Traits taxon details
original description
(of Patera (Vesperpatera) K. C. Emberton, 1991) Emberton, K.C. (1991). The genitalic, allozymic and conchological evolution of the Tribe Mesodontini (Pulmonata: Stylommatophora: Polygyridae). Malacologia, 33(1-2): 71-178., available online at https://www.biodiversitylibrary.org/page/13114064 page(s): 154 [details]
original description
(of ) Albers, J. C. (1850). Die Heliceen nach natürlicher Verwandtschaft systematisch geordnet. <em>Berlin: Enslin.</em> 262 pp., available online at https://www.biodiversitylibrary.org/page/11965983 page(s): 96 [details]
basis of record
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): 92 [details]
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