PBDB Collection

Sugar River Limestone, Trenton Gorge (Ordovician of the United States)

Where: New York (43.0° N, 75.0° W: paleocoordinates 27.8° S, 53.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Climacograptus americanus graptolite zone, Sugar River Limestone Formation (Lower Trenton Group), Chatfieldian (453.8 - 451.0 Ma)

• Trematis community, listed as Middle Caradoc/Shorehamian

• formation-level stratigraphic resolution

Environment/lithology: deep subtidal shelf; poorly lithified, calcareous shale

• No algae! Rarely current laminated

• Thin-bedded calcarenites interbedded with thin calcareous shales

Size classes: macrofossils, mesofossils

Preservation: trace

Primary reference: R. Titus and B. Cameron. 1976. Fossil communities of the lower Trenton Group (Middle Ordovician) of central and northwestern New York State. Journal of Paleontology 50:1209-1225 [P. Novack-Gottshall/P. Hearn]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 76090: authorized by Phil Novack-Gottshall, entered by Paul Hearn on 13.11.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Show authors, comments, and common names

Crinoidea
-	Crinoidea "indet. sp. 1", Crinoidea "indet. sp. 2", Crinoidea "indet. sp. 3", Crinoidea "indet. sp. 4", Crinoidea "indet. sp. 5", Crinoidea "indet. sp. 6" Crinoidea "indet. sp. 1" Miller 1821 Sea lily Crinoidea "indet. sp. 2" Miller 1821 Sea lily Crinoidea "indet. sp. 3" Miller 1821 Sea lily Crinoidea "indet. sp. 4" Miller 1821 Sea lily Crinoidea "indet. sp. 5" Miller 1821 Sea lily Crinoidea "indet. sp. 6" Miller 1821 Sea lily
Disparida - Heterocrinidae	Heterocrinus heterodactylus Heterocrinus heterodactylus Hall 1847 Sea lily
Myelodactylida - Iocrinidae	Iocrinus subcrassus, Iocrinus trentonensis Iocrinus subcrassus Meek and Worthen 1865 Sea lily Iocrinus trentonensis Walcott 1883 Sea lily
-	Lichenocrinus sp. Lichenocrinus sp. Hall 1866 Sea lily
Conodonta
Prioniodontida - Polyplacognathidae	Polyplacognathus ramosa Polyplacognathus ramosa conodont
Prioniodontida - Balognathidae	Rhodesognathus elegans, Amorphognathus tvaerensis Rhodesognathus elegans Rhodes 1953 conodont Amorphognathus tvaerensis conodont
Prioniodontida -	Phragmodus undatus Phragmodus undatus conodont
Belodellida - Dapsilodontidae	"Acodus mutatus" = Dapsilodus mutatus "Acodus mutatus" = Dapsilodus mutatus Branson and Mehl 1933 conodont
Panderodontida - Panderodontidae	Panderodus sp. Panderodus sp. Ethington 1959 conodont Panderodus spp.
Ozarkodinida -	Periodon grandis Periodon grandis Ethington 1959 conodont
Protopanderodontida - Drepanoistodontidae	Paltodus indet., Drepanoistodus sp., Drepanoistodus suberectus Paltodus indet. Pander 1856 conodont Drepanoistodus sp. Lindstrom 1971 conodont Drepanoistodus suberectus Branson and Mehl 1933 conodont
Lingulata
Lingulida - Pseudolingulidae	"Lingula rectilateralis" = Pseudolingula rectilateralis "Lingula rectilateralis" = Pseudolingula rectilateralis Emmons 1842 "major"
Lingulida - Obolidae	"Lingula riciniformis" = Glossina riciniformis "Lingula riciniformis" = Glossina riciniformis Hall 1847
Lingulida - Trematidae	Trematis terminalis Trematis terminalis Emmons 1842
Craniata
Craniida - Craniidae	Petrocrania sp. Petrocrania sp. Raymond 1910
Strophomenata
Strophomenida - Sowerbyellidae	"Sowerbyella sericea" = Sowerbyella (Sowerbyella) sericea "Sowerbyella sericea" = Sowerbyella (Sowerbyella) sericea Sowerby 1839
Strophomenida - Plectambonitidae	Plectambonites sp. Plectambonites sp. Pander 1830
Strophomenida - Strophomenidae	Strophomena conradi Strophomena conradi
Strophomenida - Rafinesquinidae	Rafinesquina praecursor, Rafinesquina prestonensis, Rafinesquina alternata Rafinesquina praecursor Rafinesquina prestonensis Rafinesquina alternata Conrad 1838
Rhynchonellata
Orthida - Dalmanellidae	Paucicrura rogata Paucicrura rogata Sardeson 1892
Orthida - Platystrophiidae	Platystrophia sp. Platystrophia sp. King 1850
Stenolaemata
Trepostomida - Amplexoporidae	Amplexopora minnesotensis Amplexopora minnesotensis
Trepostomida - Monticuliporidae	Prasopora similatrix Prasopora similatrix
Cryptostomata - Rhinidictyidae	Stictopora blackensis, Pachydictya acuta Stictopora blackensis Pachydictya acuta
Cryptostomata - Escharoporidae	Graptodictya sp. Graptodictya sp. Ulrich 1882
Trepostomata - Heterotrypidae	Dekayia sp. Dekayia sp. Milne-Edwards and Haime 1851
Trepostomata - Halloporidae	Hallopora sp. Hallopora sp. Bassler 1911
Trepostomata - Aisenvergiidae	Eridotrypa mutabilis, Newportopora typicalis Eridotrypa mutabilis Ulrich 1893 Newportopora typicalis
Cephalopoda
Endocerida - Endoceratidae	Endoceras proteiforme Endoceras proteiforme Hall 1847
Gastropoda
Murchisoniina - Loxonematidae	"Hormotoma trentonensis" = Omospira trentonensis "Hormotoma trentonensis" = Omospira trentonensis Ulrich and Scofield 1897 snail
Bivalvia
Solemyida - Ctenodontidae	"Ctenodonta levata" = Ctenodonta peracuta "Ctenodonta levata" = Ctenodonta peracuta Raymond 1905 clam
Modiomorphida - Modiomorphidae	"Endodesma sp." = Cymatonota "Endodesma sp." = Cymatonota Ulrich 1893 clam
Trilobita
Phacopida - Calymenidae	"Flexicalymene senaria" = Flexicalymene (Flexicalymene) senaria "Flexicalymene senaria" = Flexicalymene (Flexicalymene) senaria Conrad 1841 trilobite
Phacopida - Cheiruridae	Ceraurus pleurexanthemus Ceraurus pleurexanthemus Green 1832 trilobite
Trinucleida - Trinucleidae	"Cryptolithus tesselatus" = Cryptolithus tessellatus, "Cryptolithus lorettensis" = Cryptolithus tessellatus "Cryptolithus tesselatus" = Cryptolithus tessellatus Green 1832 trilobite "Cryptolithus lorettensis" = Cryptolithus tessellatus Green 1832 trilobite
Asaphida - Asaphidae	Isotelus gigas Isotelus gigas Dekay 1824 trilobite
Scyphozoa
Conulariida - Conulariidae	Conularia trentonensis Conularia trentonensis jellyfish
Florideophyceae
-	"Tetradium fibratum" = Prismostylus fibratum "Tetradium fibratum" = Prismostylus fibratum Safford 1856