C8. Valcour Island, Valcour Fm.: Chazy, New York

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Bivalvia - Modiomorphida - Modiomorphidae
Modiolopsis fabaformis Raymond 1905
Strophomenata - Strophomenida - Glyptomenidae
Rafinesquina distans Raymond 1906
recombined as Glyptomena distans
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Camarotoechia plena (Hall 1847)
recombined as Rostricellula plena
Rhynchonellata - Orthida - Orthidiellidae
Orthidium lamellosum (Raymond 1905)
recombined as Ptychopleurella lamellosa
Stenolaemata - Phylloporinidae
Phylloporina incepta (Hall 1847)
Stenolaemata - Trepostomata - Trematoporidae
Batostoma campensis Ross 1963
Ross 1963
Trilobita - Asaphida - Asaphidae
Isotelus harrisi Raymond 1905
Trilobita - Phacopida - Pterygometopidae
Pterygometopus annulatus Raymond 1905
recombined as Calyptaulax annulata
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
Time
Period:Ordovician
Key time interval:Chazy
Age range of interval:466.00000 - 457.50000 m.y. ago
Stratigraphy
Geological group:Chazy Formation:Valcour
Stratigraphic resolution:bed
Stratigraphy comments: "from Rostricellula beds", in Ross (1963)
Lithology and environment
Primary lithology:gray "limestone"
Lithology description: Thicker-bedded, light-gray limestone with much calcite.
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:taxonomic analysis
Metadata
Also known as:YPM 3516 of Ross (1963)
Database number:172248
Authorizer:B. Kröger Enterer:B. Kröger
Modifier:B. Kröger Research group:marine invertebrate
Created:2015-07-31 04:48:48 Last modified:2015-08-13 13:51:57
Access level:the public Released:2015-07-31 04:48:48
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:

56059 J. P. Ross. 1963. The Bryozoan Trepostome Batostoma in Chazyan (Ordovician) Strata. Journal of Paleontology 37(4):857-866 [B. Kröger/B. Kröger]