| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Yaguarasaurus
Taxonomy
Yaguarasaurus was named by Páramo (1994). Its type is Yaguarasaurus columbianus.
It was assigned to Plioplatecarpini by Páramo (1994) and Páramo-Fonseca (2000); to Russellosaurina by Bell and Polcyn (2005) and Polcyn and Bell (2005); to Tethysaurinae by Makádi et al. (2012); to Yaguarasaurinae by Palci et al. (2013) and Driscoll et al. (2019); and to Plioplatecarpinae by Rivera-Sylva et al. (2024).
It was assigned to Plioplatecarpini by Páramo (1994) and Páramo-Fonseca (2000); to Russellosaurina by Bell and Polcyn (2005) and Polcyn and Bell (2005); to Tethysaurinae by Makádi et al. (2012); to Yaguarasaurinae by Palci et al. (2013) and Driscoll et al. (2019); and to Plioplatecarpinae by Rivera-Sylva et al. (2024).
Species
Y. columbianus (type species), Y. regiomontanus
Synonymy list
| Year | Name and author |
|---|---|
| 1994 | Yaguarasaurus Páramo p. 65 figs. Fig. 3 |
| 2000 | Yaguarasaurus Páramo-Fonseca |
| 2005 | Yaguarasaurus Bell and Polcyn p. 189 |
| 2005 | Yaguarasaurus Polcyn and Bell p. 323 |
| 2012 | Yaguarasaurus Makádi et al. fig. 8 |
| 2013 | Yaguarasaurus Palci et al. |
| 2019 | Yaguarasaurus Driscoll et al. |
| 2024 | Yaguarasaurus Rivera-Sylva et al. p. 4 |
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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.
G. †Yaguarasaurus Páramo 1994
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†Yaguarasaurus columbianus Páramo 1994
†Yaguarasaurus regiomontanus Rivera-Sylva et al. 2024
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| H. E. Rivera-Sylva et al. 2024 | Plioplatecarpine mosasaur with a long, slender rostrum and jaws, septomaxilla large; frontals lacking median keel and elongate, >150% as long as wide; tablike process of parietal wraps around posterior lappets of frontal and forms a long contact with the postorbitofrontal laterally, parietal foramen small and posteriorly located; concave margins of parietal table, straight parietal posterolateral rami. |
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum, uc = unranked clade | |||||
| References: Gervais 1852, Hendy et al. 2009, Carroll 1988 | |||||
Age range: base of the Late/Upper Turonian to the top of the Early/Lower Coniacian or 93.50000 to 85.80000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Turonian | Colombia (Huila) | Y. columbianus (122676 122680 122682 122683) | |
| Middle Turonian - Late/Upper Turonian | Mexico (Nuevo Leon) | Y. regiomontanus (230590) | |
| Early/Lower Coniacian | Colombia (Santander) | Y. columbianus (142085) |