Lochriea

Lochriea Temporal range: Visean–Serpukhovian PreЄ Є O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	†Conodonta
Genus:	†Lochriea Scott 1942[1]
Species
†Lochriea commutata †Lochriea cruciformis †Lochriea homopunctata †Lochriea mononodosa †Lochriea montanaensis (type) †Lochriea nodosa †Lochriea ziegleri

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 contain Lochriea species:

• the zone of Lochriea nodosa
• the zone of Lochriea mononodosa
• the zone of Gnathodus bilineatus
• the zone of Gnathodus texanus

The Serpukhovian, the third or youngest age of the Mississippian, includes four conodont biozones, two of which contain Lochriea species:

• the zone of Gnathodus postbilineatus
• the zone of Gnathodus bollandensis
• the zone of Lochriea cruciformis
• the zone of Lochriea ziegleri

References

1. 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 at fossilworks.org (retrieved 5 July 2016)