Predicted to enable GTPase activity and molecular adaptor activity. Predicted to be involved in cytoskeleton-dependent cytokinesis. Located in cleavage furrow and midbody. Expressed in anterior distal tip cell; nerve ring; posterior distal tip cell; and ventral cord neurons. Human ortholog(s) of this gene implicated in Parkinson's disease. Is an ortholog of human SEPTIN11 (septin 11) and SEPTIN8 (septin 8).