Land Snails of Southern Illinois

Please note: this page is under construction. Please check back again, and continue to do so, as it will be a work in progress. Plans include photos for species, indication of which are introduced, endangered or found only as fossils.

Systematic Checklist for counties:
St. Clair, Monroe, Randolph, Jackson, Union, Alexander
(according to Bouchet & Rocroi, 2005, Classification and Nomenclature of Gastropod Families. Malacologia 47 (1-2): 1-397.)

This checklist comprises the species found in these counties according to Baker (1939), Hubricht (1985) and Hutchison (1989) (see three previous collectors), as well as new records for these counties found in this study by Marla L. Coppolino.

Blue-lined names can be clicked on to see images.

Helicinidae

• Hendersonia occulta (Say, 1831) - Pleistocene fossil

Pomatiopsidae

• Pomatiopsis lapidaria (Say, 1817)

Lymnaeidae

• Fossaria obrussa (Say, 1825)

Ellobiidae

• Carychium exiguum (Say, 1822)
• Carychium exile Lea, 1842

Succineidae

• Catinella gelida (Baker, 1927) - Pleistocene fossil
• Catinella vagans (Pilsbry, 1900)
• Catinella vermeta (Say, 1824)
• Novisuccinea ovalis (Say, 1817)
• Oxyloma retusum (Lea, 1834)
• Oxyloma peoriense (Wolf, 1894)
• Oxyloma salleanum (Pfeiffer, 1849)
• Succinea bakeri Hubricht, 1963 - Pleistocene fossil
• Succinea chittenangoensis Pilsbry, 1908 - Pleistocene fossil
• Succinea grosvenori Lea, 1864

Cochlicopidae

• Cochlicopa lubrica (Muller, 1774)
• Cochlicopa lubricella (Porro, 1838) - Pleistocene fossil
• Cochlicopa morseana (Doherty, 1878)

Pupillidae

• Pupoides albilabris (C.B. Adams, 1841)

Strobilopsidae

• Strobilops aeneus Pilsbry, 1926
• Strobilops labyrinthicus (Say, 1817)

Valloniidae

• Vallonia gracilicosta Reinhardt, 1883 - Pleistocene fossil
• Vallonia parvula Sterki, 1893
• Vallonia perspectiva Sterki, 1893
• Vallonia pulchella (Muller, 1774)

Vertiginidae

• Columella columella alticola (Ingersoll, 1875) - Pleistocene fossil
• Columella simplex (Gould, 1841)
• Gastrocopta abbreviata (Sterki, 1909)
• Gastrocopta armifera (Say, 1821)
• Gastrocopta contracta (Say, 1822)
• Gastrocopta corticaria (Say, 1816)
• Gastrocopta holzingeri (Sterki, 1889)
• Gastrocopta pentodon (Say, 1822)
• Gastrocopta procera (Gould, 1840)
• Gastrocopta rogersensis Nekola & Coles, 2001
• Gastrocopta similis (Sterki, 1909)
• Gastrocopta tappaniana (C.B. Adams, 1842)
• Vertigo elatior Sterki, 1894 - Pleistocene fossil
• Vertigo gouldi (A. Binney, 1843)
• Vertigo hubrichti Pilsbry, 1934 - Pleistocene fossil
• Vertigo milium (Gould, 1840)
• Vertigo modesta (Say, 1824) - Pleistocene fossil
• Vertigo ovata Say, 1822
• Vertigo teskeyae Hubricht, 1961
• Vertigo tridentata Wolf, 1870

Orthalicidae

• Rabdotus dealbatus dealbatus (Say, 1821)

Haplotrematidae

• Haplotrema concavum (Say, 1821)

Punctidae

• Punctum minutissimum (Lea, 1841)
• Punctum vitreum (H.B. Baker, 1830)

Discidae

• Anguispira alternata (Say, 1816)
• Anguispira kochi (L. Pfeiffer, 1845)
• Discus patulus (Deshayes, 1830)
• Discus macclintocki (Baker, 1928) - Pleistocene fossil
• Discus shimeki (Pilsbry, 1890) - Pleistocene fossil
• Discus whitneyi (Newcomb, 1864)

Helicodiscidae

• Helicodiscus notius notius Hubricht, 1962
• Helicodiscus parallelus (Say, 1817)
• Lucilla inermis H.B. Baker, 1929
• Lucilla singleyana (Pilsbry, 1889)

Gastrodontidae

• Striatura milium (Morse, 1859) - Pleistocene fossil
• Striatura meridionalis (Pilsbry & Ferriss, 1906)
• Ventridens demissus (A. Binney, 1843)
• Ventridens ligera (Say, 1821)
• Zonitoides arboreus (Say, 1816)

Euconulidae

• Euconulus chersinus (Say, 1821)
• Euconulus fulvus (Muller, 1774)
• Euconulus trochulus (Reinhardt, 1883)
• Guppya sterkii (Dall, 1888)

Oxychilidae

• Glyphyalinia indentata (Say, 1823)
• Glyphyalinia wheatleyi (Bland, 1883)
• Mesomphix cupreus (Rafinesque, 1831)
• Mesomphix friabilis (W.G. Binney, 1857)
• Mesomphix vulgatus H.B. Baker, 1933
• Nesovitrea electrina (Gould, 1841)
• Paravitrea capsella (Gould, 1851)
• Paravitrea significans (Bland, 1866)

Pristilomatidae

• Hawaiia alachuana (Dall, 1885) - Pleistocene fossil
• Hawaiia minuscula (Binney, 1841)

Limacidae

• Lehmannia valentiana (Ferussac, 1821)
• Limax maximus Linnaeaus, 1758

Agriolimacidae

• Deroceras laeve (Muller, 1774)
• Deroceras reticulatum (Muller, 1774)

Arionidae

• Arion intermedius Normand, 1852
• Arion subfuscus (Draparnaud, 1805)

Philomycidae

• Megapallifera mutabilis (Hubricht, 1951)
• Megapallifera ragsdalei (Webb, 1950)
• Megapallifera wetherbyi (W.G. Binney, 1874)
• Pallifera fosteri F.C. Baker, 1939
• Philomycus carolinianus (Bosc, 1802)

Polygyridae

• Allogona profunda (Say, 1821) - Pleistocene fossil
• Daedalochila leporina (Gould, 1848)
• Euchemotrema fraternum fraternum (Say, 1824)
• Euchemotrema hubrichti (Pilsbry, 1940)
• Euchemotrema leai aliciae (Pilsbry, 1893)
• Euchemotrema leai leai (A. Binney, 1841) - Pleistocene fossil
• Inflectarius inflectus (Say, 1821)
• Mesodon clausus (Say, 1821)
• Mesodon elevatus (Say, 1821)
• Mesodon thyroidus (Say, 1816)
• Mesodon zaletus (Binney, 1837)
• Millerelix dorfeuilliana (Lea, 1838)
• Neohelix alleni (Weatherby & Sampson, 1883)
• Patera pennsylvanica (Green, 1827)
• Stenotrema barbatum (Clapp, 1904)
• Triodopsis discoidea (Pilsbry, 1904)
• Triodopsis vulgata Pilsbry, 1940
• Webbhelix multilineata (Say, 1821)
• Xolotrema denotatum (Ferussac, 1821)
• Xolotrema fosteri (F.C. Baker, 1921)