A Review of the Genus Eunice - Smithsonian Institution Libraries

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108 SMITHSONIAN CONTRIBUTIONS TO ZOOLOGY FIGURE 32.—Eunice coccinoides (holotype, ZMH V-5693): a, anterior end, lateral view; b, compound falciger, parapodium 129; c, pectinate seta, parapodium 129; d, subacicular hook, parapodium 129; e, pectinate seta, parapodium 19; f, compound falciger, parapodium 19; g, parapodium 19, anterior view. (Scale bars in mm.)
NUMBER 523 109 Presetal lobes low, transverse folds. Anterior postsetal lobes as high as acicular lobes, projecting as free lobes on ventral sides of acicular lobes, becoming reduced to low, transverse folds from about setiger 25. First 4 ventral cirri thick, tapering. Ventral cirri basally inflated from setiger 5; inflated portion forming thick transverse ridges; narrow tips tapering. Inflated bases becoming reduced from about setiger 55; ventral cirri from about setiger 70 slender, tapering, about as thick as notopodial cirri. Notopodial cirri supported by internal aciculae in all setigers. Anterior notopodial cirri basally inflated, short, tapering, becoming slightly longer and distinctly narrower in the last 50 setigers present. All notopodial cirri without articulations, relatively short. Limbate setae marginally smooth. Shafts of pectinate setae slender, cylindrical. Blades of anterior pectinate setae (Figure 32c) slightly flaring, becoming more distinctly flaring in posterior setigers (Figure 32c). One marginal tooth slightly longer than other teeth; -12 teeth present. Shafts of compound falcigers (Figure 32b, 0 slightly inflated, marginally smooth, without internal striations or distal beaks. Appendages short, tapering, with large heads, bidentate. Proximal teeth larger than distal teeth, narrow-based triangular, directed laterally, but tilted distally in anterior setigers (Figure 32f), directed distally (Figure 32b) in posterior setigers. Distal teeth tapering, distinctly bent in anterior setigers and gently curved in posterior setigers. Guards symmetrically bluntly pointed in and marginally serrated anterior setigers, rounded and marginally smooth in posterior setigers, without mucros. Pseudocompound falcigers and compound spinigers absent. Aciculae single, light copper-colored in anterior setigers, becoming distinctly darker brown in posterior setigers, distinctly projecting, thick, tapering, straight, cross-section round. Subacicular hooks (Figure 32d) copper- to chestnut-colored, bidentate. Hooks first present from setiger 28 or 30, present in all setigers thereafter, always single (except for replacements). Hooks tapering to narrow, bent necks and distinct head. Proximal teeth larger than distal teeth, directed laterally, but tilted distally. Distal teeth shorter than proximal teeth, blunt, directed obliquely laterally. UNKNOWN MORPHOLOGICAL FEATURES.—Features associated with far posterior setigers; pygidium and anal cirri. EXPECTED STATES OF SELECTED UNKNOWN FEATURES.— Branchiae missing on posterior half of body. CHARACTERS USED IN PREPARATION OF KEY NOT SCORED.—Inappropriate Characters: 22, 56, 58, 59. Unknown Characters: 1,2, 38-40,42, 74, 78. ASSUMED STATES FOR PURPOSE OF PREPARING KEY.—38,2. REMARKS.—Eunice coccinioides is listed with similar species in Tables 24 and 26. It is characterized by the copper-chestnut colored aciculae and subacicular hooks, which sets it apart from other species in the group. The subacicular hooks have a distinctly bent neck and the proximal teeth of the subacicular hooks are distally tilted up, resembling the condition in some of the abranchiate species in group B-4. 43. Eunice collaris Grube, 1869 FIGURE 33; TABLES 33,35 Eunice collaris Grube, 1869:494-495 [in part]. MATERIAL EXAMINED.—Three syntypes, ZMB F500, F501, and F2035, Tor, Red Sea, among corals, coll. Ehrenberg. COMMENTS ON MATERIAL EXAMINED.—None of the syntypes are complete, two are very soft and generally in bad shape, but are sufficiently complete, and so distributional features can be identified as can the shapes of the setae. The syntype from F500 is in very good condition and is here described in detail. DESCRIPTION.—Syntype from F500 incomplete with 56 setigers; length 44 mm; maximal width 6 mm at setiger 10; length through setiger 10, 12 mm. Anterior end cylindrical, frontally truncate; body becoming dorsally flattened towards posterior end of fragment. Prostomium (Figure 33a) distinctly shorter and narrower than peristomium, as deep as l /2 of the peristomium. Prostomial lobes frontally rounded, dorsally flattened; median sulcus deep. Eyes present posterior to bases of A-I. Antennae evenly spaced, similar in thickness. Ceratophores ring-shaped in all antennae, without articulations. Ceratostyles digitiform; maximum 8 articulations in A-I 11; articulations cylindrical basally, becoming drop-shaped, nearly moniliform distally. A-I to setiger 1; A-I I to setiger 2 and A-I 11 to setiger 4. Peristomium cylindrical; lower lip slightly inflated, distinctly muscular. Separation between rings well marked dorsally and ventrally and faintly visible laterally; anterior ring - 3 A of total peristomial length. Peristomial cirri short and digitiform; articulations absent. Jaws not examined. Branchiae (Figure 330 present, pectinate, distinctly longer than notopodial cirri, not reduced in mid-body region, flexible. Branchiae from setiger 17 (18 in other specimens) to end of incomplete specimens. All branchiae pectinate with up to 12 filaments at about setiger 50. Branchial stem weak, flexible. Branchial filaments long, slender. Neuropodial acicular lobes symmetrically rounded; aciculae emerging at midline. All presetal lobes low folds. Anterior postsetal lobes distinct ridges behind acicular lobe; median and posterior postsetal lobes low, transverse folds. First 3-4 ventral cirri thick and tapering. Median ventral cirri slightly inflated basally. Inflated bases ovate; narrow tips tapering. Inflated bases totally lost by setiger 50; posterior ventral cirri thick and tapering. All notopodial cirri distinctly inflated basally, and tapering to long tips; basal inflated region especially distinct in setigers 5-25, without articulations. Limbate setae slender, marginally serrated. Pectinate setae (Figure 33e), numbering up to 12 in a parapodium, tapering, furled into shallow scoops; 1 marginal tooth distinctly longer than other teeth; -15 teeth present. Shafts of compound falcigers (Figure 33d) slightly inflated, very finely marginally serrated. Appendages long, tapering; head distinct, bidentate.
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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
Page 69 and 70: NUMBER 523 57 FIGURE 10.—Eunice a
Page 71 and 72: NUMBER 523 59 TABLE 2.—Variable a
Page 73 and 74: NUMBER 523 61 .02 .5 .5 .1 2 e. f,
Page 75 and 76: NUMBER 523 63 .02 1 .1 f, y, h C FI
Page 77 and 78: NUMBER 523 65 midline. Pre- and pos
Page 79 and 80: NUMBER 523 67 Subacicular hooks (Fi
Page 81 and 82: NUMBER 523 69 REMARKS.—Eunice arm
Page 83 and 84: NUMBER 523 71 REMARKS.—Eunice art
Page 85 and 86: NUMBER 523 73 FIGURE 17.—Eunice a
Page 87 and 88: NUMBER 523 75 • 02 , d a FIGURE 1
Page 89 and 90: NUMBER 523 77 Proximal teeth larger
Page 91 and 92: NUMBER 523 79 FIGURE 20.—Eunice b
Page 93 and 94: NUMBER 523 81 been unable to see th
Page 95 and 96: NUMBER 523 83 in 120-150 m depth. T
Page 101 and 102: NUMBER 523 89 FlOURE 24.—Eunice b
Page 103 and 104: NUMBER 523 91 compound falcigcrs (F
Page 105 and 106: NUMBER 523 93 EXPECTED STATE OF UNK
Page 109 and 110: NUMBER 523 97 FIGURE 29.—Eunice c
Page 111 and 112: NUMBER 523 99 TABLE 3.—Variable a
Page 113 and 114: NUMBER 523 101 characters, best exp
Page 115 and 116: NUMBER 523 103 diagnostic." As indi
Page 117 and 118: NUMBER 523 105 FIGURE 31.—Eunice
Page 119: NUMBER 523 107 very short. Shafts s
Page 123 and 124: NUMBER 523 111 which are similar to
Page 125 and 126: NUMBER 523 113 45. Eunice complanat
Page 127 and 128: NUMBER 523 FIGURE 35.—Eunice cong
Page 129 and 130: NUMBER 523 117 REMARKS.—Eunice co
Page 131 and 132: NUMBER 523 119 50. Eunice curticirr
Page 133 and 134: NUMBER 523 121 Anterior neuropodial
Page 135 and 136: NUMBER 523 123 a wide triangular ba
Page 139 and 140: NUMBER 523 127 55. Eunice edwardsi
Page 141 and 142: NUMBER 523 129 reduced, but still v
Page 143 and 144: NUMBER 523 131 1 2 .5 1 1 a h d h,
Page 145 and 146: NUMBER 523 133 cirri did not reach
Page 149 and 150: NUMBER 523 137 J .02 .1 1 a c, e d
Page 151 and 152: NUMBER 523 139 .0 2 1 2 1 .1 .5 1 h
Page 153 and 154: NUMBER 523 141 peristomium. Prostom
Page 155 and 156: NUMBER 523 143 shorter than filamen
Page 159 and 160: NUMBER 523 147 TABLE 5.—Variable
Page 163 and 164: NUMBER 523 151 .02 1 1 .1 f. g, h b
Page 165 and 166: NUMBER 523 153 complete specimen).
Page 167 and 168: 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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NUMBER 523 167 FIGURE 54.—Eunice
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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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NUMBER 523 203 TABLE 6.—Variable
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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 229 and 230:
NUMBER 523 217 EXPECTED STATES OF U
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Page 233 and 234:
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,
Page 239 and 240:
NUMBER 523 227 126. Eunice multicyl
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Page 243 and 244:
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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Page 253 and 254:
NUMBER 523 241 proximally cylindric
Page 255 and 256:
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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Page 279 and 280:
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
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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
Page 329 and 330:
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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