''Chiosella'' is an extinct conodont genus. The base of the

Anisian In the geologic timescale, the Anisian is the lower stage or earliest age of the Middle Triassic series or epoch and lasted from million years ago until million years ago. The Anisian Age succeeds the Olenekian Age (part of the Lower Triassic ...

stage (also the base of the Middle Triassic series and the top of the

Olenekian In the geologic timescale, the Olenekian is an age in the Early Triassic epoch; in chronostratigraphy, it is a stage in the Lower Triassic series. It spans the time between Ma and Ma (million years ago). The Olenekian is sometimes divided i ...

) is sometimes laid at the first appearance of ''Chiosella timorensis'' in the stratigraphic record.The elusive origin of Chiosella timorensis (Conodont Triassic). N Goudemand, MJ Orchard, H Bucher andJ Jenks, Geobios, Volume 45, Issue 2, March–April 2012, Pages 199–207,

References

External links

* * Conodont genera Middle Triassic fish Triassic conodonts Anisian life {{conodont-stub