Locality A-1695, University of AK Museum: Gzhelian, Alaska

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
? Archeocidaris sp.
Trilobita - Proetida - Brachymetopidae
Brachymetopus pseudometopina Gauri and Ramovs 1964
Trilobita - Proetida - Phillipsiidae
? Pseudophillipsia (Carniphillipsia) informal sp. A Hahn and Brauckmann 1975
reassigned as Ditomopyge (Carniphillipsia)
? Pseudophillipsia (Carniphillipsia) informal sp. B Hahn and Brauckmann 1975
reassigned as Ditomopyge (Carniphillipsia)
unclassified
Bryozoa indet. Ehrenberg 1831
Stenolaemata - Fenestrata
Fenestrata indet. (Elias and Condra 1957)
synonym of Fenestelloidea
Stenolaemata - Cryptostomata - Acanthocladiidae
Polypora spp.
Strophomenata - Strophomenida - Rugosochonetidae
? Waagenites sp. Paeckelmann 1930
Chonetinella sp. Ramsbottom 1952
Strophomenata - Productida
Productoidea indet. Gray 1840
Strophomenata - Productida - Linoproductidae
Anidanthus sp.
? Terrakea sp. Booker 1929
Strophomenata - Productida
Chonetida indet. Nalivkin 1979
replaced by Chonetidina
Rhynchonellata - Rhynchonellida - Stenoscismatidae
? Septacamera sp. Stepanov 1937
Rhynchonellata - Spiriferida - Reticulariidae
? Reticularia sp. Frederiks 1915
Rhynchonellata - Spiriferida
Martinioidea indet. Waagen 1883
Spiriferoidea indet. (King 1846)
Bivalvia
Bivalvia indet. Linnaeus 1758
Bivalvia - Pectinida - Limipectinidae
? Acanthopecten sp. Girty 1903
Bivalvia - Pectinida
Pectinoidea indet. Rafinesque 1815
unclassified
Echinodermata indet. Klein 1754
see common names

Geography
Country:United States State/province:Alaska
Coordinates: 62.1° North, 155.2° West (view map)
Paleocoordinates:36.4° North, 33.4° West
Time
Period:Carboniferous Epoch:Pennsylvanian
Stage:Gzhelian 10 m.y. bin:Carboniferous 5
Key time interval:Gzhelian
Age range of interval:303.70000 - 298.90000 m.y. ago
Stratigraphy
Stratigraphy comments: Rocks at the locality are exposed as talus rubble.
Lithology and environment
Primary lithology:fine lithified cherty/siliceous mudstone
Secondary lithology: lithified lime mudstone
Lithology description: The Alaska specimens were collected from interbedded fine-grained, siliceous cemented, clastic rocks and lime mudstones that form the uppermost beds within an unnamed argillite and chert unit.
Environment:deep-water indet.
Taphonomy
Modes of preservation:body,cast,mold/impression
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:100287
Authorizer:A. Miller Enterer:S. Kolbe
Modifier:S. Kolbe Research group:marine invertebrate
Created:2010-12-07 04:41:45 Last modified:2010-12-06 11:55:19
Access level:the public Released:2010-12-07 04:41:45
Creative Commons license:CC BY
Reference information

Primary reference:
34426. G. Hahn, R. B. Blodgett, and W. G. Gilbert. 1985. First recognition of the Gshelian (Upper Pennsylvanian) trilobite Brachymetopus Pseudometopina Gauri and Ramovs in North America; and a description of accompanying trilobites from west-central Alaska. Journal of Paleontology 59(1):27-31 [A. Miller/S. Kolbe]