†Endolobus obsoletus Zhao 1954 (mollusk)
Cephalopoda - Nautilida - Koninckioceratidae
Full reference: J. K. Zhao. 1954. Permian cephalopods from Tanchiashan, Hunan. Acta Palaeontologica Sinica 2:1-58
Belongs to Endolobus according to G. H. Xu 1977
Sister taxa: Endolobus hsiangtanensis, Endolobus renfroae
Type specimen: IGAS 7115. Its type locality is Changlingpu, Tanchiashan, Xiangtan County (Chao coll), which is in a Kungurian marginal marine mudstone in China.
Ecology: nektobenthic carnivore
Average measurements (in mm): shell width 13.3, shell diameter 29.5