<documentid="AD985DD3A003B98E222426B3F120402D"ID-CLB-Dataset="39620"ID-DOI="10.11646/zootaxa.4028.2.1"ID-GBIF-Dataset="2baa825b-3af6-49ff-896e-f5cb990b4d62"ID-ISSN="1175-5326"ID-Zenodo-Dep="240556"ID-ZooBank="D47167E0-5C14-47F9-B4AA-9E906D13DF89"IM.materialsCitations_approvedBy="felipe"IM.metadata_approvedBy="felipe"IM.tables_requiresApprovalFor="existingObjects,plazi"IM.taxonomicNames_approvedBy="felipe"checkinTime="1461285037212"checkinUser="plazi"docAuthor="De Smet, Willem H."docDate="2015"docId="03995F134054FFCCE2D202933603FEBA"docLanguage="en"docName="zt04028p196.pdf"docOrigin="Zootaxa 4028 (2)"docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article"docStyleId="647186512141C8FC8976D5BCC54AEB7D"docStyleName="Zootaxa.2013-.journal_article"docStyleVersion="9"docTitle="Encentrum pugiodigitatum Smet, 2015, sp. nov."docType="treatment"docVersion="11"lastPageNumber="168"masterDocId="FFA0276B405BFFDDE245020B372AFFA6"masterDocTitle="Rotifera from the Mediterranean Sea, with description of ten new species"masterLastPageNumber="196"masterPageNumber="151"pageNumber="166"updateTime="1732491063112"updateUser="ExternalLinkService">
<figureCitationid="130BF2804054FFD2E2DA02B137DFFF75"box="[159,245,186,211]"captionStart="FIGURE 10"captionStartId="15.[151,250,1789,1811]"captionTargetBox="[214,1369,1061,1759]"captionTargetId="figure@15.[207,1380,1055,1767]"captionTargetPageId="15"captionText="FIGURE 10. Encentrum pugiodigitatum sp. nov. A. Female, dorsal; B. female, lateral; C. toe, lateral; D. toe, dorsal; E. trophi, dorsal. Scale bars: A, B: 50 µm; C − E: 10 µm."httpUri="https://zenodo.org/record/240566/files/figure.png"pageId="15"pageNumber="166">Figs 10</figureCitation>
,
<figureCitationid="130BF2804054FFD2E34402B03636FF75"box="[257,284,187,211]"captionStart="FIGURE 11"captionStartId="16.[151,250,1968,1990]"captionTargetBox="[151,1436,769,1946]"captionTargetId="figure@16.[151,1436,769,1947]"captionTargetPageId="16"captionText="FIGURE 11. Encentrum pugiodigitatum sp. nov., SEM photographs of trophi. A. Complete set, dorsal; B. detail, dorsal; C. detail, ventral; D. complete set, ventro-lateral. cp: crenate platelet; ns: needle-shaped sclerite bodies. Scale bars: 10 µm."httpUri="https://zenodo.org/record/240567/files/figure.png"pageId="15"pageNumber="166">11</figureCitation>
Female about 165−175 µm long. Integument fairly stiff with faint longitudinal folds; toes daggershaped; rami outline elliptical, median rami opening lenticular; long slender unci with very short tooth; unci with bundle of needle-shaped elements; head of manubria with proximal opening, and associated crenate platelet.
A female in a permanent, glycerine glass slide mount deposited in the Royal Belgian Institute of Natural Sciences (
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Several specimens from sublittoral of the Costa Blanca, Balearic Sea, the Côte d’Azur, and Elba Island, Tyrrhenian Sea (see
<tableCitationid="C6B2DBBE4054FFD2E07D00613557FD25"box="[568,637,618,643]"captionStart="TABLE 2"captionStartId="4.[151,239,716,739]"captionText="TABLE 2. Rotifer taxa collected at the different sampling stations. Numbers refer to the sampling stations (Tab. 1). Taxa marked with an asterisk are new to the fauna of the Mediterranean Sea."pageId="15"pageNumber="166">Tab. 2</tableCitation>
<emphasisid="B94432174054FFD2E28200DD36FEFD49"bold="true"box="[199,468,726,751]"pageId="15"pageNumber="166">Description of female.</emphasis>
Body stout fusiform (
<figureCitationid="130BF2804054FFD2E09F00DD341BFD49"box="[730,817,726,751]"captionStart="FIGURE 10"captionStartId="15.[151,250,1789,1811]"captionTargetBox="[214,1369,1061,1759]"captionTargetId="figure@15.[207,1380,1055,1767]"captionTargetPageId="15"captionText="FIGURE 10. Encentrum pugiodigitatum sp. nov. A. Female, dorsal; B. female, lateral; C. toe, lateral; D. toe, dorsal; E. trophi, dorsal. Scale bars: A, B: 50 µm; C − E: 10 µm."httpUri="https://zenodo.org/record/240566/files/figure.png"pageId="15"pageNumber="166">Fig. 10</figureCitation>
). Integument fairly stiff with faint longitudinal folds. Head offset by neckfold, with weak transversal fold in distal half. Rostrum broad, shallow, straight to broadly rounded. Corona frontal. Dorsal antenna near posterior 1/3 of head. Trunk with some very weak incomplete transversal folds. Tail large, rounded, partly covering foot. Foot large, conical, 2(3) pseudosegments. Toes (
<figureCitationid="130BF2804054FFD2E72F0149379EFCD9"captionStart="FIGURE 10"captionStartId="15.[151,250,1789,1811]"captionTargetBox="[214,1369,1061,1759]"captionTargetId="figure@15.[207,1380,1055,1767]"captionTargetPageId="15"captionText="FIGURE 10. Encentrum pugiodigitatum sp. nov. A. Female, dorsal; B. female, lateral; C. toe, lateral; D. toe, dorsal; E. trophi, dorsal. Scale bars: A, B: 50 µm; C − E: 10 µm."httpUri="https://zenodo.org/record/240566/files/figure.png"pageId="15"pageNumber="166">Figs 10</figureCitation>
1/7 total length, dagger-shaped, almost straight in dorsal and lateral view, margins weakly undulate, terminating in more or less distinctly offset claw. Eyespots not observed, possibly absent. Brain large, saccate; retrocerebral sac present. Gastric glands more or less spherical, stalks short to medium length. Proventriculus small. Pedal glands club-shaped, foot-length. Vitellarium with 8 nuclei.
<figureCitationid="130BF2804054FFD2E3640552365CF8D4"box="[289,374,1881,1906]"captionStart="FIGURE 10"captionStartId="15.[151,250,1789,1811]"captionTargetBox="[214,1369,1061,1759]"captionTargetId="figure@15.[207,1380,1055,1767]"captionTargetPageId="15"captionText="FIGURE 10. Encentrum pugiodigitatum sp. nov. A. Female, dorsal; B. female, lateral; C. toe, lateral; D. toe, dorsal; E. trophi, dorsal. Scale bars: A, B: 50 µm; C − E: 10 µm."httpUri="https://zenodo.org/record/240566/files/figure.png"pageId="15"pageNumber="166">Figs 10</figureCitation>
E, 11) with elliptical rami outline, greatest width in distal half; outer rami margins very weakly indented near proximal 1/3; median rami opening almost lenticular; rami elongate, narrow, widest in proximal half, terminating in very short, weakly offset oblique apical tooth; basifenestrae fairly small, elongate, subbasifenestrae fairly large, rounded. Preuncinal teeth very short, apical, in line with apical rami teeth. Fulcrum short,
. 2/3 ramus length, slender, head very short, weakly offset, bifid, shaft with long dorsal rib. Associated with the unci and running parallel to them are a bundle of about 10 weakly sclerified needle-shaped elements (only shown in
<figureCitationid="130BF280404BFFCDE73502D43799FEBA"captionStart="FIGURE 11"captionStartId="16.[151,250,1968,1990]"captionTargetBox="[151,1436,769,1946]"captionTargetId="figure@16.[151,1436,769,1947]"captionTargetPageId="16"captionText="FIGURE 11. Encentrum pugiodigitatum sp. nov., SEM photographs of trophi. A. Complete set, dorsal; B. detail, dorsal; C. detail, ventral; D. complete set, ventro-lateral. cp: crenate platelet; ns: needle-shaped sclerite bodies. Scale bars: 10 µm."httpUri="https://zenodo.org/record/240567/files/figure.png"pageId="16"pageNumber="167">Fig. 11</figureCitation>
B: ns) provided with a seam; they insert somewhere near the intramallei. Intramallei small, elongate triangular, with caudal opening. Supramanubria small, elongate triangular, with caudal opening. Manubria rod-shaped, evenly curved in dorsal view, distal half with weak dorsal torsion in oblique view, slightly crutched distally with small opening and ventral more or less hook-shaped blunt process (only visible by SEM); head simple, distinct dorsal and ventral expansions lacking, with large proximal opening; a small elongate platelet with irregularly crenate margins dorsally from proximal end of manubria (
<figureCitationid="130BF280404BFFCDE08C03BC3430FE76"box="[713,794,439,464]"captionStart="FIGURE 11"captionStartId="16.[151,250,1968,1990]"captionTargetBox="[151,1436,769,1946]"captionTargetId="figure@16.[151,1436,769,1947]"captionTargetPageId="16"captionText="FIGURE 11. Encentrum pugiodigitatum sp. nov., SEM photographs of trophi. A. Complete set, dorsal; B. detail, dorsal; C. detail, ventral; D. complete set, ventro-lateral. cp: crenate platelet; ns: needle-shaped sclerite bodies. Scale bars: 10 µm."httpUri="https://zenodo.org/record/240567/files/figure.png"pageId="16"pageNumber="167">Fig. 11</figureCitation>
can not be confused with any of its congeners, and is neither related to any of the subgenera erected previously on base of the morphology of the trophi (
<bibRefCitationid="EFA193F4404BFFCDE6A4006732BAFD22"author="De"box="[1249,1424,620,644]"pageId="16"pageNumber="167"refString="De Smet, W. H. (1997) The Dicranophoridae (Monogononta). Rotifera. Vol. 5. In: Nogrady T. (Ed.), Guides to the Identification of the Microinvertebrates of the Continental Waters of the World. Vol. 12. SPB Academic Publishing bv., The Hague, pp. 1 - 325."type="book chapter"year="1997">De Smet 1997</bibRefCitation>
). Proximally open manubria, the crenate platelet associated with the head of the manubria, and the bundles of weakly sclerified elements paralleling the unci have not been reported before.
, SEM photographs of trophi. A. Complete set, dorsal; B. detail, dorsal; C. detail, ventral; D. complete set, ventro-lateral. cp: crenate platelet; ns: needle-shaped sclerite bodies. Scale bars: 10 µm.
