Below is the Pokemon Marine Mammal Phylogeny showing different pokemon over the period of time. As represented below, Mammalia is subdivided into Cetacea, Sirenia, and Carnivora. Cetacea is further divided into Mysticeti and Odontoceti. Sirenia is subdivided into Dugongidae. Lastly, Carnivora is branched out into Mustelidae, Pinnipedia, and Ursidae. At the same time, Pinnipedia is subdivided into Odobenidae, Phocidae, and Otariidae. Instead of creating a phylogenetic tree on complex tools, use EdrawMax Online as this free phylogenetic tree maker has over 250 diagrams, 25,000 symbols, and over 25 million registered users that ease down your efforts in creating a phylogenetic tree just like the below diagram.