Download e-book for iPad: Biology of the Antarctic Seas XXI by Louis S. Kornicker

By Louis S. Kornicker

ISBN-10: 087590761X

ISBN-13: 9780875907611

ISBN-10: 1118667794

ISBN-13: 9781118667798

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Published by way of the yank Geophysical Union as a part of the Antarctic examine Series.


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74-76, pl. 40, figs. 13-15, pl. 4, 5. Nothriaabranchiata Mcintosh,1885,p. 314,pl. 40, figs. 10-12, pl. 27,pl. --Hartman, 1964,p. 112,pl. 1-3; 1967a,p. 89. Ventral cirri cirriform over the first 2 setigers(Plate8, fig. b). Subacicular hooksbeginning on setiger4 (Text Figure 12). Anteriorhookson the first3 setigers• bidentate(Plate8, fig. g). Remarks. The presenceof branchiae,as suggested by Pettibone[1970], shouldnot be given systematic weightat eventhe specificlevel. Whenpresenttheyare short,oval or cylindrical (Plate8, fig.

4 8 lO 12 Text Fig. 12. Anchinothriapycnobranchiata: (top) variation in diameter of the subacicularhooks of a single specimen,from setigers4 to 16; circlesandrectanglesrepresent the left and right-handsides, respectively,of the animal;(bouom)subacicular hooksfrom setigers4, 6, 8, 10, and 12. Pettibone,[1970, pp. 259, 266, and 268]). Fauchald [1982b]himselfreportedseveralwholespecimens displaying characteristically short bodies(holotypeof Anchinothria cirrobranchiata (Moore) with 55 setigers,holotypeof A.

Recordscomefrom the Pacific-Antarctic andMacquarie ridges, the southernpart of the SoutheastPacific Basin,and the ScotiaSea (Chart 5B). Accordingto Kucheruk,thisspeciesis distributedworldwide. NothriaatlanticaKucheruk, 1985,p. 87, fig. 1 (in part: someAntarcticandSubantarctic swazimens). Material examined. MEND/1281 (3) (labeled as 'Paranorthia atlanticaHartman'). Remarks. This samplewaskindly madeavailable by V. G. Averincev. Originallylabeledas 'Paranor- ttu'aatlanticaHartman,'it is probablypart of the material reportedby Kucheruk [1985] as Nothria atlantica (Hartman).

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