original description
(of Helix (Helicodonta) texasiana S. Moricand, 1834) Moricand, S. (1834). Note sur quelques espèces nouvelles de coquilles terrestres. <em>Mémoires de la Société de physique et d'histoire naturelle de Genève.</em> 6 (2): 537-543 ["1833"]., available online at https://biodiversitylibrary.org/page/10403620
page(s): 538, pl. 1. Fig. 2 [details]
original description
(of Triodopsis tridonta H. Beck, 1837) Beck, H. (1837-1838). <i>Index molluscorum praesentis aevi musei principis augustissimi Christiani Frederici</i>. 124 pp. Hafniae [Copenhagen]. Pp. 1-100 [1837]; 101-124 [1838]; Appendix: 1-8 [June 1837]. , available online at https://biodiversitylibrary.org/page/32058074
page(s): 22 [details]
original description
(of Polygyra texasensis Pilsbry, 1902) Pilsbry, H. A. (1902). New American land shells. <em>The Nautilus.</em> 16(3): 30-33., available online at https://www.biodiversitylibrary.org/page/1754303
page(s): 31 [details]
original description
(of Polygyra texasiana hyperolia, Pilsbry & Ferriss, 1906) Pilsbry, H. A. & Ferriss, J. H. (1906). Mollusca of the Southwestern States. II. <em>Proceedings of the Academy of natural Sciences of Philadelphia.</em> 58: 123-160 [20 June 1906], 161-175, pls 5-9 [24 July 1906]., available online at https://www.biodiversitylibrary.org/page/24706972
page(s): 128, pl. 5, figs. 13-15 [details]
original description
(of Polygyra texasiana tillandsiae T. D. A. Cockerell, 1917) Cockerell, T. D. A. (1917). An arboreal <i>Polygyra</i>. <em>The Nautilus.</em> 31(1): 36., available online at https://www.biodiversitylibrary.org/page/42799754
page(s): 36 [details]
basis of record
Thompson, F. G. (2011). An annotated checklist and bibliography of the land and freshwater snails of México and Central America. <em>Florida Museum of Natural History Bulletin.</em> 50(1): 1-299. [details] Available for editors [request]
additional source
Emberton, K. C. (1995). When shells do not tell: 145 million years of evolution in North America's polygyrid land snails, with a revision and conservation priorities. <em>Malacologia.</em> 37(1): 69-110. Ann Arbor., available online at https://www.biodiversitylibrary.org/page/13113494
page(s): 90 [details]
From editor or global species database