Valcour Island, Lake Champlain, Chazy Group: Chazyan, New York

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Parablastoidea - Blastocystidae
Blastoidocrinus carchariaedens Billings 1859
Hudson 1907
Lingulata - Siphonotretida - Siphonotretidae
Schizambon duplicimuratus Hudson 1905
Raymond 1911
corrected as Schizambon duplicimuratum
Strophomenata - Strophomenida - Furcitellidae
Leptaena incrassata Hall 1847
Raymond 1911
recombined as Dactylogonia incrassata
Strophomenata - Strophomenida - Glyptomenidae
Strophomena prisca Raymond 1905
recombined as Glyptomena prisca
Strophomenata - Strophomenida - Rafinesquinidae
Rafinesquina champlainensis Raymond 1902
Raymond 1911
recombined as Macrocoelia champlainensis
Rhynchonellata - Rhynchonellida - Trigonirhynchiidae
Camarotoechia pristina Raymond 1905
recombined as Rostricellula pristina
Rhynchonellata - Orthida - Plaesiomyidae
Plaesiomys strophomenoides Raymond 1905
recombined as Valcourea strophomenoides
Plaesiomys platys (Billings 1859)
Raymond 1911
recombined as Multicostella platys
Rhynchonellata - Orthida - Orthidiellidae
Orthidium lamellosum (Raymond 1905)
Raymond 1911
recombined as Ptychopleurella lamellosa
Orthidium lamellosa (Raymond 1905)
recombined as Ptychopleurella lamellosa
Rhynchonellata - Orthida - Orthidae
Hebertella exfoliata Raymond 1905
recombined as Orthambonites exfoliata
Rhynchonellata - Orthida - Plectorthidae
Hebertella vulgaris Raymond 1911
Raymond 1911
recombined as Mimella vulgaris
Gastropoda - Murchisoniina - Trochonematidae
Lophospira rectangularis Raymond 1905
synonym of Trochonemella knoxvillensis
Gastropoda - Murchisoniina - Straparollinidae
Holopea hudsoni Raymond 1905
recombined as Straparollina hudsoni
Gastropoda - Murchisoniina - Eotomariidae
Eotomaria obsoletum (Raymond 1905)
synonym of Clathrospira euconica
Gastropoda - Euomphalina - Lesueurillidae
Helicotoma vagrans Raymond 1905
recombined as Eccyliopterus vagrans
Gastropoda - Euomphalina - Holopeidae
Holopea scrutator Raymond 1905
Rostroconchia - Conocardiida - Bransoniidae
Conocardium beecheri Raymond 1905
recombined as Pojetaconcha beecheri
Bivalvia - Myalinida - Ambonychiidae
Ambonychia curvata Raymond 1905
recombined as Ambonychiopsis curvata
Clionychia marginalis Raymond 1905
recombined as Cleionychia marginalis
Bivalvia - Modiomorphida - Modiomorphidae
Modiolopsis fabaformis Raymond 1905
Cyrtodonta tranceps Raymond 1916
recombined as Endodesma tranceps
Ostracoda - Hollinocopida - Eurychilinidae
Primitia latimarginata Raymond 1905
recombined as Eurychilina latimarginata
Eurychilina latimarginata (Raymond 1905)
Raymond 1911
Ostracoda - Leperditicopida - Leperditiidae
Leperditia limatula Raymond 1905
Leperditia nana Jones 1858
Raymond 1911
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:based on nearby landmark
Geographic resolution:outcrop
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
Geological group:Chazy
Stratigraphic resolution:group of beds
Lithology and environment
Primary lithology: lime mudstone
Secondary lithology: "limestone"
Environment:marine indet.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils,mesofossils
Preservation of anatomical detail:good
Collection methods and comments
Collection excludes:some macrofossils
Reason for describing collection:taxonomic analysis
Metadata
Database number:172180
Authorizer:B. Kröger Enterer:B. Kröger
Modifier:B. Kröger Research group:marine invertebrate
Created:2015-07-29 03:07:16 Last modified:2024-03-31 19:20:59
Access level:the public Released:2015-07-29 03:07:16
Creative Commons license:CC BY
Reference information

Primary reference:
15471. P. E. Raymond. 1905. The fauna of the Chazy Limestone. The American Journal of Science 20:353-382 [P. Wagner/P. Wagner]

Secondary references:

21171 G. H. Hudson. 1907. On some Pelmatozoa from the Chazy Limestone of New York. New York State Museum Bulletin, Geology Papers 107:97-127 [G. Webster/G. Webster]
53676 P. E. Raymond. 1911. The Brachiopoda and Ostracoda of the Chazyan. Annals of the Carnegie Museum 7:215-259 [P. Wagner/P. Wagner]