''Jinogondolella'' is an extinct

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...

of conodonts.

Mesogondolella ''Mesogondolella'' is an extinct genus of conodonts. The species ''M. daheshenensis'' and ''M. subgracilis'' are from the Permian (probably Wordian) of the Daheshen Formation in China.The age of the Daheshen Formation in Jilin Province based o ...

and Jinogondolella (Conodonta): Multielement definition of the taxa that bracket the basal

Guadalupian The Guadalupian is the second and middle series/epoch of the Permian. The Guadalupian was preceded by the Cisuralian and followed by the Lopingian. It is named after the Guadalupe Mountains of New Mexico and Texas, and dates between 272.95 ± ...

(Middle Permian Series) GSSP. Lance L. Lambert, Bruce R. Wardlaw and Charles M. Henderson,

Palaeoworld ''Palaeoworld'' is a peer-reviewed academic journal with a focus on palaeontology and stratigraphy research in and around China. It was founded in 1991 by the Nanjing Institute of Geology and Palaeontology at the Chinese Academy of Sciences (N ...

, Volume 16, Issues 1–3, January–September 2007, Pages 208–221,

Use in stratigraphy

The top of the

Kungurian In the geologic timescale, the Kungurian is an age or stage of the Permian. It is the latest or upper of four subdivisions of the Cisuralian Epoch or Series. The Kungurian lasted between and million years ago (Ma). It was preceded by the Ar ...

(the base of the

Roadian In the geologic timescale, the Roadian is an age or stage of the Permian. It is the earliest or lower of three subdivisions of the Guadalupian Epoch or Series. The Roadian lasted between and million years ago (Ma). It was preceded by the ...

and the Guadalupian series) is defined as the place in the stratigraphic record where fossils of the species ''Jinogondolella nanginkensis'' first appeared. The base of the

Capitanian In the geologic timescale, the Capitanian is an age or stage of the Permian. It is also the uppermost or latest of three subdivisions of the Guadalupian Epoch or Series. The Capitanian lasted between and million years ago. It was preceded by ...

stage is defined as the place in the stratigraphic record where fossils of the species ''Jinogondolella postserrata'' first appeared. The global reference profile for this stratigraphic boundary is located at Nipple Hill in the southern

Guadalupe Mountains The Guadalupe Mountains ( es, Sierra de Guadalupe) are a mountain range located in West Texas and southeastern New Mexico. The range includes the highest summit in Texas, Guadalupe Peak, , and the "signature peak" of West Texas, El Capitan, both ...

of Texas. The base of the

Wordian In the geologic timescale, the Wordian is an age or stage of the Permian. It is the middle of three subdivisions of the Guadalupian Epoch or Series. The Wordian lasted between and million years ago (Ma). It was preceded by the Roadian and f ...

stage is defined as the place in the stratigraphic record where fossils of the species ''Jinogondolella aserrata'' first appeared. The global reference profile for this stratigraphic boundary is located at Getaway Ledge in the Guadalupe Mountains of Texas.

References

External links

* Ozarkodinida genera Permian conodonts Guadalupian life Cisuralian first appearances Guadalupian genus extinctions {{conodont-stub