Richfield Quad - Cherry Valley (Devonian of the United States)

Where: Otsego County, New York (42.8° N, 74.9° W: paleocoordinates 39.3° S, 22.3° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Cherry Valley Formation (Hamilton Group), Eifelian (393.3 - 387.7 Ma)

• member-level stratigraphic resolution

Environment/lithology: deep subtidal; lithified, black, argillaceous lime mudstone

• black, argillaceous limestone

Primary reference: L.V. Rickard and D.H. Zenger. 1964. Stratigraphy and Paleontology of the Richfield Springs and Cooperstown Quadrangles, New York. Bulletin of the New York State Museum and Science Service 396:101 [L. Ivany/P. Wall]more details

Purpose of describing collection: biostratigraphic analysis

PaleoDB collection 83120: authorized by Linda Ivany, entered by Patrick Wall on 07.08.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Coleolus
  - Coleolidae
Anthozoa
 Auloporida - Auloporidae
Aulopora sp. Goldfuss 1829 tabulate coral
Trilobita
 Proetida - Proetidae
"Proetus haldemani" = Dechenella haldemani
"Proetus haldemani" = Dechenella haldemani Hall 1861 trilobite
Gastropoda
 Murchisoniina - Gosseletinidae
"Pleurotomaria rugulata" = Mourlonia rugulata
"Pleurotomaria rugulata" = Mourlonia rugulata Hall 1860 snail
 Murchisoniina - Soleniscidae
"Macrochilina onondagaensis" = Strobeus
"Macrochilina onondagaensis" = Strobeus snail
Cephalopoda
 Agoniatitida - Agoniatitidae
"Agoniatites vanuxemi" = Agoniatites expansus
"Agoniatites vanuxemi" = Agoniatites expansus Vanuxem 1842 ammonite
 Nautilida - Rutoceratidae
 Bactritida - Bactritidae
 Pseudorthocerida - Spyroceratidae
 Dissidocerida - Geisonoceratidae
Rhynchonellata
 Rhynchonellida - Leiorhynchidae
 Spiriferida - Ambocoeliidae
"Ambocoelia cf. nana" = Crurispina nana
"Ambocoelia cf. nana" = Crurispina nana Grabau 1899