Shell of Muangnua arborea Tumpeesuwan & Tumpeesuwan, sp. nov. (paratype NHMSU-00020) A external view B internal view C periostracum removed from shell of preserved specimen.

 
 
  Part of: Tumpeesuwan C, Tumpeesuwan S (2019) Muangnua arborea, a new semislug (Gastropoda, Stylommatophora, Helicarionidae, Durgellininae) from Loei Province, northeastern Thailand. ZooKeys 894: 19-32. https://doi.org/10.3897/zookeys.894.38327