Locality CCK-82-13, Hannahatchee Creek (Cretaceous of the United States)

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

• coordinate estimated from map

• outcrop-level geographic resolution

When: Cusseta Formation, Campanian (83.6 - 72.1 Ma)

• Initially assigned to the Blufftown Formation, but Schwimmer later placed the base of the Cusseta Formation at the base of bed 4. This unit contains a mixture of reworked Blufftown fossils and those from the Cusseta.

• group of beds-level stratigraphic resolution

Environment/lithology: estuary or bay; poorly lithified, argillaceous, silty sandstone

• Back-barrier marine environments, at near-normal marine salinity, but with considerable fluvial input
• Poorly consolidated, clayey, silty sand

Size class: mesofossils

Collection methods: Repository: Columbus College (planned for transfer to future Georgia State Museum)

Primary reference: G. R. Case and D. R. Schwimmer. 1988. Late Cretaceous fish from the Blufftown Formation (Campanian) in western Georgia. Journal of Paleontology 62(2):290-301 [J. Kriwet/W. Glaeser/M. Clapham]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 70720: authorized by Juergen Kriwet, entered by Wolfgang Glaeser on 03.04.2007

Creative Commons license: CC BY (attribution)

Taxonomic list

Actinopteri
 Elopiformes - Phyllodontidae
Paralbula casei Estes 1969
 Albuliformes - Albulidae
Albula sp. Gronow 1763 bonefish
 Aulopiformes - Enchodontidae
 Tetraodontiformes - Eotrigonodontidae
? Stephanodus sp. Zittel 1883
 Ichthyodectiformes - Ichthyodectidae
Xiphactinus audax Leidy 1870
 Amiiformes - Amiidae
Amiidae indet. Huxley 1861 bowfin
 Lepisosteiformes - Lepisosteidae
Lepisosteus sp. Agassiz 1843 gar
 Pycnodontiformes - Pycnodontidae
Chondrichthyes
 Myliobatiformes - Rhombodontidae
"Rhombodus laevis" = Rhombodus levis
"Rhombodus laevis" = Rhombodus levis Cappetta and Case 1975 stingray
 Myliobatiformes - Myliobatidae
Brachyrhizodus wichitaensis Romer 1942 eagle ray
 Rajiformes - Sclerorhynchidae
Ischyrhiza mira Leidy 1856 ray
 Rajiformes - Ptychotrygonidae
Ptychotrygon vermiculata Cappetta 1975 ray
 Rajiformes -
Pseudohypolophus sp. Cappetta and Case 1975 guitarfish
 Orectolobiformes - Ginglymostomatidae
"Ginglymostoma globidens" = Plicatoscyllium globidens
"Ginglymostoma globidens" = Plicatoscyllium globidens Cappetta and Case 1975 nurse shark
 Lamniformes - Pseudocoracidae
Pseudocorax granti Cappetta and Case 1975 mackerel shark
 Lamniformes - Mitsukurinidae
Scapanorhynchus texanus Roemer 1852 goblin shark
 Lamniformes - Otodontidae
"Cretolamna appendiculata" = Cretalamna appendiculata
"Cretolamna appendiculata" = Cretalamna appendiculata Agassiz 1835 mackerel shark
 Lamniformes - Anacoracidae
Squalicorax kaupi Agassiz 1843 crow shark
 Lamniformes - Carchariidae
"Synodontaspis holmdelensis" = Carcharias holmdelensis
"Synodontaspis holmdelensis" = Carcharias holmdelensis Cappetta and Case 1975 sand shark
 Lamniformes - Pseudoscapanorhynchidae
"Cretodus borodini" = Protolamna borodini
"Cretodus borodini" = Protolamna borodini Cappetta and Case 1975 mackerel shark
 Squatiniformes - Squatinidae
Squatina sp. Dumeril 1806 angel shark
 Hybodontiformes - Lonchidiidae
"Lissodus babulskii" = Lonchidion babulskii
"Lissodus babulskii" = Lonchidion babulskii Cappetta and Case 1975 elasmobranch
 Hybodontiformes - Hybodontidae
Hybodus "sp. 1" Agassiz 1834 elasmobranch