Fotos: (1,2) Museu Nacional de História Natural, Paris: SYNTYPE MNHN-IM-2000-28148, Coll. Férussac 1837, Coll. Cuming- Parreys, “Baie de Panama, Ile aux Perles”
Fontes:
Descrição original: (comoBulinus vexillum Broderip, 1832) Broderip, W. J. & Sowerby, G. B. I. (1832-1833). [Descriptions of new species of shells from the collection formed by Mr. Cuming on the western coast of South America, and among the islands of the southern Pacific Ocean.]. Proceedings of the Committee of Science and correspondence of the Zoological Society of London. Part II for 1832: 25–33 [21 April 1832], 50-61 [5 June 1832], 104–108 [31 July 1832], 113–120 [14 August 1832]; 173–179 [14 Jan. 1833], 194–202 [13 March 1833]., disponível online em https://www.biodiversitylibrary.org/page/26730700
página(s): 105
Descrição original: (como Bulimulus alternans H. Beck, 1837) Beck, H. (1837-1838). Index molluscorum praesentis aevi musei principis augustissimi Christiani Frederici. 124 pp. Hafniae [Copenhagen]. Pp. 1-100 [1837]; 101-124 [1838]; Appendix: 1-8 [June 1837]. , dispnível online em https://biodiversitylibrary.org/page/32058074
página(s): 65