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Annulonemertes (phylum Nemertea): when segments do not count

We estimated the phylogenetic position of the pseudosegmented ribbon worm Annulonemertes minusculus to test proposed evolutionary hypotheses to explain these body constrictions. The analysis is based on 18S rDNA sequences and shows that the species belongs to an apomorphic clade of hoplonemertean sp...

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Bibliographic Details
Main Authors: Sundberg, Per, Strand, Malin
Format: Artigo
Language:Inglês
Published: The Royal Society 2007
Subjects:
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC1975765/
https://ncbi.nlm.nih.gov/pubmed/17686756
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1098/rsbl.2007.0306
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