FN Archimer Export Format
PT J
TI A new genus and two new species of mesobenthic octopuses from Australia and New Caledonia
BT 
AF NORMAN, Mark D.
   BOUCHER-RODONI, Renata
   HOCHBERG, F. G.
AS 1:1;2:2;3:3;
FF 1:;2:;3:;
C1 Museum Victoria, Melbourne, Vic 3001, Australia.
   Museum Natl Hist Nat, CNRS, Lab Biol Invertebres Marins, URA 699, F-75005 Paris, France.
   Santa Barbara Museum Nat Hist, Dept Invertebrate Zool, Santa Barbara, CA 93105 USA.
C2 MUSEUM VICTORIA, AUSTRALIA
   MNHN, FRANCE
   NHM, USA
IF 1.074
TC 3
UR https://archimer.ifremer.fr/doc/00288/39964/38545.pdf
LA English
DT Article
CR CHALCAL II
   NORFOLK 1
   SMIB
   TROPICAL DEEP-SEA BENTHOS
BO Coriolis
   Alis
AB Trawl surveys off Western Australia and seamounts south of New Caledonia at depths between 375 and 545 m have yielded two species of a previously unknown genus of benthic octopus (Family: Octopodidae). Histoctopus n. gen. is described here and contains two new species, Histoctopus discus and Histoctopus zipkasae n. spp. The most distinctive morphological feature of this new genus is extreme web margin development along the length of the arms, widening towards the distal tips. Of all benthic octopuses, such web margin development only occurs in this new genus and three other distinct genera, Graneledone, Pteroctopus and Velodona (from comparable depths, typically >200 m). Due to significant morphological differences between these two genera and Histoctopus, we propose that the shared web margin development reflects convergence that is peculiar to a deeper-water habitat. The function of these web extensions remains unknown; they may aid in ensnaring or enveloping prey and/or provide lift while jet swimming off the seafloor.
PY 2009
PD NOV
SO Journal Of Molluscan Studies
SN 0260-1230
PU Oxford Univ Press
VL 75
IS 4
UT 000271109200002
BP 323
EP 336
DI 10.1093/mollus/eyp027
ID 39964
ER

EF