Point A Dam Site: Lutetian, Alabama
List of taxa
Where & when
Geology
Taphonomy & methods
Metadata & references
Taxonomic list
unclassified
|
||||||||||
Orolectolobiformes indet.
|
Clayton et al. 2013 | |||||||||
Actinopteri
- Elopiformes
- Phyllodontidae
|
||||||||||
Egertonia sp.
Cocchi 1866
|
Clayton et al. 2013 | |||||||||
Egertonia isodonta
Cocchi 1866
|
||||||||||
Actinopteri
- Albuliformes
- Albulidae
|
||||||||||
Albula sp.
Gronow 1763
|
Clayton et al. 2013 | |||||||||
Actinopteri
- Tetraodontiformes
- Ostraciidae
|
||||||||||
Ostraciidae indet.
|
Clayton et al. 2013 | |||||||||
Actinopteri
- Sciaenidae
|
||||||||||
? Aplodinotus sp.
Rafinesque 1818
|
||||||||||
"or Albula ?" | ||||||||||
Actinopteri
- Acanthuriformes
- Sciaenidae
|
||||||||||
cf. Fisherichthys sp.
Weems 1999
|
Clayton et al. 2013 | |||||||||
Actinopteri
- Scombriformes
- Scombridae
|
||||||||||
Scomberomorus cf. stormsi
(Leriche 1905)
|
Clayton et al. 2013 | |||||||||
Actinopteri
- Scombriformes
- Trichiuridae
|
||||||||||
Trichiurus sp.
Linnaeus 1758
|
Clayton et al. 2013 | |||||||||
Trichiurides sp.
Winkler 1874
|
||||||||||
Trichiurides cf. sagittidens
Winkler 1874
|
Clayton et al. 2013 | |||||||||
Actinopteri
- Siluriformes
|
||||||||||
Arioidea indet.
Bleeker 1862
|
Clayton et al. 2013 | |||||||||
Actinopteri
- Acanthopteri
- Sphyraenidae
|
||||||||||
? Sphyraena sp.
Artedi 1793
|
||||||||||
"or Cybium ?" | ||||||||||
Sphyraena sp.
Artedi 1793
|
Clayton et al. 2013 | |||||||||
Actinopteri
- Lepisosteiformes
- Lepisosteidae
|
||||||||||
Lepisosteus sp.
Agassiz 1843
|
Clayton et al. 2013 | |||||||||
Mammalia
|
||||||||||
Mammalia indet.
Linnaeus 1758
|
Clayton 2009 | |||||||||
marine mammals | ||||||||||
Reptilia
- Palaeophiidae
|
||||||||||
Palaeophis virginianus
Lynn 1934
|
41 specimens | |||||||||
a range of sizes of vertebrae, including some very small ones | ||||||||||
Reptilia
- Boidae
|
||||||||||
Tallahattaophis dunni n. gen., n. sp.
Holman and Case 1988
|
1 specimen | |||||||||
vertebra | ||||||||||
Reptilia
- Testudines
|
||||||||||
Chelonioidea indet.
Baur 1893
|
5 specimens | |||||||||
previously identified as Emydid in Holman and Case, 1988 [ref: 688] | ||||||||||
Reptilia
- Testudines
- Trionychidae
|
||||||||||
Trionychinae indet.
Gray 1825
|
3 specimens | |||||||||
= Trionychidae indet.
Gray 1825
|
Jasinski 2013 | |||||||||
Reptilia
- Crocodylidae
|
||||||||||
Crocodylidae indet.
Cuvier 1807
|
62 specimens | |||||||||
all teeth | ||||||||||
Acipenseriformes
|
||||||||||
Cylindracanthus cf. rectus
(Agassiz 1843)
|
Clayton et al. 2013 | |||||||||
Chondrichthyes
- Synechodontiformes
- Palaeospinacidae
|
||||||||||
cf. Synechodus sp.
Woodward 1888
|
Clayton et al. 2013 | |||||||||
Chondrichthyes
- Lamniformes
- Otodontidae
|
||||||||||
Carcharocles sp.
Jordan 1923
|
||||||||||
Chondrichthyes
- Lamniformes
- Lamnidae
|
||||||||||
Carcharocles auriculatus
(Blainville 1818)
|
Clayton et al. 2013 | |||||||||
recombined as Carcharodon auriculatus | ||||||||||
Chondrichthyes
- Lamniformes
- Odontaspididae
|
||||||||||
Hypotodus robustus
|
||||||||||
Hypotodus cf. verticalis
(Agassiz 1843)
|
Clayton et al. 2013 | |||||||||
Odontaspis speyeri
|
||||||||||
Lamna lerichei
Casier 1946
|
||||||||||
recombined as Brachycarcharias lerichei | ||||||||||
Brachycarcharias lerichei
(Casier 1946)
|
Clayton et al. 2013 | |||||||||
Jaekelotodus robustus
(Leriche 1905)
|
Clayton et al. 2013 | |||||||||
recombined as Jaekelotodus robusta | ||||||||||
Jaekelotodus trigonalis
(Jackel 1895)
|
||||||||||
Sylvestrilamia teretidens
|
Clayton et al. 2013 | |||||||||
Chondrichthyes
- Lamniformes
- Mitsukurinidae
|
||||||||||
Striatolamia cf. striata
(Winkler 1874)
|
Clayton et al. 2013 | |||||||||
Striatolamia macrota
(Agassiz 1838)
|
||||||||||
original and current combination Otodus macrotus | ||||||||||
Chondrichthyes
- Lamniformes
- Carchariidae
|
||||||||||
Eugomphodus hopei
|
||||||||||
synonym of Carcharias | ||||||||||
Chondrichthyes
- Orectolobiformes
- Ginglymostomatidae
|
||||||||||
Nebrius sp.
Rüppell 1837
|
||||||||||
Nebrius cf. thielensis
(Winkler 1874)
|
Clayton et al. 2013 | |||||||||
Chondrichthyes
- Orectolobiformes
- Orectolobidae
|
||||||||||
cf. Eometlaouia sp.
Noubhani and Cappetta 2002
|
Clayton et al. 2013 | |||||||||
Squatiscyllium aff. nigeriensis
(White 1934)
|
Clayton et al. 2013 | |||||||||
Chondrichthyes
- Carcharhiniformes
- Carcharhinidae
|
||||||||||
Carcharinidae indet.
(Jordan and Evermann 1896)
|
Clayton 2009 | |||||||||
original and current combination Carcharhinidae | ||||||||||
Physodon sp.
Müller and Henle 1839
|
||||||||||
Rhizoprionodon sp.
Whitley 1929
|
Clayton et al. 2013 | |||||||||
Physogaleus secundus
(Winkler 1876)
|
Clayton et al. 2013 | |||||||||
recombined as Physodon secundus | ||||||||||
Chondrichthyes
- Carcharhiniformes
- Scyliorhinidae
|
||||||||||
Abdounia recticona
|
Clayton et al. 2013 | |||||||||
Abdounia enniskilleni
(White 1956)
|
||||||||||
Galeorhinus recticonus
(Winkler 1873)
|
||||||||||
original and current combination Abdounia recticonia | ||||||||||
Abdounia minutissima
(Winkler 1874)
|
Clayton et al. 2013 | |||||||||
Chondrichthyes
- Carcharhiniformes
- Triakidae
|
||||||||||
cf. Galeorhinus sp.
de Blainville and Prévost 1816
|
Clayton et al. 2013 | |||||||||
Pachygaleus lefevrei
(Daimeries 1891)
|
Clayton et al. 2013 | |||||||||
Chondrichthyes
- Carcharhiniformes
- Galeocerdidae
|
||||||||||
Galeocerdo latidens
(Agassiz 1835)
|
Clayton et al. 2013 | |||||||||
Chondrichthyes
- Rajiformes
- Rhinobatidae
|
||||||||||
Rhinobatos cf. bruxelliensis
(Jaekel 1894)
|
Clayton et al. 2013 | |||||||||
original and current combination Rhinobatus bruxelliensis | ||||||||||
Rhinobatos sp.
Link 1790
|
||||||||||
Chondrichthyes
- Rhinopristiformes
- Pristidae
|
||||||||||
Pristis sp.
Linck 1790
|
Clayton et al. 2013 | |||||||||
Pristis lathami
Galeotti 1837
|
||||||||||
Chondrichthyes
- Myliobatiformes
|
||||||||||
Coupatezia woutersi
Cappetta 1982
|
Clayton et al. 2013 | |||||||||
Chondrichthyes
- Myliobatiformes
- Gymnuridae
|
||||||||||
Gymnura sp.
Van Hasselt 1823
|
Clayton et al. 2013 | |||||||||
Chondrichthyes
- Myliobatiformes
- Myliobatidae
|
||||||||||
Rhinoptera sp.
Cuvier 1829
|
Clayton et al. 2013 | |||||||||
Myliobatis dixoni
Agassiz 1843
|
Clayton et al. 2013 | |||||||||
recombined as Aetomylaeus dixoni | ||||||||||
Myliobatis sp.
Cuvier 1816
|
||||||||||
Myliobatis toliapicus
(Agassiz 1843)
|
Clayton et al. 2013 | |||||||||
Burnhamia sp.
Cappetta 1976
|
||||||||||
Leidybatis cf. jugosus
(Leidy 1876)
|
Clayton et al. 2013 | |||||||||
Chondrichthyes
- Myliobatiformes
- Aetobatidae
|
||||||||||
Aetobatis sp.
(Blainville 1816)
|
||||||||||
original and current combination Aetobatus | ||||||||||
cf. Aetobatus sp.
Blainville 1816
|
Clayton et al. 2013 | |||||||||
Chondrichthyes
- Myliobatiformes
- Dasyatidae
|
||||||||||
Dasyatis sp.
Rafinesque 1810
|
||||||||||
Jacquhermania duponti
(Winkler 1874)
|
Clayton et al. 2013 | |||||||||
recombined as Dasyatis duponti | ||||||||||
Malacostraca
- Decapoda
- Retroplumidae
|
||||||||||
Costacopluma grayi n. sp.
Feldmann and Portell 2007
|
Feldmann and Portell 2007 | |||||||||
see common names |
Geography
Country: | United States | State/province: | Alabama | County: | Covington |
Coordinates: | 31.4° North, 86.5° West (view map) | ||||
Paleocoordinates: | 32.4° North, 75.3° West | ||||
Basis of coordinate: | based on nearby landmark | ||||
Geographic resolution: | outcrop |
Time
Period: | Paleogene | Epoch: | Eocene |
Stage: | Lutetian | 10 m.y. bin: | Cenozoic 2 |
*Period: | Early/Lower Tertiary | *Epoch: | Early/Lower Eocene - Middle Eocene | *Local age/stage: | Bridgerian |
Key time interval: | Lutetian | ||
Age range of interval: | 47.80000 - 41.20000 m.y. ago | ||
* legacy (obsolete) database fields |
Stratigraphy
Geological group: | Claiborne | Formation: | Tallahatta | ||
Stratigraphic resolution: | formation | ||||
Stratigraphy comments: 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.
Later placed in the lowermost Lisbon Formation by Clayton et al., 2013. |
Lithology and environment
Primary lithology: | poorly lithified sandy sandstone |
Secondary lithology: | poorly lithified claystone |
Lithology description: "The formation consists primarily of sand, sandstone, clay, and claystone, ranging in thickness from 20 to 40 m at the outcropping." | |
Environment: | estuary/bay |
Geology comments: "The formation consists primarily of sand, sandstone, clay, and claystone, ranging in thickness from 20 to 40 m at the outcropping."
|
Taphonomy
Modes of preservation: | body,charcoalification |
Size of fossils: | macrofossils |
Disassociated major elements: | all |
Fragmentation: | occasional |
Collection methods and comments
Collection excludes: | some macrofossils |
Collection methods: | field collection |
Reason for describing collection: | taxonomic analysis |
Collection method comments: 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. |
Metadata
Also known as: | Point "A" Dam Site, Conecuh River | ||
Database number: | 13346 | ||
Authorizer: | J. Alroy, M. Uhen, P. Holroyd | Enterer: | R. Whatley, P. Holroyd, M. Uhen |
Modifier: | M. Uhen | Research group: | vertebrate |
Created: | 2002-03-01 15:03:16 | Last modified: | 2019-12-02 13:56:41 |
Access level: | the public | Released: | 2002-03-01 15:03:16 |
Creative Commons license: | CC BY |
Reference information
Primary reference:
688. | 5% 22180 | 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] |
Secondary references:
40972 | A. A. Clayton. 2009. Analysis of an Eocene Bonebed Contained within the Tallahatta Formation, of Covington County, Alabama. NAPC Abstracts 9:337 [M. Uhen/M. Uhen] | |
71116 | A. A. Clayton, C. N. Ciampaglio, and D. J. Cicimurri. 2013. An inquiry into the stratigraphic occurrence of a Claibornian (Eocene) vertebrate fauna from Covington County, Alabama. Bulletin of the Alabama Museum of Natural History 31(2):60-73 [M. Uhen/M. Uhen/M. Uhen] | |
71654 | R. M. Feldmann and R. W. Portell. 2007. First report of Costacopluma Collins and Morris, 1975 (Decapoda: Brachyura: Retroplumidae) from the Eocene of Alabama, U.S.A. Journal of Crustacean Biology 21(1):90-96 [M. Uhen/M. Uhen] | |
53869 | decapod | R. M. Feldmann, C. E. Schweitzer, and R. W. Portell. 2014. Crabs (Decapoda, Brachyura) from the lower Paleocene of Alabama, USA. Scripta Geologica 147:135-151 [C. Schweitzer/L. Baltzly] |
18097 | P. A. Holroyd, J. F. Parham, and J. H. Hutchison. 2005. A reappraisal of some Paleogene turtles from the southeastern United States. Journal of Vertebrate Paleontology 25(4):979-982 [P. Holroyd/P. Holroyd] | |
58398 | 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] |