A female <i>Illacme plenipes</i> (an inch-long millipede from California) with 618 legs. Other specimens of this species have 750 legs, despite their small size.
Marek, P.; Shear, W.; Bond, J. (2012)
CC BY 3.0
Marek, P.; Shear, W.; Bond, J. (2012). "A redescription of the leggiest animal, the millipede <i>Illacme plenipes</i>, with notes on its natural history and biogeography (Diplopoda, Siphonophorida, Siphonorhinidae)". ZooKeys 241: 77. <a href="//doi.org/10.3897/zookeys.241.3831" class="extiw" title="doi:10.3897/zookeys.241.3831">doi:10.3897/zookeys.241.3831</a>.