Ft. Calhoun Rock Products Co., Quarry, Stark Shale (Carboniferous of the United States)

Where: Nebraska (41.5° N, 96.0° W: paleocoordinates 0.6° S, 27.4° W)

When: Dennis Formation (Bronson Group), Kasimovian (307.0 - 303.7 Ma)

• Stake shale, Dennis formation, Bronson group. Missouri series. Westphalian D, Pennsylvanian.

Environment/lithology: marine; shale

Size class: macrofossils

Collected by Gerard R. Case, WD White, W. Rushlau; reposited in the FMNH

Primary reference: R. Zangerl and G. R. Case. 1973. Iniopterygia, a New Order of Chondrichthyan Fishes from the Pennsylvanian of North America. Fieldiana Geology Memoirs 6:1-67 [M. Clapham/P. Vazquez/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 132111: authorized by Matthew Clapham, entered by Priscilla Vazquez on 08.08.2012

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Iniopterygia - Iniopterygidae
Iniopteryx rushlau n. gen. n. sp.
Iniopteryx rushlau n. gen. n. sp. cartilaginous fish
FMNH PF 6678, PF6761, PF6671, PF6645-46, PF6658, PF6691, PF6648, PF6765, PF7192, PF6703, PF6647, PF6665, PF6664, PF6754, UNSM 2906
 Iniopterygia - Sibyrhynchidae
Iniopera richardsoni Zangerl and Case 1973 cartilaginous fish
FMNH PF6692, PF6695, PF6697