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A Non-Feeding Pilidium With Apparent Prototroch and Telotroch
Article first published online: 20 AUG 2012
Copyright © 2012 Wiley Periodicals, Inc.
Journal of Experimental Zoology Part B: Molecular and Developmental Evolution
Volume 318, Issue 7, pages 586–590, November 2012
How to Cite
2012. A Non-Feeding Pilidium With Apparent Prototroch and Telotroch. J. Exp. Zool. (Mol. Dev. Evol.)318B:586–590., .
How to cite this article: Maslakova SA, von Dassow G. A non-feeding pilidium with apparent prototroch and telotroch. J. Exp. Zool. (Mol. Dev. Evol.) 9999B:000–000.
- Issue published online: 18 OCT 2012
- Article first published online: 20 AUG 2012
- Manuscript Received: 2 JUL 2012
- Manuscript Accepted: 16 APR 2012
- Manuscript Revised: 1 JAN 2012
- NSF. Grant Number: IOS-1120537
The nemertean pilidium larva is a long-lived planktotrophic form which is challenging to homologize to other invertebrate larval forms. Here we report a reduced, lecithotrophic pilidium which superficially resembles a trochophore. We document the pilidium-like catastrophic metamorphosis of this larva, including devouring of the larval body. Sequences of COI and 16S rRNA show that this larva belongs to an undescribed lineiform species. This novel larval form highlights the long-standing question, is the trochophore a conserved larval ground-plan or a functional design arrived at by convergence? J. Exp. Zool. (Mol. Dev. Evol.) 318B:586–590,2012 © 2012 Wiley Periodicals, Inc.