Traits taxon details
original description
(of Phasianella angulosa J. Sowerby, 1817 †) Sowerby, J. (1815-1818). The mineral conchology of Great Britain; or coloured figures and descriptions of those remains of testaceous animals or shells, which have been preserved at various times and depths in the earth [Vol. II]. London, privately published, pp. 1-235 + index, errata and addenda [3 pp.] + supplementary index to vol. II, pp. 240-251; pl. 103-233. , available online at http://www.biodiversitylibrary.org/item/210427 page(s): 168, pl. 175, fig. 2 [details] 
basis of record
Starobogatov, Ya. I. (1986). Generic composition of the family Viviparidae (Gastropoda Pectinibranchia Vivipariformes). In: Starobogatov, Ya. I. (Ed.), New data on the taxonomy and ecology of molluscs. <em>Trudy Zoologicheskogo Instituta Akademii Nauk SSSR.</em> 135 [1985]: 26-32. Leningrad [31 January]. [in Russian]. page(s): 27 [details]
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