Solution:
Doliolum belongs to Urochordata and it has a post-anal tail in its larval stage.
Laccifer, Limulus and Balanoglossus are non-chordates.
Post-anal tail occurs at least at some stage in the life history of which of the following?
Doliolum belongs to Urochordata and it has a post-anal tail in its larval stage.
Laccifer, Limulus and Balanoglossus are non-chordates.