Blacksmith Fork: Emsian, Utah

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Pteraspidomorpha - Pteraspidiformes - Protaspididae
Orvig 1961
Pteraspidomorphes
Denison 1953
Chondrichthyes
Burrow 2007
Chondrichthyes - Ischnacanthiformes - Ischnacanthidae
Burrow 2007
Chondrichthyes
Burrow 2007
Chondrichthyes - Diplacanthiformes
Burrow 2007
Placodermi - Arthrodira - Actinolepidae
Bryantolepis sp. Denison 1958
Petromyzontida - Cephalaspidiformes
Branson and Mehl 1931
Number 592, Vertebrate Paleontology, University of Missouri (holotype)
see common names

Geography
Country:United States State/province:Utah
Coordinates: 41.6° North, 111.7° West (view map)
Paleocoordinates:27.0° South, 77.1° West (Wright 2013)
Time
Period: Devonian Epoch: Early Devonian
Stage: Emsian 10 m.y. bin: Devonian 2
Key time interval: Emsian
Age range of interval: 407.6 - 393.3 m.y. ago
Stratigraphy
Formation:Water Canyon Member:Lower Grassy Flat
Lithology and environment
Primary lithology:massive lithified dolomite
Environment:marginal marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:paleoecologic analysis
Metadata
Database number:233171
Authorizer:R. Bicknell, J. Flannery-Sutherland Enterer:R. Bicknell, J. Flannery-Sutherland
Modifier:J. Flannery-Sutherland
Created:2024-01-17 12:56:43 Last modified:2025-02-22 15:12:02
Access level:the public Released:2024-01-17 12:56:43
Creative Commons license:CC0
Reference information

Primary reference:

87224. R. H. Denison. 1958. The Devonian vertebrates of Utah, Part 3 ARTHRODIRA. Fieldiana 11(9):491-551 [R. Bicknell/R. Bicknell]

Secondary references:

65990 E. B. Branson and M. G. Mehl. 1931. The Journal of Geology. 39(6):509-531 [J. Marcot/J. Marcot]
90386 C. Burrow. 2007. Early Devonian (Emsian) acanthodian faunas of the Western USA. Journal of Paleontology 81(5):824-840 [J. Flannery-Sutherland/J. Flannery-Sutherland/P. Wagner]
90148 R. Denison. 1953. Early Devonian Fishes from Utah. Part II Heterostraci. Fieldiana: Geology 11(2):1-78 [J. Flannery-Sutherland/J. Flannery-Sutherland]
90825 Orvig. 1961. Notes on some early representatives of the Drepanaspida (Pteraspidomorphi, Heterostraci). Arkiv for Zoologi 12:515-535 [J. Flannery-Sutherland/J. Flannery-Sutherland]