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Edmontonia

Reptilia - Nodosauridae

Taxonomy
Edmontonia was named by Sternberg (1928). It is the type genus of Edmontoniidae. It was considered monophyletic by Vickaryous et al. (2004).

It was synonymized subjectively with Panoplosaurus by Coombs (1978), Coombs (1978), Dodson (1983), Tumanova (1987) and Jasinski et al. (2011).

It was assigned to Ankylosauridae by Maleev (1956); to Panoplosaurinae by Nopcsa (1929) and Russell and Chamney (1967); to Edmontoniinae by Russell (1940), Bakker (1988), Ford (2000) and Blows (2001); to Nodosauridae by Lü et al. (2007); and to Nodosauridae by Hay (1930), Russell (1930), Romer (1956), Parsch (1963), Tatarinov (1964), Kuhn (1964), Simmons (1965), Romer (1966), Langston (1975), Langston (1976), Wolberg (1980), Breithaupt (1985), Carpenter (1990), Weishampel et al. (1991), Molnar (1996), Gasparini et al. (1996), Coombs and Deméré (1996), Vickaryous and Ryan (1997), Eberth (1997), Dodson (1997), Pereda Suberbiola and Galton (1997), Kirkland (1998), Eberth et al. (2001), Vickaryous et al. (2001), Carpenter (2001), Coria and Salgado (2001), Carpenter (2001), Pereda Suberbiola and Galton (2001), Carpenter et al. (2001), Garcia and Pereda-Suberbiola (2003), Vickaryous et al. (2004), Ryan and Evans (2005), Vickaryous (2006), Lü et al. (2007), Burns (2007), Longrich (2008), Carpenter et al. (2008), Burns (2008), Osi and Makádi (2009), Parsons and Parsons (2009), Rivera-Sylva et al. (2011), Kirkland et al. (2013), Han et al. (2014), Arbour et al. (2014), Blows and Honeysett (2014), Blows (2014), Jasinski (2015), Yang et al. (2017) and Galton (2019).

Synonyms
Synonymy list
YearName and author
1928Edmontonia Sternberg p. 93
1929Edmontonia Nopcsa p. 70
1930Edmontonia Hay p. 237
1930Edmontonia Russell p. 151
1940Edmontonia Russell p. 26
1956Edmontonia Maleev
1956Edmontonia Romer p. 635
1963Edmontonia Parsch p. 8
1964Edmontonia Kuhn p. 46
1964Edmontonia Tatarinov p. 577
1965Edmontonia Simmons p. 69
1966Edmontonia Romer p. 370
1967Edmontonia Russell and Chamney p. 11
1975Edmontonia Langston p. 1606
1976Edmontonia Langston p. 126
1980Edmontonia Wolberg p. 50
1985Edmontonia Breithaupt p. 165
1988Denversaurus Bakker p. 1 figs. 1-2
1988Edmontonia Bakker pp. 18-20
1988Edmontonia (Chassternbergia) Bakker p. 18
1988Denversaurus Bakker p. 21 fig. 10
1990Edmontonia Carpenter pp. 285-286
1991Edmontonia Weishampel et al. p. 208
1992Chassternbergia Olshevsky p. 205
1996Edmontonia Coombs, Jr. and Deméré p. 319
1996Edmontonia Gasparini et al. p. 584
1996Edmontonia Molnar p. 660
1997Edmontonia Dodson p. 12
1997Edmontonia Eberth p. 201
1997Edmontonia Pereda Suberbiola and Galton p. 213
1997Edmontonia Vickaryous and Ryan p. 490
1998Edmontonia Kirkland p. 273 fig. 3
2000Edmontonia Ford p. 170
2000Chassternbergia Ford p. 174
2000Denversaurus Ford p. 175
2001Edmontonia Blows p. 378
2001Edmontonia Carpenter p. 171
2001Edmontonia Carpenter et al. p. 235
2001Edmontonia Coria and Salgado p. 163
2001Edmontonia Eberth et al. p. 58
2001Edmontonia Pereda Suberbiola and Galton p. 199
2001Edmontonia Vickaryous et al. p. 1774
2003Edmontonia Garcia and Pereda-Suberbiola p. 161
2004Edmontonia Vickaryous et al. p. 365
2005Edmontonia Ryan and Evans p. 315
2006Edmontonia Vickaryous p. 1011
2007Edmontonia Burns p. 54A
2007Edmontonia Lü et al. p. 889 fig. 1
2007Edmontonia Lü et al. p. 349
2008Edmontonia Burns p. 1108
2008Edmontonia Carpenter et al. p. 1098
2008Edmontonia Longrich p. 994
2009Edmontonia Osi and Makádi p. 239 fig. 10
2009Edmontonia Parsons and Parsons p. 736 fig. 18
2011Edmontonia Rivera-Sylva et al. p. 376
2013Denversaurus Kirkland et al. p. 7
2013Edmontonia Kirkland et al. p. 7
2014Edmontonia Arbour et al. p. 649
2014Edmontonia Blows p. 58
2014Edmontonia Blows and Honeysett p. 837
2014Edmontonia Han et al. p. 14 fig. 11
2015Edmontonia Jasinski p. 79
2017Edmontonia Yang et al. p. 786 fig. 5
2019Edmontonia Galton p. 212

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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
RankNameAuthor
subclassEureptilia()
—Romeriida
—Diapsida()
—Archosauromorpha(Huene 1946)
—Crocopoda
—ArchosauriformesGauthier 1986
—Eucrocopoda
—Archosauria()
informalAvemetatarsalia
—Ornithodira
—Dinosauromorpha
—Dinosauriformes
—Dinosauria()
—Ornithischia()
—Genasauria
—Thyreophora()
—Ankylosauria()
familyNodosauridae
genusEdmontonia

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.

G. †Edmontonia Sternberg 1928
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†Edmontonia longiceps Sternberg 1928
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Invalid names: Denversaurus schlessmani Bakker 1988 [synonym]
Invalid names: Chassternbergia Bakker 1988 [synonym], Denversaurus Bakker 1988 [synonym]
Diagnosis
ReferenceDiagnosis
K. Carpenter 1990(Cranial) snout with parallel or near parallel sides in dorsal view; "smooth" armor; keeled vomer. (Postcranial) neural pedicles short; neural spines shorter and more robust than in Panoplosaurus; three
sacral vertebrae; coracoid large and almost square; scapula not co-ossified with coracoid; manus tetradactyl. (Armor) medial cervical and anterior dorsal armor of transverse bands of subrectangular and oval low keeled plates; lateral armor of spines.