Siphusauctum lloydguntheri type locality in Antimony Canyon (Cambrian of the United States)

Where: Utah (41.6° N, 112.0° W)

• Paleocoordinates: 31.3° N, 117.4° W (Wright 2013)

• coordinate stated in text

• small collection-level geographic resolution

When: Glossopleura trilobite zone, Spence Shale Member (Langston Formation), Steptoean (497.0 - 493.5 Ma)

• middle Cambrian, Series 3, Stage 5, Glossopleura Biozone, Langston Formation, Spence Shale Member

• group of beds-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; silty shale

• "regionally extensive, relatively deep-water" unit "deposited on the passive western margin of Laurentia"
• fossil "found on a silty shale float slab ~ 5m below the top of the Spence Shale Member" ... "The Spence Shale in this area is ~ 64m thick and consists of a succession of shales, silty shales, lime mudstones, wackestones, and packstones"

Size class: macrofossils

• laterally compressed part and counterpart

Preservation: soft parts

Collected by Lloyd Gunther in 1976

• "The part and counterpart of the specimen were collected and donated by Lloyd Gunther in 1976 and are housed in the collections of the Division of Invertebrate Paleontology, Biodiversity Institute, University of Kansas (KUMIP)"

Primary reference: J. Kimmig, L. C. Strotz, and B. S. Lieberman. 2017. 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. Journal of Paleontology 1-9 [L. Na/L. Na]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 216945: authorized by Phil Novack-Gottshall, entered by Phil Novack-Gottshall on 02.01.2021

Creative Commons license: CC0 (CC0)

Taxonomic list

 Bilateria - Siphusauctidae
Siphusauctum lloydguntheri n. sp. Kimmig et al. 2017