The terms Sivapithecus, Proconsul, and Dryopithecus when applied to different groups of Miocene hominoids are used to refer to a distinction made at genus level of taxonomy.
Hominoids are also known as apes. They belong to the superfamily Hominoidea. Their members include gibbons, gorilla, etc. They has smaller brains. They walked on all four legs (quadrupeds), less hand development, etc.
Taxonomy is the branch of science dealing with classification of organisms. Their are seven hierarchical groups in taxonomy. These are: Kingdom, Phylum/Division, Class, Order, family, Genus, and Species. Kingdom is the largest group in this classification, while species is the smallest.
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