| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Eostega
Taxonomy
Eostega was named by Lambrecht (1929).
It was assigned to Elopterygidae by Lambrecht (1933), Wetmore (1960), Olson (1985); and to Sulidae by Mlikovsky (2002), Mlikovsky (2007), Mayr (2009).
It was assigned to Elopterygidae by Lambrecht (1933), Wetmore (1960), Olson (1985); and to Sulidae by Mlikovsky (2002), Mlikovsky (2007), Mayr (2009).
Species
|
|
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.
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. Mlikovsky 2007 | Typical sulid with a strong, straight mandible, having a single fenestra, which differs from mandibles of modern sulid genera in having: (1) processus coronoideus located above internal fenestra mandibularis, (2) medial fossa aditus canalis neurovascularis sharply bordered and narrow, (3) cotyla medialis of the fossa articularis quadratica long and slender, (4) cotyla caudalis of the same fossa narrow and clearly bordered posteriorly, and (5) dorsal margin of the intermediate part of ramus mandibulae rather narrow, with medial ridge lower than lateral ridge. |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
|
|
||||
| Source: subo = suborder, o = order | |||||
| References: Marsh 1875, Benton 1983 | |||||