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Restesia americana

Chondrichthyes - Orectolobiformes - Orectolobidae

Taxonomy
Squatirhina americana was named by Estes (1964). Its type specimen is UCMP 55820, a tooth, and it is a 3D body fossil. Its type locality is Lull 2 Quarry (UCMP V-5620), which is in a Maastrichtian terrestrial sandstone in the Lance Formation of Wyoming. It is the type species of Restesia.

It was recombined as Restesia americana by Cook et al. (2014).

Synonymy list
YearName and author
1964Squatirhina americana Estes p. 12
1989Squatirhina americana Bryant p. 11
2014Restesia americana Cook et al. p. 235–236

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classChondrichthyes
RankNameAuthor
subclassElasmobranchiiBonaparte 1838
infraclassEuselachii()
NeoselachiiCompagno 1977
superorderGaleomorphiiCompagno 1973
orderOrectolobiformesApplegate 1972
familyOrectolobidaeJordan and Fowler 1903
genusRestesia
speciesamericana()

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.

Restesia americana Estes 1964
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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 07:07:32
Modified: 2009-07-21 09:07:32
Source: o = order, subp = subphylum
References: Hendy et al. 2009, Carroll 1988, Wagner 2023

Age range: base of the Maastrichtian to the top of the Lancian or 72.10000 to 66.00000 Ma

Collections (26 total)


Time interval Ma Country or state Original ID and collection number
Judithian83.5 - 70.6USA (Texas) Squatirhina americana (14489)
Judithian83.5 - 70.6USA (Wyoming) Squatirhina americana (14458)
Late/Upper Campanian83.5 - 70.6Canada (Alberta) Squatirhina americana (34305 34307 34322)
Late/Upper Campanian83.5 - 70.6USA (New Mexico) Squatirhina americana (36541)
Middle Campanian - Late/Upper Campanian83.5 - 70.6USA (Texas) Restesia americana (212186) Squatirhina americana (68003)
Maastrichtian72.1 - 66.0USA (Montana) Restesia americana (85499)
Early/Lower Maastrichtian70.6 - 66.0Canada (Alberta) Squatirhina americana (14502)
Lancian70.6 - 66.0USA (Colorado) Squatirhina americana (14640)
Lancian70.6 - 66.0USA (Wyoming) Squatirhina americana (14514 14540 14544 70343)
Lancian70.6 - 66.0USA (Montana) Restesia americana (144500 144502) Squatirhina americana (14536 14548 14549 14568 14582)
Late/Upper Maastrichtian70.6 - 66.0USA (Montana) Squatirhina americana (183109)
Late/Upper Maastrichtian70.6 - 66.0USA (Wyoming) Squatirhina americana (type locality: 14585)
Late/Upper Maastrichtian70.6 - 66.0USA (North Dakota) Squatirhina americana (45128 45144)