, Volume 350, Issue 1–3, pp 35–47

Sarsicopia polaris gen. et sp.n., the first platycopioida (Copepoda: Crustacea) from the Arctic Ocean, and its phylogenetic significance

  • Pedro Martínez Arbizu


A new genus of Platycopioida is described from a boxcore sample taken at a depth of 534 m in the ArcticBarents Sea. This is the deepest record ofPlatycopioida so far. Sarsicopia gen. n. is thesistergroup of a taxon comprising Platycopia and Nanocopia; the sistergroup ofthese is Antrisocopia. Sarsicopia gen. n.is the only platycopioid to retain 2 inner setae onthe second endopod segment P2–P4, and 8 setae in thethird endopod segment of P2. The male antennnule isremarkable in having a geniculation located betweenancestral segments XX and XXI. It is suggested thatthis flexure zone was already present in thegroundpattern of Copepoda. Platycopia and Nanocopia have secondarily lost thisgeniculation.

Sarsicopia polaris gen. et sp.n. Platycopioida Copepoda Arctic Ocean phylogenetic systematics 


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© Kluwer Academic Publishers 1997

Authors and Affiliations

  • Pedro Martínez Arbizu
    • 1
  1. 1.FB7/AG. ZoomorphologieUniversität OldenburgOldenburgGermany

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