Evaluating taxonomic turnover

Pennsylvanian-Permian brachiopods and bivalves of the North American Midcontinent

Thomas D. Olszewski, Mark E. Patzkowsky

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Using museum and literature data, we characterize faunal turnover in bivalves and brachiopods of the North American Midcontinent over approximately 12.5 Myr spanning the Pennsylvanian/Permian boundary. The two groups experienced indistinguishable rates of background faunal turnover but differed in the type and timing of elevated turnover episodes. Bivalves underwent an episode of elevated first appearance in the Missourian Series whereas brachiopods underwent an episode of elevated disappearance in the Wolfcampian Series. In neither group does turnover history strongly correlate to long-term changes in basinal lithofacies, which reflect evolution of regional climate. Comparison with other time intervals and basins suggests that magnitude and frequency of turnover episodes during the late Paleozoic was intermediate between the more episodic early Paleozoic and less episodic Mesozoic.

Original languageEnglish (US)
Pages (from-to)646-668
Number of pages23
JournalPaleobiology
Volume27
Issue number4
DOIs
StatePublished - Jan 1 2001

Fingerprint

Bivalvia
Pennsylvanian
brachiopod
bivalve
turnover
Permian
Museums
Climate
History
basins
climate
Paleozoic
history
Wolfcampian
long-term change
lithofacies
regional climate
museum
basin

All Science Journal Classification (ASJC) codes

  • Ecology, Evolution, Behavior and Systematics
  • Ecology
  • Agricultural and Biological Sciences(all)
  • Palaeontology

Cite this

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Evaluating taxonomic turnover : Pennsylvanian-Permian brachiopods and bivalves of the North American Midcontinent. / Olszewski, Thomas D.; Patzkowsky, Mark E.

In: Paleobiology, Vol. 27, No. 4, 01.01.2001, p. 646-668.

Research output: Contribution to journalArticle

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