A Review of the Genus Eunice - Smithsonian Institution Libraries

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236 SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY FIGURE 79.—Eunice nesiotes (holotype, USNM 19749): a, anterior end, lateral view; b, pectinate seta, parapodium 35; c, subacicular hook, parapodium 35; d, compound falciger, parapodium 35; e, parapodium 35, anterior view. Eunice nicidiqformis (holotype, USNM 5213): f, parapodium 16, anterior view; g, pectinate seta, parapodium 16; h, compound falciger, parapodium 16; i, anterior end, lateral view; j, parapodium 47, anterior view; k, pectinate seta, parapodium 47; 1, compound falciger, parapodium 47; m, subacicular hook, parapodium 47. (Scale bars in mm.)
NUMBER 523 237 visible ventrally; anterior ring 4 /s of total peristomial length. Peristomial cirri to front edge of peristomium or somewhat beyond, slender and tapering, with 2 long articulations. Maxillary formula 1+1, 5+6, 6+0, 4+9, and 1+1. Mx III forming part of distal arc with left Mx IV. Branchiae (Figure 79e) present, pectinate, distinctly longer than notopodial cirri, not reduced in mid-body region, erect. Branchiae from setiger 6 to end of fragment. First 2 branchiae single, short filaments; maximum 14 filaments present. Branchial stems short, tapering. Filaments long, slender. Neuropodial acicular lobes distally rounded or truncate; aciculae emerging dorsal to midline. Pre- and postsetal lobes low, transverse folds. First 5 ventral cirri thick, tapering. Ventral cirri basally inflated in branchial region. Inflated bases thick, transverse welts; narrow tips very long, distally truncate, digitiform. Notopodial cirri very long, tapering from slightly inflated bases, less dominant in posterior than in anterior setigers. Notopodial cirri without articulations. Pectinate setae (Figure 79b) coarse, tapering, flat. One marginal tooth slightly longer than other teeth; -10 coarse teeth present. Shafts of compound falcigers (Figure 79d) slightly inflated, marginally smooth. Appendages slender, bidentate. Both teeth directed laterally. Guards asymmetrically bluntly pointed, with convexity covering proximal teeth; mucros absent. Pseudocompound falcigers and compound spinigers absent. Aciculae paired, black, tapering to bluntly conical tips, straight; cross-sections round. Subacicular hooks (Figure 79c) black, bidentate. Hooks first present from setiger 31, present in all setigers thereafter, always single (except for replacements). Hooks slender. Proximal teeth twice as large as distal teeth, directed laterally. UNKNOWN MORPHOLOGICAL FEATURES.—All features associated with posterior parapodia; pygidium and anal cirri. EXPECTED STATES OF UNKNOWN MORPHOLOGICAL FEA- TURES.—None. CHARACTERS USED IN PREPARATION OF KEY NOT SCORED.—Inappropriate Characters: 56. Unknown Characters: 4, 6, 13,14, 36-38; 40, 42,47, 50, 57-60, 63, 74, 78. ASSUMED STATES FOR PURPOSE OF PREPARING KEY.—37,1; 38,1. REMARKS.—Eunice nesiotes is listed with similar species Tables 27 and 31. The ventral cirri are basally inflated through the posterior end in this species; however, the shape cannot be determined accurately. Two other species listed in Table 31 have such distribution of the inflated bases. Eunice borneensis has short peristomial cirri; E. guildingi and E. nesiotes have peristomial cirri reaching the middle of the prostomium. The peristomial cirri lack articulations in E. guildingi; they have two long articulations in E. nesiotes. 134. Eunice nicidioformis Treadwell, 1906 FIGURE 79f-m; TABLES 11,24,25 Eunice nicidiaformis Treadwell, 1906:1169, figs. 49-51. MATERIAL EXAMINED.—Lectotype, USNM 5213, and 5 paralectotypes, USNM 142035, Albatross sta 4098, Hawaiian Islands, 6.5 miles off Puniawa (= Pauwela) Point, Maui (~21°O1X 156°12'W), 23 Jul 1902, 174-278 m, fine coral sand and foraminifera, beamtrawl. Four paralectotypes, USNM 5419, Albatross sta 4077, Hawaiian Islands, 6.1 miles off Puniawa (= Pauwela) Point, Maui (-H'Vl'N, 156°15'W), 21 Jul 1902, 181-194 m, fine coral sand and foraminifera, beamtrawl. DESCRIPTION.—Holotype complete female with large eggs in body cavity with 97 setigers; total length 45 mm; maximal width 2 mm; length through setiger 10, 6 mm. Body slender, cylindrical with long, slender antennae and long, tapering anal cirri. Anal cirri as long as last 15 setigers combined. Prostomium (Figure 79i) distinctly shorter and narrower than peristomium, less than 1 /2 as deep as peristomium. Prostomial lobes frontally rounded, dorsally excavate with a thickened rim; median sulcus deep. Eyes near bases of A-II, dark. Antennae in a horseshoe, with A-I isolated by a gap, similar in thickness. Ceratophores ring-shaped in all antennae, without articulations. Ceratostyles tapering, with up to 10 distinct articulations; articulations cylindrical, drop-shaped distally in A-I. A-I to setiger 1; A-II to setiger 7; A-II I to setiger 13. Antennae of paratypes generally shorter, but A-I always outreaching peristomium and A-III longer than all other antennae in all specimens. Peristomium slightly flaring anteriorly, lower lip scalloped, muscular. Separation between rings distinct dorsally and ventrally; anterior ring ~ 5 /6 of total peristomial length. Peristomial cirri to middle of prostomium, slender and tapering, with 9 articulations. Maxillary formula of a paratype from USNM 5213 1+1,7+7, 8+0, 6+12, and 1+1. Teeth small, slender. Mx III part of distal arc with left Mx IV. Branchiae (Figure 79f) present, single filaments, distinctly shorter than notopodial cirri. Branchiae from setiger 6-8 to setigers 40-50. Branchiae terminating well before posterior end, present on less than 55% of total number of setigers. First 20 branchiae digitiform, slightly shorter than notopodial cirri. In last several branchial setigers branchiae short spurs on dorsal side of notopodial cirri; spurs forming part of vascularized sleeves surrounding bases of notopodial cirri (Figure 79j) in varying number of median setigers. Spurs decreasing in size posteriorly, disappearing at about setigers 40-50. All neuropodial acicular lobes symmetrically conical; aciculae emerging at midline. Anterior presetal lobes excavate, becoming low, transverse folds by setiger 25. All postsetal lobes low, transverse folds. First 9 ventral cirri thick, tapering. Median ventral cirri basally inflated. Inflated bases very large, nearly spherical; narrow tips digitiform. From about setiger 20 inflated bases rapidly reduced, completely missing by setiger 30. Posterior ventral cirri triangular, tapering to distinct tips. Anterior notopodial cirri very long, nearly filiform, with 6 to 8 cylindrical articulations. Notopodial cirri reduced to half length by setiger 20, without articulations. Posterior notopodial cirri
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* A Review of the Genus Eunice (Pol
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S M I T H S O N I A N C O N T R I B
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Contents Page Introduction 1 Nomenc
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NUMBER 523 Eunice brevis (Ehlers, 1
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NUMBER 523 vii Eunice longicirris G
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NUMBER 523 ix Eunice stanleyi, new
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A Review of the Genus Eunice (Polyc
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NUMBER 523 (1820) are exemplary as
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NUMBER 523 included, but not specie
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NUMBER 523 subsequent workers. They
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NUMBER 523 illustrations. Seial len
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NUMBER 523 11 uniformly yellowish g
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NUMBER 523 13 to the frontal jaws (
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NUMBER 523 15 be longer than the ot
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NUMBER 523 17 rounded lobe about as
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NUMBER 523 19 Both outgroup species
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NUMBER 523 21 By "near posterior en
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NUMBER 523 23 69. dentition of appe
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NUMBER 523 25 Eunice djiboutiensis
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NUMBER 523 27 pauper a Grube, 1878b
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NUMBER 523 29 length of antennae in
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NUMBER 523 31 peristomium rubra 32(
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NUMBER 523 33 sulcus shallow tentac
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NUMBER 523 35 Peristomial cirri dig
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NUMBER 523 37 peristomial cirri dig
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NUMBER 523 39 Branchiae palmate [Fi
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NUMBER 523 41 .1 .05 1 5 d b c FIGU
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NUMBER 523 43 .02 .1 c, d FIGURE 4.
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NUMBER 523 45 and 49. In addition t
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NUMBER 523 47 4. Eunice afra Peters
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NUMBER 523 49 median antennae simil
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NUMBER 523 51 afuerensis and E. pel
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NUMBER 523 53 reaching beyond anter
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NUMBER 523 55 .02 .1 1 b. c d FIGUR
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NUMBER 523 57 FIGURE 10.—Eunice a
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NUMBER 523 59 TABLE 2.—Variable a
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NUMBER 523 61 .02 .5 .5 .1 2 e. f,
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NUMBER 523 63 .02 1 .1 f, y, h C FI
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NUMBER 523 65 midline. Pre- and pos
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NUMBER 523 67 Subacicular hooks (Fi
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NUMBER 523 69 REMARKS.—Eunice arm
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NUMBER 523 71 REMARKS.—Eunice art
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NUMBER 523 73 FIGURE 17.—Eunice a
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NUMBER 523 75 • 02 , d a FIGURE 1
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NUMBER 523 77 Proximal teeth larger
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NUMBER 523 79 FIGURE 20.—Eunice b
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NUMBER 523 81 been unable to see th
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NUMBER 523 83 in 120-150 m depth. T
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NUMBER 523 89 FlOURE 24.—Eunice b
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NUMBER 523 91 compound falcigcrs (F
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NUMBER 523 93 EXPECTED STATE OF UNK
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NUMBER 523 97 FIGURE 29.—Eunice c
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NUMBER 523 99 TABLE 3.—Variable a
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NUMBER 523 101 characters, best exp
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NUMBER 523 103 diagnostic." As indi
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NUMBER 523 105 FIGURE 31.—Eunice
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NUMBER 523 107 very short. Shafts s
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NUMBER 523 109 Presetal lobes low,
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NUMBER 523 111 which are similar to
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NUMBER 523 113 45. Eunice complanat
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NUMBER 523 FIGURE 35.—Eunice cong
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NUMBER 523 117 REMARKS.—Eunice co
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NUMBER 523 119 50. Eunice curticirr
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NUMBER 523 121 Anterior neuropodial
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NUMBER 523 123 a wide triangular ba
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NUMBER 523 127 55. Eunice edwardsi
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NUMBER 523 129 reduced, but still v
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NUMBER 523 131 1 2 .5 1 1 a h d h,
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NUMBER 523 133 cirri did not reach
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Page 149 and 150:
NUMBER 523 137 J .02 .1 1 a c, e d
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NUMBER 523 139 .0 2 1 2 1 .1 .5 1 h
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NUMBER 523 141 peristomium. Prostom
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NUMBER 523 143 shorter than filamen
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Page 159 and 160:
NUMBER 523 147 TABLE 5.—Variable
Page 161 and 162:
Page 163 and 164:
NUMBER 523 151 .02 1 1 .1 f. g, h b
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NUMBER 523 153 complete specimen).
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NUMBER 523 155 branchiae is rare in
Page 169 and 170:
NUMBER 523 157 Limbate and pectinat
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NUMBER 523 159 indistinct in both a
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NUMBER 523 161 79. Eunice grubei Gr
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NUMBER 523 163 Prostomium (Figure 5
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NUMBER 523 165 24, present in all s
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Page 181 and 182:
NUMBER 523 169 85. Eunice hawaiensi
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NUMBER 523 171 105 setigers; total
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NUMBER 523 173 dorsally and especia
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Page 189 and 190:
NUMBER 523 177 Filaments slender. N
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NUMBER 523 179 tween Mx III and lef
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Page 195 and 196:
NUMBER 523 183 transverse folds. Al
Page 197 and 198: NUMBER 523 185 CHARACTERS USED IN P
Page 199 and 200: NUMBER 523 187 • 02 .5 ] .1 2 .5
Page 201 and 202: NUMBER 523 189 02 FIGURE 62.—Euni
Page 203 and 204: NUMBER 523 191 .02 1 .1 e. t, q h.
Page 205 and 206: NUMBER 523 193 FIGURE 64.—Eunice
Page 207 and 208: NUMBER 523 195 FlOURE 65.—Eunice
Page 209 and 210: NUMBER 523 197 Peristomial cirri to
Page 213 and 214: NUMBER 523 201 near posterior end,
Page 215 and 216: NUMBER 523 203 TABLE 6.—Variable
Page 219 and 220: NUMBER 523 207 falcigers agree well
Page 221 and 222: NUMBER 523 209 cirri, not reduced i
Page 223 and 224: NUMBER 523 211 Limbate setae margin
Page 229 and 230: NUMBER 523 217 EXPECTED STATES OF U
Page 233 and 234: NUMBER 523 221 articulations in A-1
Page 235 and 236: NUMBER 523 223 J32 J b, c, d a FIGU
Page 237 and 238: NUMBER 523 225 1 10 b, d, e, g. h,
Page 239 and 240: NUMBER 523 227 126. Eunice multicyl
Page 245 and 246: NUMBER 523 233 tion between rings d
Page 247: NUMBER 523 235 ASSUMED STATES FOR P
Page 253 and 254: NUMBER 523 241 proximally cylindric
Page 255 and 256: NUMBER 523 243 digitiform. Anterior
Page 257 and 258: NUMBER 523 245 Eunice oliga papeete
Page 259 and 260: NUMBER 523 247 h. i FIGURE 82.—Eu
Page 261 and 262: NUMBER 523 249 DESCRIPTION.—Body
Page 265 and 266: NUMBER 523 253 the type, there is l
Page 267 and 268: NUMBER 523 255 directed laterally,
Page 269 and 270: NUMBER 523 257 2 1 .1 b, c, », h d
Page 271 and 272: NUMBER 523 259 RGURE 86.—Eunice p
Page 273 and 274: NUMBER 523 261 colored, tridentate
Page 275 and 276: NUMBER 523 263 papeetensis has expa
Page 279 and 280: NUMBER 523 267 These two species ar
Page 281 and 282: NUMBER 523 269 MATERIAL EXAMINED.
Page 283 and 284: NUMBER 523 271 evenly spaced, simil
Page 289 and 290: NUMBER 523 277 Peristomial cirri to
Page 291 and 292: NUMBER 523 279 18+0, 12+12, and 1+1
Page 293 and 294: NUMBER 523 281 than peristomium, as
Page 297 and 298: NUMBER 523 285 167. Eunice reducta
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NUMBER 523 287 articulations. Grube
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NUMBER 523 291 antennae, without ar
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NUMBER 523 295 Jaws not examined. B
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NUMBER 523 297 posiscial lobes low,
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NUMBER 523 299 ASSUMED STATES FOR P
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NUMBER 523 303 smaller specimens. M
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NUMBER 523 305 thereafter, always s
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NUMBER 523 307 The ceratostyles lac
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NUMBER 523 311 184. Eunice stigmatu
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NUMBER 523 313 Eunice stigmalura is
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NUMBER 523 31! .1 .5 a, b, c t n h
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NUMBER 523 317 Hartman (1956, as E.
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NUMBER 523 319 REMARKS.—Eunice th
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NUMBER 523 321 without articulation
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NUMBER 523 325 from setiger 5 throu
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NUMBER 523 327 appendages long, kni
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NUMBER 523 329 superior aciculae li
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NUMBER 523 331 b. c, e, f, g, h. i,
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NUMBER 523 333 paratype consisted o
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NUMBER 523 337 always single (excep
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NUMBER 523 341 1 .05 I 1 h a FIGURE
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NUMBER 523 343 3 A of total peristo
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NUMBER 523 345 Characters: 1, 2, 13
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NUMBER 523 347 TABLE 21.—Comparis
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Appendix A Character List for Eunic
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NUMBER 523 377 4. digitiform 5. cla
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NUMBER 523 379 5.03 13.U 14,U 15,3
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NUMBER 523 381 16.07 16.08 16.09 17
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NUMBER 523 383 28.01 biformicirrata
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NUMBER 523 385 39.03 39.04 39.05 39
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NUMBER 523 387 50.07 50.08 50.09 51
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NUMBER 523 389 62.01 62.02 62.03 62
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NUMBER 523 391 73.04 73.05 73.06 73
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NUMBER 523 393 84.07 84.08 84.09 85
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NUMBER 523 395 96.01 kerguelensis 9
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NUMBER 523 397 107.04 25,3 26,3 27,
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NUMBER 523 399 118.07 118.08 118.09
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NUMBER 523 401 130.01 mutilata 130.
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NUMBER 523 403 141.03 15.U 16,U 17.
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NUMBER 523 405 152.05 35,5 36,28 37
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NUMBER 523 407 164.07 164.08 164.09
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NUMBER 523 409 176.01 savignyi 176.
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NUMBER 523 411 187.04 24,U 25,4 26.
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NUMBER 523 413 198.07 55,2 56- 58-
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Appendix C Important publications o
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NUMBER 523 417 1919c. Pacific Coast
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NUMBER 523 419 Videnskabers Selskab
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NUMBER 523 421 38:1-74,37 figures.
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REQUIREMENTS FOR SMITHSONIAN SERIES
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A Review of the Genus Eunice - Smithsonian Institution Libraries

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