Claim: Remingtonocetus is an extinct genus of early cetacean freshwater aquatic mammals that belongs in the Kingdom Animalia, Phylum Chordata, Class Mammalia, and Order Artiodactyla.
Evidence: Remingtonocetus is an extinct genus of early cetacean freshwater aquatic mammals of the family Remingtonocetidae endemic to the coastline of the ancient Tethys Ocean during the Eocene. Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Artiodactyla