NY67-12.85: Tremadocian, New York
collected by S. Westrop, L. Knox, E. Landing

List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
Trilobita - Ptychopariida - Kingstoniidae
Clelandia parabola (Cleland 1900)
Trilobita - Asaphida - Asaphidae
Bellefontia gyracantha
Trilobita - Proetida - Bathyuridae
Hystricurus ellipticus (Cleland 1900)
original and current combination Bathyurus ellipticus
see common names

Geography
Country:United States State/province:New York County:Montgomery
Coordinates: 43.0° North, 74.3° West (view map)
Paleocoordinates:31.7° South, 68.5° West
Basis of coordinate:estimated from map
Geographic resolution:small collection
Time
Period:Ordovician Epoch:Early/Lower Ordovician
Stage:Tremadocian 10 m.y. bin:Ordovician 1
Key time interval:Tremadocian Conodont zone: Rossodus manitouensis
Age range of interval:485.40000 - 477.70000 m.y. ago
Stratigraphy
Geological group:Beekmantown Formation:Tribes Hill Member:Van Wie
Local section:NY67 Local bed:12.85 m
Local order:bottom to top
Stratigraphic resolution:bed
Stratigraphy comments: Stratigraphy based on Landing et al 1996 (J of P 70:656-680).
Lithology and environment
Primary lithology:wavy/flaser/lenticular bedding,intraclastic lithified packstone
Secondary lithology:gray lithified "shale"
Includes fossils?Y
Lithology description: "Shales with interbeds of bioclastic and intraclastic packstones and rudstones" (Westrop et al. 1993). "Recessive, thin interval of dark grey shale and lenticular, intraclast-trilobite-echinoderm limestone...locally dolomitized...weathers buff to tan" (Landing et al 1996, J of P 70:656-680).
Environment:deep subtidal shelf
Geology comments: Environment based on Landing et al 1996 (J of P 70:656-680), which is revised from Westrop et al 1993.
Taphonomy
Modes of preservation:body
Size of fossils:macrofossils
Collection methods and comments
Collection excludes:some macrofossils
Collection methods:field collection
Reason for describing collection:taxonomic analysis
Museum repositories:NYSM
Collectors:S. Westrop, L. Knox, E. Landing
Metadata
Database number:174037
Authorizer:M. Hopkins Enterer:M. Hopkins
Modifier:M. Hopkins Research group:marine invertebrate
Created:2015-10-23 16:38:30 Last modified:2015-10-24 11:02:02
Access level:the public Released:2015-10-23 16:38:30
Creative Commons license:CC BY
Reference information

Primary reference:

56736. S. R. Westrop, L. A. Knox, and E. Landing. 1993. Lower Ordovician (Ibexian) trilobites from the Tribes Hill Formation, central Mohawk Valley, New York State. Canadian Journal of Earth Sciences 30:1618-1633 [M. Hopkins/M. Hopkins/M. Uhen]