A fibers 14-50: B1 fibers 8-16: B2 fibers 3-4.5: C fibers 0.3-0.8 m/s
||Bullock TH, Horridge GA (1965). Structure and Function in the Nervous Systems of Invertebrates. San Francisco: W. H. Freeman vol I p.137 table 3.2
||Most determinations were made with intracellular electrodes
||At 20 to 25°C. Values given have usually been measured with very little saline shunt and would be appreciably higher-up to 50%-in sea water or in the animal.