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 | |
Chondrichthyes | |
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Odontaspis speyeri, Hypotodus robustus, Hypotodus cf. verticalis2, "Lamna lerichei" = Brachycarcharias lerichei, "Brachycarcharias lerichei" = Brachycarcharias lerichei2, Sylvestrilamia teretidens2, Jaekelotodus trigonalis, Jaekelotodus robustus2
Odontaspis speyeri sand tiger shark
Hypotodus robustus sand tiger shark
"Lamna lerichei" = Brachycarcharias lerichei Casier 1946 sand tiger shark
Jaekelotodus trigonalis Jackel 1895 sand tiger shark | |
"Carcharocles auriculatus" = Carcharodon auriculatus2
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Carcharocles sp. Jordan 1923 mackerel shark | |
Striatolamia macrota Agassiz 1838 goblin shark | |
"Eugomphodus hopei" = Carcharias
"Eugomphodus hopei" = Carcharias sand shark | |
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"Carcharinidae indet." = Carcharhinidae1, Physogaleus secundus2, Abdounia recticona2, Abdounia minutissima2, "Galeorhinus recticonus" = Abdounia recticonia, Abdounia enniskilleni, Rhizoprionodon sp.2, Physodon sp.
"Galeorhinus recticonus" = Abdounia recticonia Winkler 1873 requiem shark
Abdounia enniskilleni White 1956 requiem shark
Physodon sp. Müller and Henle 1839 requiem shark | |
Nebrius sp. Rüppell 1837 nurse shark | |
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Rhinobatos sp. Link 1790 guitarfish | |
Pristis lathami Galeotti 1837 sawfish | |
Dasyatis sp. Rafinesque 1810 whiptail stingray | |
Myliobatis sp., Myliobatis toliapicus2, "Myliobatis dixoni" = Aetomylaeus dixoni2, Burnhamia sp., Leidybatis cf. jugosus2
Myliobatis sp. Cuvier 1816 eagle ray
Burnhamia sp. Cappetta 1976 eagle ray | |
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Actinopteri | |
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Cylindracanthus cf. rectus2 Agassiz 1843 | |
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cf. Fisherichthys sp.2 Weems 1999 | |
Scomberomorus cf. stormsi2 Leriche 1905 | |
Trichiurus sp.2 Linnaeus 1758
Trichiurides sp. Winkler 1874
Trichiurides cf. sagittidens2 Winkler 1874 | |
Egertonia sp.2 Cocchi 1866
Egertonia isodonta Cocchi 1866 | |
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Mammalia | |
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Reptilia | |
Chelonioidea indet. Baur 1893 sea turtle previously identified as Emydid in Holman and Case, 1988 [ref: 688]
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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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Malacostraca | |
Costacopluma grayi n. sp.3
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