Wolff, W. (1897). Die Fauna der südbayerischen Oligocaenmolasse. <em>Palaeontographica.</em> 43(4-5): 223-311, pls. 20-28. Stuttgart., available online athttps://www.biodiversitylibrary.org/page/33267394 page(s): 259-260, pl. 28, fig. 29 [details]
original descriptionWolff, W. (1897). Die Fauna der südbayerischen Oligocaenmolasse. <em>Palaeontographica.</em> 43(4-5): 223-311, pls. 20-28. Stuttgart., available online athttps://www.biodiversitylibrary.org/page/33267394 page(s): 259-260, pl. 28, fig. 29 [details]