original description
(of Ennea michaui Crosse & Fischer, 1863) Crosse, H. & Fischer, P. (1863). Description d'espèces nouvelles de Poulo-Condor (Cochinchine). <em>Journal de Conchyliologie.</em> 11: 269-273., available online at https://biodiversitylibrary.org/page/15338319
page(s): 270, plate 10, fig. 4 [details]
basis of record
Schileyko, A. A. (2011). Check-list of land pulmonate molluscs of Vietnam (Gastropoda: Stylommatophora). <em>Ruthenica.</em> 21(1): 1-68.
page(s): 25 [details]
additional source
Brown, K. (2023). A guide to the hunter shells. Vol. 2. The Streptaxoidea. The Enneinae, Orthogibbinae, Marconiinae, Odontartemoninae, Streptaxinae and the Diapheridae. ConchBooks, Germany.
page(s): 466 [details]
From editor or global species database