Explanation of Names
Greek myrias (μυριας) '10,000' (i.e., countless) + podos 'foot, leg'
four classes, all represented in our area(1)
Numerous body segments, not differentiated into thorax and abdomen.
In millipedes (class Diplopoda
), the trunk segments are fused into pairs called diplosegments, each with two pairs of legs.
Centipedes (class Chilopoda
) have numerous unfused trunk segments, all but the last two of which have one pair of legs. The first pair of legs is modified into large poison fangs.
Pauropodans (class Pauropoda
) are eyeless and 0.5-1.5 mm long, with branched antennae, 9-11 leg-bearing trunk segments, and a free telson
Symphylans (class Symphyla
) are eyeless and 0.5-8.0 mm long, with long, simple antennae and 14 trunk segments, of which the first 12 each have a pair of legs. The penultimate segment has cerci
and a pair of long sensory hairs. The last segment is fused to the telson