Lochriea
Appearance
Lochriea Temporal range:
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Genus: | †Lochriea |
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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
References
- ^ Conodont Assemblages from the Heath Formation, Montana. Harold W. Scott, Journal of Paleontology, Vol. 16, No. 3 (May, 1942), pp. 293-300 (Stable URL)
External links
- "Lochriea" at the Encyclopedia of Life
- "Lochriea". Fossilworks. Gateway to the Paleobiology Database. Retrieved 5 July 2016.