ASu-14 (Cretaceous of the United States)

Where: Sumter County, Alabama (32.7° N, 88.1° W: paleocoordinates 35.5° N, 60.2° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Bluffport Marl Member (Demopolis Chalk Formation), Late/Upper Campanian (83.5 - 70.6 Ma)

• Upper Campanian, lower half of NP Zone CC23

• bed-level stratigraphic resolution

Environment/lithology: marine; marl and chalk

• Compact brittle chalk overlain by abundantly fossiliferous chalky marl, clayey chalk, and calcareous clay

Size class: macrofossils

Collected in 2001-2002

Primary reference: A. D. Gentry, J. A. Ebersole, and C. R. Kiernan. 2019. Asmodochelys parhami, a new fossil marine turtle from the Campanian Demopolis Chalk and the stratigraphic congruence of competing marine turtle phylogenies. Royal Society Open Science 6:191950:1-12 [E. Vlachos/E. Vlachos/P. Mannion]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 207338: authorized by Philip Mannion, entered by Philip Mannion on 07.01.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Bivalvia
 Ostreida - Flemingostreidae
Agerostrea falcata Morton 1827 oyster
 Ostreida - Gryphaeidae
"Exogyra costata" = Exogyra (Exogyra) costata
"Exogyra costata" = Exogyra (Exogyra) costata Say 1820 oyster
Actinopteri
 Crossognathiformes - Pachyrhizodontidae
 Aulopiformes - Enchodontidae
Reptilia
 Ornithischia - Hadrosauridae
 Theropoda -
 Squamata - Mosasauridae
? Prognathodon sp. Dollo 1889 mosasaur
Mosasaurus sp. Parkinson 1822 mosasaur
Plioplatecarpus sp. Dollo 1882 mosasaur
 Testudines -
? Toxochelys moorevillensis Zangerl 1953 turtle
 Testudines - Pancheloniidae
Asmodochelys parhami Gentry et al. 2019 turtle
MSC 40935
Chondrichthyes
 Lamniformes - Otodontidae
"Cretalamna sp." = Cretolamna
"Cretalamna sp." = Cretolamna Glikman 1958 mackerel shark
 Lamniformes - Anacoracidae
Squalicorax kaupi Agassiz 1843 crow shark
Squalicorax pristodontus Agassiz 1835 crow shark
 Rajiformes - Sclerorhynchidae
Ischyrhiza mira Leidy 1856 ray