PBDB Collection

The Rocks (Eocene of the United States)

Also known as Creagh Plantation

Where: Clarke County, Alabama (31.7° N, 88.0° W)

• Paleocoordinates: 35.3° N, 72.7° W (Wright 2013)

• coordinate estimated from map

When: Pachuta Member (Yazoo Formation), Priabonian (38.0 - 33.9 Ma)

• member-level stratigraphic resolution

Environment/lithology: foreshore; claystone

• The Yazoo Clay Formation exhibits a shallow subtropical inner shelf environment with abundant life evolving into a deeper more clay-dominated middle shelf environment.

Size class: macrofossils

Preservation: original phosphate

Primary reference: R. Harlan. 1835. Description of the remains of the "Basilosaurus," a large fossil marine animal, recently discovered in the horizontal limestone of Alabama. Transactions of the Geological Society of Pennsylvania 1:348-357 [M. Uhen/M. Uhen]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 45637: authorized by Mark Uhen, entered by Mark Uhen on 20.11.2004

Creative Commons license: CC0 (CC0)

Taxonomic list

Show authors, comments, and common names

Chondrichthyes
Rhinopristiformes - Pristidae	Pristis sp.⁴ Pristis sp.⁴ Linck 1790 sawfish
Myliobatiformes - Myliobatidae	Myliobatis sp.⁴ Myliobatis sp.⁴ Cuvier 1816 eagle ray
Carcharhiniformes - Carcharhinidae	"Hypoprion greyegertoni n. sp." = Aprionodon greyegertoni⁴, "Negaprion gibbesi" = Carcharhinus gibbesii⁴, "Scyliorhinus enniskilleni n. sp." = Abdounia enniskilleni⁴, Physodon secundus⁴ "Hypoprion greyegertoni n. sp." = Aprionodon greyegertoni⁴ White 1956 requiem shark "Negaprion gibbesi" = Carcharhinus gibbesii⁴ Woodward 1889 requiem shark "Scyliorhinus enniskilleni n. sp." = Abdounia enniskilleni⁴ White 1956 requiem shark Physodon secundus⁴ Winkler 1876 requiem shark
Carcharhiniformes - Hemigaleidae	Hemipristis wyattdurhami n. sp.⁴ Hemipristis wyattdurhami n. sp.⁴ White 1956 ground shark
Carcharhiniformes - Triakidae	Galeorhinus cf. falconeri⁴ Galeorhinus cf. falconeri⁴ White 1956 school shark
Carcharhiniformes - Galeocerdidae	Galeocerdo clarkensis n. sp.⁴ Galeocerdo clarkensis n. sp.⁴ White 1956 tiger shark
Lamniformes - Alopiidae	Alopias latidens alabamensis n. ssp.⁴ Alopias latidens alabamensis n. ssp.⁴ White 1956 thresher shark
Lamniformes - Odontaspididae	"Odontaspis ? verticalis" = Hypotodus verticalis⁴ "Odontaspis ? verticalis" = Hypotodus verticalis⁴ Agassiz 1843 sand tiger shark
Lamniformes - Mitsukurinidae	"Odontaspis malletiana n. sp." = Scapanorhynchus texanus⁴ "Odontaspis malletiana n. sp." = Scapanorhynchus texanus⁴ Roemer 1852 goblin shark
Lamniformes - Carchariidae	"Odontaspis hopei" = Carcharias hopei⁴ "Odontaspis hopei" = Carcharias hopei⁴ Agassiz 1843 sand shark
Heterodontiformes - Heterodontidae	Heterodontus cf. woodwardi⁴ Heterodontus cf. woodwardi⁴ Casier 1946 bullhead shark
Mammalia
Cetacea - Basilosauridae	Basilosaurus cetoides², Cynthiacetus maxwelli³ Basilosaurus cetoides² Owen 1839 whale Cynthiacetus maxwelli³ Uhen 2005 whale
Echinoidea
Cidaroida - Cidaridae	Cidaris smithi n. sp.¹ Cidaris smithi n. sp.¹ Clark and Twitchell 1915 pencil urchin said to be from the Oligocene "St. Stephens limestone" (upper portion)
Temnopleuroida -	Gagaria americana n. sp.¹ Gagaria americana n. sp.¹ Clark and Twitchell 1915 sea urchin

¹Clark and Twitchell 1915; ²Kellogg 1936; ³Uhen 2005; ⁴White 1956