Different views of voucher specimens of Ennea serrata d’Ailly, 1896 from Musake Haus, Mount Cameroon (A–E ZMB 101777) and E. nigeriensis sp. n. (F–J and K–M RMNH.MOL.341195). Scale bar: 2 mm.

 
 
  Part of: de Winter AJ, de Gier W (2019) A new Nigerian hunter snail species related to Ennea serrata d’Ailly, 1896 (Gastropoda, Pulmonata, Streptaxidae) with notes on the West African species attributed to Parennea Pilsbry, 1919. ZooKeys 840: 21-34. https://doi.org/10.3897/zookeys.840.33878