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Dakotadon lakotaensis
Taxonomy
Iguanodon lakotaensis was named by Weishampel and Bjork (1989). Its type specimen is SDSM 8656, a partial skeleton (skull, mandible, dorsal vertebra, caudal vertebra), and it is a 3D body fossil. Its type locality is near Whitewood, SDSM V751, which is in a Valanginian terrestrial horizon in the Lakota Formation of South Dakota.
It was synonymized subjectively with Iguanodon bernissartensis by Naish and Martill (2001) and Ruiz-Omeñaca and Canudo (2003); it was recombined as Dakotadon lakotaensis by Paul (2008), Carpenter and Ishida (2010), McDonald et al. (2010), McDonald et al. (2010), Zheng et al. (2013), Pereda Suberbiola and Ruiz-Omeñaca (2013), Fuentes Vidarte et al. (2016), Gates et al. (2018), Ibiricu et al. (2019) and Rotatori et al. (2022).
It was synonymized subjectively with Iguanodon bernissartensis by Naish and Martill (2001) and Ruiz-Omeñaca and Canudo (2003); it was recombined as Dakotadon lakotaensis by Paul (2008), Carpenter and Ishida (2010), McDonald et al. (2010), McDonald et al. (2010), Zheng et al. (2013), Pereda Suberbiola and Ruiz-Omeñaca (2013), Fuentes Vidarte et al. (2016), Gates et al. (2018), Ibiricu et al. (2019) and Rotatori et al. (2022).
Synonymy list
| Year | Name and author |
|---|---|
| 1989 | Iguanodon lakotaensis Weishampel and Bjork p. 56 figs. 1-7 |
| 1990 | Iguanodon lakotaensis Norman and Weishampel p. 530 |
| 1991 | Iguanodon lakotaensis Weishampel et al. p. 203 |
| 1992 | Iguanodon lakotaensis Martin and Buffetaut p. 68 |
| 1997 | Iguanodon lakotaensis Dodson p. 12 |
| 1997 | Iguanodon lakotaensis Forster p. 360 |
| 1998 | Iguanodon lakotaensis Godefroit et al. p. 19 |
| 1998 | Iguanodon lakotaensis Ruiz-Omeñaca et al. p. 275 |
| 1999 | Iguanodon lakotaensis Kirkland et al. p. 206 |
| 2001 | Iguanodon lakotaensis Wang and Xu p. 1671 |
| 2004 | Iguanodon lakotaensis Norman p. 416 |
| 2008 | Dakotadon lakotaensis Paul p. 199 |
| 2010 | Dakotadon lakotaensis Carpenter and Ishida p. 148 |
| 2010 | Dakotadon lakotaensis McDonald et al. p. 33 fig. 39 |
| 2010 | Dakotadon lakotaensis McDonald et al. p. 808 fig. 10 |
| 2013 | Dakotadon lakotaensis Pereda Suberbiola and Ruiz-Omeñaca p. 15 |
| 2013 | Dakotadon lakotaensis Zheng et al. |
| 2016 | Dakotadon lakotaensis Fuentes Vidarte et al. p. 435 |
| 2018 | Dakotadon lakotaensis Gates et al. p. 5 |
| 2019 | Dakotadon lakotaensis Ibiricu et al. p. 286 |
| 2022 | Dakotadon lakotaensis Rotatori et al. p. 145 |
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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.
†Dakotadon lakotaensis Weishampel and Bjork 1989
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| G. S. Paul 2008 | *Ventral margin of premaxilla not below maxilla, maxillary process of premaxilla deep. *Dorsal midline trough in nasals. *Dorsal apex of maxilla near middle of element. Antorbital fossa and fenestra *large. Lacrimal long, does not contact maxilla posterior to antorbital fossa. Dentary moderately deep, diastema absent. Tooth positions *19 in maxilla. |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Marsh 1875, Benton 1983 | |||||
Age range: Valanginian or 139.80000 to 132.90000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Valanginian | USA (South Dakota) | Iguanodontidae indet. (type locality: 49375) |