Aptenodytes ridgeni
Aptenodytes ridgeni, also referred to as Ridgen's penguin, is an extinct species of penguin from the Pliocene of New Zealand.[1] It was intermediate in size between its living congeners, standing an estimated 90–100 cm tall. The remains were first found in 1968 on a Canterbury region beach by 11-year-old schoolboy Alan Ridgen.[2]
| Aptenodytes ridgeni Temporal range:  | |
|---|---|
| Scientific classification  | |
| Kingdom: | Animalia | 
| Phylum: | Chordata | 
| Class: | Aves | 
| Order: | Sphenisciformes | 
| Family: | Spheniscidae | 
| Genus: | Aptenodytes | 
| Species: | A. ridgeni | 
| Binomial name | |
| Aptenodytes ridgeni Simpson, 1972 | |

Map showing the location of Ridgen's penguin finds (purple), together with current ranges of emperor penguins (green) and king penguins (red and orange). Breeding colonies are light blue.
References
    
-  Gill, B.J. (Convener, OSNZ Checklist Committee) (2010). Checklist of the Birds of New Zealand, Norfolk and Macquarie Islands, and the Ross Dependency, Antarctica. Fourth edition. Wellington: Te PaPa Press in association with the Ornithological Society of New Zealand. p. 330. ISBN 978-1-877385-59-9.{{cite book}}: CS1 maint: uses authors parameter (link)
- Gill, Brian James (1991). New Zealand's extinct birds. Random Century. p. 25. ISBN 1-86941-125-0.
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