ISSN:
1573-5117
Keywords:
Sarsicopia polaris gen. et sp.n.
;
Platycopioida
;
Copepoda
;
Arctic Ocean
;
phylogenetic systematics
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
Notes:
Abstract 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.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1023/A:1003020829836
