original description
(of Cyclas similis 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. 9 [details]
original description
(of Cyclas sarratogea Lamarck, 1818) Lamarck, J.B. (1818). [volume 5 of] Histoire naturelle des Animaux sans Vertèbres, préséntant les caractères généraux et particuliers de ces animaux, leur distribution, leurs classes, leurs familles, leurs genres, et la citation des principales espèces qui s'y rapportent; precedes d'une Introduction offrant la determination des caracteres essentiels de l'Animal, sa distinction du vegetal et desautres corps naturels, enfin, l'Exposition des Principes fondamentaux de la Zoologie. <em>Paris, Deterville.</em> vol 5: 612 pp., available online at http://biodiversitylibrary.org/page/12886879
page(s): 560 [details]
original description
(of Cyclas sulcata Lamarck, 1818) Lamarck, J.B. (1818). [volume 5 of] Histoire naturelle des Animaux sans Vertèbres, préséntant les caractères généraux et particuliers de ces animaux, leur distribution, leurs classes, leurs familles, leurs genres, et la citation des principales espèces qui s'y rapportent; precedes d'une Introduction offrant la determination des caracteres essentiels de l'Animal, sa distinction du vegetal et desautres corps naturels, enfin, l'Exposition des Principes fondamentaux de la Zoologie. <em>Paris, Deterville.</em> vol 5: 612 pp., available online at http://biodiversitylibrary.org/page/12886879
page(s): 560 [details]
original description
(of Cyclas (Amesoda) lasmampsis Rafinesque, 1820) Rafinesque C.S. (1820). Monographie des coquilles bivalves et fluviatiles de la Rivière Ohio, contenant douze genres et soixante-huit espéces. <em>Annales Générales des Sciences Physiques.</em> 5(5): 287-322, pls 80-82., available online at http://gallica.bnf.fr/ark:/12148/bpt6k991081/f2.image
page(s): 319, pl. 82, figs. 19-21 [details]
original description
(of Cyclas solida DeKay, 1843) De Kay, J. E. (1843). Mollusca. Zoology of New-York, or the New-York fauna; comprising detailed descriptions of all the animals hitherto observed within the State of New-York; with brief notices of those occasionally found near its borders; and accompanied by appropriate illustrations. Carroll and Cook, Albany, New York. Part 5, pp. 1-271, plates 1-40., available online at http://biodiversitylibrary.org/page/2022507
page(s): 222, pl. 25, fig. 265 [details]
original description
(of Cyclas gigantea Prime, 1852) Prime, T. (1852). New species of Cycladidae, with descriptions. <em>Proceedings of the Boston Society of Natural History.</em> 4(10-11): 155-165., available online at http://biodiversitylibrary.org/page/8870865
page(s): 159 [details]
original description
(of Cyclas ponderosa Prime, 1852) Prime, T. (1852). New species of Cycladidae, with descriptions. <em>Proceedings of the Boston Society of Natural History.</em> 4(10-11): 155-165., available online at http://biodiversitylibrary.org/page/8870865
page(s): 159 [details]
original description
(of Sphaerium crassum Sterki, 1901) Sterki, V. (1901). New North American Sphaeria. <em>The Nautilus.</em> 14(12): 140-142 [April]., available online at http://biodiversitylibrary.org/page/1731653
page(s): 140-141 [details]
original description
(of Sphaerium fallax Sterki, 1930) Sterki, V. (1930). <i>Sphaerium</i> Scopoli; <i>Sulcastrum</i>, new subgenus, and <i>S. fallax</i>, new species. <em>The Nautilus.</em> 43(3): 93-95., available online at http://biodiversitylibrary.org/page/8515143
page(s): 93 [details]
original description
(of Sphaerium lineatum Sterki, 1910) Sterki, V. (1910). New species of Sphaeriidae. <em>The Nautilus.</em> 23(11): 142-143., available online at http://biodiversitylibrary.org/page/5314535 [details]
original description
(of Sphaerium sulcatum var. albescens Sterki, 1916) Sterki, V. (1916). A preliminary catalog of the North American Sphaeriidae. <em>Annals of the Carnegie Museum.</em> 10(3-4): 429-477., available online at http://biodiversitylibrary.org/page/9967882
page(s): 432 [details]
original description
(of Sphaerium sulcatum var. insigne Sterki, 1916) Sterki, V. (1916). A preliminary catalog of the North American Sphaeriidae. <em>Annals of the Carnegie Museum.</em> 10(3-4): 429-477., available online at http://biodiversitylibrary.org/page/9967882
page(s): 432 [details]
original description
(of Sphaerium sulcatum var. planatum Sterki, 1916) Sterki, V. (1916). A preliminary catalog of the North American Sphaeriidae. <em>Annals of the Carnegie Museum.</em> 10(3-4): 429-477., available online at http://biodiversitylibrary.org/page/9967882
page(s): 432 [details]
basis of record
Mackie, G. L. (2007). Biology of freshwater corbiculid and sphaeriid clams of North America. <em>Ohio Biological Survey Bulletin New Series.</em> 15 (3: i-ix): 1-436. [details]
additional source
InvertEBase. (2015). Authority files of U.S. and Canadian land and freshwater mollusks developed for the InvertEBase project (invertebase.org). [details]
additional source
Walker, B. (1896). On certain abnormal sphaeria. <em>The Nautilus.</em> 9(12): 135-137., available online at https://www.biodiversitylibrary.org/page/1731484 [details]
additional source
Gilmore, R. J. (1917). Notes on reproduction and growth in certain viviparous mussels of the family Sphaeriidae. <em>The Nautilus.</em> 31(1): 16-30, pls. 4-6., available online at https://www.biodiversitylibrary.org/page/42799722 [details]
additional source
Athearn, H. D. (1971). <i>Sphaerium simile</i> (Say) in Tennessee. <em>The Nautilus.</em> 85(1): iii (end of issue)., available online at https://www.biodiversitylibrary.org/page/8516133 [details]
From editor or global species database
Distribution North America: USA and Canada [details]
From editor or global species database
From other sources