Bimonthly journal of the Society of Systematic Biologists, articles cover systematic theory, principles, and methods; this includes topics of phylogeny, evolution, morphology, biogeography, paleontology, genetics, and the classification of all living things. Journal prefers use of CSE Style for article submissions.

Location: Full text online from 1992; Print available 1992-2009: Entomology, Fisheries, and Wildlife Library Periodicals