Original figure by Forcart (1935, p. 421), Gastrocopta armigerella masendarensis from Meshhediser (northern Iran) in comparison with Gastrocopta theeli, topotype (shell from type locality Yeniseysk), Senckenberg Museum.

 
 
  Part of: Meng S, Bößneck U (2018) Gastrocopta armigerella (Reinhardt, 1877) and Gastrocopta theeli (Westerlund, 1877) in western Tien Shan, Kyrgyzstan, and their further occurrence in Asia (Mollusca, Gastropoda, Pupilloidea). ZooKeys 807: 1-11. https://doi.org/10.3897/zookeys.807.29113