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Dacentrurinae

Reptilia - Stegosauridae

Synonymy list
YearName and author
1993Dacentruridae Olshevsky and Ford
2001Dacentruridae Blows p. 137
2009Dacentrurinae Mateus et al.
2014Dacentrurinae Ulansky p. 7
2019Dacentrurinae Costa and Mateus p. 18

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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
Thyreophora()
Stegosauria()
familyStegosauridae
subfamilyDacentrurinae()
subfamilyDacentrurinae()

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.

Subfm. †Dacentrurinae Olshevsky and Ford 1993
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G. †Dacentrurus Lucas 1902
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Dacentrurus armatus Marsh 1877
Invalid names: Omosaurus Owen 1875 [replaced], Omosaurus lennieri Nopcsa 1911 [nomen dubium]
G. †Miragaia Mateus et al. 2009
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Miragaia longicollum Mateus et al. 2009
Miragaia longispinus Gilmore 1914
Invalid names: Alcovasaurus Galton and Carpenter 2016 [synonym], Natronasaurus Ulansky 2014 [synonym]
Diagnosis
ReferenceDiagnosis
O. Mateus et al. 2009All stegosaurs more closely related to D. armatus (Owen 1875) than Stegosaurus armatus (Marsh 1877).
Unambiguous synapomorphies: cervical ribs fused to para- and diapophyses of cervical vertebrae; centra of dorsal vertebrae wider than long; olecranon horn present on ulna; and anterior end of anterior pubic process expanded dorsally.
F. Costa and O. Mateus 2019Modified from [22] and [17]. Dacentrurinae possesses the following synapomorphies: (i) centra of dorsal vertebrae wider than long; (ii) olecranon horn present on ulna; (iii) anterior end of anterior pubic process expanded dorsally; (iv) the supracetabular process of the ilium extends anteriorly beyond the anterior edge of the acetabulum (modified and reinterpreted from [30]).
The following characters are also found to be unique to dacentrurine stegosaurs and likely diagnostic: (v) fusion of some of the cervical ribs to para- and diapophyses of cervical vertebrae (modified from [22]); (vi) mid and posterior caudal centra wider than tall (reinterpreted from [18]); (vii) mid and posterior caudal centra taller than long (reinterpreted from [18]); (viii) mid and posterior caudal centra with deeply concave lateral sides (reinterpreted from [18]).
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
Maximum body mass: 3000 kgg
Minimum body mass: 1000 kgg
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: g = genus, o = order
References: Marsh 1875, Peczkis 1995

Age range: base of the Late/Upper Kimmeridgian to the top of the Early/Lower Barremian or 155.70000 to 125.45000 Ma

Collections (32 total)


Time interval Ma Country or state Original ID and collection number
Kimmeridgian157.3 - 152.1USA (Wyoming) Alcovasaurus longispinus (196439)
Kimmeridgian157.3 - 152.1Portugal (Centro) Omosaurus lennieri (49244)
Kimmeridgian157.3 - 152.1Spain (Asturias) Dacentrurinae indet. (84207)
Kimmeridgian - Tithonian157.3 - 145.0Spain (Teruel) Dacentrurus armatus (146261) Dacentrurus sp. (91396 227113)
Kimmeridgian - Tithonian157.3 - 145.0Spain (Aragon) Dacentrurus sp. (157885 157886)
Kimmeridgian - Tithonian157.3 - 145.0USA (Wyoming) Stegosaurus longispinus (48557)
Kimmeridgian - Tithonian157.3 - 145.0Spain (Valencia) Dacentrurus sp., Stegosauridae indet. (39423)
Early/Lower Kimmeridgian - Late/Upper Kimmeridgian155.7 - 150.8Portugal (Centro) Omosaurus lennieri (49215)
Late/Upper Kimmeridgian155.7 - 150.8United Kingdom (England) Omosaurus armatus (47421)
Late/Upper Kimmeridgian155.7 - 150.8France (Haute-Normandie) Dacentrurus lennieri (47423) Iguanodon bernissartensis (47420)
Late/Upper Kimmeridgian155.7 - 150.8Portugal (Centro) Iguanodon prestwichi (75968) Miragaia longicollum (87089) Omosaurus armatus (49221 88192) Omosaurus lennieri (219236)
Late/Upper Kimmeridgian155.7 - 150.8France (Nord-Pas-de-Calais) Omosaurus sp. (67107)
Late/Upper Kimmeridgian - Early/Lower Tithonian155.7 - 145.0Portugal (Centro) Omosaurus armatus, Omosaurus lennieri (49219)
Late/Upper Kimmeridgian - Tithonian155.7 - 145.0Spain (Aragón) Stegosauria indet. (68019)
Late/Upper Kimmeridgian - Tithonian155.7 - 145.0Spain (Valencia) Dacentrurinae indet. (137615 227115) Dacentrurus armatus (59089 61364)
Tithonian152.1 - 145.0Portugal (Centro) Miragaia longicollum (221549)
Middle Tithonian150.8 - 145.0Portugal (Centro) Dacentrurus armatus (74502)
Middle Tithonian - Late/Upper Tithonian150.8 - 145.0Portugal (Centro) Omosaurus lennieri (49253)
Berriasian145.0 - 139.8France (Poitou-Charentes) Dacentrurus sp. (142093)
Late/Upper Hauterivian - Early/Lower Barremian136.4 - 125.45Spain (Castilla y Leon) Stegosauria indet. (61407)
Early/Lower Barremian130.0 - 125.45Spain (Aragon) Dacentrurus sp. (59075)