Middleport - Johnson Creek & Rt. 31 bottom (Silurian of the United States)

Where: Niagara County, New York (43.2° N, 78.5° W: paleocoordinates 23.5° S, 48.4° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Reynales Formation (Clinton Group), Aeronian (440.8 - 438.5 Ma)

• group of beds-level stratigraphic resolution

Environment/lithology: offshore; lithified, dolomitic, gray, silty, cherty/siliceous limestone and lithified shale

• Interstratified, medium-gray and dark-gray, silty, dolomitic limestone. Some slightly cherty. Thin shale layers common. Fossiliferous.

Primary reference: T. Gillette. 1947. The Clinton of Western and Central New York. New York State Museum Bulletin (341) [L. Ivany/P. Wall]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 81812: authorized by Linda Ivany, entered by Patrick Wall on 16.07.2008

Creative Commons license: CC BY (attribution)

Taxonomic list

Buthotrephis gracilis
  -
Anthozoa
 Stauriida - Zaphrentidae
"Zaphrentis bilateralis" = Zaphrenthis
"Zaphrentis bilateralis" = Zaphrenthis horn coral
Gastropoda
 Euomphalina - Holopeidae
Holopea obsoleta Hall 1852 snail
Strophomenata
 Strophomenida - Strophodontidae
"Stropheodonta corrugata" = Strophodonta corrugata, "Stropheodonta profunda" = Brachyprion (Protomegastrophia) profunda
"Stropheodonta corrugata" = Strophodonta corrugata Conrad 1842
"Stropheodonta profunda" = Brachyprion (Protomegastrophia) profunda Hall 1852
Rhynchonellata
 Rhynchonellida - Trigonirhynchiidae
 Orthida - Platystrophiidae
"Platystrophia biforata" = Platystrophia biforatus
"Platystrophia biforata" = Platystrophia biforatus Schlotheim 1820
 Orthida - Rhipidomellidae
 Athyridida - Anoplothecidae
Coelospira hemispherica de Sowerby and Murchison 1839
 Athyridida - Hyattidinidae
Hyattidina congesta Conrad 1842
Stenolaemata
 Cryptostomata - Rhinoporidae
Ostracoda
 Beyrichiacea - Zygobolbidae