lost Hills Oil Field,
California. Allocated to Savaginius by Taylor (1966).
Pyrgulopsis polynematicus Pilsbry, 1934:15. Pliocene, Button willow Gas Field, California.
Amnicola (Marstonia) precursor Baker, 1928:116. Pleistocene, Green Lake, Green Lake County,
Wisconsin.
Amnicola puteana Pilsbry, 1935b:559. Pliocene, Button willow Gas Field, California. Allocated to
Savaginius by Taylor (1966).
Pyrgulopsis? satilla Dall, 1913:236. Pliocene, near Alexandria, Louisiana.
Fluminicola siegfusi Pilsbry, 1934:16. Late Pleistocene-Early Pliocene, Lost Hills Oil Field,
California. Allocated to Savaginius by Taylor (1966).
Fluminicola spiralis Pilsbry, 1934:16. Late Pliocene-Early Pleistocene, McKittrick Front Oil Field,
California. Allocated to Savaginius by Taylor (1966).
Marstonia stenothyroides Youlou, 1978:42. Early Tertiary, Bohai Coastal Plain, China.
Pyrgulopsis tectoformis Youlou, 1978:37. Early Tertiary, Bohai Coastal Plain, China.
Pyrgulopsis tropidogyra Pilsbry, 1935b:555. Late Pliocene-Early Pleistocene, Santa Clara Lake
beds, west side of Santa Clara Valley near Los Gatos, California.
Hydrobia truckeensis Yen, 1950:186. Pliocene, Truckee Formation, Nevada. Allocated to
Fontelicella by Gregg and Taylor (1965).
Pyrgulopsis vincta Pilsbry, 1934:15. Pliocene, [basal] Tulare Formation, Kettleman Hills, California.
Pyrgulopsis williamsi Hannibal, 1912b:189. Pliocene, Kettleman Lake beds, California.
Amnicola yatesiana Cooper, 1894:171. Late Pliocene-early Pleistocene, Santa Clara Lake beds, San
Jose Mission, California. Allocated to Pyrgulopsis by Hannibal (1912b).
Fluminicola yatesiana utahensis Yen, 1947:273. Pliocene, Salt Lake Formation, near Logan, Utah.
Allocated to Savaginius by Taylor (1966).
Marstonia xinminensis Youlou, 1978:43. Type locality, Early Tertiary, Bohai Coastal Plain, China.
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