SUPERORNATIREMIDS FROM MEDITERRANEAN CAVES 131 - PDF document

1 SUPERORNATIREMIDS FROM MEDITERRANEAN CAV
SUPERORNATIREMIDS FROM MEDITERRANEAN CAVES 131 SCI. MAR., 61 (2): 131-152SCIENTIAM SUMMARY: Three new representatives of the harpacticoid family Superornatiremidae are described from the floodedanother one in a sea-flooded lava tube in Lanzarote (Canary Islands), is expanded to include also the Mediterranean regionRIMEROSREGIST

2 ROSDELAFAMILIAENELYDESCRIPCIONDETRESESPE
ROSDELAFAMILIAENELYDESCRIPCIONDETRESESPECIESDECUEVASCUEVASANQUIHALNASDELASNeoechinophora, Superornatiremis, Intercrusia, pods characterised by their most unusual first leg,outer margins of the first and second exopodal seg-ments, respectively, and 1 or 2 setae on the outer mar-outer margin. No other copepods possess more than 2s

3 pines on the outer margin of exopodal se
pines on the outer margin of exopodal segment 1, normore than 1 spine on the outer margin of segment 2.Moreover, none possesses any armature elements onthe outer margin of the second endopodal segment,nor more than 1 seta on the outer margin of the third1991), superornatiremids can be regarded as a verypods. However, all of these

4 additional armature ele-as ancestral st
additional armature ele-as ancestral structures, since the three genera com-the advanced family Tisbidae Stebbing, 1910 (seeSuperornatiremids are noteworthy also by theSuperornatiremis Intercrusia Superornatiremis, NeoechinophoraIntercrusia, generally regarded as Tethyan in origin (Stock, 1993).MATERIAL AND METHODSmeat-baited tr

5 aps placed at different depths in theHuy
aps placed at different depths in theHuys and Boxshall (1991). Material is depositedTAXONOMIC PARTOrder HARPACTICOIDA Sars, 1903Family SUPERORNATIREMIDAE Huys, 1996sp. nov.vated in Triassic fissured limestone, 5 m from shoreline. It hascrabs, Cumacea). Holo-long, slender, cyclopiform, colourless. Nauplius eyeanterior margin of ce

6 phalothorax straight, formingright angle
phalothorax straight, formingright angle with lateral margin. Second to fourth 132D. JAUME SUPERORNATIREMIDS FROM MEDITERRANEAN CAVES 133 ous somite with smooth hyaline frill along dorsalhind margin. Genital somite quadratic, slightly larg-along dorsal and lateral hind margins; sixth legsshort spine on inner margin and seta on o

7 uter mar-hind margin of each abdominal s
uter mar-hind margin of each abdominal somite. Anal somite(Figs. 1C, E) with weakly developed operculumed ventrolaterally near hind margin of somite; ven-tral, lateral and laterodorsal hind margin adornedsymmetrical, 1.38 times as long as wide, armatureconsisting of 7 setae. Seta I implanted ventrally,reduced; seta II implanted l

8 aterally, about midwayalong outer margin
aterally, about midwayalong outer margin of ramus. Rows of tiny spinulesured. Ventral hind margin of caudal rami with row A A,B E F C D 0.05 mm E slender, 11-segmented, haplocer; geniculation(XIII), 2 setae; segment 6 (XIV-XVII), 7 + ae; seg-elements; segment 10 (XXIV-XXV), 4 setae; seg-ment 11 (XXVI-XXVIII), 6 setae

9 plus acrothek,transverse chitinous rib
plus acrothek,transverse chitinous rib along abexopodal margin; 2spinule rows adorning segment as figured; singleadorned with spinules as figured. Exopod 3-seg- 134D. JAUME F. 2. – Neoechinophora xoni sp. nov., antennule, ventral. A, adult male; B, detail of segments 5 to 7, anterior; C, adult female. A 0.05 mm Labrum and labium

10 (not figured) fused formingventrally an
(not figured) fused formingventrally and single long seta dorsally. Palp bira-setae and row of spinules at inner distal corner; innerbase; 2 rows of tiny setules on segment, as figured. F. 3. – Neoechinophora xoni sp. nov., adult male. A, antenna; B, mandible, coxal gnathobase; C, mandibular palp; D, maxilliped. A 0.05 mm slende

11 r, produced into spinous process at dist
r, produced into spinous process at distalnal setae and 2 shorter setae subdistally. Basisder, covered with patch of fine setules; 4 setaedistally. Endopod 1-segmented, reduced, with 3 136D. JAUME F. 4. – Neoechinophora xoni sp. nov., adult male. A, B, maxillule with disarticulated palp (A); C, maxilla; D, leg 1 praecoxa, coxa, b

12 asisand intercoxal sclerite, anterior. D
asisand intercoxal sclerite, anterior. D 0.025 mm slender setae. Allobasis drawn out into long claw,medial margin and several rows of spinules as fig-base, and 1 seta along medial margin; apical F. 5. – Neoechinophora xoni sp. nov., adult male. A, leg 1, posterior; B, leg 2, anterior. A 0.05 mm LegCoxaBasisExopodEndopod10-01-1II

13 I-0;II-1;60-1;I-1;2,2,320-01-0I-1;I-1;II
I-0;II-1;60-1;I-1;2,2,320-01-0I-1;I-1;III,I+1,20-1;(0-2;I,2,I+1)30-01-0I-1;I-1;III,I+1,30-1;0-1;I,2,I+240-01-0I-1;I-1;III,I+1,30-1;0-1;I,I+1,1 D. JAUME F. 6. – Neoechinophora xoni sp. nov., adult male. A, leg 3, anterior; B, leg 4, anterior. A 0.05 mm ventrolaterally, 3-segmented, not incorporated intoment both bearing 1 distal s

14 eta on outer margin. Dis-spine flanked b
eta on outer margin. Dis-spine flanked by 2 setae. Several rows of spinules onanterior half. Gonopores separate, displaced later-ally, each covered by vestigial leg 6 bearing 2Antennule (Fig. 2C) elongate, slender, 9-segmented.mented, displaced ventrolaterally. Baseoendopodslender, 5 times as long as maximum width; arma-ture cons

15 isting of 1 inner, 2 outer, and 1 apical
isting of 1 inner, 2 outer, and 1 apical setae; F. 7. – Neoechinophora xoni sp. nov., adult female. A, body, dorsal; B, same, lateral; C, genital double-somite, ventral; D, anal somite,dorsal; E, anal somite and caudal rami, ventral; F, fifth leg, anterior. A 0.05 mm C D,F C 0.05 mm Etymology. The new species is dedicated to Jo

16 anelongate, non-ovoid shape of the femal
anelongate, non-ovoid shape of the female’s fifth legIntercrusia problematicadeduced from Table 1.Superornatiremis sp. nov. (Figs. 8-13)vated in Triassic fissured limestone, 10 m from shoreline, withthe water was made, but it was fresher and warmer than thelong, slender, cyclopiform, colourless. Nauplius eyepleura of second pedig

17 erous somite; anterior margineral margin
erous somite; anterior margineral margin. Second to fourth pedigerous somites with 140D. JAUME T1. – Major differences between Neoechinophora species. Abbreviations: md., mandible; prox., proximal;max., maxilla; mxp., maxilliped; abd-(1-3), abdominal somites 1 to 3; basoend., basoendopod. N. xoniN. fosshageniN. daltonaeN. jaumeiN

18 . karaytugi no. setae male antennule1081
. karaytugi no. setae male antennule108109?no. setae female878?7no. segments on34342antennary exopod(indistinctly)md. exopod formula(1,1,1,1)(1,1,1,2)(1,1,1,1)(1,1,1,1)(1,1,1,1)no. setae md. endopod3334?no. barb-like spinules on36163no. setae max. endopod33313no. setae mxp. basis10100ventrolateral bulges onYesNoYes?Nono. ventral

19 spinule rows2121?no. ventral spinule row
spinule rows2121?no. ventral spinule rows1110?no. ventral spinule rows1010?length: width caudal1.383.851.52.21.4no. setae inner lobe of221?2no. setae exopod female454?4length: width exopod52.33?3.3both male leg 6 fused toYesNoNoNo?no. setae inner margin33323 148D. JAUME F. 14. – Intercrusia garciai somite, ventral; D, antennule,

20 ventral; E, fifth leg, anterior. D 0.05
ventral; E, fifth leg, anterior. D 0.05 mm A B C,D E B reduced seta subdistally along medial margin and 6along medial margin; apical pedestal on segment, 149 F. 15. – coxal arthrite disarticulated; E, maxilla; F, maxilliped. A 0.05 mm LegCoxaBasisExopodEndopod10-01-1III-0;II-1;60-1;1-1;2,2,320-01-0I-1;?;?0-1;(0-2; I,2,I

21 +1)30-01-0I-1;I-1;III,I+1,30-1;0-1;I,2,I
+1)30-01-0I-1;I-1;III,I+1,30-1;0-1;I,2,I+240-01-0I-1;I-1;III,I+1,30-1;0-1;I,I+1,1ured. Armature consisting of 5 setae, distributed asfigured; one of setae short and coarse. Etymology. Species dedicated to Lluc García, 150D. JAUME F. 16. – C 0.05 mm Intercrusia the exopod of the same leg. However, I. garciai nov. differs from I.

22 problematicafor the former. Thus, the th
problematicafor the former. Thus, the third segment of exopod ofI. problematica I. garciai.Besides, several spines on theouter margin of exopod of leg 1 do not bear subter-I. garciai,I. problematica.The genital field of both taxa differs also in theI. problematica.Intercrusia SUPERORNATIREMIDS FROM MEDITERRANEAN CAVES 151 F. 17.