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Dacentrurinae
Taxonomy
Dacentruridae was named by Olshevsky and Ford (1993). Its type is Dacentrurus. It was considered monophyletic by Mateus et al. (2009).
It was reranked as the subfamily Dacentrurinae by Mateus et al. (2009), Ulansky (2014), Costa and Mateus (2019).
It was assigned to Stegosauria by Olshevsky and Ford (1993); to Stegosauria by Blows (2001); and to Stegosauridae by Mateus et al. (2009), Ulansky (2014), Costa and Mateus (2019).
It was reranked as the subfamily Dacentrurinae by Mateus et al. (2009), Ulansky (2014), Costa and Mateus (2019).
It was assigned to Stegosauria by Olshevsky and Ford (1993); to Stegosauria by Blows (2001); and to Stegosauridae by Mateus et al. (2009), Ulansky (2014), Costa and Mateus (2019).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1993 | Dacentruridae Olshevsky and Ford |
| 2001 | Dacentruridae Blows p. 137 |
| 2009 | Dacentrurinae Mateus et al. |
| 2014 | Dacentrurinae Ulansky p. 7 |
| 2019 | Dacentrurinae Costa and Mateus p. 18 |
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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
| Reference | Diagnosis | |
|---|---|---|
| O. Mateus et al. 2009 | All 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 2019 | Modified 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
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| Source: g = genus, o = order | |||||
| References: Peczkis 1995, Marsh 1875 | |||||
Age range: base of the Late/Upper Bathonian to the top of the Early/Lower Barremian or 168.20000 to 121.40000 Ma
Collections (34 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Bathonian - Callovian | Morocco (Fès-Meknes) | Thyreosaurus atlasicus (234450) | |
| Early/Lower Kimmeridgian - Late/Upper Kimmeridgian | Portugal (Centro) | Omosaurus lennieri (49215) | |
| Kimmeridgian | Portugal (Centro) | Omosaurus lennieri (49244) | |
| Kimmeridgian | Spain (Asturias) | Dacentrurinae indet. (84207) | |
| Kimmeridgian | USA (Wyoming) | Alcovasaurus longispinus (196439) | |
| Kimmeridgian - Tithonian | USA (Wyoming) | Stegosaurus longispinus (48557) | |
| Kimmeridgian - Tithonian | Spain (Valencia) | Dacentrurus sp., Stegosauridae indet. (39423) | |
| Kimmeridgian - Tithonian | Spain (Teruel) | Dacentrurus armatus (146261) Dacentrurus sp. (91396 227113) | |
| Kimmeridgian - Tithonian | Spain (Aragon) | Dacentrurus sp. (157885 157886) | |
| Late/Upper Kimmeridgian | France (Haute-Normandie) | Dacentrurus lennieri (47423) Iguanodon bernissartensis (47420) | |
| Late/Upper Kimmeridgian | United Kingdom (England) | Omosaurus armatus (47421) | |
| Late/Upper Kimmeridgian | Portugal (Centro) | Iguanodon prestwichi (75968) Miragaia longicollum (87089) Omosaurus armatus (49221 88192) Omosaurus lennieri (219236) | |
| Late/Upper Kimmeridgian | France (Nord-Pas-de-Calais) | Omosaurus sp. (67107) | |
| Late/Upper Kimmeridgian - Early/Lower Tithonian | Portugal (Centro) | Omosaurus armatus, Omosaurus lennieri (49219) | |
| Late/Upper Kimmeridgian - Tithonian | Spain (Valencia) | Dacentrurinae indet. (137615 227115) Dacentrurus armatus (59089 61364) | |
| Late/Upper Kimmeridgian - Tithonian | Spain (Aragón) | Dacentrurus armatus (236288) Stegosauria indet. (68019) | |
| Middle Tithonian | Portugal (Centro) | Dacentrurus armatus (74502) | |
| Middle Tithonian - Late/Upper Tithonian | Portugal (Centro) | Omosaurus lennieri (49253) | |
| Tithonian | Portugal (Centro) | Miragaia longicollum (221549) | |
| Berriasian | France (Poitou-Charentes) | Dacentrurus sp. (142093) | |
| Late/Upper Hauterivian - Early/Lower Barremian | Spain (Castilla y Leon) | Stegosauria indet. (61407) | |
| Early/Lower Barremian | Spain (Aragon) | Dacentrurus sp. (59075) |