Hannahatchee Creek, unit 3 (Cretaceous to of the United States)

Where: Stewart County, Georgia (32.1° N, 85.0° W: paleocoordinates 34.0° N, 56.6° W)

• coordinate stated in text

• outcrop-level geographic resolution

When: Blufftown Formation, Late/Upper Santonian to Late/Upper Santonian (85.8 - 70.6 Ma)

• Unit 3 of the upper Blufftown Formation

• group of beds-level stratigraphic resolution

Environment/lithology: estuary or bay; poorly lithified, fine-grained, micaceous, silty, calcareous sandstone

• Back-barrier marginal marine environments
• Fine, micaceous, calcareous, silty sands, bedded in graded storm deposits.

Size class: mesofossils

Primary reference: G. R. Case. 1987. Borodinopristis schwimmeri, a new Ganopristine Sawfish from the upper Blufftown Formation (Campanian) of the Upper Cretaceous of Georgia. Bulletin of the New Jersey Academy of Science 32(1):25-33 [J. Kriwet/W. Glaeser/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 215806: authorized by Matthew Clapham, entered by Matthew Clapham on 23.11.2020

Creative Commons license: CC BY (attribution)

Taxonomic list

Chondrichthyes
 Lamniformes - Odontaspididae
Odontaspis sp. Agassiz 1838 sand tiger shark
 Rajiformes - Sclerorhynchidae
Borodinopristis schwimmeri n. gen. n. sp. Case 1987 ray
 Rajiformes - Ptychotrygonidae
Ptychotrygon sp. Jaekel 1894 ray
 Hybodontiformes -
Lissodus (Lonchidion) sp. Brough 1935 elasmobranch