Richfield Springs - Willowvale (Silurian of the United States)

Where: Herkimer County, New York (42.9° N, 74.9° W: paleocoordinates 26.4° S, 44.3° W)

• coordinate estimated from map

• local area-level geographic resolution

When: Willowvale Formation (Clinton Group), Telychian (438.5 - 433.4 Ma)

• formation-level stratigraphic resolution

Environment/lithology: marine; green shale

• Platy Green Shales

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: general faunal/floral analysis

PaleoDB collection 76754: authorized by Linda Ivany, entered by Patrick Wall on 02.12.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Lingulata
 Lingulida - Obolidae
"Lingula perovata" = Lingula (Palaeoglossa) perovata
"Lingula perovata" = Lingula (Palaeoglossa) perovata Hall 1852
Craniata
 Craniopsida - Craniopsidae
"Pholidops squamiformis" = Craniops
"Pholidops squamiformis" = Craniops
Strophomenata
 Orthotetida - Schuchertellidae
 Strophomenida - Chonetidae
 Strophomenida - Strophodontidae
"Stropheodonta corrugata" = Strophodonta corrugata
"Stropheodonta corrugata" = Strophodonta corrugata Conrad 1842
Rhynchonellata
 Rhynchonellida - Leptocoeliidae
Eocoelia sulcata Prouty 1923
 Rhynchonellida - Camarotoechiidae
 Orthida - Dalmanellidae
Lophophorata
 Tentaculitida - Tentaculitidae
Tentaculites sp. von Schlotheim 1820
Ostracoda
 Beyrichiacea - Zygobolbidae
Zygosella cf. vallata Ulrich and Bassler 1923 ostracod
Trilobita
 Phacopida - Calymenidae
Calymene niagarensis Hall 1843 trilobite