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Definition of Protocetid
1. Noun. Any of a group of extinct cetaceans, of the family ''Protocetidae'', from the Eocene period ¹
¹ Source: wiktionary.com
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1. Noun. Any of a group of extinct cetaceans, of the family ''Protocetidae'', from the Eocene period ¹
¹ Source: wiktionary.com