Crown Point, Crown Point Formation (Ordovician of the United States)

Also known as = 102995

Where: New York (44.0° N, 73.4° W: paleocoordinates 28.6° S, 55.2° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Crown Point Formation (Chazy Group), Chazyan (470.0 - 457.3 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: marine; lithified, fine-grained, gray, silty limestone

Size classes: macrofossils, mesofossils

Collected by P.E. Raymond in the 1900s; reposited in the NYSM

Primary reference: P. E. Raymond. 1916. The Pelecypoda of the Chazy Formation. Annals of the Carnegie Museum 328:325-343 [B. Kröger/B. Kröger]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 171707: authorized by Björn Kröger, entered by Björn Kröger on 17.07.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Endocerida - Endoceratidae
 Oncocerida - Valcouroceratidae
"Cameroceras tenuiseptum" = Valcouroceras tenuiseptum3
"Cameroceras tenuiseptum" = Valcouroceras tenuiseptum3 Ruedemann 1906
 Orthocerida - Proteoceratidae
"Loxoceras moniliforme" = Proteoceras moniliforme3
"Loxoceras moniliforme" = Proteoceras moniliforme3 Hall 1847
Bivalvia
 Solemyida - Ctenodontidae
Ctenodonta peracuta Raymond 1905 clam
Rhynchonellata
 Rhynchonellida - Sphenotretidae
"Zygospira acutirostris" = Sphenotreta acutirostris2
"Zygospira acutirostris" = Sphenotreta acutirostris2 Hall 1847
Strophomenata
 Orthotetida - Triplesiidae
"Camerella longirostris" = Onychoplecia longirostris2
"Camerella longirostris" = Onychoplecia longirostris2 Billings 1859
 Strophomenida - Glyptomenidae
"Rafinesquina distans" = Glyptomena distans2
"Rafinesquina distans" = Glyptomena distans2 Raymond 1906