A Paleocene penguin from New Zealand substantiates multiple origins of gigantism in fossil Sphenisciformes

A new fossil from the mid-Paleocene of New Zealand reveals an unexpected diversity of world’s oldest penguins

(2017) Gerald Mayr et al.   NATURWISSENSCHAFTEN

A new fossil from the mid-Paleocene of New Zealand reveals an unexpected diversity of world’s oldest penguins

(2017) Gerald Mayr et al.   Science of Nature

Paleobiological Remarks on a New Partial Skeleton of the Eocene Antarctic PenguinPalaeeudyptes klekowskii

(2016) Carolina Acosta Hospitaleche   AMEGHINIANA

New giant penguin bones from Antarctica: Systematic and paleobiological significance

(2014) Carolina Acosta Hospitaleche   COMPTES RENDUS PALEVOL

Palaeeudyptes klekowskii, the best-preserved penguin skeleton from the Eocene–Oligocene of Antarctica: Taxonomic and evolutionary remarks

(2014) Carolina Acosta Hospitaleche et al.   GEOBIOS

Redescription ofCrossvallia unienwillia: The only Paleocene Antarctic Penguin

(2013) Piotr Jadwiszczak et al.   AMEGHINIANA

Evolutionary drivers for flightless, wing-propelled divers in the Northern and Southern Hemispheres

(2013) Tatsuro Ando et al.   PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY

New fossil penguins (Aves, Sphenisciformes) from the Oligocene of New Zealand reveal the skeletal plan of stem penguins

(2012) Daniel T. Ksepka et al.   JOURNAL OF VERTEBRATE PALEONTOLOGY

First articulated skeleton of Palaeeudyptes gunnari from the late Eocene of Isla Marambio (Seymour Island), Antarctica

(2010) Carolina Acosta Hospitaleche et al.   ANTARCTIC SCIENCE

Late Paleocene to middle Eocene foraminiferal biostratigraphy of the Hampden Beach section, eastern South Island, New Zealand

(2010) H. E. G. Morgans   NEW ZEALAND JOURNAL OF GEOLOGY AND GEOPHYSICS

Fossil Evidence for Evolution of the Shape and Color of Penguin Feathers

(2010) J. A. Clarke et al.   SCIENCE

Osteology ofIcadyptes salasi, a giant penguin from the Eocene of Peru

(2008) Daniel T. Ksepka et al.   JOURNAL OF ANATOMY