Where: New York (44.6° N, 73.4° W: paleocoordinates 28.8° S, 56.4° W)
• coordinate based on nearby landmark
• small collection-level geographic resolution
When: Valcour Formation (Chazy Group), Whiterockian (470.0 - 457.3 Ma)
Environment/lithology: lithified, massive, silty limestone and lithified, calcareous shale
Size classes: macrofossils, mesofossils
Preservation: replaced with silica
Reposited in the NYSM
Collection methods: chemical,
Primary reference: 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]more details
Purpose of describing collection: biostratigraphic analysis
PaleoDB collection 103010: authorized by Melanie Hopkins, entered by Melanie Hopkins on 21.01.2011
Creative Commons license: CC BY (attribution)
Taxonomic list
Trilobita | |
Apianurus narrawayi Raymond 1910 trilobite | |
"Heliomeroides akocephala" = Heliomeroides teres
"Heliomeroides akocephala" = Heliomeroides teres Evitt 1951 trilobite | |
Lonchodomas halli Billings 1861 trilobite | |
Remopleurides canadensis Billings 1865 trilobite |