Project 1111: D. T. Ksepka, S. Werning, M. Sclafani, Z.M. Boles. 2015. Bone histology in extant and fossil penguins (Aves: Sphenisciformes). Journal of Anatomy:1-20.
This project has 5 taxa.
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Showing all 5 taxonomic names

Genus, Subgenus, Species, Subspecies

* indicates that a taxon has not matched to the NCBI hierarchy.

"Large" Eocene stem penguin 
"Small" Eocene stem penguin 
Aptenodytes forsteri 
Palaeospheniscus patagonicus 
Spheniscus sp.