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・ Psilophthalmus
・ Psilophyllites
・ Psilophytites
・ Psilophyton
・ Psilophytopsida
・ Psilopleura
・ Psilopleura polia
・ Psilopleura sanguiuncta
・ Psilopleura vittata
・ Psilopora
・ Psilopsiagon
・ Psilopsida
・ Psilopsocidae
・ Psiloptera
・ Psiloptera attenuata
Psilopterus
・ Psilopygida
・ Psilopygoides
・ Psilorhynchus
・ Psilorhynchus amplicephalus
・ Psilorhynchus arunachalensis
・ Psilorhynchus balitora
・ Psilorhynchus breviminor
・ Psilorhynchus homaloptera
・ Psilorhynchus microphthalmus
・ Psilorhynchus nudithoracicus
・ Psilorhynchus pseudecheneis
・ Psilorhynchus rahmani
・ Psilorhynchus robustus
・ Psilorhynchus sucatio


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Psilopterus : ウィキペディア英語版
Psilopterus

''Psilopterus'' (Greek for "bare wing") is an extinct genus of phorusrhacid ("terror bird") from the Middle Oligocene to Late Miocene of Argentina. Compared to other phorusrhacids, members of the genus are both relatively gracile and diminutive, and include the smallest known species of terror bird: with the head raised ''P. bachmanni'' was in height and weighed about , while the largest members of the genus were only about . The birds resemble the modern cariama (''Cariama cristata''), except with a heavier build and considerably smaller wings. The strong morphological similarity between the claws of the predatory cariama and ''Psilopterus'', both of which are sharp, curved, and laterally compressed, may indicate they were used to strike prey. In contrast to the other, larger terror birds, Tonni and Tambussi also suggested ''Psilopterus'' could use their claws to climb trees, and could even fly,〔 but this has been rejected in more recent literature.〔
== Description and taxonomy ==
The most recent systematic revision of Phorusrhacidae placed ''Psilopterus'' within the Psilopterinae subfamily, along with the ''Procariama'' and ''Paleopsilopterus'' genera, and divided ''Psilopterus'' into four species.〔

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