| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Proterozetes ulysses was named by Barnes et al. (2006). Its type specimen is USNM 187108, a skull, and it is a 3D body fossil. Its type locality is Cape Blanco, south, which is in a Pleistocene marginal marine sandstone in the Port Orford Formation of Oregon. It is the type species of Proterozetes.
Synonymy list
| Year | Name and author |
|---|---|
| 2006 | Proterozetes ulysses Barnes et al. |
| 2015 | Proterozetes ulysses Boessenecker and Churchill figs. Fig. 2 |
| 2017 | Proterozetes ulysses Poust and Boessenecker |
| 2018 | Proterozetes ulysses Berta et al. p. 215 figs. Fig. 5 |
Is something missing? Join the Paleobiology Database and enter the data
|
|
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.
†Proterozetes ulysses Barnes et al. 2006
show all | hide all
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| L. G. Barnes et al. 2006 | A species of Otariini of larger adult body size than Zalophus spp., but smaller than Eumetopias jubatus, having cranium with slightly arched dorsal profile rather than being depressed in intertemporal region, posterior ends of nasal bones not greatly compressed transversely, nearly parallel-sided intertemporal region, relatively wide interorbital region, relatively large and laterally-projecting supraorbital process of frontal, intertemporal region merging smoothly with anterior part of braincase without pronounced anterolateral corner of braincase, elevated posterior part of sagittal crest present on braincase, palate only slightly arched and not developed as a trough as in Otaria flavescens, mastoid process shaped as a somewhat cuboid mass, paroccipital process not reduced in size but projecting posteriorly, deep fossa developed in ventral surface of crest formed between mastoid process and paroccipital process, and M2 present. |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: t = tribe, c = class, uc = unranked clade | |||||
| References: Nowak 1991, Hendy et al. 2009, Carreño and Cronin 1993, Gingerich 2003 | |||||
Age range: Middle Pleistocene or 0.77400 to 0.12900 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Pleistocene | USA (Oregon) | Proterozetes ulysses (type locality: 59062) | |
| Middle Pleistocene | USA (Oregon) | Proterozetes ulysses (186604) |