Eunice flavapunctata (Treadwell 1922)

Eunice flavapunctata (Treadwell, 1922)

Leodice flavapunctata Treadwell, 1922:136–138, figs. 8–11, pl. 2: fig. 1–7.

Eunice afra.—Hartman, 1956:282 [not Eunice afra Peters, 1854].

MATERIAL EXAMINED.—Holotype, AMNH 1532, Breaker Point, Pago Pago, Samoa, 1920.

COMMENTS ON MATERIAL EXAMINED.—The anterior end has been deeply dissected frontally and the illustration of the anterior end is a reconstruction (all antennae were present however).

DESCRIPTION.—Holotype incomplete, of unknown sex, with 80 setigers; length 47 mm; maximal width 2 mm at setiger 10; length through setiger 10, 7 mm.

Prostomium (Figure 46f) about as long as peristomium, about as wide as peristomium, as deep as peristomium. Prostomial lobes frontally rounded, dorsally inflated; median sulcus deep. Eyes not observed. Antennae in transverse row; A-I separated by gap from A-II and A-III, similar in thickness. Ceratophores ring-shaped in all antennae, without articulations. Ceratostyles digitiform, irregularly wrinkled, without articulations. A-II and A-III similar in length, barely outreach peristomium. Peristomium cylindrical. Separation between rings distinct on all sides; anterior ring ∼ of total peristomial length. Peristomial cirri barely reaching beyond posterior peristomial ring, digitiform, without articulations.

Jaws now missing.

Branchiae present, pectinate, distinctly longer than notopodial cirri, not reduced in mid-body region, erect. Branchiae from setiger 13 to end of fragment. Maximum 6 filaments, reached at about setiger 50. Most segments with 2 or 3 long, digitiform filaments (Figure 46j). Branchial stems cylindrical, shorter than notopodial cirri. Branchiae located well above neuropodial cirri on body wall.

Neuropodial acicular lobes truncate; aciculae emerging above midline. Pre- and postsetal lobes low folds. First 4 ventral cirri tapering, nearly digitiform. Ventral cirri basally inflated from about setiger 5; bases inflated in all remaining parapodia. Inflated bases thick, transverse welts; narrow tips tapering. Anterior notopodial cirri relatively short, digitiform, becoming increasingly slender and longer in branchial region; articulations absent.

Limbate setae long, narrowly limbate, marginally dentate. Shafts of pectinate setae (Figure 46h) wide, cylindrical. Blades narrow, tapering, flat. One marginal tooth very much longer than other teeth, with 10 narrow, slender teeth. Shafts of compound falcigers (Figure 46i) inflated, marginally serrated; beaks distinct. Appendages short; heads large, bidentate. Proximal teeth larger than distal teeth, narrowly triangular, directed obliquely distally. Distal teeth abruptly tapering, directed obliquely distally. Guards symmetrically rounded, marginally serrated; mucros absent. Pseudocompound falcigers and compound spinigers absent. Aciculae black, tapering to narrow tips, straight; cross-sections round. Subacicular hooks (Figure 46g) black, bidentate. Hooks first present from setiger 25, present in all setigers thereafter, always single (except for replacements). Hooks tapering, curved. Proximal teeth very much larger than distal teeth, directed laterally. Distal teeth blunt, directed nearly laterally.

UNKNOWN MORPHOLOGICAL FEATURES.—Jaw structure; features associated with posterior setigers, including branchial distribution; pygidium and anal cirri.

EXPECTED STATES OF SELECTED UNKNOWN FEATURES.—Mx III short and forming part of distal arc with left Mx IV. Branchiae terminating well before the posterior end.

CHARACTERS USED IN PREPARATION OF KEY NOT SCORED.—Inappropriate Characters: 22, 56. Unknown Characters: 1, 2, 13, 14, 36–40, 47, 50, 57–60, 63, 74, 78.

ASSUMED STATES FOR PURPOSE OF PREPARING KEY.—37,2; 38,1.