Hackerberry Grove, south bank of Winnabago River (Devonian of the United States)

Also known as Belanski’s Staion 1

Where: Cerro Gordo County, Iowa (43.1° N, 93.2° W: paleocoordinates 29.1° S, 37.7° W)

• outcrop-level geographic resolution

When: Cyrtospirifer whitneyi brachiopod zone, Cerro Gordo Member (Lime Creek Formation), Frasnian (382.7 - 372.2 Ma)

• U. Frasnian

• group of beds-level stratigraphic resolution

Environment/lithology: lithified, calcareous carbonate

• Transgressive-Regressive Cycle IId of Johnson et al. 1985
• nodular calcareous shale

Size class: macrofossils

Primary reference: C. L. Fenton and M. A. Fenton. 1924. The stratigraphy and fauna of the Hackberry stage of the Upper Devonian. Contributions from the Museum of Geology, the University of Michigan 1(1):1-260 [P. Wagner/P. Wagner]more details

Purpose of describing collection: general faunal/floral analysis

PaleoDB collection 56255: authorized by Pete Wagner, entered by Pete Wagner on 16.11.2005

Creative Commons license: CC BY (attribution)

Taxonomic list

Gastropoda
 Euomphalina - Omphalotrochidae
"Straparollus circinatus n. sp." = Orecopia circinatus
"Straparollus circinatus n. sp." = Orecopia circinatus Fenton and Fenton 1924 snail
 Euomphalina -
"? Cyclonema perstrialis n. sp." = Kitikamispira perstrialis
"? Cyclonema perstrialis n. sp." = Kitikamispira perstrialis Fenton and Fenton 1924 snail
 Euomphalina - Holopeidae
? Holopea iowaensis Webster 1906 snail
 Euomphalina - Euomphalidae
"Straparollus argutus n. sp." = Philoxene argutus
"Straparollus argutus n. sp." = Philoxene argutus Fenton and Fenton 1924 snail
 Euomphalina - Platyceratidae
"Diaphorostoma insolitum" = Platyostoma insolita, "Diaphorostoma antiquum" = Platyostoma antiquuis
"Diaphorostoma insolitum" = Platyostoma insolita Webster 1906 snail
"Diaphorostoma antiquum" = Platyostoma antiquuis Webster 1905 snail
 Euomphalina - Palaeotrochidae
"? Turbo spiculatus n. sp." = Turbonopsis spiculatus
"? Turbo spiculatus n. sp." = Turbonopsis spiculatus Fenton and Fenton 1924 snail
  -
? Pleurotomaria verticillata Webster 1906 snail
 Neritoidea - Naticopsidae
"Trachydomia praecursor" = Pseudoplagiothyra praecursor
"Trachydomia praecursor" = Pseudoplagiothyra praecursor Clarke 1885 snail
var. rockfordensis
 Murchisoniina - Soleniscidae
"Westernia pulchra n. sp." = Bensbergia pulchra
"Westernia pulchra n. sp." = Bensbergia pulchra Fenton and Fenton 1924 snail