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Ptychotrygon eutawensis

Chondrichthyes - Rajiformes - Ptychotrygonidae

Taxonomy
Ptychotrygon eutawensis was named by Case et al. (2001). It is a 3D body fossil. Its type locality is Eutaw Formation, Georgia, which is in a Santonian/Santonian marine sandstone/mudstone in the Eutaw Formation of Georgia.

It was considered a nomen nudum by Meyer (1974), Kriwet et al. (2009).

Sister species lacking formal opinion data

Synonymy list
YearName and author
2001Ptychotrygon eutawensis Case et al.
2011Ptychotrygon eutawensis Bourdon et al. p. 33 figs. 20A-F

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
RankNameAuthor
infraclassEuselachii()
NeoselachiiCompagno 1977
superorderBatomorphii
orderRajiformesBerg 1940
suborderSclerorhynchoidei
familyPtychotrygonidae
genusPtychotrygonJaekel 1894
specieseutawensisCase et al. 2001

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

Ptychotrygon eutawensis Case et al. 2001
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivoreo
Created: 2009-07-21 07:15:23
Modified: 2009-07-21 09:15:23
Source: o = order, subp = subphylum
References: Hendy et al. 2009, Wagner 2023, Carroll 1988

Age range: base of the Early/Lower Santonian to the top of the Middle Santonian or 85.70000 to 83.60000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Santonian - Middle Santonian85.7 - 83.6USA (New Mexico) Ptychotrygon eutawensis, Ptychotrygon triangularis (52037)
Early/Lower Santonian - Middle Santonian85.7 - 83.6USA (Georgia) Ptychotrygon eutawensis (type locality: 61769)