Leanchoilia

Leanchoilia is a megacheiran marine arthropod known from Cambrian deposits of the Burgess Shale in Canada and the Chengjiang biota of China.

== Description == left|thumb|Restoration of Leanchoilia superlata L. superlata was about long and had long, whip-like flagellae extending from its great appendages. Its internal organs are occasionally preserved within the substrate in three dimensions. Their two pairs of eyes are protected and covered by their exterior head shields, with two eyes being located on each side.