Section AV2, 255-260 m, Avalanche Lake: Sheinwoodian - Homerian, Canada
collected by Soehn 1990

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Phlebolepidiformes - Katoporididae
Overia adraini Soehn et al. 2001
Demospongiae - Anthaspidellidae
Archaeoscyphia attenuata de Freitas 1989
Rigby and Chatterton 1999
Demospongiae - Astylospongiidae
Carpospongia castanea (Roemer 1861)
Rigby and Chatterton 1999
Demospongiae - Streptosclerophorida - Hindiidae
Hindia sphaeroidalis Duncan 1879
Rigby and Chatterton 1999
see common names

Geography
Country:Canada State/province:Northwest Territories
Coordinates: 62.4° North, 127.1° West (view map)
Paleocoordinates:6.2° North, 50.8° West
Basis of coordinate:stated in text
Geographic resolution:outcrop
Time
Period:Silurian Epoch:Wenlock
10 m.y. bin:Silurian 2
Key time interval:Sheinwoodian - Homerian Trilobite zone: Struszia dimitrovi
Age range of interval:433.40000 - 427.40000 m.y. ago
Stratigraphy
Geological group:Delorme
Local section:AV2 Local bed:257 m
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: STRATIGRAPHIC RELATIONS: Delorme Group, inter-tonguing members of the Delorme and Road River formations, in tongue 1D (Delorme lithology; see Soehn et al., 2000). AGE: Early Silurian, late
Sheinwoodian to early Homerian; Monograptus instrenuus-Cyrtograptus kolobus Graptolite Zone (riccartonensis-belophorus Generalized Graptolite Zone (GGZ)) to Cyrtograptus lundgreni-Monograptus testis Zone (5lundgreni GGZ); Struszia dimitrovi Trilobite Zone to Mackenziurus reimeri Zone; Vosmiverstum breiveli-Janius occidentalis Brachiopod Zone; upper Kockelella walliseri Conodont
Superzone to bottom of Ozarkodina b. bohemica Conodont Zone (treated as an interval following S. sagitta Zone); Loganellia grossi GVZ to L. einari GVZ. STRATIGRAPHIC POSITION: From 255-260 m.
Lithology and environment
Primary lithology: lithified "limestone"
Includes fossils?Y
Lithology description: SPECIFIC LITHOLOGY: Limestone. LITHIFICATION: Lithified, on the basis of facies description and sample preparation techniques.
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Collectors:Soehn Collection dates:1990
Collection method comments: COLLECTOR: K.L. Soehn, 1990. REPOSITORY: University of Alberta Laboratory for Vertebrate Paleontology (UALVP) of the Departments of Biological Sciences and Earth and Atmospheric Sciences, and in the University of Alberta Paleontology Collections (UAPC) of the Department of Earth and Atmospheric Sciences.
Taxonomic list comments:COVERAGE: Limited to taxa described in manuscript, and those characteristic taxa mentioned in text. NOMENCLATURE: Authoritative publication, with modern nomenclature.
Metadata
Also known as:UALVP Loc. 1064
Database number:90318
Authorizer:A. Hendy, W. Kiessling Enterer:A. Hendy, U. Merkel
Modifier:P. Wagner Research group:vertebrate
Created:2009-07-16 11:52:10 Last modified:2018-04-26 00:19:36
Access level:the public Released:2009-07-16 11:52:10
Creative Commons license:CC BY
Reference information

Primary reference:
30322. K. L. Soehn, T. Märss, M. W. Caldwell and M. V. H. Wilson. 2001. New and biostratigraphically useful thelodonts from the Silurian of the Mackenzie Mountains, Northwest Territories, Canada. Journal of Vertebrate Paleontology 21(4):651-659 [A. Hendy/A. Hendy]

Secondary references:

38714 J. K. Rigby and B. D. E. Chatterton. 1999. Silurian (Wenlock) demosponges from the Avalanche Lake area of the Mackenzie Mountains, southwestern District of Mackenzie, Northwest Territories, Canada. Palaeontographica Canadiana 16:1-43 [W. Kiessling/U. Merkel]