Locality A-1695, University of AK Museum (Carboniferous of the United States)

Where: Alaska (62.1° N, 155.2° W: paleocoordinates 36.4° N, 33.4° W)

When: Gzhelian (303.7 - 298.9 Ma)

• Rocks at the locality are exposed as talus rubble.

Environment/lithology: deep-water; lithified, fine-grained, cherty/siliceous mudstone and lithified lime mudstone

• 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.

Size class: macrofossils

Preservation: cast, mold/impression

Primary reference: 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]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 100287: authorized by Arnold Miller, entered by Sarah Kolbe on 07.12.2010

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names
Trilobita
 Proetida - Brachymetopidae
Brachymetopus pseudometopina
Brachymetopus pseudometopina Gauri and Ramovs 1964 trilobite
 Proetida - Phillipsiidae
"? Pseudophillipsia (Carniphillipsia) "sp. A"" = Ditomopyge (Carniphillipsia), "? Pseudophillipsia (Carniphillipsia) "sp. B"" = Ditomopyge (Carniphillipsia)
"? Pseudophillipsia (Carniphillipsia) "sp. A"" = Ditomopyge (Carniphillipsia) Hahn and Brauckmann 1975 trilobite
"? Pseudophillipsia (Carniphillipsia) "sp. B"" = Ditomopyge (Carniphillipsia) Hahn and Brauckmann 1975 trilobite
unclassified
  -
? Archeocidaris sp.
Bivalvia
  -
Bivalvia indet.
Bivalvia indet. Linnaeus 1758 clam
 Pectinida -
Pectinoidea indet.
Pectinoidea indet. Rafinesque 1815 scallop
 Pectinida - Limipectinidae
? Acanthopecten sp.
? Acanthopecten sp. Girty 1903 scallop
Bryozoa
  -
Bryozoa indet.
Bryozoa indet. Ehrenberg 1831
Stenolaemata
 Cryptostomata - Acanthocladiidae
Polypora spp.
 Fenestrata -
Fenestrata indet.
Fenestrata indet. Elias and Condra 1957
Rhynchonellata
 Spiriferida -
Spiriferoidea indet., Martinioidea indet.
Martinioidea indet. Waagen 1883
 Spiriferida - Reticulariidae
? Reticularia sp.
? Reticularia sp. Frederiks 1915
 Rhynchonellida - Stenoscismatidae
? Septacamera sp.
? Septacamera sp. Stepanov 1937
Strophomenata
 Strophomenida - Rugosochonetidae
? Waagenites sp., Chonetinella sp.
? Waagenites sp. Paeckelmann 1930
Chonetinella sp. Ramsbottom 1952
 Productida - Linoproductidae
? Terrakea sp., Anidanthus sp.
? Terrakea sp. Booker 1929
 Productida -
Productoidea indet., "Chonetida indet." = Chonetidina
"Chonetida indet." = Chonetidina Muir-Wood 1955
unclassified
  -
Echinodermata indet.