phylogenetics /ˌfaɪləd͡ʒəˈnɛtɪks/ noun1 •The study of the evolutionary history and relationships among or within groups of organisms, through computational methods that focus on observed heritable traits.Thereupon he went to Leipzig, and during the winter of 1880–81 and the following summer semester studied comparative anatomy with Leuckart, geology with Credner, and phylogenetics with Carus. — 1899