MolluscaBase taxon details
original description
(of Helix (Thelidomus) angulifera E. von Martens, 1877) Martens, E. von. (1877). Land- und Süsswasser-Schnecken von Puerto Rico. <em>Jahrbücher der Deutschen Malakozoologischen Gesellschaft.</em> 4(3): 340-362, pl. 12, figs. 2-8., available online at https://www.biodiversitylibrary.org/page/16297195 page(s): 347-348, pl. 12, fig. 2 [details]
basis of record
Turner, R. D. (1958). The genus <i>Hemitrochus</i> in Puerto Rico. <em>Occasional Papers on Molluscs.</em> 2(22): 153-180., available online at https://www.biodiversitylibrary.org/page/4295373 page(s): 170, pl. 24 figs 3-4, pl. 27 figs 3-4, pl. 28, pl. 30 fig. 1 [details]
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