ACh-21 (Eocene of the United States)

Where: Choctaw County, Alabama (31.5° N, 88.5° W: paleocoordinates 32.2° N, 79.7° W)

• coordinate estimated from map

• small collection-level geographic resolution

When: Gosport Sand Formation, Bartonian (41.3 - 38.0 Ma)

• "upper middle Bartonian"

Environment/lithology: terrestrial; lithology not reported

Size class: macrofossils

Collection methods: surface (float)

• specimens at University of Alabama Museum

Primary reference: S. E. Jasinski. 2013. Review of the fossil Trionychidae (Testudines) from Alabama, including the oldest record of trionychid turtles from eastern North America. Bulletin of the Alabama Museum of Natural History 31(2):46-59 [P. Holroyd/P. Holroyd]more details

Purpose of describing collection: taxonomic analysis

PaleoDB collection 176944: authorized by Patricia Holroyd, entered by Patricia Holroyd on 09.03.2016, edited by Mark Uhen

Creative Commons license: CC BY (attribution)

Taxonomic list

unclassified
  -
Actinopteri
 Siluriformes - Ariidae
Ariidae indet. Berg 1958 Ariid catfish
 Scombriformes - Trichiuridae
 Scombriformes - Scombridae
 Tetraodontiformes - Ostraciidae
 Tetraodontiformes - Balistidae
 Tetraodontiformes - Diodontidae
 Acanthopteri - Sphyraenidae
Sphyraena sp. Artedi 1793 barracuda
Reptilia
 Testudines - Trionychidae
Trionychidae indet. Gray 1825 softshell turtle
Chondrichthyes
 Myliobatiformes - Aetobatidae
"Aetobatis sp." = Aetobatus
"Aetobatis sp." = Aetobatus Blainville 1816 stingray
 Myliobatiformes - Myliobatidae
Aetomylaeus sp. Garman 1908 eagle ray
Eoplinthicus yazooensis Cappetta and Stringer 2002 eagle ray
Myliobatis sp. Cuvier 1816 eagle ray
sp. 2
Rhinoptera sp. Cuvier 1829 cownose ray
 Rhinopristiformes - Pristidae
Pristidae indet. Bonaparte 1838 sawfish
Propristis schweinfurthi Priem 1897 sawfish
Pristis sp. Linck 1790 sawfish
 Heterodontiformes - Heterodontidae
Heterodontus sp. de Blainville 1816 bullhead shark
 Orectolobiformes - Ginglymostomatidae
Nebrius thielensi nurse shark
 Carcharhiniformes - Galeocerdidae
Galeocerdo clarkensis White 1956 tiger shark
"Physogaleus alabamensis" = Galeocerdo alabamensis Leriche 1942 tiger shark
Galeocerdo eaglesomei White 1926 tiger shark
 Carcharhiniformes - Scyliorhinidae
Abdounia enniskilleni White 1956 cat shark
 Carcharhiniformes - Triakidae
Galeorhinus aff. duchaussoisi Adnet and Cappetta 2008 school shark
 Carcharhiniformes - Hemigaleidae
Hemipristis curvatus Dames 1883 ground shark
 Carcharhiniformes - Sphyrnidae
"Negaprion gilmorei" = Sphyrna gilmorei
"Negaprion gilmorei" = Sphyrna gilmorei Leriche 1942 hammerhead shark
 Carcharhiniformes - Carcharhinidae
Rhizoprionodon ganntourensis Arambourg 1952 sharpnose shark
Scoliodon conecuhensis Cappetta and Case 2016 requiem shark
Physogaleus secundus Winkler 1876 requiem shark
 Lamniformes - Mitsukurinidae
Striatolamia macrota Agassiz 1838 goblin shark
 Lamniformes - Lamnidae
Macrorhizodus praecursor Leriche 1905 mackerel shark
 Lamniformes - Odontaspididae
"Jaekelotodus robustus" = Jaekelotodus robusta Leriche 1905 sand tiger shark
Tethylamna dunni Cappetta and Case 2016 sand tiger shark
Brachycarcharias lerichei Casier 1946 sand tiger shark
Brachycarcharias twiggsensis Case 1981 sand tiger shark
Hypotodus verticalis Agassiz 1843 sand tiger shark
Mennerotodus sp. Zhelezko 1994 sand tiger shark
 Lamniformes - Otodontidae
"Otodus (Carcharocles) sp." = Carcharocles
"Otodus (Carcharocles) sp." = Carcharocles Jordan 1923 mackerel shark