Lochriea
Extinct genus of jawless fishes
From Wikipedia, the free encyclopedia
Lochriea is an extinct genus of conodonts.
| Lochriea Temporal range: | |
|---|---|
| Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Infraphylum: | Agnatha |
| Class: | †Conodonta |
| Order: | †Ozarkodinida |
| Superfamily: | †Polygnathacea |
| Genus: | †Lochriea Scott, 1942[1] |
| Species[citation needed] | |
| |
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