Mesogondolella
Mesogondolella is an extinct genus of conodonts.
The species M. daheshenensis and M. subgracilis are from the Permian of the Daheshen Formation in China.
The top of the Sakmarian stage is defined as the place in the stratigraphic record where fossils of conodont species Sweetognathus whitei and Mesogondolella bisselli first appear.
