Assertion: hoatzin's feature | /r/CapableOf | see fig
Facets:
Source sentences:
text: Protoazin can be unambiguously assigned to Opisthocomiformes because its coracoid shares characteristic derived features with that of Namibiavis, Hoazinavis, and Opisthocomus, including a large opening in the dorsal surface of the sternal extremity, a long procoracoid process oriented perpendicular to the shaft of the bone (now broken, but see Fig.