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Ptychodus occidentalis

Chondrichthyes - Hybodontiformes - Ptychodontidae

Taxonomy
Ptychodus occidentalis was named by Leidy (1868).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1868Ptychodus occidentalis Leidy
1873Ptychodus occidentalis Leidy p. 298
1902Ptychodus occidentalis Hay p. 318
2006Ptychodus occidentalis Shimada et al. p. 6 figs. 6.6-6.9
2008Ptychodus occidentalis Shimada and Martin p. 91 fig. 4C
2009Ptychodus occidentalis Shimada et al. p. 336 figs. 1-6

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassElasmobranchiiBonaparte 1838
infraclassEuselachii()
orderHybodontiformes(Patterson 1966)
familyPtychodontidae
genusPtychodus
speciesoccidentalisLeidy 1868

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.

Ptychodus occidentalis Leidy 1868
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobilec
Life habit: nektonicc
Diet: carnivorec
Created: 2004-08-17 13:49:23
Modified: 2009-12-13 03:31:01
Source: c = class, subp = subphylum
References: Wagner 2023, Carroll 1988

Age range: base of the Late/Upper Cenomanian to the top of the Early/Lower Turonian or 99.60000 to 89.30000 Ma

Collections (12 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Cenomanian99.6 - 93.5USA (Kansas) Ptychodus occidentalis (213414 213416 213417 213418 213419)
Late/Upper Cenomanian99.6 - 93.5USA (South Dakota) Ptychodus occidentalis (117819)
Middle Cenomanian99.6 - 93.5USA (Kansas) Ptychodus occidentalis (94538)
Middle Cenomanian99.6 - 93.5Canada (Saskatchewan) Ptychodus occidentalis (52997)
Middle Cenomanian99.6 - 93.5USA (Colorado) Ptychodus occidentalis (35429 213403)
Early/Lower Turonian93.5 - 89.3USA (Nebraska) Ptychodus occidentalis (213402)
Early/Lower Turonian93.5 - 89.3USA (Kansas) Ptychodus occidentalis (213410)