| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Discussion
Derivation of the name: Species nomen in honor of vertebrate paleontologist Gregg Gunnell for his extensive contributions to the paleontology and geology of the Western Interior Paleogene, and for his mentorship and friendship.
Taxonomy
Borealilysia gunnelli was named by Head (2020). Its type specimen is DMNH EVP 57990A, a set of vertebrae (two articulated precloacal vertebrae), and it is a 3D body fossil. Its type locality is DMNH loc. 727 (Gatortown), which is in a Bridgerian terrestrial horizon in the Bridger Formation of Wyoming.
Synonymy list
| Year | Name and author |
|---|---|
| 2020 | Borealilysia gunnelli Head |
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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.
†Borealilysia gunnelli Head 2020
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. J. Head 2020 | Borealoilysia species differing from B. carinata in possessing: comparatively thick, short prezygapophyses; prezygapophyseal inclination at a higher angle (∼20° in B. carinata, ∼23° in B. gunnelli); and comparatively reduced accessory ridges on the neural arch roof. |
Measurements
No measurements are available
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| Source: f = family, c = class, subp = subphylum | |||||
| References: Hendy et al. 2009, Carroll 1988, Greene 1997 | |||||
Age range: Bridgerian or 50.30000 to 46.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Bridgerian | USA (Wyoming) | Borealoilysia gunnelli (type locality: 216020) |