Madre de Dios Island, Trocadero Bay: Mississippian, Alaska
collected by T. Chapin

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Anthozoa - Stauriida - Zaphrentidae
Zaphrentis sp. Haime 1850
synonym of Zaphrenthis
Anthozoa - Stauriida - Lonsdaleiidae
? Lonsdaleia sp. McCoy 1849
Strophomenata - Productida - Productidae
Productus semireticulatus (Martin 1809)
recombined as Dictyoclostus semireticulatus
Rhynchonellata - Orthida - Schizophoriidae
Schizophoria sp. King 1850
Rhynchonellata - Spiriferida - Brachythyrididae
Brachythyris sp. M'Coy 1844
Stenolaemata - Rhabdomesida - Rhomboporidae
Rhombopora sp. Meek 1872
Stenolaemata - Cystoporida - Cystodictyonidae
? Cystodictya sp. Ulrich 1882
Ostracoda
Ostracoda indet. Latreille 1802
see common names

Geography
Country:United States State/province:Alaska
Coordinates: 55.4° North, 133.1° West (view map)
Paleocoordinates:0.5° South, 74.4° West
Basis of coordinate:based on nearby landmark
Time
Period:Carboniferous
Key time interval:Mississippian
Age range of interval:358.90000 - 323.20000 m.y. ago
Stratigraphy
Lithology and environment
Primary lithology: lithified "limestone"
Secondary lithology:black lithified chert
Lithology description: Coarsely crystalline highly fossiliferous limestone and black thin-layered chert.
Environment:carbonate indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Reason for describing collection:general faunal/floral analysis
Collectors:T. Chapin
Taxonomic list comments:Identified by G.H. Girty.
Metadata
Also known as:16 ACh 107
Database number:112173
Authorizer:A. Miller Enterer:S. Kolbe
Research group:marine invertebrate
Created:2011-07-06 02:47:08 Last modified:2011-07-05 12:47:08
Access level:the public Released:2011-07-06 02:47:08
Creative Commons license:CC BY
Reference information

Primary reference:

36540. A. F. Buddington and T. Chapin. 1929. Geology and mineral deposits of southeastern Alaska. United States Geological Survey Bulletin 800:1-398 [A. Miller/S. Kolbe]