D1. Valcour Island, Crown Point Fm.: Chazy, New York

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
Isotelus obtusum Raymond 1905
Trilobita - Asaphida - Asaphidae
Isotelus angusticaudum
Isotelus harrisi Raymond 1905
Asaphus alpha
Trilobita - Phacopida - Pterygometopidae
Pterygometopus annulatus Raymond 1905
recombined as Calyptaulax annulata
Trilobita - Corynexochida - Illaenidae
Thaleops ovata Conrad 1843
Ostracoda - Leperditicopida - Leperditiidae
Leperditia canadensis Jones 1858
Strophomenata - Strophomenida - Rafinesquinidae
Rafinesquina champlainensis Raymond 1902
recombined as Macrocoelia champlainensis
Strophomenata - Orthotetida - Triplesiidae
Camerella longirostris (Billings 1859)
corrected as Camarella longirostris
Rhynchonellata - Pentamerida - Camerellidae
Camerella varians Billings 1859
    = Camerella ventricosa Cooper 1956
Cooper 1956
Rhynchonellata - Orthida - Plaesiomyidae
Plaesiomys platys (Billings 1859)
recombined as Multicostella platys
Gastropoda - Euomphalina - Holopeidae
Holopea scrutator Raymond 1905
Gastropoda - Euomphalina - Raphistomatidae
Raphistoma stamineum Hall 1847
Gastropoda - Murchisoniina - Lophospiridae
Lophospira perangulata (Hall 1847)
Tergomya - Archinacellida - Archinacellidae
Archinacella deformata (Hall 1847)
see common names

Geography
Country:United States State/province:New York County:Clinton
Coordinates: 44.6° North, 73.4° West (view map)
Paleocoordinates:28.1° South, 54.8° West
Basis of coordinate:estimated from map
Geographic resolution:outcrop
Time
Period:Ordovician
Key time interval:Chazy
Age range of interval:466.00000 - 457.50000 m.y. ago
Stratigraphy
Geological group:Chazy Formation:Crown Point
Local section:D Local bed:7 ft
Local order:bottom to top
Stratigraphic resolution:member
Lithology and environment
Primary lithology: "limestone"
Includes fossils?Y
Lithology description: heavy-bedded, impure nodular limestone with fucoidal markings.
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Collection methods and comments
Collection excludes:some genera
Reason for describing collection:general faunal/floral analysis
Metadata
Database number:172294
Authorizer:B. Kröger, P. Wagner Enterer:B. Kröger, P. Wagner
Modifier:B. Kröger Research group:marine invertebrate
Created:2015-08-03 01:49:11 Last modified:2015-08-03 01:52:23
Access level:the public Released:2015-08-03 01:49:11
Creative Commons license:CC BY
Reference information

Primary reference:

15149. P. E. Raymond. 1906. The Chazy Formation and its fauna. Annals of the Carnegie Museum 3(4):498-596 [P. Wagner/P. Wagner]

Secondary references:

44678 G. A. Cooper. 1956. Chazyan and related brachiopods. Smithsonian Miscellaneous Collections 127:1-1245 [P. Wagner/P. Wagner]