Second or buccal segment with first pair of elytrophores prominent and ventral or buccal whorl longer than succeeding ventral whorl, similar to tentacular whorl (Figure 1 A). Second or buccal segment with first pair of elytrophores, biramous parapodia and long ventral buccal whorl on side of mouth; with or without nuchal lobe; pharynx with 9 pairs. Second or buccal segment without nuchal fold, with first pair of elytrophores prominent and long ventral buccal whorl at side of mouth, similar to tentacular whorl, longer than succeeding ventral whorl; notosetae similar to those on the following notopods;.
Second segment without nuchal fold, with first pair of distinct elytrophores and long ventral buccal cirrus lateral to ventral mouth, tentacular cirrus-like, longer than subsequent ventral cirrus; notopodia and neuropodia of equal length;. Tentaculophores lateral to prostomium, with small acicular lobe and 2-4 strong, short notoseta on inner side; Second segment without nuchal lobe, with first pair of distinct elytrophores, bicolor parapodia with shoulders of equal length and long ventral buccal cirrus lateral to mouth, similar to tentacular cirrus and longer than subsequent ventral-type cirrus; notosetes shorter than neurosetae, similar to those of following segments; upper neurosetae similar to those of the following segments, lower neurosetae more slender, s.
Second segment without nuchal lobe, with first pair of prominent elytrophores, biramous parapodia with rami subequal in length, and long ventral buccal cirri lateral to mouth, similar to tentacular cirri, longer than next ventral cirri;. Second segment without neck fold, with first pair of prominent elytrophores, biramous parapodia with rami sube-qual in length, and ventral buccal cirri lateral to mouth, similar to tentacular cirri, and longer than next ventral cirri (Figure 13B, D). Second segment with first pair of globose elytrophores, biramous parapodia and ventral buccal cirri that are long, papillate, longer than next ventral cirri ( Figure 14A,C );
Second segment without nuchal fold, with first pair of elytrophores, biramous parapodia and ventral buccal cirri lateral to mouth, similar to tentacular cirri but shorter than them, longer than subsequent ventral cirri (Fig. 15A). Tentaculophores of first or tentacular segment lateral to prostomium, each with an achaete acicular lobe on inner side and a pair of dorsal and ventral tentacular cirrus. Second or buccal segment without nuchal lobe, with first pair of elytrophores, biramous parapodia and long ventral buccal cirri lateral to mouth; pharynx with 9 pairs of marginal papillae and 2 pairs of hooked jaws.
Second segment with first pair of large elytrophores, biramous parapodia and ventral buccal cirrus attached basally, lateral to mouth, longer than subsequent ventral cirrus, similar to but shorter than tentacular cirrus (Fig. 16A.B). Second or buccal segment with first pair of elytrophores, bilobed parapodium, and long ventral buccal cirri lateral to mouth; pharynx with 9 pairs of marginal papillae and 2 pairs of hooked jaws.
Prostomium bilobed, with distinct head peaks; ceratophore of the central antenna large, oval, in the anterior notch, papillary style with filiform tip; lateral antennae with small ceratophores inserted ventrally, with short styles, subulate, papillary; palps firm, tapering; anterior pair of eyes anteroventrally, not visible dorsally, posterior pair near the posterior edge of the prostomium; tentaculophores lateral to the prostomium, each with a single inner seta and a pair of papillary dorsal and ventral tentacular cirri, with subterminal enlargements and filiform endings, tentacular cirri slightly shorter than the palps (Figure 18A;
FIGURE \%.—Harmothoe waahli (Kinberg) (specimen from Warnbro Sound, SW Australia, ZMH 10058): A, dorsal view of anterior part, form of median antenna and palpi missing, pharynx partially expanded; B, left 1st elytron from segment 2; C, right 2nd elytron from segment 4; D, left middle elytron, with details of microtubercles;. Upper neurosetae with longer spinous regions, with little or no sign of a secondary tooth; medium neurosets with pronounced bifid tips; lower neurosetae with shorter spinose regions, with or without secondary tooth; neurosetae mostly with secondary tooth or indication of one (Fig. 18H; Kinberg, 1858, pi. Upper neurosetae with longest spinous regions and small bifid tips; middle neurosetae with shortest spinous regions and markedly bifid tips; lower neurosetae with short spinous regions and entire tips; all neurosetae with rather long, glabrous tips (Fig. 19E).
Parapodia biramous; notopodium smaller than neuropodium, rounded, with a projecting needle-like lobe on the underside; neuropodium with a subconical presetal acicular lobe with a short supraacicular process and a shorter, rounded postsetal lobe;. Dorsum transversely striated with dark pigment Elytra 15 pairs on normal segments, large, oval, covering dorsum, with rounded to conical microtubercles on most surface and a few larger, rounded tubercles near posterior border, with scattered micropapillae on lateral and posterior margins and surface without margins of long papillae; elytra sprinkled with brown to black pigment on inner sides and near point of attachment to elytrophores (Fig. 21D.E). Prostomium bilobed, with rounded anterior lobes, without distinct head apexes; median antenna with cylindrical ceratophore in anterior notch, with papillate style up to twice length of prostomium; small ceratophores of lateral antennae inserted ventrally, almost hidden from view; palps strong, narrowed, up to twice the length of the prostomium; larger, anterior pair of eyes anteroventrally, hidden from eyes dorsally, smaller, posterior pair posterodorsally; tentaculophores lateral to prostomium, each with one notosetum on inner side and pair of dorsal and ventral tentacular cirri similar to median antenna (Fig. 21A-C).
Second segment with first pair of large elytrophores, biramous parapodia and long papillate ventral buccal cirrus similar to tentacular cirrus (Fig. 21C.F); notosetae very numerous, similar to the following notosetae; neurosetae more slender than the following neurosetae, upper and middle neurosetae with bifid tips, lower ones with entire slender tips. Parapodia biramous; notopodium smaller than neuropodium, rounded, with a projecting needle-like lobe on the underside; neuropodium with a longer, subconical presetal acicular lobe, with a thick, supraacicular process and a shorter, rounded postetale lobe; Dorsal cirrus with cylindrical cirrophores, bulbous at base; styles papillate, with a subterminal inflated area and long filiform tips extending beyond the neurosetae; dorsal tubercles small, nodular (Fig. 2lH).
Prostomium bilobed, with prominent cephalic apex; ceratophore of median antenna large, bulbous, in anterior section, of medium length, with thick papillae with filamentous tips;.
Elytra IS pairs, on usual segments, large, covering dorsum, oval to subreniform, almost covered by low, rounded and conical microtubercles, latter absent in small anteromedial area, with papillae on lateral and posterior margins and on surface (Figure 22B; Willey , 1904, pi. Parapodia birameus; notopodium smaller than neuropodium, rounded, with projecting needle lobe on the underside; neuropodium with subconical, preset needle lobe with small, supraacicular projection and shorter rounded postsetal lobe; Upper neurosetae with long spinous processes, middle and lower with shorter spinous processes, all with fissured, glabrous tips (Figure 22H; Willey, 1904, pi.
Cirrophores of dorsal cirri long, cylindrical, with bulbous glandular area at the back; styles thickly papillate, with tips filamentous, extending beyond neurosetae; dorsal tubercles nodular (Figure 22A,F). Pygidium posterior to last pair of parapodia, with a pair of anal cirri, similar to papillate dorsal cirri. MEASUREMENTS.—Type Material: Holotype, female with eggs in body cavity, with 39 segments, 25 mm long, 7.5 mm wide with setae.
Prostomium bilobed, with distinct cephalic apex; median antennal ceratophore large, bulbous, in anterior section, with papillate style of medium length; ceratophores of lateral antennae inserted ventrally, with short, subulate, papillate styles; labia stout, narrow, slightly papillate, more than twice the length of the prostoma; anterior pair of eyes large anteroventrally, hidden from view dorsally, posterior pair smaller posterodorsal; lateral tentaculophores of prostomium, each with single, stout notoseta on inner side and pair of dorsal tentacular whorls and long, papillate abdomen (Figure 23A; Day, 1967, fig. Parapodia biramous; notopodium smaller than neuropodium, rounded , with acicular lobe projected on the lower side; neuropodium with longer parasetal acicular lobe, subconical, with digital supraacicular process and shorter, rounded postsetal lobe; notosetae very numerous, forming a spreading tuft; ; styles long, with thick papillae, filamentous tips, extending beyond neurosetae; dorsal tubercles nodular (Figure 23H).
Pygidium with anus medial to last pair of parapodia, with a pair of long anal cirri.
Literature Cited
Peculiarities in the distribution of the family Polynoidae in the Canadian Arctic Ocean Basin. Polychaetes of the suborder Aphroditiformia of the Arctic Ocean and the northwestern Pacific Ocean, families Aphroditidae and Polynoidae. In Report on the natural history collections made in the macrofauna of the estuarine area of the rivers Rhine, Meuse and the Antarctic regions during the voyage of the "Southern Cross", Scheldt Zoological Treatises, Leiden plates 41-46.
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![Polynoe (Laenilla) glaberrima Hansen, 1880:227, pi. 3: figs. 1-5. 8 [fide Loshamn, 1980].](https://thumb-ap.123doks.com/thumbv2/123dok/11143670.0/20.868.86.778.541.951/polynoe-laenilla-glaberrima-hansen-1880-figs-fide-loshamn.webp)
