[1] It has eightfold symmetry and resembles a trochophore; homology between the two types of larvae from related groups of the Spiralia is possible but is not well studied.
[2] Müller’s larva is ciliated and has several paired and unpaired lobes.
At the anterior and posterior ends of the larva are tufts of longer cilia (apical and caudal).
[2] It is named after Johannes Peter Müller (1801–1858), a German physiologist who invented the plankton net, and first described larval forms of many phyla.
[3] This flatworm- (or platyhelminth-) related article is a stub.