A Review of the Genus Eunice - Smithsonian Institution Libraries

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340 202. Eunice vittatopsis Fauchald, 1970 FIGURE 115j-s; TABLES 41, 43 Eunice vittatopsis Fauchald, 1970:50-52, pi. 7: figs. a-d. MATERIAL EXAMINED.—Holotype, AHF Poly 0337, Velero III sta 739-37, Mexico, Gulf of California, Ensenada de San Francisco, 27°57'05"N, lll°03'20"W, 30 Mar 1937, intertidal, shingle, hand collected. DESCRIPTION.—Holotype incomplete female with 85 setigers; length 38 mm; maximal width 2.5 mm at setiger 10; length through setiger 10, 6 mm. Body with ovate crosssection; each segment more than twice as wide as long, tapering slightly towards anterior end. Prostomium (Figure 115j) distinctly shorter and narrower than peristomium, less than V2 as deep as peristomium. Prostomial lobes frontally obliquely truncate; dorsal surface pustulate; median sulcus shallow. Eyes between bases of A-I and A-I I, dark purple. Antennae in a horseshoe, evenly spaced, similar in thickness. Ceratophores ring-shaped in all antennae, without articulations. Ceratostyles slender and tapering; 3 medial antennae with cylindrical articulations; A-I with distally drop-shaped articulations; maximum number of articulations six in A-I and A-III. A-I to setiger 2; A-II and A-III to setiger 7. A-II slightly longer and distinctly heavier than A-III. Peristomium distorted by protruded jaws, apparently cylindrical. Separation between rings distinct on all sides; anterior ring 3 A of total peristomial length. Peristomial cirri reaching well beyond tip of prostomium, slender, tapering, with 4 long articulations. Maxillary formula 1+1, 8+9, 9+0, 6+13, and 1+1. Mx III long and located behind left Mx II. Mx VI absent. Branchiae (Figure 115m,s) present, pectinate, distinctly longer than notopodial cirri, not reduced in mid-body region, erect. Branchiae from setiger 3 to end of fragment. First 2 pairs single filaments; all other branchiae with 3 or more filaments; maximum 10 filaments present. Branchial stems slender, pliable, tapering. Filaments very long and slender, as long as notopodial cirri in all setigers. Anterior neuropodial acicular lobes distally rounded (Figure 1141); median acicular lobes symmetrically rounded; aciculae emerging at midline. Posterior acicular lobes obliquely truncate with aciculae emerging from upper end. Pre- and postsetal lobes low folds. First 4 ventral cirri tapering and slightly inflated. Ventral cirri distinctly basally inflated by setiger 5 through about setiger 55-60. Inflated base ovate; narrow tips digitiform. In last setigers present ventral cirri slender, digitiform, longer than those in anterior setigers. Notopodial cirri with 3 to 4 long, cylindrical articulations. Anterior notopodial cirri medially, thick, increasing in length through first 5 setigers, with long, slender digitiform tips in anterior branchial setigers, tapering and slender from about setiger 20. Limbate setae rather wide, marginally serrated. Pectinate setae (Figure 115n,q) very narrow, with cylindrical shafts; SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY blades fiat and tapering. One marginal tooth very large; 6-7 teeth present. Shafts of compound falcigers tapering in anterior and median setigers (Figure 115k,o), becoming slightly inflated in posterior setigers (Figure 115r). Anteriorly shafts marginally smooth, becoming marginally serrated in last setigers present. Appendages rather similar in all setigers, tapering, with rather large heads, bidentatc. Proximal teeth narrowly triangular, directed laterally. Distal teeth about as large as proximal teeth, curved. Guards asymmetrically bluntly pointed; marginal serrations absent in anterior, present in posterior setigers; mucros absent. Pseudocompound falcigers and compound spinigers absent. Aciculae paired in most sctigers, yellow, slender, tapering to sharp tips; most straight, but some sharply bent; cross-sections round. Separation between core and sheath indistinct in both aciculae and subacicular hooks. Subacicular hooks (Figure 115p) yellow, tridentate with teeth in a crest. Hooks first present from seliger 39, present in all setigers thereafter, always single (except for replacements). Main fangs large; secondary fang small and tertiary fang very small, appended to back of secondary fang. UNKNOWN MORPHOLOGICAL FEATURES.—Posterior distribution of branchiae; pygidium and anal cirri. EXPECTED STATES OF UNKNOWN MORPHOLOGICAL FEA- TURES.—None. CHARACTERS USED IN PREPARATION OF KEY NOT SCORED.—Inappropriate Characters: 56, 58, 59. Unknown Characters: 1, 2, 36-38,40,42, 63. ASSUMED STATES FOR PURPOSE OF PREPARING KEY.—37,2; 38,2. REMARKS.—Eunice vittatopsis belongs to group C-l; Fauchald (1970) reported non-type specimens with a limited numbers of pairs of branchiae. It is compared to similar species in Tables 41 and 43. It is the only species in Table 43 in which the peristomial cirri project clearly beyond the prostomium. Eunice vivida Stimpson, 1854 Eunice vivida Stimpson, 1854:35, fig.26. REMARKS.—This species, of which no specimens are available, was described from Grand Manan in the Bay of Fundy. The description and illustration showed a species with long, slender, tapering peristomial cirri and branchiae present from setiger 3 through setiger 42, and branchiae pectinate with a maximum of nearly 20 filaments. Nothing is mentioned about the setal distribution or structure, nor are there any additional details that allow identification. Stimpson may have had a specimen of E. pennata (see above), but the information present in the original description is insufficient to allow identification. Eunice vivida is here considered indeterminable. 203. Eunice wasinensis, new name FIGURE 116a-d; TABLES 33, 40 Nicidion gracilis Crossland, 1904:327-329, figs. 65,66 pi. 22: figs. 10, 11.
NUMBER 523 341 1 .05 I 1 h a FIGURE 116.—-Eunice wasinensis (syntype, BM(NH) ZK 1928.4.11.50): a, anterior end, lateral view; b, parapodium 60, anterior view; c, pectinate seta, parapodium 60; d, subacicular hook, parapodium 60. Eunice websleri (holotype of Eunice loncicirrala Webster, USNM 4792): e, anterior end, lateral view; f, pectinate seta, anteromedian parapodium; g, compound falciger, anteromedian parapodium; h, anteromedian parapodium, anterior view; i, posterior parapodium, anterior view; j, pectinate seta, posterior parapodium; k, compound falciger, posterior parapodium; 1, subacicular hooks, posterior parapodium. (Scale bars in mm.)
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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
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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
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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
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NUMBER 523 185 CHARACTERS USED IN P
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NUMBER 523 187 • 02 .5 ] .1 2 .5
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NUMBER 523 189 02 FIGURE 62.—Euni
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NUMBER 523 191 .02 1 .1 e. t, q h.
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Page 207 and 208:
NUMBER 523 195 FlOURE 65.—Eunice
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NUMBER 523 197 Peristomial cirri to
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NUMBER 523 201 near posterior end,
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Page 217 and 218:
Page 219 and 220:
NUMBER 523 207 falcigers agree well
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NUMBER 523 209 cirri, not reduced i
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NUMBER 523 211 Limbate setae margin
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Page 227 and 228:
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NUMBER 523 217 EXPECTED STATES OF U
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NUMBER 523 221 articulations in A-1
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NUMBER 523 223 J32 J b, c, d a FIGU
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NUMBER 523 225 1 10 b, d, e, g. h,
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NUMBER 523 227 126. Eunice multicyl
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Page 245 and 246:
NUMBER 523 233 tion between rings d
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NUMBER 523 235 ASSUMED STATES FOR P
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NUMBER 523 237 visible ventrally; a
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NUMBER 523 241 proximally cylindric
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NUMBER 523 243 digitiform. Anterior
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NUMBER 523 245 Eunice oliga papeete
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NUMBER 523 247 h. i FIGURE 82.—Eu
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NUMBER 523 249 DESCRIPTION.—Body
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NUMBER 523 253 the type, there is l
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NUMBER 523 255 directed laterally,
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NUMBER 523 257 2 1 .1 b, c, », h d
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NUMBER 523 259 RGURE 86.—Eunice p
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NUMBER 523 261 colored, tridentate
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NUMBER 523 263 papeetensis has expa
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NUMBER 523 267 These two species ar
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NUMBER 523 269 MATERIAL EXAMINED.
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NUMBER 523 271 evenly spaced, simil
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NUMBER 523 277 Peristomial cirri to
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NUMBER 523 279 18+0, 12+12, and 1+1
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NUMBER 523 281 than peristomium, as
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NUMBER 523 285 167. Eunice reducta
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NUMBER 523 287 articulations. Grube
Page 301 and 302: NUMBER 523 289 FIGURE 97.—Eunice
Page 303 and 304: NUMBER 523 291 antennae, without ar
Page 307 and 308: NUMBER 523 295 Jaws not examined. B
Page 309 and 310: NUMBER 523 297 posiscial lobes low,
Page 311 and 312: NUMBER 523 299 ASSUMED STATES FOR P
Page 315 and 316: NUMBER 523 303 smaller specimens. M
Page 317 and 318: NUMBER 523 305 thereafter, always s
Page 319 and 320: NUMBER 523 307 The ceratostyles lac
Page 323 and 324: NUMBER 523 311 184. Eunice stigmatu
Page 325 and 326: NUMBER 523 313 Eunice stigmalura is
Page 327 and 328: NUMBER 523 31! .1 .5 a, b, c t n h
Page 329 and 330: NUMBER 523 317 Hartman (1956, as E.
Page 331 and 332: NUMBER 523 319 REMARKS.—Eunice th
Page 333 and 334: NUMBER 523 321 without articulation
Page 337 and 338: NUMBER 523 325 from setiger 5 throu
Page 339 and 340: NUMBER 523 327 appendages long, kni
Page 341 and 342: NUMBER 523 329 superior aciculae li
Page 343 and 344: NUMBER 523 331 b. c, e, f, g, h. i,
Page 345 and 346: NUMBER 523 333 paratype consisted o
Page 347 and 348: NUMBER 523 335 TABLE 16.—Variable
Page 349 and 350: NUMBER 523 337 always single (excep
Page 351: NUMBER 523 339 TABLE 18.—Variable
Page 355 and 356: NUMBER 523 343 3 A of total peristo
Page 357 and 358: NUMBER 523 345 Characters: 1, 2, 13
Page 359 and 360: NUMBER 523 347 TABLE 21.—Comparis
Page 387 and 388: Appendix A Character List for Eunic
Page 389 and 390: NUMBER 523 377 4. digitiform 5. cla
Page 391 and 392: NUMBER 523 379 5.03 13.U 14,U 15,3
Page 393 and 394: NUMBER 523 381 16.07 16.08 16.09 17
Page 395 and 396: NUMBER 523 383 28.01 biformicirrata
Page 397 and 398: NUMBER 523 385 39.03 39.04 39.05 39
Page 399 and 400: NUMBER 523 387 50.07 50.08 50.09 51
Page 401 and 402: 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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