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Diplodocus hallorum

Reptilia

Taxonomy
Seismosaurus halli was named by Gillette (1991). Its type specimen is NMMNH P-3690, a set of postcrania, and it is not a trace fossil. Its type locality is NMMNH locality L-344, which is in a Kimmeridgian/Tithonian channel sandstone in the Morrison Formation of New Mexico.

It was corrected as Seismosaurus hallorum by Hunt and Lucas (1993), Olshevsky (2000), Mateus (2006), Herne and Lucas (2006), Carpenter (2006), Chure et al. (2006) and Cerda (2008); it was recombined as Diplodocus hallorum by Lucas and Heckert (2000), Lucas et al. (2006), Dumont et al. (2011), Woodruff and Foster (2014), Tschopp et al. (2015) and Moro et al. (2020).

Synonymy list
YearName and author
1991Seismosaurus halli Gillette
1993Seismosaurus hallorum Hunt and Lucas p. 73
2000Diplodocus hallorum Lucas and Heckert p. 44
2000Seismosaurus hallorum Olshevsky p. 91
2002Seismosaurus halli Wilson p. 249
2004Seismosaurus halli Upchurch et al. p. 265
2006Seismosaurus hallorum Carpenter p. 131
2006Seismosaurus hallorum Chure et al. p. 236
2006Seismosaurus hallorum Herne and Lucas p. 139
2006Seismosaurus halli Lee and Lee p. 6
2006Diplodocus hallorum Lucas et al. p. 160
2006Seismosaurus hallorum Mateus p. 231
2006Seismosaurus halli Royo-Torres et al. figs. Table S3
2008Seismosaurus hallorum Cerda p. 351
2011Diplodocus hallorum Dumont et al. p. 114
2014Diplodocus hallorum Woodruff and Foster p. 216
2015Diplodocus hallorum Tschopp et al.
2020Diplodocus hallorum Moro et al.

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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()
RankNameAuthor
Archosauromorpha(Huene 1946)
Crocopoda
ArchosauriformesGauthier 1986
Eucrocopoda
Archosauria()
informalAvemetatarsalia
Ornithodira
Dinosauromorpha
Dinosauriformes
Dinosauria()
Saurischia()
Sauropoda()
Gravisauria
Eusauropoda
Neosauropoda
Diplodocoidea()
Diplodocimorpha
Flagellicaudata
Diplodocidae()
Diplodocinae(Janensch 1929)
genusDiplodocus
specieshallorum()

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.

Diplodocus hallorum Gillette 1991
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: hydroxyapatiteinfrao
Entire body: yesg
Adult length: 10^4 to < 10^5g
Thickness: thickinfrao
Architecture: compact or denseinfrao
Form: sphericalinfrao
Ontogeny: accretion, modification of partsinfrao
Grouping: gregariousinfrao
Environment: terrestrialinfrao
Locomotion: actively mobileinfrao
Life habit: ground dwellinginfrao
Diet: herbivoreinfrao
Reproduction: oviparousinfrao
Dispersal: direct/internalinfrao
Dispersal 2: mobileinfrao
Created: 2005-08-24 13:39:54
Modified: 2005-08-24 15:39:54
Source: g = genus, infrao = infraorder
References: Marsh 1875, Peczkis 1995

Age range: Early/Lower Tithonian or 150.80000 to 145.00000 Ma

Collections (3 total)


Time interval Ma Country or state Original ID and collection number
Kimmeridgian - Tithonian157.3 - 145.0USA (Wyoming) Diplodocus longus (168056)
Kimmeridgian - Tithonian157.3 - 145.0USA (New Mexico) Diplodocinae indet. (type locality: 51992)
Early/Lower Tithonian150.8 - 145.0USA (Utah) Diplodocus hallorum (21852)