Basic info Taxonomic history Classification Included Taxa
Morphology Ecology and taphonomy External Literature Search Age range and collections

Megactenopetalus kaibabanus

Chondrichthyes - Petalodontiformes - Pristodontidae

Taxonomy
Megactenopetalus kaibabanus was named by David (1944). Its type specimen is Mus N. Ariz G2.2280, a set of teeth, and it is a 3D body fossil. Its type locality is Point Sublime, Grand Canyon north rim, which is in a Kungurian shallow subtidal limestone in the Kaibab Formation of Arizona.

Synonyms
Synonymy list
YearName and author
1944Megactenopetalus kaibabanus David p. 90 figs. Pl 18, figs 1,2
1950Petalodus shingkuoi Young
1965Petalodus shingkuoi Liu and Xie p. 282 figs. Pl 1, figs 1,2
1978Megactenopetalus kaibabanus Hansen p. 55 figs. Pl 1, figs 1-6
1980Megactenopetalus kaibabanus Hansen p. 186 fig. 1

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
RankNameAuthor
classChondrichthyes
subclassHolocephali(Bonaparte 1832)
orderPetalodontiformes()
familyPristodontidaeWoodward 1889
genusMegactenopetalus
specieskaibabanus

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.

show all | hide all
Invalid names: Petalodus shingkuoi Young 1950 [synonym]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: phosphaticsubp
Environment: marinesubp
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Created: 2009-07-21 07:09:25
Modified: 2009-07-21 09:09:25
Source: o = order, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Wagner 2023

Age range: base of the Gzhelian to the top of the Wuchiapingian or 303.70000 to 254.14000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Gzhelian303.7 - 298.9USA (Kansas) Megactenopetalus kaibabanus (146376)
Asselian298.9 - 293.52USA (Oklahoma) Megactenopetalus kaibabanus (146375)
Kungurian283.3 - 274.4USA (Arizona) Megactenopetalus kaibabanus (type locality: 90277)
Kungurian283.3 - 274.4USA (Texas) Megactenopetalus kaibabanus (118958 118959)
Roadian274.4 - 266.9USA (Arizona) Megactenopetalus kaibabanus (90287 118961)
Guadalupian274.4 - 259.51China (Shaanxi) Petalodus shingkuoi (146377)
Wuchiapingian259.51 - 254.14China (Sichuan) Petalodus shingkuoi (146378)