diff --git a/data/03/B4/87/03B487EDFFEDF52896DD84A9FDD90FA0.xml b/data/03/B4/87/03B487EDFFEDF52896DD84A9FDD90FA0.xml deleted file mode 100644 index 05e0d4e4838..00000000000 --- a/data/03/B4/87/03B487EDFFEDF52896DD84A9FDD90FA0.xml +++ /dev/null @@ -1,166 +0,0 @@ - - - -Review of the genus Ishiharella Dworakowska (Hemiptera: Cicadellidae: Typhlocybinae), with description of two new species - - - -Author - -Wang, Ran - - - -Author - -Zhang, Yalin - - - -Author - -Cao, Yanghui - -text - - -Zootaxa - - -2025 - -2025-03-13 - - -5604 - - -2 - - -176 -184 - - - - -https://doi.org/10.11646/zootaxa.5604.2.7 - -journal article -10.11646/zootaxa.5604.2.7 -1175-5326 -15035686 -BBB47F67-82FE-40F5-926C-A725A70374F6 - - - - - - - -Ishiharella -Dworakowska, 1970 - - - - - - - - - - -Ishiharella -Dworakowska, 1970: 716 - - -; - -Qin & Zhang, 2004: 114 - -; - - -Lu -et al. -, 2015: 280 - - -; - - -Yu -et al. -, 2015: 571 - - -. - - - - - - -Type -species. - - -Empoasca polyphemus -Matsumura, 1931 - -, by original designation of - -Ishiharella -Dworakowska, 1970 - -. - - - - -Description. -Body robust, cylindrical. General color sordid ochre to fuscous. Head with a central dark patch at the transition from vertex to face and pair of slim, bracket-like depressions on each side, sometimes with a dark patch in the center of crown posterior margin. Anteclypeus dark apically. Thorax with pair of slim, sinuated depressions on each side. Ocelli present. Face broad, width across eyes nearly equal to length, frontoclypeus swollen. Profile of transition to face rounded. Crown short and wide, rounded anteriorly, in dorsal view distinctly shorter than width between eyes, anterior and posterior margins subparallel, coronal suture present, usually indistinct. - -Pronotum large, lateral part general with a sinuate transverse depression on each side. Forewing narrow, rounded apically, 2nd apical cell broad at base and narrowed towards apex, veins RP, MP’ stalked, RP, MP’ and MP’’+CuA’ arise from m cell; c and r cells narrower than m and cua cells. Hindwing with CuA unbranched. Coloration of female same as male except abdomen brownish red, ovipositor brown. -Front femur intercalary row with 7–9 fine setae and 1 relatively large basal seta more distad, extended nearly half length of femur; row with 9–14 posteroventral setae (PV) situated on the whole tibia in a row from short to long and 1 pair of setae situated on apex of tibia; tarsus elongate, approximately one third length of tibia. Middle femur row PV slim, with 20–25 short, small setae in ventral view; tarsus almost same as tarsus in fore leg. Hind femur with macrosetal formula 2+1+1, tibia anteroventral row (AV) with 6 preapical macrosetae; anterodorsal setae (AD) and posterodorsal setae (PD) numerous, almost same size, both longer than posteroventral setae (PV), and row AV with 6–9 macrosetae near apex; tarsus longer than front and middle tarsus. -Male basal abdominal apodemes not greatly enlarged. Male pygofer elongated, with ventral margins folded inward and forming a small process distally, with macrosetae caudally, ventral appendage absent. Dorsal bridge of pygofer short, about 1/3 as the length of pygofer lobe. Subgenital plate partly to completely fused, lateral margins infolded on both sides, with row of sublateral macrosetae. Basal group setae absent. Paramere elongate, apex variable interspecifically, spirally twisted, or bifurcated at apex and bearing a tooth basad of bifurcation. Aedeagus shaft tubular, structure complex, with processes basally. Anal tube process developed or short and truncated apically. Connective lamellate caudally and crimped basally. - -Notes. -Previous studies indicated that the coronal suture was absent, but the samples examined which were boiled the whole body in NaOH showed that the coronal suture can be observed. - - - - -Distribution. -China -( -Anhui -, -Chongqing -, -Guangdong -, -Guangxi -, -Guizhou -, -Hunan -, -Hubei -, -Shaanxi -, -Yunnan -, -Zhejiang -); -Thailand -; -Japan -; -Russia -. - - - - \ No newline at end of file diff --git a/data/03/B4/87/03B487EDFFEDF52A96DD84A9FA610CFA.xml b/data/03/B4/87/03B487EDFFEDF52A96DD84A9FA610CFA.xml new file mode 100644 index 00000000000..7df5759b2b4 --- /dev/null +++ b/data/03/B4/87/03B487EDFFEDF52A96DD84A9FA610CFA.xml @@ -0,0 +1,380 @@ + + + +Review of the genus Ishiharella Dworakowska (Hemiptera: Cicadellidae: Typhlocybinae), with description of two new species + + + +Author + +Wang, Ran + + + +Author + +Zhang, Yalin + + + +Author + +Cao, Yanghui + +text + + +Zootaxa + + +2025 + +2025-03-13 + + +5604 + + +2 + + +176 +184 + + + + +https://doi.org/10.11646/zootaxa.5604.2.7 + +journal article +10.11646/zootaxa.5604.2.7 +1175-5326 +15035686 +BBB47F67-82FE-40F5-926C-A725A70374F6 + + + + + + + +Ishiharella +Dworakowska, 1970 + + + + + + + + + + +Ishiharella +Dworakowska, 1970: 716 + + +; + +Qin & Zhang, 2004: 114 + +; + + +Lu +et al. +, 2015: 280 + + +; + + +Yu +et al. +, 2015: 571 + + +. + + + + + + +Type +species. + + +Empoasca polyphemus +Matsumura, 1931 + +, by original designation of + +Ishiharella +Dworakowska, 1970 + +. + + + + +Description. +Body robust, cylindrical. General color sordid ochre to fuscous. Head with a central dark patch at the transition from vertex to face and pair of slim, bracket-like depressions on each side, sometimes with a dark patch in the center of crown posterior margin. Anteclypeus dark apically. Thorax with pair of slim, sinuated depressions on each side. Ocelli present. Face broad, width across eyes nearly equal to length, frontoclypeus swollen. Profile of transition to face rounded. Crown short and wide, rounded anteriorly, in dorsal view distinctly shorter than width between eyes, anterior and posterior margins subparallel, coronal suture present, usually indistinct. + +Pronotum large, lateral part general with a sinuate transverse depression on each side. Forewing narrow, rounded apically, 2nd apical cell broad at base and narrowed towards apex, veins RP, MP’ stalked, RP, MP’ and MP’’+CuA’ arise from m cell; c and r cells narrower than m and cua cells. Hindwing with CuA unbranched. Coloration of female same as male except abdomen brownish red, ovipositor brown. +Front femur intercalary row with 7–9 fine setae and 1 relatively large basal seta more distad, extended nearly half length of femur; row with 9–14 posteroventral setae (PV) situated on the whole tibia in a row from short to long and 1 pair of setae situated on apex of tibia; tarsus elongate, approximately one third length of tibia. Middle femur row PV slim, with 20–25 short, small setae in ventral view; tarsus almost same as tarsus in fore leg. Hind femur with macrosetal formula 2+1+1, tibia anteroventral row (AV) with 6 preapical macrosetae; anterodorsal setae (AD) and posterodorsal setae (PD) numerous, almost same size, both longer than posteroventral setae (PV), and row AV with 6–9 macrosetae near apex; tarsus longer than front and middle tarsus. +Male basal abdominal apodemes not greatly enlarged. Male pygofer elongated, with ventral margins folded inward and forming a small process distally, with macrosetae caudally, ventral appendage absent. Dorsal bridge of pygofer short, about 1/3 as the length of pygofer lobe. Subgenital plate partly to completely fused, lateral margins infolded on both sides, with row of sublateral macrosetae. Basal group setae absent. Paramere elongate, apex variable interspecifically, spirally twisted, or bifurcated at apex and bearing a tooth basad of bifurcation. Aedeagus shaft tubular, structure complex, with processes basally. Anal tube process developed or short and truncated apically. Connective lamellate caudally and crimped basally. + + + +Notes. +Previous studies indicated that the coronal suture was absent, but the samples examined which were boiled the whole body in NaOH showed that the coronal suture can be observed. + + + + +Distribution. +China +( +Anhui +, +Chongqing +, +Guangdong +, +Guangxi +, +Guizhou +, +Hunan +, +Hubei +, +Shaanxi +, +Yunnan +, +Zhejiang +); +Thailand +; +Japan +; +Russia +. + + + + + +Checklist of species of the genus + +Ishiharella +Dworakowska + + + + + + + + + +Key to species of + +Ishiharella +Dworakowska + +(males) + + + + + + +1. Subgenital plate with no more than basal 1/2 fused........................................................... 2 + + +Subgenital plate with at least basal 1/2 fused................................................................ 6 + + + + + +2. Apex of paramere fork-like...................................................................... + +I. iochoui + + + + +Apex of paramere not fork-like.......................................................................... 3 + + + + + +3. Aedeagus with basoventral protrusion not bifurcated.......................................... + +I. trifurcata + + +sp. nov. + + + + +Aedeagus with basoventral protrusion bifurcated............................................................ 4 + + + + + +4. Aedeagal shaft slightly shorter than basoventral protrusion.......................................... + +I. paradentata + +Aedeagal shaft much shorter than basoventral protrusion...................................................... 5 + + + + + + + + +5. Aedeagal shaft straight....................................................................... + +I. dentidensa + + +Aedeagal shaft bent subapically................................................................ + +I. polyphemus + + + + + + + + + +6. Subgenital plate with no more than basal 2/3 fused........................................................... 7 + + +Subgenital plate with at least basal 2/3 fused................................................................ 8 + + + + + +7. Aedeagal shaft compressed, with serrated margins.................................................... + +I. dentata + + +Aedeagal shaft not compressed, with smooth margins........................................ + +I. spinosa + + +comb. nov. + + + + + + + + + +8. Aedeagal basoventral protrusion with three pairs of branches................................................... 9 + + +Aedeagal basoventral protrusion with one pairs of branches................................................... 10 + + + + + +9. Subgenital plate fused completely.................................................................. + +I. inflata + + +Subgenital plate not fused completely.......................................................... + +I. multiprotrusa + + + + + + + + + + +10. Aedeagal basoventral protrusion with branches hirsute distally........................................... + +I. hirsute + +Aedeagal basoventral protrusion not hirsute distally......................................................... 11 + + + + + + + + +11. Pygofer side with dorsal processes.............................................................. + +I. donanensis + +Pygofer side without dorsal processes.................................................................... 12 + + + + + + + + +12 Apex of paramere not bifurcated................................................................... + +I. falcata + + + + +Apex of paramere bifurcated........................................................................... 13 + + + + + +13 Caudoventral protrusion of pygofer not surpassing pygofer side in lateral view...................... + +I. wuxiensis + + +sp. nov. + + + + + +Caudoventral protrusion of pygofer surpassing pygofer side in lateral view................................. + +I. hastata + + + + + + + + + \ No newline at end of file diff --git a/data/4E/AC/68/4EAC680D208B56DA8ED5AA1DC8F71899.xml b/data/4E/AC/68/4EAC680D208B56DA8ED5AA1DC8F71899.xml new file mode 100644 index 00000000000..57810012673 --- /dev/null +++ b/data/4E/AC/68/4EAC680D208B56DA8ED5AA1DC8F71899.xml @@ -0,0 +1,878 @@ + + + +Paucibranchia glemareci sp. nov. (Annelida, Eunicidae), a new species from the French Atlantic continental shelf + + + +Author + +Pinsivy, Lucas +https://orcid.org/0009-0006-6854-1374 +UAR 3113, Observatoire Marin, Université de Brest, 29280 Plouzané, France & Laboratoire des Sciences de l’Environnement Marin (LEMAR), UMR 6539 CNRS / UBO / IRD / IFREMER, Plouzané, France + + + +Author + +Lavesque, Nicolas +0000-0001-5701-2393 +Université de Bordeaux, CNRS, Bordeaux INP, EPOC, UMR 5805, Arcachon, France + + + +Author + +Daffe, Guillemine +0000-0002-7085-3151 +CNRS, Université de Bordeaux – Observatoire Aquitain des Sciences de l’Univers, UAR 2567, POREA, Pessac, France + + + +Author + +Daramy, Flore +0000-0002-1141-4554 +Université de Bordeaux, CNRS, Bordeaux INP, EPOC, UMR 5805, Arcachon, France + + + +Author + +Hutchings, Pat +0000-0001-7521-3930 +Australian Museum Research Institute, Australian Museum, NSW 2010, Sydney, Australia & Marine Ecology Group, School of Natural Sciences, Faculty of Science and Engineering, Wallumattagal Campus, Macquarie University, NSW 2109, Australia + +text + + +ZooKeys + + +2025 + +2025-03-18 + + +1232 + + +187 +203 + + + +journal article +10.3897/zookeys.1232.143944 +0A9637CB-31D1-4D68-8B9B-DDFBB6319C71 + + + + + +Paucibranchia glemareci + +sp. nov. + + + + +Figs 2 +, +3 +, +4 + + + + +Material examined. + + + + + +Holotype + +. + +France +– + +Bay of Biscay + +• “Grande Vasière”; + +46.800 +, +-3.750 + +; depth + +128 m + +; + +Sep. 2019 + +; APPEAL ATL 19-2 Campaign; station +FLLD 2 +; Hamon grab; + + +MNHN + +-IA 2000-2112 + + + + + +Paratypes + +. + +France +– + +Bay of Biscay + +• +3 specimens +; same collection data as for the holotype; + + +MNHN + +-IA 2000-2113 + +and + + +MNHN + +-IA 2000-2114 + +, + + +AM + +W.55320 + + +• + +1 spec. +; “ +Grande Vasière +”; + +47.116 +, +-3.910 + +; depth + +116 m + +; + +Sep. 2019 + +; +APPEAL ATL 19-2 Campaign; stn FLLC 3 +; +Hamon grab +; + +MNHN +-IA 2000-2115 + + +• + +1 spec. +; “ +Grande Vasière +”; + +46.940 +, +-3.480 + +; depth + +109 m + +; + +Sep. 2019 + +; +APPEAL ATL 19-2 Campaign; stn FLLBB 1 +; +Hamon grab +; + +MNHN +-IA 2000-2116 + + +• + +1 spec. +; “ +Grande Vasière +”; + +47.150 +, +-3.587 + +; depth + +101 m + +; + +May 2019 + +; +APPEAL ATL 19-1 Campaign; stn 5880 +; +Rallier du Baty dredge +; + +MNHN +-IA 2000-2117 + + +• + +1 spec. +(mounted for SEM); same data as for +MNHN +-IA 2000-2117; + +AM +W.55323 + + +. + + + + +Additional material for molecular analyses. + + + +Paucibranchia glemareci + +sp. nov. + +France +– + +Bay of Biscay + +• +1 spec. +; “ +Grande Vasière +”; + +47.514 +, +-4.540 + +; depth + +112 m + +; + +Oct. 2022 + +; +EVHOE 2022 Campaign; stn A 1470 +; +Rallier du Baty dredge +; GenBank no: +PV 021094 +(COI); + +SMA +-NL 298 + + + +Paucibranchia bellii + +. +France +– + +Brittany + +• +1 spec. +; +Morlaix Bay +, +Pierre Noire +; + +48.708 +, +-3.866 + +; depth + +17 m + +; + +Feb. 2023 + +; +Céline Houbin +leg.; +Van Veen grab +; GenBank no: +PV 019095 +(COI); + +SMA +-NL 194 + +• 2 specs; +Brignogan +; + +48.673 +, +-4.321 + +; +Intertidal +; + +Mar. 2023 + +; +Jacques Grall +leg.; +Hand corer +; GenBank no: +PV 019094 +, +PV 019092 +(COI); + +SMA +-NL 192 + +and + +SMA +-NL 183 + +• +1 spec. +; +Brest +, +“du Château” harbour +; + +48.378 +, +-4.488 + +; depth + +5 m + +; + +Jul. 2022 + +; +Vincent Le Garrec +leg.; +Day grab +; GenBank no: +PV 019093 +(COI); + +SMA +-NL 185 + +. + + + + +Diagnosis. + + +Prostomium anteriorly rounded with ventral sulcus. Five prostomial appendages arranged in an arc on posterior margin of prostomium. Eyes present, round and dark. Maxillary formula: 1 + 1, 8 + 9 (8), 9 + 0, 5 (6) + 10, 1 + 1. Branchiae pectinate, present from chaetiger 14–16 to 31–33 with 8–13 long filaments. Dorsal cirri always well developed, slightly longer but thinner in postbranchial chaetigers. Ventral cirri shorter than dorsal cirri, bluntly triangular in pre-branchial region, becoming bluntly conical and thinner through the body. Postchaetal lobes well developed in anterior part of body, becoming inconspicuous from about chaetiger 45 onwards. Three or four light brown aciculae in prebranchial chaetigers, decreasing to two in anterior part of branchial region and to one thereafter. Subacicular hooks light brown, bidentate, commencing from chaetiger 33–37 and present in all following chaetigers; most often one per chaetiger but sometimes two in posterior part of body. Compound chaetae all bidentate falcigers, with two sizes of blades, short ones about 50 µm, long ones about 90 µm. +One type +of pectinate chaetae identified: narrow, isodont with 2–5 long and slender internal teeth. Posterior pectinate chaetae, if different, unknown. Pygidium unknown. + + + + +Description + + +(based on +holotype +, with variation in parentheses for +paratypes +). Specimens fixed in alcohol whitish, specimens fixed in formalin pinkish with reddish spots on prostomium, ventrum, parapodia, dorsal cirri, and lateral parts of dorsum (Fig. +2 B, C +). All specimens incomplete, +holotype +with 60 chaetigers (longest +paratype +with about 90 chaetigers), about +26 mm +( +13.3–47.5 mm +) long, +1.9 mm +(1.0– +2.5 mm +) wide at chaetiger 10, including parapodia. Body round in cross section anteriorly (about chaetiger 7–8), dorsoventrally flattened thereafter. + + + + + + + +Paucibranchia glemareci + +sp. nov. +paratype + +MNHN +-IA 2000-2113 + +( +A, C, D +), holotype + +MNHN +-IA 2000-2112 + +( +B +) +A +anterior end, dorsal view +B +anterior end, dorsal view +C +branchial chaetigers, dorsal view +D +anterior end, ventral view. Abbreviations: Ey, eyes. + + + +Prostomium anteriorly rounded (slightly conical), without dorsal median sulcus, ventral sulcus deep (Figs +2 A – D +, +4 A, B +). Palps and antennae arranged in an arc on posterior margin of prostomium. Median antenna isolated by gap from lateral antennae and palps. Median antenna longer than lateral ones, lateral antennae longer than palps, antennae much longer and palps slightly longer (same size) than prostomium (Figs +2 B +, +4 A +). Median antenna reaching chaetiger 3 (2), lateral antennae end of chaetiger 1 (end of second peristomial ring) and palps second peristomial ring (end of first peristomial ring) (Figs +2 B +, +4 A +). Ceratostyles and palpostyles slender and tapering, with indistinct cylindrical articulations. Ceratophores and palpophores indistinct. Eyes present, one pair, rounded, black, situated at posterior base of palps and lateral to lateral antennae (Fig. +2 B +). Separation between both peristomial rings distinct on all sides. First peristomial ring as long as second one dorsally (1 ½ × as long as second one), twice as long laterally (Figs +2 B +, +4 A +). Anterior dorsal margin of first peristomial ring forming convoluting collar on +holotype +and most +paratypes +(Fig. +2 B +). Some small specimens (non-type), less than +1 mm +wide, lacking palps. + + +Maxillary formula as follows: MF = 1 + 1, 8 + 9 (8), 9 + 0, 5 (6) + 10, 1 + 1, MVI absent (Fig. +3 E +). Maxillary carrier approximately 2 × shorter than MI, rectangular anteriorly, triangular posteriorly, with a pair of rounded wings situated at posterolateral margins. MI forceps-like, without attachment lamellae, with falcal arch developed, rounded; with outer edge of base straight and with curvature in basal inner edge where base of maxillae II is supported. Closing system approximately 5 × shorter than MI. MII without attachment lamella but with small basal ligament, teeth triangular, distributed on half of plate length. MIII, single, longer than left MIV, slightly curved, with equal-sized triangular teeth, without attachment lamella but with small basal ligament. Left MIV short (less than half length of right MIV), attachment lamella dark, 2 × shorter than corresponding MIV, subtriangular. Right MIV long, with teeth triangular, decreasing in size posteriorly; attachment lamella oval, 3 × shorter than corresponding MIV, dark. MV, paired, longer than high, whitish (Fig. +3 E +). Mandibles light brown, with concentric stripes; longer than MI; cutting plates whitish (Fig. +3 F +). + + + + + + + +Paucibranchia glemareci + +sp. nov. +paratype + +MNHN +-IA 2000-2116 + +( +A, D +), paratype + +MNHN +-IA 2000-2114 + +( +B, C, E, F +) +A +parapodia from chaetiger 10 +B +parapodia from chaetiger 22 +C +parapodia from chaetiger 40 +D +parapodia from chaetiger 87 +E +maxilla, dorsal view +F +mandibles, dorsal view. Abbreviations: Ac, acicula; Dc, dorsal cirri; Sah, sub-acicular hook; Vc, ventral cirri. + + + + + + + + +Paucibranchia glemareci + +sp. nov. +paratype + +AM +W.55323 + +, SEM +A +anterior end, dorsal view +B +anterior end, ventral view +C +compound falcigers, chaetiger 9 +D +parapodia, chaetiger 47 +E +pectinate chaetae, chaetiger 6 +F +pectinate chaetae, chaetiger 2. Abbreviations: Cfal, compound falciger; Li, limbate chaetae; Pect, pectinate chaetae; Sah, Sub-acicular hook. + + + +First three parapodia smallest; most developed from chaetiger 4 to end of branchial chaetigers, following ones becoming gradually smaller (Fig. +3 A – D +). Prechaetal lobes as transverse fold in all chaetigers. Postchaetal lobes well developed until end of branchial chaetigers, bluntly triangular in first 9–10 chaetigers, becoming conical, longer and thinner through branchial region, then decreasing in size, becoming inconspicuous from about chaetiger 45. Dorsal cirri conical, tapering, becoming slender and longer from first chaetiger to end of branchial region, then filiform until end of body. Dorsal cirri slightly longer in post-branchial region than in pre-branchial chaetigers. Ventral cirri shorter than dorsal cirri, bluntly triangular in pre-branchial region, becoming bluntly conical and thinner throughout body (Fig. +3 A – D +). + + +Branchiae pectinate, commencing from chaetiger 16 (14–15) continuing for a limited number of segments, until chaetiger 32 (31–33); with 8–13 long filaments; branchial filament about 1.5 × longer than dorsal cirri where best developed (Figs +2 C +, +3 B +). Smaller specimens (non-type) have branchiae starting earlier and less numerous (from chaetiger 11 to 20 for a specimen +0.8 mm +wide). + + +Aciculae light brown with paler blunt tips, three or four aciculae on pre-branchial chaetigers, two on anterior part of branchial region, and one from mid part of branchial region and following chaetigers; some posterior chaetigers with two aciculae. Supra-acicular chaetae with limbate capillaries and pectinates; capillaries present from first chaetiger to posterior ones, numbering up to +15 in +anterior chaetigers and up to five in posteriormost chaetigers (Fig. +4 C, D +). +One type +of pectinate chaetae identified: narrow, isodont with 2–5 long and slender internal teeth; inner teeth with terminal filaments; outer teeth longer, but of different length (Fig. +4 E, F +), anterior body with two or three pectinate chaetae by parapodium, mid-body chaetigers with one chaeta, not seen posteriorly (but longest +paratype +with most of posterior chaetae broken). Subacicular chaetae including compound falcigers and subacicular hooks, compound spinigers absent (Fig. +4 C, D +). Compound falcigers bidentate, with two sizes of blades, short ones about 50 µm, long ones about 90 µm, commencing from first chaetiger to posterior part, with more than 30 chaetae within parapodium in anterior part, with about seven chaetae in mid-body and four or five on last chaetigers (Fig. +4 C, D +). Subacicular hooks ( + +SAH + +) light brown, bidentate, commencing from chaetiger 35 (33–37) and present in all chaetigers thereafter, ventral to bundle of falcigers, generally one per parapodium; few posterior chaetigers with two hooks (Fig. +4 D +). Smaller specimens (non-type) have +SAH +starting earlier (at 19 +th +chaetiger for a specimen of +0.6 mm +wide and at 29 +th +for a specimen +0.8 mm +wide). + +Pygidium unknown. + + + +Etymology. + +This species is named after Michel Glemarec for his major contribution to the ecology of the Grande Vasière and the taxonomy of polychaetes. + + + +Type locality. + + +Northeastern Atlantic Ocean, Bay of Biscay, “Grande Vasière”, Station FLLD 2 ( + +46.800 +, +-3.750 + +, +128 m +depth). + + + + +Distribution. + +Known from the “ Grande Vasière ” area. + + + +Habitat. + + +Fine sands to muddy sands, between 100 and +130 m +depth. + + + + +Remarks. + + + +Paucibranchia glemareci + +sp. nov. +is easily distinguished from other species described from Europe by the presence of compound falcigers and the absence of compound spinigers. It is, however, very close to + +P. adenensis +( +Gravier, 1900 +) + +, described from +Yemen +and (questionably) later reported from the Mediterranean Sea ( +Katsiaras et al. 2014 +; +Katsiaras 2021 +; +Rousou et al. 2023 +; +Langeneck et al. 2024 +). These two species share the presence of rounded eyes, only falcigerous compound chaetae, same branchial distribution and similar looking bidentate sub-acicular hooks. They can however be separated based on morphological characters. According to the redescription of + +P. adenensis + +by +Molina-Acevedo (2018) +, + +P. glemareci + +sp. nov. +differs by its maxillary formula (1 + 1, 8 + 9 (8), 9 + 0, 5 (6) + 10, 1 + 1) versus (1 + 1, 7 (8) + 7 (8), 6 (7) + 0, 4 (5) + 7 (8-9), 1 + 1) for + +P. adenensis + +, the number of aciculae on prebranchial chaetigers (up to four for + +P. glemareci + +sp. nov. +versus up to two for + +P. adenensis + +) and shorter blades on anterior compound falcigers (50 and 90 µm for + +P. glemareci + +sp. nov. +versus 90 and 105 µm for + +P. adenensis + +). Moreover, both species appear to have a different colouration after fixation; + +P. glemareci + +sp. nov. +presents reddish spots on most specimens, but never brown colouration as observed on some non-type specimens of + +P. adenensis + +by +Molina-Acevedo (2018) +. + + +Worldwide, + +P. glemareci + +sp. nov. +shares the absence of compound spinigers with + +P. conferta +( +Moore, 1911 +) + +, + +P. gathofi +Molina-Acevedo, 2018 + +, + +P. gemmata +( +Mohammad, 1973 +) + +, + +P. miroi +Molina-Acevedo, 2018 + +, + +P. patriciae +Molina-Acevedo, 2018 + +, + +P. purcellana +( +Willey, 1904 +) + +, + +P. triantennata +Kim, Soh & Jeong, 2022 + +and with an undescribed species ( + +Paucibranchia +sp. 2 + +of +Molina-Acevedo 2018 +). However, it differs from + +P. conferta + +, + +P. gemmata + +, + +P. miroi + +, + +P. patriciae + +, + +P. purcellana + +, and +P. +sp. 2 by the chaetiger on which the branchiae start (chaetiger 14–16 for + +P. glemareci + +sp. nov. +versus chaetiger 22 for + +P. gemmata + +, chaetiger 10–12 for + +P. triantennata + +and chaetiger 7 or 8 for the other five species) and from + +P. gathofi + +by the chaetiger where subacicular hooks start (chaetiger 33–37 for + +P. glemareci + +sp. nov. +versus chaetiger 17–30 for + +P. gathofi + +). + + + +Paucibranchia glemareci + +sp. nov. +may have been mistaken in the past for + +P. bellii + +(as + +Marphysa bellii + +), the only name for specimens with pectinate branchiae restricted to the anterior part of the body in the early literature (e. g. +Fauvel 1923 +). Thus, old records of + +P. bellii + +from offshore area in the Bay of Biscay should be regarded as doubtful. + + + + \ No newline at end of file