Lystrosaurus Assemblage Zone

From Wikipedia, the free encyclopedia
Stratigraphy of the Karoo Supergroup in the Karoo Basin
Period Group Formation west of 24°E Formation east of 24°E Assemblage Zone
Jurassic Drakensberg Hiatus Drakensberg
Stormberg Clarens
Triassic Elliot
Molteno
Beaufort
Burgersdorp Cynognathus
Katberg Lystrosaurus
Balfour
Permian Dicynodon
Teekloof
Cistecephalus
Middleton
Tropidostoma
Pristerognathus
Abrahams-Kraal Koonap
Tapinocephalus
Eodicynodon
Ecca Waterford Waterford
Tierberg / Fort Brown Fort Brown
Laingsburg / Ripon Ripon
Collingham Collingham
White Hill White Hill
Prince Albert Prince Albert
Carboniferous Dwyka Elandsvlei Elandsvlei
References: Rubidge (2005),[1] Selden and Nudds (2011).[2]

The Lystrosaurus Assemblage Zone is a geological stratum and a faunal zone of the Beaufort Group, of the South African Karoo. The name refers to Lystrosaurus, a genus of mammal-like reptile, a dominant life form of the Early Triassic Period, whose fossils have been found in that structure.





















Paleobiota

Synapsids

Anomodonts

Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
 Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.
Genus Species Location Stratigraphic position Material Notes Images
Lystrosaurus L. murrayi was very common in the Triassic.it gave its name to the stratigraphic zone
Lystrosaurus murrayi

Therocephalians

Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
 Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.
Genus Species Location Stratigraphic position Material Notes Images
Regisaurus R.jacobi Zeekoeigat, Venterstad almost complete skeleton(the best preserved of all therocephalians) A regisaurid
Regisaurus
Scaloposaurus S. constrictus A regisaurid
Scaloposaurus

Sauropsids

Procolophonomorphs

Color key
Taxon Reclassified taxon Taxon falsely reported as present Dubious taxon or junior synonym Ichnotaxon Ootaxon Morphotaxon
 Notes
Uncertain or tentative taxa are in small text; crossed out taxa are discredited.
Genus Species Location Stratigraphic position Material Notes Images
Procolophon P. trigoniceps A Procolophonid
Procolophon
Sauropareion S. anoplus A Procolophonid

References

  1. ↑ Rubidge, B.S. (2005). "Re-uniting lost continents – Fossil reptiles from the ancient Karoo and their wanderlust". South African Journal of Geology 108 (1): 135–172. doi:10.2113/108.1.135. 
  2. ↑ Selden, P.; and Nudds, J. (2011). "Karoo". Evolution of Fossil Ecosystems (2 ed.). Manson Publishing. pp. 104–122. ISBN 9781840761603. 

External links


This article is issued from Wikipedia. The text is available under the Creative Commons Attribution/Share Alike; additional terms may apply for the media files.