A new nemertean species: what are the useful characters for ribbon worm descriptions?

In recent years the Norwegian Taxonomy Initiative started thorough investigations of poorly known organism groups. In this context, several marine inventories have rendered a number of marine invertebrate species new to science. Within the phylum Nemertea (ribbon worms) a characteristic hoplonemerte...

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Bibliographic Details
Published in:Journal of the Marine Biological Association of the United Kingdom 2014-03, Vol.94 (2), p.317-330
Main Authors: Strand, Malin, Herrera-Bachiller, Alfonso, Nygren, Arne, Kånneby, Tobias
Format: Article
Language:English
Subjects:
Amphiporus
Bayesian analysis
Biological Sciences
Biological Systematics
Biologisk systematik
Biologiska vetenskaper
Characters
CHECKLIST
COI
Description
Diversity of life
Environmental Sciences
GENERA
Histology
Hoplonemertea
Livets mångfald
Marine
Marine invertebrates
MAXIMUM-LIKELIHOOD
Miljövetenskap
MIXED MODELS
Morphology
MRBAYES
mt-DNA
Nemertea
PHYLOGENY
PHYLUM NEMERTEA
REDESCRIPTION
TAXA
TAXONOMY
Zoologi
Zoology
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Summary:In recent years the Norwegian Taxonomy Initiative started thorough investigations of poorly known organism groups. In this context, several marine inventories have rendered a number of marine invertebrate species new to science. Within the phylum Nemertea (ribbon worms) a characteristic hoplonemertean was encountered on two different occasions. We describe the new species Amphiporus rectangulus sp. nov. with a combination of histology and DNA data (COI). For the morphological description we use a previously proposed character matrix and, in a context given by the results, also provide a brief discussion on benefits and drawbacks with both methods. We argue that for small animals with soft bodies external characters can be more informative than hitherto expected.
ISSN:0025-3154
1469-7769
1469-7769
DOI:10.1017/S002531541300146X