TY - GEN AU - Ballard,J W AU - Olsen,G J AU - Faith,D P AU - Odgers,W A AU - Rowell,D M AU - Atkinson,P W TI - Evidence from 12S ribosomal RNA sequences that onychophorans are modified arthropods SN - 0036-8075 PY - 1993///0107 KW - Animals KW - Base Sequence KW - DNA, Mitochondrial KW - genetics KW - Humans KW - Invertebrates KW - Molecular Sequence Data KW - Phylogeny KW - RNA, Ribosomal KW - Sequence Homology, Nucleic Acid N1 - Publication Type: Comparative Study; Journal Article UR - https://doi.org/10.1126/science.1455227 ER -