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Spinophorosaurus nigerensis
Taxonomy
Spinophorosaurus nigerensis was named by Remes et al. (2009). Its type specimen is GCP-CV-4229 & NMB-1699-R, a partial skeleton, and it is a 3D body fossil. Its type locality is Azenak, Aderbissinat (HB), which is in a Bajocian/Bathonian terrestrial siltstone in the Irhazer II Formation of Niger. It is the type species of Spinophorosaurus.
Synonymy list
| Year | Name and author |
|---|---|
| 2009 | Spinophorosaurus nigerensis Remes et al. pp. 1-2 figs. 1-5 |
| 2011 | Spinophorosaurus nigerensis Mudroch et al. p. 2 |
| 2012 | Spinophorosaurus nigerensis Knoll et al. p. 1 |
| 2013 | Spinophorosaurus nigerensis Mocho et al. p. 89 |
| 2013 | Spinophorosaurus nigerensis Páramo et al. p. 98 |
| 2013 | Spinophorosaurus nigerensis Tschopp and Mateus p. 324 |
| 2016 | Spinophorosaurus nigerensis Park p. 29 |
| 2016 | Spinophorosaurus nigerensis Serrano-Martínez et al. p. 404 |
| 2016 | Spinophorosaurus nigerensis Witzmann et al. p. 4 |
| 2020 | Spinophorosaurus nigerensis Moro et al. |
| 2020 | Spinophorosaurus nigerensis Sakagami and Kawabe p. 12 |
| 2021 | Spinophorosaurus nigerensis Holwerda et al. p. 576 |
| 2021 | Spinophorosaurus nigerensis Khosla and Bajpai p. 198 |
| 2021 | Spinophorosaurus nigerensis Paulina-Carabajal and Calvo p. 9 |
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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.
†Spinophorosaurus nigerensis Remes et al. 2009
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| K. Remes et al. 2009 | A basal sauropod diagnosed by the following combination of characters (autapomorphies are marked by *): A small pineal foramen that opens dorsally between the contralateral frontals, not parietals*; laterally oriented basal tubera*; spatulate teeth with large, spaced denticles in the apical region, with a higher number of denticles mesially; cranial cervical vertebrae with accessory cranial processes on the prezygapophyses; cervical vertebrae with U-shaped recess between centrum and interpostzygapophyseal lamina (tpol) in lateral view*; triangular caudal process on caudal cervical diapophyses; enlarged cervical epipophyses, having the form of caudally directed, triangular processes; spinodiapophyseal laminae (spdl) restricted to sacral vertebrae; strong rugosities on neural spines extending over the proximal and middle caudal vertebrae; apex of proximal and middle caudal neural spines saddle-shaped*; distal chevrons transformed into overlapping rod-like horizontal elements whose cranial and caudal projections contact at the level of the middle part of the vertebral centra*; kidney-shaped coracoid*; coracoid with large biceps tubercle and furrow on its ventromedial edge; short, robust pubis with an ischial ridge that extends down to the pubic foot; femur shaft with large foramen on its caudal side, lateral to the fourth trochanter*; possession of spike-bearing osteoderms, probably placed in the distal tail region. |
Measurements
No measurements are available
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| Source: infrao = infraorder | |||||
| Reference: Marsh 1875 | |||||
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bajocian - Bathonian | Niger (Agadez) | Spinophorosaurus nigerensis (type locality: 104815) |