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Madrynornis
Taxonomy
Madrynornis was named by Acosta Hospitaleche et al. (2007).
It was assigned to Spheniscidae by Acosta Hospitaleche et al. (2007), Acosta Hospitaleche and Tambussi (2008) and Tambussi et al. (2023).
It was assigned to Spheniscidae by Acosta Hospitaleche et al. (2007), Acosta Hospitaleche and Tambussi (2008) and Tambussi et al. (2023).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2007 | Madrynornis Acosta Hospitaleche et al. p. 301 |
| 2008 | Madrynornis Acosta Hospitaleche and Tambussi p. 123 |
| 2023 | Madrynornis Tambussi et al. p. 273 |
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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. †Madrynornis Acosta Hospitaleche et al. 2007
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†Madrynornis mirandus Acosta Hospitaleche et al. 2007
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. Acosta Hospitaleche and C. Tambussi 2008 | Crista occipitalis transversa expanded
into posterolaterally directed wings (not developed in Pygo- scelis), fossa temporalis more triangular and deeper than in Paraptenodytes, processus postorbitalis slender and longer than in Spheniscus, arcus jugalis slightly curved compared to that in Eudyptes and Pygoscelis, interorbital region nar- rower than in Spheniscus and Eudyptes. Sulcus glandulae nasalis without an external edge as in Spheniscus and Par- aptenodytes (edge present in Pygoscelis); lamina parasphe- noidalis broader than in all living species. Ramus mandibiularis straight with the fossa retroarticularis longer than in Paraptenodytes and Spheniscus, and extending beyond the fossa articularis quadratica. |