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Preprismatoolithus coloradensis

Osteichthyes - Prismatoolithidae

Taxonomy
Prismatoolithus coloradensis was named by Hirsch (1994). It is considered to be a form taxon. Its type specimen is MWC 122.3.1/HEC 457, an egg, and it is a 3D body fossil. Its type locality is Young locality, Delta (MWC–122.1), which is in a Kimmeridgian/Tithonian dry floodplain mudstone/sandstone in the Morrison Formation of Colorado.

It was recombined as Preprismatoolithus coloradensis by Zelenitsky and Hills (1996), Carpenter (1999), Hirsch (2001), Zhao (2003), Sellés et al. (2014), Foster et al. (2016), Wang et al. (2018).

Synonymy list
YearName and author
1994Prismatoolithus coloradensis Hirsch p. 140 figs. 10.3-4, 10.7
1996Preprismatoolithus coloradensis Zelenitsky and Hills p. 1128
1997Prismatoolithus coloradensis Carpenter p. 92
1997Prismatoolithus coloradensis Mikhailov p. 79
1999Preprismatoolithus coloradensis Carpenter p. 8
2001Preprismatoolithus coloradensis Hirsch p. 384
2003Preprismatoolithus coloradensis Zhao p. 161
2014Preprismatoolithus coloradoensis Moreno-Azanza et al. p. 847
2014Preprismatoolithus coloradensis Sellés et al. p. 49
2016Preprismatoolithus coloradensis Foster et al. p. 45
2018Preprismatoolithus coloradensis Wang et al. p. 267

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Deuterostomia
phylumChordataHaeckel 1874
subphylumVertebrata
superclassGnathostomata
classOsteichthyes
subclassSarcopterygii()
subclassDipnotetrapodomorpha(Nelson 2006)
subclassTetrapodomorpha()
Tetrapoda
Reptiliomorpha
Anthracosauria
subclassAmphibiosauriaKuhn 1967
Cotylosauria()
Amniota
Sauropsida
RankNameAuthor
classReptilia
subclassEureptilia()
Romeriida
Diapsida()
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Ornithischia()
familyPrismatoolithidae
genusPreprismatoolithus
speciescoloradensis()

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.

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Diagnosis
ReferenceDiagnosis
K. F. Hirsch 1994As for genus.
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: herbivoreo
Reproduction: oviparouso
Dispersal: direct/internalo
Dispersal 2: mobileo
Created: 2004-12-14 12:50:52
Modified: 2004-12-14 14:50:52
Source: o = order
References: Kiessling 2004, Marsh 1875

Age range: base of the Early/Lower Kimmeridgian to the top of the Early/Lower Tithonian or 154.80000 to 145.06000 Ma

Collections (7 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Kimmeridgian154.8 - 152.21USA (Colorado) Prismatoolithus coloradensis (48156)
Kimmeridgian - Tithonian154.8 - 143.1USA (Colorado) Prismatoolithus coloradensis (48157)
Late/Upper Kimmeridgian - Early/Lower Tithonian152.21 - 145.06USA (Colorado) Dinosauria indet. (type locality: 53021) Prismatoolithus coloradensis (53022)
Tithonian149.2 - 143.1USA (Colorado) Prismatoolithus coloradensis (53040 53041)
Tithonian149.2 - 143.1USA (Utah) Prismatoolithus coloradensis (46439)