Chazy village, Day Point Formation: Chazyan, New York

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Strophomenata - Strophomenida - Glyptomenidae
Strophomena prisca Raymond 1905
Raymond 1911
recombined as Glyptomena prisca
Rhynchonellata - Rhynchonellida - Sphenotretidae
Zygospira acutirostris (Hall 1847)
Raymond 1911
recombined as Sphenotreta acutirostris
Rhynchonellata - Orthida - Hesperorthidae
Orthis costalis Hall 1847
Raymond 1906
recombined as Hesperorthis costalis
Tergomya - Archinacellida - Archinacellidae
Palaeacmaea irregularis Raymond 1905
Raymond 1905
recombined as Floripatella irregularis
Tergomya - Scenellidae
Scenella pretensa Raymond 1905
Raymond 1905
Gastropoda - Euomphalina - Platyceratidae
Eunema leptonotum Raymond 1905
Raymond 1905
recombined as Cyclonema leptonotum
Gastropoda - Euomphalina - Raphistomatidae
Scalites angulatus Emmons 1842
Raymond 1906
Bivalvia - Myalinida - Ambonychiidae
Ambonychia curvata Raymond 1905
recombined as Ambonychiopsis curvata
Clionychia marginalis Raymond 1905
recombined as Cleionychia marginalis
Trilobita - Phacopida - Cheiruridae
Heliomeroides akocephala Shaw 1968
Shaw 1968
synonym of Heliomeroides teres
see Shaw (1968, p. 69)
see common names

Geography
Country:United States State/province:New York
Coordinates: 44.9° North, 73.5° West (view map)
Paleocoordinates:27.9° South, 54.7° West
Basis of coordinate:estimated from map
Time
Period:Ordovician
10 m.y. bin:Ordovician 2-4
Key time interval:Chazyan
Age range of interval:470.00000 - 457.00000 m.y. ago
Stratigraphy
Formation:Day Point
Stratigraphy comments: "Lower Chazy", in Raymond (1916)
Lithology and environment
Primary lithology: "limestone"
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
Database number:171713
Authorizer:B. Kröger Enterer:B. Kröger
Modifier:B. Kröger Research group:marine invertebrate
Created:2015-07-17 02:46:19 Last modified:2024-03-31 19:20:59
Access level:the public Released:2015-07-17 02:46:19
Creative Commons license:CC BY
Reference information

Primary reference:

55816. P. E. Raymond. 1916. The Pelecypoda of the Chazy Formation. Annals of the Carnegie Museum 328:325-343 [B. Kröger/B. Kröger]

Secondary references:

15471 P. E. Raymond. 1905. The fauna of the Chazy Limestone. The American Journal of Science 20:353-382 [P. Wagner/P. Wagner]
15149 P. E. Raymond. 1906. The Chazy Formation and its fauna. Annals of the Carnegie Museum 3(4):498-596 [P. Wagner/P. Wagner]
53676 P. E. Raymond. 1911. The Brachiopoda and Ostracoda of the Chazyan. Annals of the Carnegie Museum 7:215-259 [P. Wagner/P. Wagner]
23704 F.C. Shaw. 1968. Early Middle Ordovician (Chazy) trilobites of New York. New York State Museum and Science Service Memoir 17:1-163 [P. Wagner/P. Wagner]