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Galeamopus hayi

Reptilia

Taxonomy
Diplodocus hayi was named by Holland (1924). Its type specimen is HMS 175 (= CM 662), a partial skeleton, and it is a 3D body fossil. Its type locality is Red Fork Powder River Quarry A, which is in a Kimmeridgian/Tithonian pond horizon in the Morrison Formation of Wyoming. It is the type species of Galeamopus.

It was recombined as Galeamopus hayi by Tschopp et al. (2015), Tschopp and Mateus (2017), Tschopp et al. (2019).

Synonymy list
YearName and author
1924Diplodocus hayi Holland
1930Diplodocus hayi Hay p. 199
1932Diplodocus hayi Gilmore p. 7
1933Diplodocus hayi Anonymous p. 306
1970Diplodocus hayi Steel p. 81
1970Diplodocus hayi Swinton p. 182
1981Diplodocus hayi McIntosh p. 21
1990Diplodocus hayi McIntosh p. 26
1996Diplodocus hayi Bakker p. 45
2004Diplodocus hayi Upchurch et al. p. 264
2005Diplodocus hayi Bedell, Jr. and Trexler p. 303
2005Diplodocus hayi McIntosh p. 61
2006Diplodocus hayi Chure et al. p. 236
2006Diplodocus hayi Lucas et al. p. 160
2006Diplodocus hayi Mateus p. 231
2011Diplodocus hayi Tucker p. 529
2013Diplodocus hayi Tschopp and Mateus p. 325
2015Galeamopus hayi Tschopp et al.
2017Galeamopus hayi Tschopp and Mateus
2019Galeamopus hayi Tschopp et al. p. 3

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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)
genusGaleamopus
specieshayi(Holland 1924)

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.

†Galeamopus hayi Holland 1924
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Diagnosis
No diagnoses are available
Body mass estimates
estimateequationreference
 25.8 tons Sauropoda femur circumferenceAnderson et al. 1985
 8.43 tons Sauropoda humerus circumferenceAnderson et al. 1985
mean: 14.8 tons
Measurements
partNmeanminimummaximummedians.d.
femur circumference1590.0----
fibula circumference1279.0----
humerus circumference2459.4449.0470.0459.514.8
radius circumference2248.5233.0265.0249.022.6
tibia circumference1444.0----
ulna circumference1275.0----

Composition: hydroxyapatiteinfrao
Entire body: yesinfrao
Adult length: 10 to < 100infrao
Adult width: 10 to < 100infrao
Adult height: 10 to < 100infrao
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: 2004-12-14 12:49:10
Modified: 2004-12-14 14:49:10
Source: infrao = infraorder
Reference: Marsh 1875

Age range: base of the Kimmeridgian to the top of the Tithonian or 154.80000 to 143.10000 Ma

Collections (2 total)


Time interval Ma Country or state Original ID and collection number
Kimmeridgian - Tithonian154.8 - 143.1USA (Wyoming) Diplodocus carnegii (type locality: 48565) Galeamopus hayi (22648)