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Thescelosaurus neglectus

Reptilia

Taxonomy
Thescelosaurus neglectus was named by Gilmore (1913). Its type specimen is USNM 7757, a partial skeleton, and it is a 3D body fossil. Its type locality is Thescelosaurus type, Dogie Creek, which is in a Maastrichtian terrestrial horizon in the Lance Formation of Wyoming.

Synonymy list
YearName and author
1913Thescelosaurus neglectus Gilmore p. 1
1914Thescelosaurus neglectus Brown p. 358
1915Thescelosaurus neglectus Gilmore pp. 612-613
1925Thescelosaurus neglectus Gilmore p. 388
1926Thescelosaurus neglectus Parks p. 4
1927Thescelosaurus neglectus Huene p. 261
1930Thescelosaurus neglectus Hay p. 207
1930Thescelosaurus neglectus Russell p. 140
1936Thescelosaurus neglectus Swinton p. 574
1937Thescelosaurus neglectus Sternberg p. 375
1940Thescelosaurus neglectus Sternberg pp. 492-493
1963Thescelosaurus neglectus Anonymous p. 356
1964Thescelosaurus neglectus Estes p. 144
1964Thescelosaurus neglectus Kuhn p. 6
1964Thescelosaurus neglectus Russell p. 18
1964Thescelosaurus neglectus Tatarinov p. 570
1965Thescelosaurus neglectus Ostrom p. 39
1967Thescelosaurus neglectus Charig p. 716
1974Thescelosaurus neglectus Thulborn p. 169
1976Thescelosaurus neglectus Sloan p. 145
1979Thescelosaurus neglectus Jurcsak and Popa p. 41
1980Thescelosaurus neglectus Wolberg p. 50
1981Thescelosaurus neglectus McIntosh p. 30
1983Thescelosaurus neglectus Weishampel and Weishampel p. 44
1985Thescelosaurus neglectus Breithaupt p. 169
1989Thescelosaurus neglectus Galton p. 218
1990Thescelosaurus neglectus Sues and Norman p. 500
1992Thescelosaurus neglectus Weishampel and Heinrich p. 171
1994Thescelosaurus neglectus Derstler p. 136
1995Thescelosaurus neglectus Galton pp. 307-308
1997Thescelosaurus neglectus Eberth p. 202
1997Thescelosaurus neglectus Sues p. 356
2001Thescelosaurus neglectus Eberth et al. p. 66
2002Thescelosaurus neglectus Buchholz p. 19
2004Thescelosaurus neglectus Norman et al. p. 395
2005Thescelosaurus neglectus Ryan and Evans p. 329
2007Thescelosaurus neglectus Hübner and Rauhut p. 372
2008Thescelosaurus neglectus Butler et al. p. 11
2008Thescelosaurus neglectus Longrich p. 136
2009Thescelosaurus neglectus Boyd et al. p. 763
2009Thescelosaurus neglectus Butler and Galton p. 636
2009Thescelosaurus neglectus Butler and Sullivan p. 31
2009Thescelosaurus neglectus Galton p. 215
2011Thescelosaurus neglectus Cleland et al. p. 203
2012Thescelosaurus neglectus Han et al. p. 1370
2013Thescelosaurus neglectus Brown et al. p. 495
2016Thescelosaurus neglectus Becerra et al. p. 558
2016Thescelosaurus neglectus Dieudonné et al. p. 27
2018Thescelosaurus neglectus Bell et al. p. 10
2018Thescelosaurus neglectus Herne et al. p. 42
2018Thescelosaurus neglectus Madzia et al. p. 972
2019Thescelosaurus neglectus Andrzejewski et al. p. 9
2019Thescelosaurus neglectus Cruzado-Caballero et al. p. 213
2019Thescelosaurus neglectus Herne et al. p. 556
2020Thescelosaurus neglectus Dieudonné et al.
2020Thescelosaurus neglectus Dieudonné et al. p. 411

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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()
RankNameAuthor
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Cerapoda
—Ornithopoda()
—Clypeodonta
genusThescelosaurus
speciesneglectus

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.

†Thescelosaurus neglectus Gilmore 1913
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Diagnosis
ReferenceDiagnosis
R. J. Butler et al. 2008A large notch or foramen within the supraoccipital, dorsal to the foramen magnum.
C. A. Boyd et al. 2009This species differs from Thescelosaurus garbanii in: retention of calcaneum participation in midtarsal joint.
Measurements
No measurements are available
Composition: hydroxyapatiteo
Entire body: yesg
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: 2005-08-25 05:59:26
Modified: 2005-08-25 07:59:26
Source: g = genus, subo = suborder, o = order
References: Peczkis 1995, Marsh 1875, Benton 1983

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

Collections (28 total)


Time interval Ma Country or state Original ID and collection number
Late/Upper Campanian83.5 - 70.6Canada (Alberta) Thescelosaurus neglectus (45261 45262 45264 47816)
Middle Campanian83.5 - 70.6Canada (Alberta) Thescelosaurus neglectus (45240 47794 47795 47809)
Maastrichtian72.1 - 66.0USA (Montana) Dinosauria indet. (54081)
Lancian70.6 - 66.0USA (North Dakota) Thescelosaurus neglectus (14610)
Lancian70.6 - 66.0USA (South Dakota) Thescelosaurus neglectus (14537 192251)
Late/Upper Maastrichtian70.6 - 66.0USA (North Dakota) Thescelosaurus neglectus (45098 45099 45102 45128 45136 45144)
Late/Upper Maastrichtian70.6 - 66.0USA (South Dakota) Thescelosaurus neglectus (45390 50084) Thescelosaurus sp. (224484)
Late/Upper Maastrichtian70.6 - 66.0Canada (Saskatchewan) Thescelosaurus neglectus (45675)
Late/Upper Maastrichtian70.6 - 66.0USA (Wyoming) Thescelosaurus neglectus (type locality: 48626 50085)
Late/Upper Maastrichtian70.6 - 66.0USA (Montana) Dinosauria indet. (54080) Thescelosaurus neglectus (14674 48629 142326)