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Hawthorn, USA

Formation	Hawthorn
Age:	11.6 - 5.3 Ma Miocene
Interval	Early Miocene
Lithology	marl
Number of Collections	5
Number of Occurrences	60

Recorded Sample Locations

Location	Region	Stratigraphic Name
Sta. 10409 - Dukes [Hawthorn Fm]	Hampton County, South Carolina, USA	Hawthorn
Savanah River [Hawthorn Fm]	Jasper County, South Carolina, USA	Hawthorn
Sta. 12011 - Johns Island [Hawthorn Fm]	Charleston County, South Carolina, USA	Hawthorn
Western part of University of Florida campus	Alachua County, Florida, USA	Hawthorn
Glen Springs	Alachua County, Florida, USA	Hawthorn

Recorded Fossils

Accepted Name	Type	Hierarchy	Age
Balanus sp. genus	6	Animalia : Arthropoda : Maxillopoda : Sessilia : Balanidae : *Balanus*	23.03 - 15.97 Ma Miocene
Hemipristis sp. genus	6	Animalia : Chordata : Elasmobranchii : Carcharhiniformes : Hemigaleidae : *Hemipristis*	11.608 - 5.333 Ma Miocene
Metaxytherium sp. genus	6	Animalia : Chordata : Mammalia : Sirenia : Dugongidae : *Metaxytherium*	11.608 - 5.333 Ma Miocene
Sirenia family	5	Animalia : Chordata : Mammalia : Sirenia	11.608 - 5.333 Ma Miocene
Gavialosuchus sp. genus	6	Animalia : Chordata : Reptilia : Crocodylia : Gavialidae : *Gavialosuchus*	11.608 - 5.333 Ma Miocene
Echinoidea class	3	Animalia : Echinodermata : Protocidaris : Echinoidea	23.03 - 15.97 Ma Miocene
Stirechinus sp. genus	6	Animalia : Echinodermata : Echinoidea : Camarodonta : Echinidae : *Stirechinus*	23.03 - 15.97 Ma Miocene
Arca sp. genus	6	Animalia : Mollusca : Bivalvia : Arcida : Arcidae : *Arca*	23.03 - 15.97 Ma Miocene
Scapharca sp. genus	6	Animalia : Mollusca : Bivalvia : Arcida : Arcidae : *Scapharca*	23.03 - 15.97 Ma Miocene
Glycymeris sp. genus	6	Animalia : Mollusca : Bivalvia : Arcida : Glycymerididae : *Glycymeris*	23.03 - 15.97 Ma Miocene
Tucetona lamyi species	7	Animalia : Mollusca : Bivalvia : Arcida : Glycymerididae : Tucetona : *Tucetona lamyi*	23.03 - 15.97 Ma Miocene
Cardium sp. genus	6	Animalia : Mollusca : Bivalvia : *Cardium*	23.03 - 15.97 Ma Miocene
Donax sp. genus	6	Animalia : Mollusca : Bivalvia : Cardiida : Donacidae : *Donax*	23.03 - 15.97 Ma Miocene
Strigilla sp. genus	6	Animalia : Mollusca : Bivalvia : Cardiida : Tellinidae : *Strigilla*	23.03 - 15.97 Ma Miocene
Astarte sp. genus	6	Animalia : Mollusca : Bivalvia : Carditida : Astartidae : *Astarte*	23.03 - 15.97 Ma Miocene
Cyclocardia granulata species	7	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Cyclocardia : *Cyclocardia granulata*	23.03 - 15.97 Ma Miocene
Pteromeris perplana species	7	Animalia : Mollusca : Bivalvia : Carditida : Carditidae : Pteromeris : *Pteromeris perplana*	23.03 - 15.97 Ma Miocene
Cavilinga trisulcata species	7	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : Cavilinga : *Cavilinga trisulcata*	23.03 - 15.97 Ma Miocene
Here sp. genus	6	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : *Here*	23.03 - 15.97 Ma Miocene
Parvilucina sp. genus	6	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : *Parvilucina*	23.03 - 15.97 Ma Miocene
Phacoides sp. genus	6	Animalia : Mollusca : Bivalvia : Lucinida : Lucinidae : *Phacoides*	23.03 - 15.97 Ma Miocene
Mytilus conradinus species	7	Animalia : Mollusca : Bivalvia : Mytilida : Mytilidae : Mytilus : *Mytilus conradinus*	23.03 - 15.97 Ma Miocene
Nuculana sp. genus	6	Animalia : Mollusca : Bivalvia : Nuculanida : Nuculanidae : *Nuculana*	23.03 - 15.97 Ma Miocene
Ostrea normalis species	7	Animalia : Mollusca : Bivalvia : Ostreida : Ostreidae : Ostrea : *Ostrea normalis*	23.03 - 15.97 Ma Miocene
Carolia sp. genus	6	Animalia : Mollusca : Bivalvia : Pectinida : Anomiidae : *Carolia*	23.03 - 15.97 Ma Miocene
Pecten sp. genus	6	Animalia : Mollusca : Bivalvia : Pectinida : Pectinidae : *Pecten*	23.03 - 15.97 Ma Miocene
Corbula sp. genus	6	Animalia : Mollusca : Bivalvia : Myida : Corbulidae : *Corbula*	23.03 - 15.97 Ma Miocene
Teredo sp. genus	6	Animalia : Mollusca : Bivalvia : Myida : Teredinidae : *Teredo*	23.03 - 15.97 Ma Miocene
Mactra sp. genus	6	Animalia : Mollusca : Bivalvia : Venerida : Mactridae : *Mactra*	23.03 - 15.97 Ma Miocene
Spisula sp. genus	6	Animalia : Mollusca : Bivalvia : Venerida : Mactridae : *Spisula*	23.03 - 15.97 Ma Miocene
Antigona sp. genus	6	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : *Antigona*	23.03 - 15.97 Ma Miocene
Artena sp. genus	6	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : *Artena*	23.03 - 15.97 Ma Miocene
Dosinia chipolana species	7	Animalia : Mollusca : Bivalvia : Veneroidei : Veneridae : Dosinia : *Dosinia chipolana*	23.03 - 15.97 Ma Miocene
Macrocallista sp. genus	6	Animalia : Mollusca : Bivalvia : Venerida : Veneridae : *Macrocallista*	23.03 - 15.97 Ma Miocene
Drillia sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Drilliidae : *Drillia*	23.03 - 15.97 Ma Miocene
Latirus sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Fasciolariidae : *Latirus*	23.03 - 15.97 Ma Miocene
Marginella sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Marginellidae : *Marginella*	23.03 - 15.97 Ma Miocene
Terebra sp. genus	6	Animalia : Mollusca : Gastropoda : Neogastropoda : Terebridae : *Terebra*	23.03 - 15.97 Ma Miocene
Architectonica sp. genus	6	Animalia : Mollusca : Gastropoda : Architectonicidae : *Architectonica*	23.03 - 15.97 Ma Miocene
Calyptraea sp. genus	6	Animalia : Mollusca : Gastropoda : Littorinimorpha : Calyptraeidae : *Calyptraea*	23.03 - 15.97 Ma Miocene
Ficus sp. genus	6	Animalia : Mollusca : Gastropoda : Littorinimorpha : Ficidae : *Ficus*	23.03 - 15.97 Ma Miocene
Diodora sp. genus	6	Animalia : Mollusca : Gastropoda : Lepetellida : Fissurellidae : *Diodora*	23.03 - 15.97 Ma Miocene
Liotia sp. genus	6	Animalia : Mollusca : Gastropoda : Trochida : Turbinidae : *Liotia*	23.03 - 15.97 Ma Miocene
Cryptonatica sp. genus	6	Animalia : Mollusca : Gastropoda : Littorinimorpha : Naticidae : *Cryptonatica*	23.03 - 15.97 Ma Miocene
Sinum chipolanum species	7	Animalia : Mollusca : Gastropoda : Naticidae : Sinum : *Sinum chipolanum*	23.03 - 15.97 Ma Miocene
Calliostoma sp. genus	6	Animalia : Mollusca : Gastropoda : Trochida : Calliostomatidae : *Calliostoma*	23.03 - 15.97 Ma Miocene
Calliostoma aphelium species	7	Animalia : Mollusca : Gastropoda : Trochida : Calliostomatidae : Calliostoma : *Calliostoma aphelium*	23.03 - 15.97 Ma Miocene
Turritella sp. genus	6	Animalia : Mollusca : Gastropoda : Turritellidae : *Turritella*	23.03 - 15.97 Ma Miocene
Dentalium sp. genus	6	Animalia : Mollusca : Scaphopoda : Dentaliida : Dentaliidae : *Dentalium*	23.03 - 15.97 Ma Miocene

References

Cooke C. W. (1936) Geology of the Coastal Plain of South Carolina, United States Geological Survey Bulletin 837

Cooke C. W. (1941) Cenozoic Regular Echinoids of Eastern United States, Journal of Paleontology 15 1, 1-20

Auffenberg W. (1957) Notes on fossil crocodilians from Southeastern United States, Quarterly Journal of The Florida Academy of Sciences 20, 107-113

Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!

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