Lochriea
# Lochriea

Lochriea is an extinct genus of conodonts.

## Use in stratigraphy

The Visean, the second age of the Mississippian, contains four conodont biozones, two of which are named after Lochriea species:

* the zone of Lochriea nodosa
* the zone of Gnathodus bilineatus
* the zone of Lochriea commutata
* the zone of Pseudognathodus homopunctatus

The Serpukhovian, the third or youngest age of the Mississippian, includes three conodont biozones, one of which is named after Lochriea species:

* the zone of Gnathodus postbilineatus
* the zone of Gnathodus bollandensis
* the zone of Lochriea ziegleri
