Golden Cat Company Clay Pit (Paleocene of the United States)

Also known as Clayton

Where: Pulaski County, Illinois (37.2° N, 89.1° W: paleocoordinates 40.4° N, 67.5° W)

• coordinate based on nearby landmark

• outcrop-level geographic resolution

When: Clayton Formation, Danian (66.0 - 61.6 Ma)

• "immediately above the K/T (Cretaceous/Tertiary) boundary"; section is "5 to 6 meters" thick

• member-level stratigraphic resolution

Environment/lithology: estuary or bay; bioturbated, fine-grained, medium, glauconitic, green sandstone and gray claystone

• "near shore brackish to nearly marine environment... [specifically] a riverine, coastal environment"
• "bioturbated, dark green, glauconitic, micaceous, fine to medium sands alternating with layers of dark gray clay"

Size class: macrofossils

Collection methods: salvage,

• "Fossils were collected and processed from spoil piles"; "at least eight species of pelecypods, 11 species of gastropods, one annelid worm, and three decapod crustaceans" are present but not named

Primary reference: J. A. Holman. 2002. Paleocene turtles and crocodilians directly above the Cretaceous/Tertiary (K/T) boundary in Pulaski County, Illinois. Michigan Academician 34(2):163-174 [J. Alroy/J. Alroy]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 70129: authorized by John Alroy, entered by John Alroy on 18.03.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

 Ostreida - Ostreidae
Ostrea pulaskensis Harris 1892 oyster
 Carditida - Carditidae
Venericardia sp. Lamarck 1801 clam
"Venericardia smithii" = Venericardia (Venericor) smithii Aldrich 1894 clam
 Cardiida - Veneridae
 Neogastropoda - Buccinidae
 Naticoidea - Naticidae
Natica reversa moon snail
 Sorbeoconcha - Turritellidae
"Turritella alabamiensis" = Mesalia alabamiensis
"Turritella alabamiensis" = Mesalia alabamiensis De Gregorio 1890 turret shell
 Cheilostomata - Electridae
Conopeum damicornis Canu and Bassler 1920
 Hybodontiformes - Ptychodontidae
Ptychodus sp. Agassiz 1837 elasmobranch
 Lamniformes - Odontaspididae
"Lamna cuspidata" = Carcharias cuspidatus
"Lamna cuspidata" = Carcharias cuspidatus Agassiz 1843 sand shark
 Chimaeriformes - Callorhynchidae
Ischyodus williamsae plownose chimaera
 Acipenseriformes - Acipenseridae
Propenser hewletti Applegate 1970
 Tselfatiiformes - Plethodidae
Bananogmius cf. crieleyi Applegate 1970
 Crossognathiformes - Pachyrhizodontidae
 Testudines -
"Chelonia sp." = Testudines
"Chelonia sp." = Testudines Batsch 1788 turtle
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
 Loricata -
Crocodylia indet. crocodilian