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Spheroolithus albertensis

Reptilia - Spheroolithidae

Taxonomy
Spheroolithus albertensis was named by Zelenitsky and Hills (1997). It is considered to be a form taxon. Its type specimen is RTMP 94.157.63, an egg, and it is not a trace fossil. Its type locality is Devil's Coulee (general), which is in a Campanian terrestrial mudstone in the Oldman Formation of Canada.

Synonymy list
YearName and author
1997Spheroolithus albertensis Zelenitsky and Hills p. 167 fig. 2
2000Spheroolithus albertensis Zelenitsky p. 23
2001Spheroolithus albertensis Hirsch p. 387
2005Spheroolithus albertensis Zelenitsky and Sloboda p. 402
2010Spheroolithus albertensis Jackson and Varricchio p. 1144
2014Spheroolithus albertensis Moreno-Azanza et al. p. 84
2014Spheroolithus albertensis Sellés et al. p. 725

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
—Osteichthyes()
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
—Tetrapoda
—Reptiliomorpha
—Anthracosauria
subclassAmphibiosauriaKuhn 1967
—Cotylosauria()
—Amniota
—Sauropsida
classReptilia
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
RankNameAuthor
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Cerapoda
—Ornithopoda()
—Clypeodonta
—Iguanodontia()
—Dryomorpha
—Styracosterna
—Hadrosauriformes
—Hadrosauroidea()
familySpheroolithidae
genusSpheroolithus
speciesalbertensis

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.

†Spheroolithus albertensis Zelenitsky and Hills 1997
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatiteo
Entire body: yeso
Adult length: 10 to < 100o
Adult width: 1.0 to < 10o
Adult height: 1.0 to < 10o
Architecture: compact or denseo
Ontogeny: accretion, modification of partso
Grouping: gregariouso
Environment: terrestrialo
Locomotion: actively mobileo
Life habit: ground dwellingo
Diet: herbivoresubo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2009-01-03 20:40:05
Modified: 2009-01-03 22:40:05
Source: subo = suborder, o = order
References: Marsh 1875, Benton 1983

Age range: Late/Upper Campanian or 83.50000 to 70.60000 Ma

Collections (6 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.5 - 70.6Canada (Alberta) Spheroolithus albertensis (22698 47816 type locality: 52991 52992)
Late/Upper Campanian83.5 - 70.6USA (Montana) Spheroolithus albertensis (13282)
Middle Campanian83.5 - 70.6Canada (Alberta) Spheroolithus albertensis (45240)