Sequence stratigraphy, cyclic facies, and lagerstätten in the Middle Cambrian Wheeler and Marjum Formations, Great Basin, Utah

Brett, Carlton E.; Allison, Peter A.; DeSantis, Michael K.; Liddell, W. D.; Kramer, Anthony

doi:10.1016/j.palaeo.2009.02.010

Cited by 61 publications

(50 citation statements)

References 36 publications

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“…Considering benthic macro-invertebrates in a marine setting, Brett (1995) and Brett et al (2009) suggested that Konservat/Konzentrat Lagerstätten are frequently associated with rapid burial and or anoxia and are, consequently, characteristic of the transgressive to early high-stand interval of a sequence. Both Konservat and Konzentrat Lagerstätte horizons of the Escuminac Formation fit with this model.…”

Section: Konservat and Konzentrat Fossil-lagerstätten Within The Escumentioning

confidence: 99%

“…According to Brett et al (2009), it is critical that taphonomic and palaeoecological studies of extraordinary fossil assemblages be placed in a sequence stratigraphic context, as this is the only way to gain a predictive understanding of where and when such biotas may occur. We will address the questions of whether the Escuminac palaeodiversity signature is lithofacies dependent, taphofacies dependent or sequence-dependent.…”

Section: Introductionmentioning

confidence: 99%

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The Miguasha Fossil-Fish-Lagerstätte: a consequence of the Devonian land–sea interactions

Cloutier

Proust

Tessier

2011

Palaeobio Palaeoenv

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The evolution of vertebrate assemblages in terms of fluctuating environments has rarely been investigated for the Devonian period. Variation of biodiversity (richness, abundance and species composition) in the diverse Devonian fish assemblage of the Escuminac Formation (Quebec, Canada) is analysed in response to changes in lithofacies, depositional environment and taphonomy through time. Five sequences within an inner wave-dominated estuary show shifts in continentalisation. Although a ubiquitous fish assemblage is identified throughout the formation, species are more diversified and species composition is better structured during relative sea-level rise than during still-stand and relative sea-level fall. Konservat and Konzentrat FossilLagerstätte horizons occur in the transgressive phase of the sequences.

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Section: Konservat and Konzentrat Fossil-lagerstätten Within The Escumentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The Miguasha Fossil-Fish-Lagerstätte: a consequence of the Devonian land–sea interactions

Cloutier

Proust

Tessier

2011

Palaeobio Palaeoenv

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“…As Lagerstätten are non-randomly distributed through time, both at coarse (Allison & Briggs 1993) and fine scales (e.g. Brett et al 2009), this could seriously distort biodiversity counts. Improving our understanding of how Lagerstätten are distributed within a sequence stratigraphic framework (e.g.…”

Section: Fossil Recordmentioning

confidence: 99%

“…Improving our understanding of how Lagerstätten are distributed within a sequence stratigraphic framework (e.g. Brett et al 2009) and taking Lagerstätten distribution into account when analysing diversity (e.g. , are important areas for future development.…”

Section: Fossil Recordmentioning

confidence: 99%

The ties linking rock and fossil records and why they are important for palaeobiodiversity studies

Smith

McGowan

2011

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A correlation exists between the quality of the rock record and the diversity of fossils recorded from that rock record but what drives that correlation, and how consistent that correlation is across different environments, remain to be determined. Palaeontologists wishing to investigate past diversity patterns need to first address issues of geological bias in their data.The fossil record provides the only empirical evidence of how life has diversified over geological time, but it needs to be interpreted with caution.

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“…The middle Cambrian (Series 3, Stage 5) Spence Shale Member of the Langston Formation is one such deposit, containing a diverse array of soft-bodied taxa, trilobites, and other shelly organisms (e.g., Briggs et al, 2008;Gaines et al, 2008Gaines et al, , 2012Brett et al, 2009;Halgedahl et al, 2009). Discoveries from this unit have provided useful insights into the phylogeny, ecology, and biogeography of Cambrian life (e.g., Robison and Babcock, 2011;Stein et al, 2011;Daley et al, 2013;Conway Morris et al, 2015;LoDuca et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

The stalked filter feederSiphusauctum lloydguntherin. sp. from the middle Cambrian (Series 3, Stage 5) Spence Shale of Utah: its biological affinities and taphonomy

Kimmig¹,

Strotz²,

Lieberman³

2017

J. Paleontol.

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Abstract.-We describe a new species of enigmatic stalked filter feeder, Siphusauctum lloydguntheri, from the middle Cambrian (Series 3, Stage 5) Antimony Canyon locality of the Spence Shale of northern Utah. The described specimen is the only one known from the Spence Shale, represents the first occurrence of Siphusauctum outside the Burgess Shale, and is only the second described species from the genus. Siphusauctum lloydguntheri n. sp. differs from S. gregarium O'Brien and Caron, 2012 in the shape of its calyx and the position of the digestive tract. The new species provides some additional information about the possible affinities of enigmatic stalked Cambrian filter feeders, as well as the taphonomic pathways that lead to preservation of Siphusauctum.

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Sequence stratigraphy, cyclic facies, and lagerstätten in the Middle Cambrian Wheeler and Marjum Formations, Great Basin, Utah

Cited by 61 publications

References 36 publications

The Miguasha Fossil-Fish-Lagerstätte: a consequence of the Devonian land–sea interactions

The Miguasha Fossil-Fish-Lagerstätte: a consequence of the Devonian land–sea interactions

The ties linking rock and fossil records and why they are important for palaeobiodiversity studies

The stalked filter feederSiphusauctum lloydguntherin. sp. from the middle Cambrian (Series 3, Stage 5) Spence Shale of Utah: its biological affinities and taphonomy

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