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Emu
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Class: SbCl: InCl: Order: Family: Genus: Species:
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Aves Neornithes Paleognathidae Casuariiformes casuariidae Dromaius D. novaehollandiae |
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Dromaius novaehollandiae
other resources: |
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natural bone skeleton articulated and mounted summer 2009 Barry Rhoades Wesleyan College
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characteristics of acarinate birds thorax - note flat sternum without keel; fused coracoids/ scapulae with reduced glenoid fossae; reduced cartilagenous clavicles; dramatically reduced wings; several pairs of cervical spinal ribs
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skull - note ossified scleral rings; relatively akinetic mandibular joints
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characteristics of acarinate birds synsacrum (pelvis) - note heavy, non-arched construction; distinct ishial and pubic bones directed caudally (ancestral saurischian pattern) |
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Rev. 12.11