Mesogondolella Explained

Mesogondolella is an extinct genus of conodonts.[1]

The species M. daheshenensis and M. subgracilis are from the Permian (probably Wordian) of the Daheshen Formation in China.[2]

The top of the Sakmarian stage (the base of the Artinskian) is defined as the place in the stratigraphic record where fossils of conodont species Sweetognathus whitei and Mesogondolella bisselli first appear.

Notes and References

  1. Mesogondolella and Jinogondolella (Conodonta): Multielement definition of the taxa that bracket the basal Guadalupian (Middle Permian Series) GSSP. Lance L. Lambert, Bruce R. Wardlaw and Charles M. Henderson, Palaeoworld, Volume 16, Issues 1–3, January–September 2007, Pages 208–221,
  2. The age of the Daheshen Formation in Jilin Province based on conodonts. Xiao-dong Zhou, Dong-jin Li, Guang-qi Wang, Xi-qing Sun and Cheng-yuan Wang, Acta Palaeontologica Sinica, 2013, volume 52, issue 3, pages 294–308

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