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Spheniscus chilensis
Taxonomy
Spheniscus chilensis was named by Emslie and Correa (2003). Its type specimen is UCN-1-130697, a set of limb elements (left hunmerus), and it is a 3D body fossil. Its type locality is Cuenca del Tirburon, which is in a Pliocene offshore carbonate in the Caleta Herradura de Mejillones Formation of Chile.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 2003 | Spheniscus chilensis Emslie and Correa p. 310 figs. Fig. 2 |
| 2007 | Spheniscus chilensis Chavez p. 554 |
| 2008 | Spheniscus chilensis Acosta Hospitaleche and Tambussi p. 121 |
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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.
†Spheniscus chilensis Emslie and Correa 2003
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| C. Acosta Hospitaleche and C. Tambussi 2008 | Humerus with deep fossa at proximal anconal surface below head (fossa is shallow in Spheniscus humboldti, S. demersus and S. mendiculus, shallow to mod- erately deep in S. magellanicus), relatively smaller and nar- rower entepicondylar process (broad and rounded in all lving Spheniscus), relatively slender shaft similar to S. magellani- cus and S. demersus (more robust in S, humboldti), and distal end with or without pneumatic fossa in distal view (no fossa present in all living Spheniscus). Tibiotarsus with relatively larger distal foramina and broader distal external shaft than in all living Spheniscus. Tarsometatarsus with shallow ante- rior grooves below proximal foramina (grooves deep in all Recent Spheniscus). The ulna, radius, carpometacarpus and femur of the fossil species show minor differences with the living species (Emslie & Correa, 2003). |
Measurements
No measurements are available
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| Source: subo = suborder, o = order | |||||
| References: Marsh 1875, Kiessling 2004, Bush and Bambach 2015, Benton 1983 | |||||
Age range: Late/Upper Pliocene or 3.60000 to 2.58000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Pliocene | Chile | Spheniscus chilensis (type locality: 100174) |