North of Fort Gibson (Station 301) (Carboniferous of the United States)

Where: Cherokee County, Oklahoma (35.8° N, 95.3° W: paleocoordinates 8.3° S, 32.6° W)

• coordinate stated in text

• small collection-level geographic resolution

When: Morrow Formation, Morrowan (323.2 - 318.6 Ma)

• "Morrow formation; shaly member above heavy limestone"

• member-level stratigraphic resolution

Environment/lithology: marine; shale

• formation in this area is "composed dominantly of limestone" but this collection is specifically from a "shaly member"

Size class: macrofossils

Collected by S. Weller, L. C. Snider

• University of Chicago Walker Museum collection

Primary reference: K.F. Mather. 1915. The fauna of the Morrow Group of Arkansas and Oklahoma. Bulletin of the Scientific Laboratories of Denison University 18(3):59-284 [G. Webster/G. Webster]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 90796: authorized by John Alroy, entered by John Alroy on 17.08.2009, edited by Bethany Allen

Creative Commons license: CC BY (attribution)

Taxonomic list

• taxa other than echinoderms not entered yet

•type specimen of Stereobrachicrinus pustullosus might be from Station 296

Rhynchonellata
 Rhynchonellida - Stenoscismatidae
Crinoidea
 Cladida - Eupachycrinidae
 Dendrocrinida - Catacrinidae
Delocrinus pentanodus n. sp. Sea lily
Delocrinus sp. Miller and Gurley 1890 Sea lily
 Dendrocrinida - Arkacrinidae
"Delocrinus dubius" = Arkacrinus dubius
"Delocrinus dubius" = Arkacrinus dubius Mather 1915 Sea lily
 Poteriocrinina - Hydreionocrinidae
Hydreionocrinus sp. De Koninck 1858 Sea lily
 Disparida - Allagecrinidae
Stereobrachicrinus pustullosus n. gen. n. sp. Sea lily