Also known as Point "A" Dam Site, Conecuh River
Where: Covington County, Alabama (31.4° N, 86.5° W: paleocoordinates 32.4° N, 75.3° W)
• coordinate based on nearby landmark
• outcrop-level geographic resolution
When: Tallahatta Formation (Claiborne Group), Lutetian (47.8 - 41.3 Ma)
• Original stratigraphy: "The exposure situated below the Point "A" Dam is in the upper unit of the Tallahatta Formation, which in turn underlies the lowermost member of the Lisbon Formation..." Lat long is for the Point A Dam.
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•Later placed in the lowermost Lisbon Formation by Clayton et al., 2013.
• formation-level stratigraphic resolution
Environment/lithology: estuary or bay; poorly lithified, sandy sandstone and poorly lithified claystone
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Size class: macrofossils
Preservation: charcoalification
Collection methods: Turtles, snakes, croc (and a charred pine knot possibly used as a "stomach stone") are described herein; at least 21 fish taxa are noted and were in the proccess of being described at the time of this publication.
Primary reference: J. A. Holman and G. R. Case. 1988. Reptiles from the Eocene Tallahatta Formation of Alabama. Journal of Vertebrate Paleontology 8(3):328-333 [J. Alroy/J. Alroy/J. Alroy]more details
Purpose of describing collection: taxonomic analysis
PaleoDB collection 13346: authorized by John Alroy, entered by Robin Whatley on 01.03.2002, edited by Mark Uhen and Patricia Holroyd
Creative Commons license: CC BY (attribution)
Taxonomic list
unclassified | |
Reptilia | |
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Palaeophis virginianus Lynn 1934 snake a range of sizes of vertebrae, including some very small ones
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Tallahattaophis dunni n. gen. n. sp.
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Chelonioidea indet. Baur 1893 sea turtle previously identified as Emydid in Holman and Case, 1988 [ref: 688]
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Mammalia | |
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Osteichthyes | |
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Actinopteri | |
Egertonia sp.2 Cocchi 1866
Egertonia isodonta Cocchi 1866 | |
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cf. Fisherichthys sp.2 Weems 1999 | |
Trichiurus sp.2 Linnaeus 1758
Trichiurides sp. Winkler 1874
Trichiurides cf. sagittidens2 Winkler 1874 | |
Scomberomorus cf. stormsi2 Leriche 1905 | |
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Chondrichthyes | |
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Dasyatis sp. Rafinesque 1810 whiptail stingray | |
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Leidybatis cf. jugosus2, Burnhamia sp., "Myliobatis dixoni" = Aetomylaeus dixoni2, Myliobatis sp., Myliobatis toliapicus2, Rhinoptera sp.2
Burnhamia sp. Cappetta 1976 eagle ray
Myliobatis sp. Cuvier 1816 eagle ray | |
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Pristis lathami Galeotti 1837 sawfish | |
Rhinobatos sp. Link 1790 guitarfish | |
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Abdounia recticona2, "Galeorhinus recticonus" = Abdounia recticonia, Abdounia enniskilleni, Abdounia minutissima2
"Galeorhinus recticonus" = Abdounia recticonia Winkler 1873 cat shark
Abdounia enniskilleni White 1956 cat shark | |
Physodon sp. Müller and Henle 1839 requiem shark | |
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Nebrius sp. Rüppell 1837 nurse shark | |
"Lamna lerichei" = Brachycarcharias lerichei, "Brachycarcharias lerichei" = Brachycarcharias lerichei2, Sylvestrilamia teretidens2, Odontaspis speyeri, "Jaekelotodus robustus" = Jaekelotodus robusta2, Jaekelotodus trigonalis, Hypotodus robustus, Hypotodus cf. verticalis2
"Lamna lerichei" = Brachycarcharias lerichei Casier 1946 sand tiger shark
Odontaspis speyeri sand tiger shark
Jaekelotodus trigonalis Jackel 1895 sand tiger shark
Hypotodus robustus sand tiger shark | |
Striatolamia macrota Agassiz 1838 goblin shark | |
Carcharocles sp. Jordan 1923 mackerel shark | |
"Carcharocles auriculatus" = Carcharodon auriculatus2
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"Eugomphodus hopei" = Carcharias
"Eugomphodus hopei" = Carcharias sand shark | |
Malacostraca | |
Costacopluma grayi n. sp.3
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