Opisthocomiformes is a bird order represented today by a single living family, Opisthocomidae, and a single living species, the hoatzin of the Amazon and Orinoco river systems in South America. Several fossil species assigned to the order have been identified elsewhere, including in Africa and Europe.
Facts
Taxonomic Rank Sources
1. Wikipedia: Opisthocomidae
Taxonomic rank (Wikipedia confirms the entity; rank from slug/structure-wave classification)View the Source Reader Challenges (0)
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