Thompson, Locality 208 (Carboniferous of the United States)

Where: Madison County, Arkansas (35.9° N, 94.9° W: paleocoordinates 8.3° S, 32.3° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Cane Hill Member (Cane Hill Formation), Morrowan (323.2 - 318.6 Ma)

• bed-level stratigraphic resolution

Environment/lithology: shallow subtidal; lithified, lenticular, calcareous sandstone

• Three-foot (0.9 m) thick calcareous sandstone lens

Size class: macrofossils

Primary reference: W. L. Manger and W. B. Saunders. 1980. Lower Pennsylvanian (Morrowan) ammonoids from the North American midcontinent. Paleontological Society Memoir 10:1-56 [J. Alroy/C. Simpson/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 43108: authorized by John Alroy, entered by Carl Simpson on 10.08.2004

Creative Commons license: CC BY (attribution)

Taxonomic list

Cephalopoda
 Goniatitida - Reticuloceratidae
Reticuloceras tiro Gordon 1969 ammonite
Reticuloceras wainwrighti Quinn 1966 ammonite
Retites semiretia McCaleb 1964 ammonite
 Goniatitida - Glaphyritidae
Syngastrioceras globosum Easton 1943 ammonite
Schartymites paynei Gordon 1964 ammonite
 Goniatitida - Neodimorphoceratidae