Road metal quarry north of Winterset (Dennis Fm., Madison Co., IA) (Carboniferous of the United States)

Where: Madison County, Iowa (41.3° N, 94.0° W: paleocoordinates 1.5° S, 26.1° W)

• coordinate based on nearby landmark

When: Stark Shale Member (Dennis Formation), Missourian (306.0 - 303.7 Ma)

Environment/lithology: marine; shale

Collection methods: core

Primary reference: J. M. Malinky and P. H. Heckel. 1998. Paleoecology and taphonomy of faunal assemblages in gray "core" (offshore) shales in Midcontinent Pennsylvanian cyclothems. Palaios 13(4):311-334 [J. Alroy/M. Sommers/P. Wagner]more details

Purpose of describing collection: paleoecologic analysis

PaleoDB collection 133: authorized by John Alroy, entered by Mike Sommers on 20.11.1998

Creative Commons license: CC BY (attribution)

Taxonomic list

Crinoidea
  -
Crinoidea indet. Miller 1821 Sea lily
Brachiopoda
  -
Brachiopoda indet. Cuvier 1805
Lingulata
 Lingulida - Discinidae
Orbiculoidea sp. d'Orbigny 1847
Strophomenata
 Orthotetida - Derbyiidae
Derbyia sp. Waagen 1884
 Strophomenida - Rugosochonetidae
Chonetinella sp. Ramsbottom 1952
 Strophomenida - Anopliidae
Chonetina sp. Krotow 1888
Rhynchonellata
 Spiriferida - Ambocoeliidae
Crurithyris sp. George 1931
 Athyridida - Athyrididae
Composita sp. Brown 1849
 Athyridida - Neoretziidae
Hustedia sp. Hall and Clarke 1893
 Spiriferinida - Punctospiriferidae
Punctospirifer sp. North 1920
Stenolaemata
 Rhabdomesida - Rhomboporidae
Rhombopora sp. Meek 1872
 Cryptostomata - Septoporidae
 Cryptostomata - Fenestellidae
Fenestrellina sp. d'Orbigny 1849