Lochriea

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Lochriea
Temporal range: Visean–Serpukhovian
Scientific classification
Kingdom:
Animalia
Phylum:
Chordata
Class:
†Conodonta
Genus:
†Lochriea

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". Fossilworks. Gateway to the Paleobiology Database. Retrieved 5 July 2016.
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