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Penguins are a
group of
aquatic flightless birds from the
family Spheniscidae (/sfɪˈnɪsɪdiː, -daɪ/) of the
order Sphenisciformes (/sfɪˈnɪsəfɔːrmiːz/)....
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Catalogue of the Plataleae, Herodiones, Steganopodes, Pygopodes,
Alcae and
Impennes in the
collection of the
British Museum.
Catalogue of the
Birds in the...
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wimani at Fossilworks.org Amegino,
Florentino (1905):
Enumeracion de los
impennes fósiles de
Patagonia y de la Isla Seymour. An. Mus. Nac.
Buenos Aires 3(6):...
- ISBN 978-0-470-65666-2. Ameghino,
Florentino (1905):
Enumeracion de los
impennes fósiles de
Patagonia y de la Isla Seymour. An. Mus. Nac.
Buenos Aires 3(6):...
-
Catalogue of the Plataleae, Herodiones, Steganopodes, Pygopodes, Alcae, and
Impennes in the
collection of the
British Museum. (1898). It is now
considered as...
- the
family Cruschedulidae,
however in his 1906
paper "Enumeracion de los
Impennes Fosiles de
Patagonia y de la Isla Seymour" he
synonymized the
family into...
