Marine Biodiversity and Ecosystem Functioning
EU Network of Excellence

Main Menu

· Home
· Contacts
· Data Systems
· Documents
· Links
· MarBEF Open Archive
· Network Description
· Outreach
· Photo Gallery
· Quality Assurance
· Register of Resources
· Research Projects
· Rules and Guidelines
· Training
· Wiki
· Worldconference


Register of Resources (RoR)

 People  |  Datasets  |  Literature  |  Institutes  |  Projects 

[ report an error in this record ]basket (0): add | show Print this page

Phylogeography of the Rhabditis (Pellioditis) marina species complex: evidence for long-distance dispersal, and for range expansions and restricted gene flow in the northeast Atlantic
Derycke, S.; Remerie, T.; Backeljau, T.; Vierstraete, A.; Vanfleteren, J.; Vincx, M.; Moens, T. (2008). Phylogeography of the Rhabditis (Pellioditis) marina species complex: evidence for long-distance dispersal, and for range expansions and restricted gene flow in the northeast Atlantic. Mol. Ecol. 17(14): 3306-3322.
In: Molecular Ecology. Blackwell: Oxford. ISSN 0962-1083; e-ISSN 1365-294X
Peer reviewed article  

Available in  Authors 
    VLIZ: Open Repository 137008 [ OMA ]

    Dispersal phenomena
    Taxa > Species > Cosmopolite species
    Nematoda [WoRMS]; Rhabditis (Pellioditis) marina (Bastian, 1865) Andrassy, 1984 [WoRMS]
Author keywords
    cosmopolitanism; cryptic species; dispersal; nematode; phylogeography;R.(P.) marina

Authors  Top 
  • Derycke, S., more
  • Remerie, T., more
  • Backeljau, T.
  • Vierstraete, A.
  • Vanfleteren, J.
  • Vincx, M., more
  • Moens, T., more

    Pinpointing processes that structure the geographical distribution of genetic diversity of marine species and lead to speciation is challenging because of the lack of obvious dispersal barriers and the likelihood of substantial (passive) dispersal in oceans. In addition, cryptic radiations with sympatric distributions abound in marine species, challenging the allopatric speciation mechanism. Here, we present a phylogeographical study of the marine nematode species complex Rhabditis (Pellioditis) marina to investigate processes shaping genetic structure and speciation. Rhabditis (P.) marina lives on decaying macroalgae in the intertidal, and may therefore disperse over considerable distances. Rhabditis (P.) marina consists of several cryptic species sympatrically distributed at a local scale. Genetic variation in the COI gene was screened in 1362 specimens from 45 locations around the world. Two nuclear DNA genes (ITS and D2D3) were sequenced to infer phylogenetic species. We found evidence for ten sympatrically distributed cryptic species, seven of which show a strong genetic structuring. A historical signature showed evidence for restricted gene flow with occasional long-distance dispersal and range expansions pre-dating the last glacial maximum. Our data also point to a genetic break around the British Isles and a contact zone in the Southern Bight of the North Sea. We provide evidence for the transoceanic distribution of at least one cryptic species (PmIII) and discuss the dispersal capacity of marine nematodes. The allopatric distribution of some intraspecific phylogroups and of closely related cryptic species points to the potential for allopatric speciation in R. (P.) marina.

All data in the Integrated Marine Information System (IMIS) is subject to the VLIZ privacy policy Top | Authors 

If any information here appears to be incorrect, please contact us
Back to Register of Resources
Quick links


Erasmus Mundus Master of Science in Marine Biodiversity and Conservation (EMBC)

Responsive Mode Programme (RMP) - Marie Nordstrom, copyright Aspden Rebecca

part of WoRMS logo

ERMS 2.0
Epinephelus marginatus Picture: JG Harmelin


Geographic System



Web site hosted and maintained by Flanders Marine Institute (VLIZ) - Contact