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Lower Trenton - Denley Limestone - Glendale, Herkimer County, New York, USA

Group	Lower Trenton
Formation	Denley Limestone
Member	Glendale
Age:	461 - 450 Ma Ordovician
Interval	Chatfieldian
Lithology	shale
Number of Collections	1
Number of Occurrences	44

Recorded Sample Locations

Location	Region	Stratigraphic Name
Sugar River Limestone	Herkimer County, New York, USA	Lower Trenton - Denley Limestone - Glendale

Associated Units

Stratigraphic Name	Age	Lithology	Occurrence Records
Lower Trenton - Sugar River Limestone	461 - 450 Ma Ordovician	shale	104

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Isotelus gigas species	7	Animalia : Arthropoda : Trilobita : Asaphida : Asaphidae : Isotelus : *Isotelus gigas*	460.9 - 449.5 Ma Ordovician
Flexicalymene senaria species	7	Animalia : Arthropoda : Trilobita : Phacopida : Calymenidae : Flexicalymene : *Flexicalymene senaria*	460.9 - 449.5 Ma Ordovician
Lingula riciniformis species	7	Animalia : Brachiopoda : Lingulata : Lingulida : Lingulidae : Lingula : *Lingula riciniformis*	460.9 - 449.5 Ma Ordovician
Schizocrania sp. genus	6	Animalia : Brachiopoda : Lingulata : Lingulida : Trematidae : *Schizocrania*	460.9 - 449.5 Ma Ordovician
Paucicrura rogata species	7	Animalia : Brachiopoda : Rhynchonellata : Orthida : Dalmanellidae : Paucicrura : *Paucicrura rogata*	460.9 - 449.5 Ma Ordovician
Platystrophia sp. genus	6	Animalia : Brachiopoda : Rhynchonellata : Orthida : Platystrophiidae : *Platystrophia*	460.9 - 449.5 Ma Ordovician
Rafinesquina sp. genus	6	Animalia : Brachiopoda : Strophomenata : Strophomenida : Rafinesquinidae : *Rafinesquina*	460.9 - 449.5 Ma Ordovician
Rafinesquina alternata species	7	Animalia : Brachiopoda : Strophomenata : Strophomenida : Rafinesquinidae : Rafinesquina : *Rafinesquina alternata*	460.9 - 449.5 Ma Ordovician
Sowerbyella sp. genus	6	Animalia : Brachiopoda : Strophomenata : Strophomenida : Sowerbyellidae : *Sowerbyella*	460.9 - 449.5 Ma Ordovician
Graptodictya sp. genus	6	Animalia : Bryozoa : Stenolaemata : Cryptostomida : Ptilodictyidae : *Graptodictya*	460.9 - 449.5 Ma Ordovician
Pachydictya sp. genus	6	Animalia : Bryozoa : Stenolaemata : Cryptostomida : Rhinidictyidae : *Pachydictya*	460.9 - 449.5 Ma Ordovician
Stictopora sp. genus	6	Animalia : Bryozoa : Stenolaemata : Cryptostomida : Ptilodictyidae : *Stictopora*	460.9 - 449.5 Ma Ordovician
Bythopora sp. genus	6	Animalia : Bryozoa : Stenolaemata : Trepostomatida : Batostomellidae : *Bythopora*	460.9 - 449.5 Ma Ordovician
Dekayia sp. genus	6	Animalia : Bryozoa : Stenolaemata : Trepostomatida : Trematoporidae : *Dekayia*	460.9 - 449.5 Ma Ordovician
Prasopora sp. genus	6	Animalia : Bryozoa : Stenolaemata : Trepostomatida : Monticuliporidae : *Prasopora*	460.9 - 449.5 Ma Ordovician
Eridotrypa mutabilis species	7	Animalia : Bryozoa : Stenolaemata : Trepostomatida : Aisenvergiidae : Eridotrypa : *Eridotrypa mutabilis*	460.9 - 449.5 Ma Ordovician
Amplexopora sp. genus	6	Animalia : Bryozoa : Stenolaemata : Trepostomatida : Amplexoporidae : *Amplexopora*	460.9 - 449.5 Ma Ordovician
Newportopora sp. genus	6	Animalia : Bryozoa : Stenolaemata : Trepostomatida : *Newportopora*	460.9 - 449.5 Ma Ordovician
Dapsilodus mutatus species	7	Animalia : Chordata : Conodonta : Belodellida : Dapsilodontidae : Dapsilodus : *Dapsilodus mutatus*	460.9 - 449.5 Ma Ordovician
Oistodus sp. genus	6	Animalia : Chordata : Conodonta : Conodontophorida : *Oistodus*	460.9 - 449.5 Ma Ordovician
Amorphognathus sp. genus	6	Animalia : Chordata : Balognathidae : *Amorphognathus*	460.9 - 449.5 Ma Ordovician
Icriodella sp. genus	6	Animalia : Chordata : Balognathidae : *Icriodella*	460.9 - 449.5 Ma Ordovician
Distacodus sp. genus	6	Animalia : Chordata : Conodonta : Distacodidae : *Distacodus*	460.9 - 449.5 Ma Ordovician
Phragmodus sp. genus	6	Animalia : Chordata : Conodonta : *Phragmodus*	460.9 - 449.5 Ma Ordovician
Scolopodus insculptus species	7	Animalia : Chordata : Conodonta : Strachanognathidae : Scolopodus : *Scolopodus insculptus*	460.9 - 449.5 Ma Ordovician
Periodon grandis species	7	Animalia : Chordata : Conodonta : Ozarkodinida : Periodon : *Periodon grandis*	460.9 - 449.5 Ma Ordovician
Drepanoistodus sp. genus	6	Animalia : Chordata : *Drepanoistodus*	460.9 - 449.5 Ma Ordovician
Drepanoistodus suberectus species	7	Animalia : Chordata : Conodonta : Protopanderodontida : Drepanoistodus : *Drepanoistodus suberectus*	460.9 - 449.5 Ma Ordovician
Merocrinus sp. genus	6	Animalia : Echinodermata : Crinoidea : *Merocrinus*	460.9 - 449.5 Ma Ordovician
Heterocrinus heterodactylus species	7	Animalia : Echinodermata : Crinoidea : Heterocrinidae : Heterocrinus : *Heterocrinus heterodactylus*	460.9 - 449.5 Ma Ordovician
Lichenocrinus sp. genus	6	Animalia : Echinodermata : Crinoidea : *Lichenocrinus*	460.9 - 449.5 Ma Ordovician
Dendrocystites sp. genus	6	Animalia : Echinodermata : Soluta : Dendrocystitida : *Dendrocystites*	460.9 - 449.5 Ma Ordovician
Ctenodonta peracuta species	7	Animalia : Mollusca : Bivalvia : Solemyida : Ctenodontidae : Ctenodonta : *Ctenodonta peracuta*	460.9 - 449.5 Ma Ordovician
Cameroceras trentonense species	7	Animalia : Mollusca : Cephalopoda : Endoceratidae : Cameroceras : *Cameroceras trentonense*	460.9 - 449.5 Ma Ordovician
Endoceras proteiforme species	7	Animalia : Mollusca : Cephalopoda : Endoceratidae : Endoceras : *Endoceras proteiforme*	460.9 - 449.5 Ma Ordovician
Cyrtorizoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Oncoceratidae : *Cyrtorizoceras*	460.9 - 449.5 Ma Ordovician
Oncoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Oncoceratidae : *Oncoceras*	460.9 - 449.5 Ma Ordovician
Geisonoceras sp. genus	6	Animalia : Mollusca : Cephalopoda : Geisonoceratidae : *Geisonoceras*	460.9 - 449.5 Ma Ordovician
Ordogeisonoceras amplicameratum species	7	Animalia : Mollusca : Cephalopoda : Orthocerida : Geisonoceratidae : Ordogeisonoceras : *Ordogeisonoceras amplicameratum*	460.9 - 449.5 Ma Ordovician
Trocholites ammonius species	7	Animalia : Mollusca : Cephalopoda : Trocholitidae : Trocholites : *Trocholites ammonius*	460.9 - 449.5 Ma Ordovician
Sinuites cancellatus species	7	Animalia : Mollusca : Gastropoda : Bellerophontida : Sinuitidae : Sinuites : *Sinuites cancellatus*	460.9 - 449.5 Ma Ordovician

References

Titus R., Cameron B. (1976) Fossil communities of the lower Trenton Group (Middle Ordovician) of central and northwestern New York State, Journal of Paleontology 50, 1209-1225

Wahlman G.P. (1992) Middle and Upper Ordovician symmetrical univalved mollusks (Monoplacophora and Bellerophontina) of the Cincinnati Arch region, United States Geological Survey Professional Paper 1066 O, 1-123

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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