Akron Fm., Erie Co. (Silurian of the United States)

Where: Erie County, New York (42.9° N, 78.8° W: paleocoordinates 30.4° S, 40.7° W)

• coordinate based on political unit

• local area-level geographic resolution

When: Akron Formation, Pridoli (423.0 - 419.2 Ma)

Environment/lithology: peritidal; gray dolomite

• "8 ft. of thin to med. bedded greenish gray to buff dolo. peritidal, BA1"

Size class: macrofossils

Primary reference: E. J. Buehler and I. H. Tesmer. 1963. Geology of Erie County, New York. Buffalo Society of Natural Sciences Bulletin 21(3):1-118 [M. Uhen/J. Ju]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 517: authorized by Jack Sepkoski, entered by Mike Sommers on 07.01.1999, edited by Michael Foote

Creative Commons license: CC BY (attribution)

Taxonomic list

• "Buehler and Tesmer, 1963"
Chlorophyceae
 Dasycladales - Seletonellaceae
Medusaegraptus sp. Ruedemann 1925
Strophomenata
 Orthotetida - Orthotetidae
Rhynchonellata
 Rhynchonellida - Rhynchonellidae
Rhynchonella sp. Fischer 1809
 Spiriferida - Delthyrididae
Delthyris sp. Dalman 1828
Howellella sp. Kozlowski 1946
 Athyridida - Meristellidae
Whitfieldella sp. Hall and Clarke 1893
4 species
Cephalopoda
 Oncocerida - Brevicoceratidae
Mitroceras sp. Hyatt 1894
originally entered as "Mitoceras sp."
Foersteoceras sp. Ruedemann 1925
Gastropoda
 Murchisoniina - Loxonematidae
Loxonema sp. Phillips 1841 snail
 Streptoneura -
Archaeogastropoda indet. Thiele 1925 snail
was Pleurotomaria; PJW3
Ostracoda
 Leperditicopida - Leperditiidae
Leperditia sp. Rouault 1851 ostracod
Euchelicerata
 Eurypterida - Eurypteridae
Eurypterus sp. De Kay 1825 eurypterid
 Eurypterida - Pterygotidae
Pterygotus sp. Agassiz 1839 eurypterid
Anthozoa
 Stauriida - Cyathophyllidae
Cyathophyllum sp. Goldfuss 1826 horn coral
 Favositida - Favositidae
Favosites sp. Lamarck 1816 tabulate coral
Hydrozoa
 Hydroida -
Inocaulis sp. Hall 1852