WoRMS taxon details
Anguispira alternata (Say, 1817)
1351970 (urn:lsid:marinespecies.org:taxname:1351970)
accepted
Species
Anguispira (Anguispira) alternatus (Say, 1817) · unaccepted (incorrect gender ending)
Anguispira (Patula) alternata (Say, 1817) · unaccepted
Anguispira alternata crassa B. Walker, 1928 · unaccepted > junior subjective synonym
Anguispira alternata eriensis (G. H. Clapp, 1916) · unaccepted > junior subjective synonym
Anguispira alternata f. angulata Pilsbry, 1948 · unaccepted
Anguispira alternata var. alba Tryon, 1866 · unaccepted (variety)
Anguispira alternata var. crassa B. Walker, 1928 · unaccepted > junior subjective synonym
Anguispira alternata var. palustris B. Walker, 1928 · unaccepted
Corocolla dubia Sheppard, 1829 · unaccepted
Discus (Anguispira) alternata (Say, 1817) · unaccepted > superseded combination
Helix alternata Say, 1817 · unaccepted (original combination)
Helix alternata var. carinata A. Férussac, 1832 · unaccepted
Helix alternata var. costata J. Lewis, 1871 · unaccepted (junior synonym)
Helix inflecta L. Pfeiffer, 1858 · unaccepted (junior synonym)
Helix scabra Lamarck, 1822 · unaccepted
Patula alternata (Say, 1817) · unaccepted (unaccepted combination)
Pyramidula alternata (Say, 1817) · unaccepted (unaccepted combination)
Pyramidula alternata costata (J. Lewis, 1871) · unaccepted (junior synonym)
Pyramidula alternata var. alba (Tryon, 1866) · unaccepted (color variety)
Pyramidula alternata var. costata (J. Lewis, 1871) · unaccepted (junior synonym)
Pyramidula alternata var. eriensis G. H. Clapp, 1916 · unaccepted > junior subjective synonym
- Subspecies Anguispira alternata alternata (Say, 1817)
- Subspecies Anguispira alternata crassa B. Walker, 1928 accepted as Anguispira alternata (Say, 1817) (unaccepted > junior subjective synonym)
- Subspecies Anguispira alternata eriensis (G. H. Clapp, 1916) accepted as Anguispira alternata (Say, 1817) (unaccepted > junior subjective synonym)
- Forma Anguispira alternata f. angulata Pilsbry, 1948 accepted as Anguispira alternata (Say, 1817)
- Variety Anguispira alternata var. alba Tryon, 1866 accepted as Anguispira alternata (Say, 1817) (variety)
- Variety Anguispira alternata var. crassa B. Walker, 1928 accepted as Anguispira alternata (Say, 1817) (unaccepted > junior subjective synonym)
- Variety Anguispira alternata var. fergusoni (Bland, 1862) accepted as Anguispira fergusoni (Bland, 1862) (unaccepted rank)
- Variety Anguispira alternata var. jessica Kutchka, 1938 accepted as Anguispira jessica Kutchka, 1938
- Variety Anguispira alternata var. macneili B. Walker, 1928 accepted as Anguispira macneilli B. Walker, 1928
- Variety Anguispira alternata var. palustris B. Walker, 1928 accepted as Anguispira alternata (Say, 1817)
- Variety Anguispira alternata var. paucicostata Kutchka, 1938 accepted as Anguispira mordax (Shuttleworth, 1852)
- Variety Anguispira alternata var. smithi B. Walker, 1928 accepted as Anguispira mordax (Shuttleworth, 1852) (unaccepted > junior subjective synonym)
- Variety Anguispira alternata var. carinata (Pilsbry, 1896) (uncertain > taxon inquirendum)
(of Helix alternata Say, 1817) Say, T. (1817). Conchology. - In: Nicholson, W.: American edition of the British Encyclopedia, or, dictionary of arts and sciences comprising an accurate and popular view of the present improved state of human knowledge. First Edition, A-3 - C-6 [= 1-20], pl. [1-4].
page(s): [unpaginated], pl. 1, fig. 2 [details]
page(s): [unpaginated], pl. 1, fig. 2 [details]
MolluscaBase eds. (2025). MolluscaBase. Anguispira alternata (Say, 1817). Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=1351970 on 2025-03-31
The webpage text is licensed under a Creative Commons
Attribution 4.0 License
Nomenclature
original description
(of Helix alternata Say, 1817) Say, T. (1817). Conchology. - In: Nicholson, W.: American edition of the British Encyclopedia, or, dictionary of arts and sciences comprising an accurate and popular view of the present improved state of human knowledge. First Edition, A-3 - C-6 [= 1-20], pl. [1-4].
page(s): [unpaginated], pl. 1, fig. 2 [details]
original description (of Helix scabra Lamarck, 1822) Lamarck, [J.-B. M.] de. (1822). <i>Histoire naturelle des animaux sans vertèbres</i>. Tome sixième, 2me partie, 232 pp. Paris, published by the author. , available online at http://biodiversitylibrary.org/page/13181853
page(s): 88 [details]
original description (of Corocolla dubia Sheppard, 1829) Sheppard, Mrs (1829). On recent shells which characterise Quebec and its environs. Transactions of the Literary and Historical Society of Quebec, 1: 188-198.
page(s): 194 [details]
original description (of Helix inflecta L. Pfeiffer, 1858) Pfeiffer, L. (1858). Neue Landschnecken. <em>Malakozoologische Blätter.</em> 4: 85-89., available online at https://biodiversitylibrary.org/page/15865330
page(s): 86 [details]
original description (of Anguispira (Anguispira) alternatus lawae Pilsbry, 1948) Pilsbry, H. A. (1948). Land Mollusca of North America (north of Mexico). Volume II Part 2. <em>The Academy of Natural Sciences of Philadelphia Monographs.</em> 3: i-xlvii, 521-1113. Philadelphia [19 March].
page(s): 578, fig. 312 [details] Available for editors
[request]
original description (of Helix alternata var. carinata A. Férussac, 1832) Férussac, A. E. J. P. F. d'Audebard de. (1819-1832). Histoire naturelle générale et particulière des mollusques terrestres et fluviatiles tant des espèces que l'on trouve aujourd'hui vivantes, que des dépouilles fossiles de celles qui n'existent plus; classés d'après les caractères essentiels que présentent ces animaux et leurs coquilles. <em>J.-B. Bailliere, Paris.</em> Tome deuxième, première partie. Livraison 1: [3 pp. = dedication], i-xvi (= Préface) (6-III-1819); livr. 2: 1-16 (5-VI-1819); livr. 3: 17-56 (10-VII-1819); livr. 4: 57-72 (18-IX-1819); livr. 5: 73-96 (4-XII-1819); livr. 7: 97-128 (17-VI-1820); livr. 9: xvi pp. (= Explication des planches du premier volume) (6-IV-1821); livr. 17: v pp. (= Explication des planches supplémentaires et de celles qui ne font pas partie du premier volume) (2-XI-1822); livr. 19/21: 96a-z, 96α-λ (27-IX-1823); livr. 22/27: iv pp. (= Explication des planches des livraisons XXII, XXIII, XXIV, XXV, XXVI et XXVII) (4-VIII-1832). – Paris (J.-B. Baillière). Note: continued by G.-P. Deshayes (1839-1851). Explication des planches not included in BHL copy., available online at https://www.biodiversitylibrary.org/page/52469779, https://www.biodiversitylibrary.org/page/52543927
page(s): explicaton planches p. iii, pl. 79, fig. 10 [details]
original description (of Anguispira alternata var. alba Tryon, 1866) Tyron, G.W. (1866). Monograph of the terrestrial Mollusca of the United States. American Journal of Conchology, 2(2): 218-279, plates 1-4.
page(s): 261 [details]
original description (of Helix alternata var. costata J. Lewis, 1871) Lewis, J. (1871). Notes on the land shells of east Tennessee. American Journal of Conchology, 6(3): 188-191, plate 12.
page(s): 188 [details]
original description (of Pyramidula alternata var. eriensis G. H. Clapp, 1916) Clapp, G.H. (1916). Notes on the land-shells of the islands at the western end of Lake Erie and descriptions of new varieties. Annals of the Carnegie Museum, 10: 532-540, plate 32.
page(s): 535, pl. 32, figs. 9-10 [details]
original description (of Anguispira alternata var. palustris B. Walker, 1928) Walker, B. (1928). The terrestrial shell-bearing Mollusca of Alabama. Miscellaneous Publications of the Museum of Zoology, University of Michigan, 18: 1-180.
page(s): 112, fig. 163 [details]
original description (of Anguispira alternata f. angulata Pilsbry, 1948) Pilsbry, H. A. (1948). Land Mollusca of North America (north of Mexico). Volume II Part 2. <em>The Academy of Natural Sciences of Philadelphia Monographs.</em> 3: i-xlvii, 521-1113. Philadelphia [19 March].
page(s): 573, fig. 306b [details] Available for editors [request]
original description (of Anguispira alternata var. crassa B. Walker, 1928) Walker, B. (1928). The terrestrial shell-bearing Mollusca of Alabama. Miscellaneous Publications of the Museum of Zoology, University of Michigan, 18: 1-180.
page(s): 111, fig. 161 [details]
basis of record InvertEBase. (2018). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase (InvertEBase.org) project. [details]
page(s): [unpaginated], pl. 1, fig. 2 [details]
original description (of Helix scabra Lamarck, 1822) Lamarck, [J.-B. M.] de. (1822). <i>Histoire naturelle des animaux sans vertèbres</i>. Tome sixième, 2me partie, 232 pp. Paris, published by the author. , available online at http://biodiversitylibrary.org/page/13181853
page(s): 88 [details]
original description (of Corocolla dubia Sheppard, 1829) Sheppard, Mrs (1829). On recent shells which characterise Quebec and its environs. Transactions of the Literary and Historical Society of Quebec, 1: 188-198.
page(s): 194 [details]
original description (of Helix inflecta L. Pfeiffer, 1858) Pfeiffer, L. (1858). Neue Landschnecken. <em>Malakozoologische Blätter.</em> 4: 85-89., available online at https://biodiversitylibrary.org/page/15865330
page(s): 86 [details]
original description (of Anguispira (Anguispira) alternatus lawae Pilsbry, 1948) Pilsbry, H. A. (1948). Land Mollusca of North America (north of Mexico). Volume II Part 2. <em>The Academy of Natural Sciences of Philadelphia Monographs.</em> 3: i-xlvii, 521-1113. Philadelphia [19 March].
page(s): 578, fig. 312 [details] Available for editors
[request]original description (of Helix alternata var. carinata A. Férussac, 1832) Férussac, A. E. J. P. F. d'Audebard de. (1819-1832). Histoire naturelle générale et particulière des mollusques terrestres et fluviatiles tant des espèces que l'on trouve aujourd'hui vivantes, que des dépouilles fossiles de celles qui n'existent plus; classés d'après les caractères essentiels que présentent ces animaux et leurs coquilles. <em>J.-B. Bailliere, Paris.</em> Tome deuxième, première partie. Livraison 1: [3 pp. = dedication], i-xvi (= Préface) (6-III-1819); livr. 2: 1-16 (5-VI-1819); livr. 3: 17-56 (10-VII-1819); livr. 4: 57-72 (18-IX-1819); livr. 5: 73-96 (4-XII-1819); livr. 7: 97-128 (17-VI-1820); livr. 9: xvi pp. (= Explication des planches du premier volume) (6-IV-1821); livr. 17: v pp. (= Explication des planches supplémentaires et de celles qui ne font pas partie du premier volume) (2-XI-1822); livr. 19/21: 96a-z, 96α-λ (27-IX-1823); livr. 22/27: iv pp. (= Explication des planches des livraisons XXII, XXIII, XXIV, XXV, XXVI et XXVII) (4-VIII-1832). – Paris (J.-B. Baillière). Note: continued by G.-P. Deshayes (1839-1851). Explication des planches not included in BHL copy., available online at https://www.biodiversitylibrary.org/page/52469779, https://www.biodiversitylibrary.org/page/52543927
page(s): explicaton planches p. iii, pl. 79, fig. 10 [details]
original description (of Anguispira alternata var. alba Tryon, 1866) Tyron, G.W. (1866). Monograph of the terrestrial Mollusca of the United States. American Journal of Conchology, 2(2): 218-279, plates 1-4.
page(s): 261 [details]
original description (of Helix alternata var. costata J. Lewis, 1871) Lewis, J. (1871). Notes on the land shells of east Tennessee. American Journal of Conchology, 6(3): 188-191, plate 12.
page(s): 188 [details]
original description (of Pyramidula alternata var. eriensis G. H. Clapp, 1916) Clapp, G.H. (1916). Notes on the land-shells of the islands at the western end of Lake Erie and descriptions of new varieties. Annals of the Carnegie Museum, 10: 532-540, plate 32.
page(s): 535, pl. 32, figs. 9-10 [details]
original description (of Anguispira alternata var. palustris B. Walker, 1928) Walker, B. (1928). The terrestrial shell-bearing Mollusca of Alabama. Miscellaneous Publications of the Museum of Zoology, University of Michigan, 18: 1-180.
page(s): 112, fig. 163 [details]
original description (of Anguispira alternata f. angulata Pilsbry, 1948) Pilsbry, H. A. (1948). Land Mollusca of North America (north of Mexico). Volume II Part 2. <em>The Academy of Natural Sciences of Philadelphia Monographs.</em> 3: i-xlvii, 521-1113. Philadelphia [19 March].
page(s): 573, fig. 306b [details] Available for editors
[request]original description (of Anguispira alternata var. crassa B. Walker, 1928) Walker, B. (1928). The terrestrial shell-bearing Mollusca of Alabama. Miscellaneous Publications of the Museum of Zoology, University of Michigan, 18: 1-180.
page(s): 111, fig. 161 [details]
basis of record InvertEBase. (2018). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase (InvertEBase.org) project. [details]
Other
additional source
Tryon, G. W. (1866). Monograph of the terrestrial Mollusca of the United States. <em>American Journal of Conchology.</em> 2(3): 218-279, pls 1-4 [1 July]; 2(4): 306-327, pls 5-6 [6 October]., available online at https://biodiversitylibrary.org/page/6660487
page(s): 261, pl. 4, fig. 47 [details]
additional source Archer, A. F. (1934). Sinistral land snails from Ann Arbor, Michigan. <em>The Nautilus.</em> 47(4): 148-149., available online at https://www.biodiversitylibrary.org/page/8522737 [details]
additional source Jones, D. T. (1935). Burrowing of snails. <em>The Nautilus.</em> 48(4): 140-142., available online at https://www.biodiversitylibrary.org/page/8520985 [details]
additional source Ross, J. (1946). Sinistral <i>Anguispira alternata</i>. <em>The Nautilus.</em> 60(1): 35., available online at https://www.biodiversitylibrary.org/page/8523712 [details]
additional source Cookson, E. A. (1982). The comparative morphology and histoloy of the penial apparatus in three pulmonate gastropod species. <em>Bios.</em> 53(2): 73-84. [details]
additional source Solem, A. (1953). Scalariform <i>Anguispira</i> and <i>Triodopsis</i>. <em>The Nautilus.</em> 67(1): 18-20, pl. 1, fig. 7 (upper and lower figs.)., available online at https://www.biodiversitylibrary.org/page/8514644 [details]
additional source Rawls, H. C. & Yates, R. L. (1971). Fluorescence in endodontid snails. <em>The Nautilus.</em> 85(1): 17-20., available online at https://www.biodiversitylibrary.org/page/8516113 [details]
additional source Solem, A. (1976). Species criteria in <i>Anguispira</i> (<i>Anguispira</i>) (Pulmonata: Discidae). <em>The Nautilus.</em> 90(1): 15-23, figs. 1-18., available online at https://www.biodiversitylibrary.org/page/8276373 [details]
page(s): 261, pl. 4, fig. 47 [details]
additional source Archer, A. F. (1934). Sinistral land snails from Ann Arbor, Michigan. <em>The Nautilus.</em> 47(4): 148-149., available online at https://www.biodiversitylibrary.org/page/8522737 [details]
additional source Jones, D. T. (1935). Burrowing of snails. <em>The Nautilus.</em> 48(4): 140-142., available online at https://www.biodiversitylibrary.org/page/8520985 [details]
additional source Ross, J. (1946). Sinistral <i>Anguispira alternata</i>. <em>The Nautilus.</em> 60(1): 35., available online at https://www.biodiversitylibrary.org/page/8523712 [details]
additional source Cookson, E. A. (1982). The comparative morphology and histoloy of the penial apparatus in three pulmonate gastropod species. <em>Bios.</em> 53(2): 73-84. [details]
additional source Solem, A. (1953). Scalariform <i>Anguispira</i> and <i>Triodopsis</i>. <em>The Nautilus.</em> 67(1): 18-20, pl. 1, fig. 7 (upper and lower figs.)., available online at https://www.biodiversitylibrary.org/page/8514644 [details]
additional source Rawls, H. C. & Yates, R. L. (1971). Fluorescence in endodontid snails. <em>The Nautilus.</em> 85(1): 17-20., available online at https://www.biodiversitylibrary.org/page/8516113 [details]
additional source Solem, A. (1976). Species criteria in <i>Anguispira</i> (<i>Anguispira</i>) (Pulmonata: Discidae). <em>The Nautilus.</em> 90(1): 15-23, figs. 1-18., available online at https://www.biodiversitylibrary.org/page/8276373 [details]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
