results in organization of actin cytoskeleton organization actomyosin structure organization actomyosin structure organization and biogenesis Note that this term is a child of 'actin cytoskeleton organization and biogenesis ; GO:0030036' because the actin cytoskeleton is defined as actin filaments and associated proteins. A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of cytoskeletal structures containing both actin and myosin or paramyosin. The myosin may be organized into filaments. GO:0031032 biological_process actomyosin organization actomyosin structure organisation actomyosin