original description
(of Pyrula geometra Borson, 1825 †) Borson, S. (1825). Continuazione del Saggio di orittografia Piemontese. <em>Memorie della Reale Accademia delle Scienze di Torino.</em> serie 1, 29:251-318, pl. 19., available online at https://www.biodiversitylibrary.org/page/7654374
page(s): 311 [details]
additional source
Landau B.M., Ceulemans L. & Van Dingenen F. (2018). The upper Miocene gastropods of northwestern France, 2. Caenogastropoda. <em>Cainozoic Research.</em> 18(2): 177-368.
page(s): 339, pl. 168 figs 1-2 [details]
new combination reference
Landau B., Beu A. & Marquet R. (2004). The early Pliocene Gastropoda (Mollusca) of Estepona, southern Spain. Part 5: Tonnoidea, Ficoidea. <em>Palaeontos.</em> 5: 35-102. [details]
From editor or global species database