Traits taxon details
original description
Yü, W. (1977). Cretaceous and Early Tertiary non-marine gastropods from South China with their stratigraphical significance. <em>Acta Palaeontologica Sinica.</em> 16(2): 191-213. page(s): 206 [details] Available for editors 
additional source
Li, Y.-T. (1988). The emendation of diagnosis of the land snails <i>Nanxiongospira</i> and <i>Undatornatus</i>. <em>Professional Papers of Stratigraphy and Palaeontology.</em> 20: 155-160. [details]
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