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
• group of beds-level stratigraphic resolution
Environment/lithology: estuary or bay; bioturbated, fine-grained, medium, glauconitic, green sandstone and gray claystone
Size class: macrofossils
Collection methods: salvage,
• "Fossils were collected and processed from spoil piles"
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, edited by Matthew Clapham
Creative Commons license: CC BY (attribution)
Taxonomic list
Malacostraca | |
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Polychaeta | |
Meandropolydora sp.2 Voigt 1965 | |
Gymnolaemata | |
Conopeum damicornis Canu and Bassler 1920 | |
Bivalvia | |
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Ostrea pulaskensis Harris 1892 oyster | |
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"Venericardia wilcoxensis" = Venericardia (Baluchicardia) wilcoxensis2, Venericardia sp., "Venericardia smithii" = Venericardia (Venericor) smithii, Venericardia mediaplata2
Venericardia sp. Lamarck 1801 clam
"Venericardia smithii" = Venericardia (Venericor) smithii Aldrich 1894 clam | |
? Pitar ripleyanus venus clam | |
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Gastropoda | |
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Strepsidura contorea true whelk | |
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Natica reversa moon snail | |
"? Epitonium cf. bexarense" = Striaticostatum bexarense2
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"Turritella alabamiensis" = Mesalia alabamiensis De Gregorio 1890 turret shell | |
Osteichthyes | |
Propenser hewletti Applegate 1970 ray-finned fish | |
Reptilia | |
Crocodylia indet. crocodilian | |
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"Chelonia sp." = Testudines
"Chelonia sp." = Testudines Batsch 1788 turtle | |
Actinopteri | |
"Bananogmius cf. crieleyi" = Pentanogmius crieleyi
"Bananogmius cf. crieleyi" = Pentanogmius crieleyi Applegate 1970 | |
Pachyrhizodus caninus Cope 1872 | |
Chondrichthyes | |
Ptychodus sp. Agassiz 1834 elasmobranch | |
"Lamna cuspidata" = Araloselachus cuspidatus
"Lamna cuspidata" = Araloselachus cuspidatus Agassiz 1843 sand tiger shark | |
Ischyodus williamsae plownose chimaera | |
Teredolites sp.2 Leymerie 1842 |