Eutaw Formation
| Eutaw Formation | |
|---|---|
Mooreville Chalk Formation | |
| Overlies | Tuscaloosa Group |
| Thickness | 40 m (130 ft) to 120 m (390 ft) |
| Lithology | |
| Primary | Glauconitic sandstone |
| Location | |
| Region | Alabama, Georgia, Mississippi |
| Country | United States |
| Type section | |
| Named for | Eutaw, Alabama |
The Eutaw Formation is a geological
Vertebrate paleofauna
Cartilaginous fish
Cartilaginous fish of the Eutaw Formation
| ||||||
|---|---|---|---|---|---|---|
| Taxa | Species | State | Stratigraphic position | Abundance | Notes | Images |
|
A. kopingensis[4] |
A lamniform shark
|
    | ||||
|
B. schwimmeri[4] |
A sclerorhynchid
| |||||
|
B. mcnultyi[4] |
Myliobatids
| |||||
|
B. wichitaensis[4] |
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|
C. sp.[4] |
A lamniform shark
| |||||
|
C. globidens[4] |
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|
C. decipiens (=C. meyeri or C. saginatus?)[4] |
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|
C. greeni[4] |
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|
C. semiplicatus[4] |
A lamniform shark
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|
C. appendiculata[4] |
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|
C. serrata[4] |
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|
C. mantelli[4] |
A lamniform shark
| |||||
|
E. sp.[4] |
A chimaera | |||||
|
|
H. sp.[4] |
|||||
|
H. sp.[4] |
A hybodontid
| |||||
|
I. mira[4] |
A rajiform | |||||
|
Lissodus (=Lonchidion?) |
L. sp.[4] |
A hybodontid
| ||||
|
P. angustidens[4] |
A lamniform shark
| |||||
|
P. laevis[4] |
A lamniform shark
| |||||
|
P. mcnultyi[4] |
A rajiform | |||||
|
P. mortoni[4] |
Ptychodontids
| |||||
|
P. polygyrus[4] |
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|
P. rugosus[4] |
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|
P. triangularis (=P. vermiculata and/or P. chattahoochiensis?)[4] |
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|
Rajiformes indet.[4] |
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|
S. raphiodon[4] |
Lamniform sharks | |||||
|
S. texanus[4] |
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|
S. sp.[4] |
A rajiform | |||||
|
S. falcatus[4] |
Lamniform sharks | |||||
|
S. kaupi[4] |
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|
S. pristodontus[4] |
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|
|
A squatinid
| |||||
Bony fish
Bony fish of the Eutaw Formation
| ||||||
|---|---|---|---|---|---|---|
| Taxa | Species | State | Stratigraphic position | Abundance | Notes | Images |
|
A. dunklei[4] |
A bonefish |
    | ||||
|
A. phaseolus[4] |
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|
A. sp.?[4] |
A gar | |||||
|
B. sp.[4] |
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|
B. sp.[4] |
An aspidorhynchiform
| |||||
|
E. petrosus[4] |
An enchodontid | |||||
|
H. priscus[4] |
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|
L. sp.[4] |
A gar | |||||
|
M. sp.[4] |
A coelacanthiform fish
| |||||
|
P. puncatatus[4] |
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|
P. sp.[4] |
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|
S. apicalis[4] |
An aulopiform | |||||
|
X. audax[4] |
An ichthyodectid
| |||||
Turtles
Turtles of the Eutaw Formation
| ||||||
|---|---|---|---|---|---|---|
| Taxa | Species | State | Stratigraphic position | Abundance | Notes | Images |
|
C. barberi[4] |
 | |||||
|
P. gigas[4] |
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|
T. sp.[4] |
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|
T. sp.[4] |
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|
Trionychidae indet.[4] |
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Plesiosaurs
Plesiosaurs of the Eutaw Formation
| ||||||
|---|---|---|---|---|---|---|
| Taxa | Species | State | Stratigraphic position | Abundance | Notes | Images |
|
D. vetustus[4] |
An elasmosaurid
|
 | ||||
|
Elasmosauridae indet.[4] |
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Mosasaurs
Mosasaurs of the Eutaw Formation
| ||||||
|---|---|---|---|---|---|---|
| Taxa | Species | State | Stratigraphic position | Abundance | Notes | Images |
|
A mosasaurine
|
   | |||||
|
A halisaurine
| ||||||
|
G. alabamaensis[4] |
A mosasaurine
| |||||
|
A plioplatecarpine
| ||||||
|
P. sp.[4] |
A plioplatecarpine
| |||||
|
A plioplatecarpine
| ||||||
|
T. nepaeolicus[4] |
Tylosaurines
| |||||
|
T. proriger[4] |
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Crocodylians
Crocodylians of the Eutaw Formation
| ||||||
|---|---|---|---|---|---|---|
| Genus | Species | State | Stratigraphic position | Abundance | Notes | Images |
|
B. sp.[4] |
An eusuchian |
 | ||||
|
D. rugosus?[4] |
An alligatoroid
| |||||
|
L. sp.[4] |
An alligatoroid
| |||||
Ornithodires
Dinosaur feathers have been found in the Ingersoll Shale of Georgia, which is a subunit of the Eutaw Formation.[3] Indeterminate hadrosaurid remains have been found in Mississippi.[6] Ornithomimosaurs of medium-size and large-size have also been unearthed in Mississippi.[7]
Ornithodires of the Eutaw Formation
| ||||||
|---|---|---|---|---|---|---|
| Genus | Species | State | Stratigraphic position | Abundance | Notes | Images |
|
L. atopus[4] |
A hadrosauromorph dinosaur
|
  | ||||
|
Indeterminate |
A pteranodontid pterosaur
| |||||
See also
References
- ^ Liu, Kaiyu. "Facies Changes of the Eutaw Formation (Coniacian-Santonian), Onshore to Offshore, Northeastern Gulf of Mexico Area". Department of Geological Sciences. University of Alabama. Retrieved 2009-02-10.
- ^ S2CID 130280406.
- ^ a b c "Coastal Plain Geologic Province". The New Georgia Encyclopedia. Georgia Humanities Council and the University of Georgia Press. 2007-08-30. Retrieved 2009-02-10.
- ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj ak al am an ao ap aq ar as at au av aw ax ay az ba bb bc bd be bf bg bh bi bj bk bl bm bn bo bp bq br bs bt bu bv bw bx by bz ca cb cc cd ce cf cg ch ci cj ck cl cm cn co cp cq cr cs ct cu cv cw cx cy cz da db dc dd de df dg dh di dj dk dl dm Kejiri, T.; Ebersole, J.A.; Blewitt, H.L.; Ebersole, S.M. (2013). "An Overview of Late Cretaceous Vertebrates from Alabama". Bulletin of the Alabama Museum of Natural History. 31 (1): 46–71.
- .
- JSTOR 1302869.
- )