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Ptychodus mortoni

Chondrichthyes - Hybodontiformes - Ptychodontidae

Taxonomy
Ptychodus mortoni was named by Agassiz (1843).

It was recombined as Hemiptychodus mortoni by Hay (1902).

Synonymy list
YearName and author
1843Ptychodus mortoni Agassiz p. 158
1873Ptychodus mortoni Leidy p. 295
1889Ptychodus mortoni Woodward p. 149
1902Hemiptychodus mortoni Hay p. 317
1970Ptychodus mortoni Applegate p. 393
1975Ptychodus mortoni Herman p. 54
1981Ptychodus mortoni Thurmond and Jones p. 41

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Nephrozoa
Deuterostomia
phylumChordataHaeckel 1847
subphylumVertebrata
superclassGnathostomata
classChondrichthyes
RankNameAuthor
subclassElasmobranchiiBonaparte 1838
infraclassEuselachii()
Hybodontida
orderHybodontiformes(Patterson 1966)
superfamilyHybodontoidea
familyPtychodontidae
genusPtychodus
speciesmortoni

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.

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 2017, Carroll 1988

Age range: base of the Santonian to the top of the Late/Upper Maastrichtian or 86.30000 to 66.00000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Turonian - Early/Lower Coniacian93.5 - 85.8Mexico (Coahuila) Ptychodus mortoni (92293)
Late/Upper Coniacian - Early/Lower Campanian89.3 - 70.6USA (Mississippi) Ptychodus mortoni (164393)
Santonian86.3 - 83.6USA (Kansas) Ptychodus mortoni (94652)
Early/Lower Santonian - Middle Santonian85.8 - 83.5USA (Georgia) Ptychodus mortoni (61769)
Early/Lower Campanian83.5 - 70.6USA (Alabama) Ptychodus mortoni (171351)
Late/Upper Maastrichtian70.6 - 66.0USA (Alabama) Ptychodus mortoni (4203)