By Louis S. Kornicker
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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, 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  as Nothria atlantica (Hartman).
Biology of the Antarctic Seas XXI by Louis S. Kornicker