D12. Tracey Brook, Chazy village, Day Point Formation (Ordovician of the United States)

Also known as Tracy Brook

Where: New York (44.9° N, 73.5° W: paleocoordinates 27.9° S, 54.7° W)

• coordinate estimated from map

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

Environment/lithology: marine; limestone

• compact, fine-grained limestone with few fossils.

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 172332: authorized by Björn Kröger, entered by Björn Kröger on 03.08.2015

Creative Commons license: CC BY (attribution)

Taxonomic list

 Corynexochida - Illaenidae
Thaleops ovata Conrad 1843 trilobite
 Palaeocopida -
Eurychilina latimarginata Raymond 1905 ostracod
 Leperditicopida - Leperditiidae
Leperditia canadensis Jones 1858 ostracod
 Orthotetida - Triplesiidae
"Camerella longirostris" = Onychoplecia longirostris
"Camerella longirostris" = Onychoplecia longirostris Billings 1859
 Pentamerida - Camerellidae
Camerella varians Billings 1859
 Orthida - Orthidae
"Hebertella exfoliata" = Orthambonites exfoliata
"Hebertella exfoliata" = Orthambonites exfoliata Raymond 1905
 Euomphalina - Raphistomatidae
Raphistoma stamineum Hall 1847 snail
Scalites angulatus Emmons 1842 snail
 Bellerophontida - Bucaniidae
Bucania sulcatina Emmons 1842 snail