A5-8. Crown Point, Crown Point Fm. (Ordovician of the United States)

Where: New York (44.0° N, 73.4° W: paleocoordinates 28.7° S, 55.3° W)

• coordinate estimated from map

• outcrop-level geographic resolution

When: Crown Point Formation (Chazy Group), Chazy (466.0 - 457.5 Ma)

Environment/lithology: marine; blue limestone

• impure blue limestone, rather thin-bedded

Size classes: macrofossils, mesofossils

Primary reference: P. E. Raymond. 1906. The Chazy Formation and its fauna. Annals of the Carnegie Museum 3(4):498-596 [P. Wagner/P. Wagner]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 172346: authorized by Björn Kröger, entered by Björn Kröger on 05.08.2015, edited by Pete Wagner

Creative Commons license: CC BY (attribution)

Taxonomic list

 Asaphida - Asaphidae
Isotelus harrisi Raymond 1905 trilobite
 Palaeocopida -
Eurychilina latimarginata Raymond 1905 ostracod
 Leperditicopida - Leperditiidae
Leperditia limatula Raymond 1905 ostracod
 Orthotetida - Triplesiidae
"Camerella longirostris" = Onychoplecia longirostris
"Camerella longirostris" = Onychoplecia longirostris Billings 1859
 Strophomenida - Rafinesquinidae
 Strophomenida - Strophomenidae
"Rafinesquina incrassata" = Dactylogonia incrassata
"Rafinesquina incrassata" = Dactylogonia incrassata Hall 1847
 Pentamerida - Camerellidae
 Rhynchonellida - Sphenotretidae
"Zygospira acutirostris" = Sphenotreta acutirostris
"Zygospira acutirostris" = Sphenotreta acutirostris Hall 1847
 Orthida - Plaesiomyidae
"Plaesiomys platys" = Multicostella platys
"Plaesiomys platys" = Multicostella platys Billings 1859
 Orthida - Orthidiellidae
Orthidium lamellosum Raymond 1905
 Orthida - Plectorthidae
"Hebertella vulgaris" = Mimella vulgaris
"Hebertella vulgaris" = Mimella vulgaris Raymond 1911
 Euomphalina - Macluritidae
Maclurites magnus Le Sueur 1818 snail