The stalked filter feeder Siphusauctum lloydguntheri n. sp. from the middle Cambrian (Series 3, Stage 5) Spence Shale of Utah: its biological affinities and taphonomy
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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 ofSiphusauctumoutside the Burgess Shale, and is only the second described species from the genus.Siphusauctum lloydguntherin. sp. differs fromS.gregariumO’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 ofSiphusauctum.
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Siphusauctum lloydguntheri occurs in the Spence Shale in Utah.
“A second species, S. lloydguntheri, occurs in the Spence Shale in Utah [38”
From Cambrian Sessile, Suspension Feeding Stem-Group Ctenophores and Evolution of the Comb Jelly Body Plan (2019) · cites this paper as [38]
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- Authors
- Kimmig, J., Strotz, L. C., & Lieberman, B. S.
- Affiliations
- University of Kansas (US)
- Venue
- Journal of Paleontology
- Publisher
- Cambridge University Press (CUP)
- Published
- 2017-08-07
- Volume
- 91
- Issue
- 5
- Pages
- 902-910
- ISSN
- 0022-3360 (ISSN-L)
- 1937-2337
- OpenAlex
- W2745239937
- Cited by
- 13
- References
- 43
- Citations by year
- 2025: 2 · 2024: 1 · 2023: 2 · 2022: 1 · 2021: 2 · 2020: 2 · 2019: 2 · 2018: 1
- FWCI
- 0.98
- Type
- journal article
- Language
- en
- Open access
- bronze
- doi.org
- Locations
- Journal of Paleontology (publishedVersion)
- BioOne Complete (BioOne) (submittedVersion)
- Topics
- Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Stratigraphy of Fossils
- Physical Sciences › Earth and Planetary Sciences › Paleontology › Paleontology and Evolutionary Biology
- Physical Sciences › Earth and Planetary Sciences › Paleontology › Evolution and Paleontology Studies
- Keywords
- new species, Middle Cambrian, Burgess Shale, taphonomy, biological affinity, calyx morphology, Cambrian trilobites
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