telotrocha

Century Dictionary and Cyclopedia

1. n. The ciliated embryo of polychætous annelids, having a circle of cilia around the body just in front of the mouth and behind the eyes, on the segment which becomes the præstomium. There is also usually in such embryos another circlet of cilia around the caudal end of the body, and a tuft upon the center of the præstomium. See atrocha, mesotrocha. Also, irregularly, teleotrocha.

GNU Webster's 1913

1. n. (Zoöl.) An annelid larva having telotrochal bands of cilia.