Time and taphonomy: quantitative estimates of time-averaging and stratigraphic disorder in a shallow marine habitat

Karl Flessa, A. H. Cutler, K. H. Meldahl

Research output: Contribution to journalArticle

165 Citations (Scopus)

Abstract

Examines the radiocarbon age, taphonomic condition and stratigraphic position of shells of the venerid bivalve Chione spp. from the tidal flats of Bahia la Choya, Sonora, Mexico. Shells in Bahia la Choya are time-averaged. Long shell survival is interpreted to be the result of frequent shallow burial. The taphonomic condition of shells varied with environment and taphonomic condition proves to be an unreliable indicator of a shell's time-since-death. Stratigraphic disorder is shown to be a consequence of both time-averaging and physical and biogenic mixing. In order to prevent temporal overlap between successive samples in deposits like Bahia la Choya, sample spacing should not be less than approximately 0.5 m. -from Authors

Original languageEnglish (US)
Pages (from-to)266-286
Number of pages21
JournalPaleobiology
Volume19
Issue number2
StatePublished - 1993

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taphonomy
shell (molluscs)
Ecosystem
shell
habitat
habitats
Burial
Bivalvia
Mexico
tidal flat
bivalve
spacing
spatial distribution
death
sampling

ASJC Scopus subject areas

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

Cite this

Time and taphonomy : quantitative estimates of time-averaging and stratigraphic disorder in a shallow marine habitat. / Flessa, Karl; Cutler, A. H.; Meldahl, K. H.

In: Paleobiology, Vol. 19, No. 2, 1993, p. 266-286.

Research output: Contribution to journalArticle

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