Where: Aiken County, South Carolina (33.5° N, 84.7° W: paleocoordinates 33.8° N, 77.0° W)
• coordinate stated in text
• small collection-level geographic resolution
When: Dry Branch Formation (Barnwell Group), Priabonian (38.0 - 33.9 Ma)
• 2 meters below base of overlying Tobacco Road Fm. Late Eocene age based on invertebrates and calcareous nannofossil biostratigraphy and laser fusion age of tektites in formation
Environment/lithology: marine; lithology not reported
Size classes: macrofossils, mesofossils
Collection methods: bulk, sieve,
• screen-washed with water in lab and sieved with 0.25 mm screen
Primary reference: D. J. Cicimurri and J. L. Knight. 2019. Late Eocene (Priabonian) elasmobranchs from the Dry Branch Formation (Barnwell Group) of Aiken County, South Carolina, USA. PaleoBios 36(43964):1-31 [P. Holroyd/P. Holroyd]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 202014: authorized by Patricia Holroyd, entered by Patricia Holroyd on 17.06.2019
Creative Commons license: CC BY (attribution)
Taxonomic list
Chondrichthyes | |
Squatina cf. prima Winkler 1874 angel shark | |
Alopias sp. Rafinesque 1810 thresher shark | |
Rhinobatos sp. Link 1790 guitarfish | |
Rhynchobatus cf. pristinus Probst 1877 wedgefish | |
Dasyatis sp. Rafinesque 1810 whiptail stingray
Dasyatis cf. tricuspidatus Casier 1946 whiptail stingray | |
Rhinoptera sp. Cuvier 1829 cownose ray | |
Aetomylaeus sp. Garman 1908 eagle ray
Pseudaetobatus undulatus Cicimurri and Ebersole 2015 eagle ray | |
cf. Carcharias sp. Rafinesque 1810 sand shark | |
"Carcharinidae indet." = Carcharhinidae, Physogaleus aff. latus, Negaprion gilmorei, Abdounia enniskilleni, Isogomphodon aikenensis n. sp., Galeocerdo sp., Rhizoprionodon ? ganntourensis
"Carcharinidae indet." = Carcharhinidae Jordan and Evermann 1896 requiem shark
Physogaleus aff. latus requiem shark
Negaprion gilmorei lemon shark
Abdounia enniskilleni White 1956 requiem shark
Isogomphodon aikenensis n. sp. Cicimurri and Knight 2019 daggernose shark
Galeocerdo sp. Müller and Henle 1837 tiger shark
Rhizoprionodon ? ganntourensis sharpnose shark | |
Foumtizia sp. Noubhani and Cappetta 1997 cat shark | |
Hemipristis cf. curvatus Dames 1883 ground shark | |
"Scylliorhinus sp." = Scyliorhinus, "Premontreia cf. gilberti" = Scyliorhinus gilberti
"Scylliorhinus sp." = Scyliorhinus Blainville 1816 shark
"Premontreia cf. gilberti" = Scyliorhinus gilberti Casier 1946 shark | |
Ginglymostomatidae indet. Gill 1862 nurse shark
Nebrius cf. thielensi nurse shark | |
Notorhynchus cf. kempi sevengill shark |