| 词条 | Crossvallia |
| 释义 |
| name = Crossvallia | fossil_range = Late Paleocene ~{{fossilrange|55}} | image = | taxon = Crossvallia | authority = {{harvnb|Tambussi|Reguero|Marenssi|Santillana|2005}} | subdivision_ranks = Species | subdivision =Crossvallia unienwillia (type) }}Crossvallia is an extinct genus of penguins which contains a single species, whose remains have been recovered from and named after the Late Paleocene Cross Valley Formation on Seymour Island, Antarctica.[1] Measuring about {{convert|140|cm|ft}}, it was larger than any living penguin. [2] Upon further examination of the anatomy Species Crossvallia are more closely related to Anthropornithinae.[3] References{{portal|Birds|Paleogene|Prehistory of Antarctica}}1. ^Cross Valley at Fossilworks.org {{Taxonbar|from=Q30692744}}2. ^{{cite journal | last=Tambussi| first= Claudia P. | first2= Marcelo A. |last2=Reguero |first3= Sergio A. |last3=Marenssi | first4= Sergio N. |last4= Santillana |title= Crossvallia unienwillia, a new Spheniscidae (Sphenisciformes, Aves) from the Late Paleocene of Antarctica | journal=Geobios | volume=38 | issue=5 |year=2005|pages= 667–675 |doi=10.1016/j.geobios.2004.02.003 |ref=harv }} 3. ^{{cite journal |doi=10.1016/j.geobios.2004.02.003 |title=Crossvallia unienwillia, a new Spheniscidae (Sphenisciformes, Aves) from the Late Paleocene of Antarctica |journal=Geobios |volume=38 |issue=5 |pages=667–675 |year=2005 |last1=Tambussi |first1=Claudia P. |last2=Reguero |first2=Marcelo A. |last3=Marenssi |first3=Sergio A. |last4=Santillana |first4=Sergio N. }} 7 : Extinct penguins|Bird genera|Paleocene birds|Prehistoric birds of Antarctica|Paleogene Antarctica|Fossils of Antarctica|Fossil taxa described in 2005 |
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