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<mods:title id="C869C72EF09D5BE544659AD6D9780A3E">New species of deep­sea demosponges (Porifera) from the Aleutian Islands (Alaska, USA)</mods:title>
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<mods:namePart id="DF8CE3F7F83F29C607C780D1E11F8A3A">Lehnert, Helmut</mods:namePart>
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<mods:namePart id="67CBD3B8904E6D9728393042F6E05402">Stone, Robert</mods:namePart>
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<mods:namePart id="BFAD5B98F6BB0A06F5106110919FF664">Heimler, Wolfgang</mods:namePart>
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<mods:date id="AF8BE2F4C54D2699F6DF69063D512D2F">2006</mods:date>
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<treatment id="03AD8C18FF968E18FEC8F88DD9AF2AB8" ID-DOI="http://doi.org/10.5281/zenodo.6253516" ID-GBIF-Taxon="119346370" ID-Zenodo-Dep="6253516" LSID="urn:lsid:plazi:treatment:03AD8C18FF968E18FEC8F88DD9AF2AB8" httpUri="http://treatment.plazi.org/id/03AD8C18FF968E18FEC8F88DD9AF2AB8" lastPageId="27" lastPageNumber="28" pageId="26" pageNumber="27">
<subSubSection id="C31E6E85FF968E18FEC8F88DDAA42D93" lastPageId="27" lastPageNumber="28" pageId="26" pageNumber="27" type="nomenclature">
<paragraph id="8BBB3D0EFF968E19FEC8F88DD9792B78" blockId="26.[264,591,1828,1889]" box="[264,591,1828,1854]" pageId="26" pageNumber="27">
<heading id="D0F38A62FF968E19FEC8F88DD9792B78" bold="true" box="[264,591,1828,1854]" fontSize="11" level="1" pageId="26" pageNumber="27" reason="1">
<emphasis id="B970E11CFF968E19FEC8F88DD9792B78" bold="true" box="[264,591,1828,1854]" pageId="26" pageNumber="27">
<taxonomicName id="4C04468DFF968E19FEC8F88DDADF2B78" ID-CoL="3SLZ9" box="[264,489,1828,1854]" class="Demospongiae" family="Latrunculiidae" genus="Latrunculia" kingdom="Animalia" order="Poecilosclerida" pageId="26" pageNumber="27" phylum="Porifera" rank="species" species="velera" status="sp. nov.">
<emphasis id="B970E11CFF968E19FEC8F88DDADF2B78" bold="true" box="[264,489,1828,1854]" italics="true" pageId="26" pageNumber="27">Latrunculia velera</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A2435C67FF968E19FE31F88DD9792B78" box="[497,591,1828,1854]" pageId="26" pageNumber="27" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="8BBB3D0EFF968E18FEC8F8EEDAA42D93" blockId="26.[264,591,1828,1889]" lastBlockId="27.[264,1325,444,1230]" lastPageId="27" lastPageNumber="28" pageId="26" pageNumber="27">
(Fig. 15 af,
<figureCitation id="133F218BFF968E19FE60F8EEDAC52B27" box="[416,499,1863,1889]" captionStart="FIGURE 16" captionStartId="29.[264,368,1333,1357]" captionTargetBox="[302,1284,326,1308]" captionTargetId="figure@29.[302,1285,326,1309]" captionTargetPageId="29" captionText="FIGURE 16. Latrunculia velera sp. nov. a, Side view of apex of anisodiscorhabd. b, Early developmental stage of anisodiscorhabd on pointed end of style. Acanthose pointed ends, as shown here are rare. c, Developmental stage of anisodiscorhabd between two fully developped. d, More smooth variation of anisodiscorhabd." httpUri="https://zenodo.org/record/173025/files/figure.png" pageId="26" pageNumber="27">Fig. 16</figureCitation>
ad)
<emphasis id="B970E11CFF978E18FEC8FE15DAA42D93" box="[264,402,444,469]" italics="true" pageId="27" pageNumber="28">Description</emphasis>
</paragraph>
</subSubSection>
<paragraph id="8BBB3D0EFF978E18FEC8FEB5DACD2DC0" pageId="27" pageNumber="28">
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<tr id="35343F4CFF9771FCFEC8FEB5DE1D2D73" box="[264,1323,284,309]" gridrow="0" pageId="27" pageNumber="28" rowspan-1="1" rowspan-10="1" rowspan-11="1" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1" rowspan-9="1">
<th id="76E55630FF9771FCFEC8FEB5D93D2D73" box="[264,523,284,309]" gridcol="0" gridrow="0" pageId="27" pageNumber="28">
<emphasis id="B970E11CFF978E18FEC8FEB5DA592D73" box="[264,367,284,309]" italics="true" pageId="27" pageNumber="28">Material</emphasis>
</th>
</tr>
<tr id="35343F4CFF9771FCFEC8FEEDDE1D2D18" box="[264,1323,324,350]" gridrow="1" pageId="27" pageNumber="28">
<th id="76E55630FF9771FCFEC8FEEDD93D2D18" box="[264,523,324,350]" gridcol="0" gridrow="1" pageId="27" pageNumber="28">Holotype: USNM</th>
<td id="76E55630FF9771FCFDD4FEEDD94D2D18" box="[532,635,324,350]" gridcol="1" gridrow="1" pageId="27" pageNumber="28">1084239</td>
<td id="76E55630FF9771FCFD44FEEDD9802D18" box="[644,694,324,350]" gridcol="2" gridrow="1" pageId="27" pageNumber="28">(51°</td>
<td id="76E55630FF9771FCFD00FEEDD8212D18" box="[704,791,324,350]" gridcol="3" gridrow="1" pageId="27" pageNumber="28">43.825'</td>
<td id="76E55630FF9771FCFCDFFEEDD80A2D18" box="[799,828,324,350]" gridcol="4" gridrow="1" pageId="27" pageNumber="28">N,</td>
<td id="76E55630FF9771FCFC85FEEDD84B2D18" box="[837,893,324,350]" gridcol="5" gridrow="1" pageId="27" pageNumber="28">179°</td>
<td id="76E55630FF9771FCFC46FEEDD8EB2D18" box="[902,989,324,350]" gridcol="6" gridrow="1" pageId="27" pageNumber="28">35.034'</td>
<td id="76E55630FF9771FCFC25FEEDDF332D18" box="[997,1029,324,350]" gridcol="7" gridrow="1" pageId="27" pageNumber="28">W,</td>
<td id="76E55630FF9771FCFBCFFEEDDFB52D18" box="[1039,1155,324,350]" gridcol="8" gridrow="1" pageId="27" pageNumber="28">Amchitka</td>
<td id="76E55630FF9771FCFB4BFEEDDFF02D18" box="[1163,1222,324,350]" gridcol="9" gridrow="1" pageId="27" pageNumber="28">Pass,</td>
<td id="76E55630FF9771FCFB10FEEDDE3D2D18" box="[1232,1291,324,350]" gridcol="10" gridrow="1" pageId="27" pageNumber="28">1009</td>
<td id="76E55630FF9771FCFAD4FEEDDE1D2D18" box="[1300,1323,324,350]" gridcol="11" gridrow="1" pageId="27" pageNumber="28">m</td>
</tr>
<tr id="35343F4CFF9771FCFEC8FEC5DE1D2DC0" box="[264,1323,364,390]" gridrow="2" pageId="27" pageNumber="28" rowspan-1="1" rowspan-10="1" rowspan-11="1" rowspan-2="1" rowspan-3="1" rowspan-4="1" rowspan-5="1" rowspan-6="1" rowspan-7="1" rowspan-8="1" rowspan-9="1">
<th id="76E55630FF9771FCFEC8FEC5D93D2DC0" box="[264,523,364,390]" gridcol="0" gridrow="2" pageId="27" pageNumber="28">depth, 0 5. 0 8. 2004).</th>
</tr>
</table>
</paragraph>
<subSubSection id="C31E6E85FF978E18FEF8FE4DD9F62888" pageId="27" pageNumber="28" type="description">
<paragraph id="8BBB3D0EFF978E18FEF8FE4DDFFA2E80" blockId="27.[264,1325,444,1230]" pageId="27" pageNumber="28">
Dark brown, subglobose sponge (Fig. 15 a) with a smooth, uneven surface. The surface is leathery, only slightly elastic, easily broken. There are small circular, slightly elevated oscules scattered over the surface. Areolate pore­fields are not present. The interior is markedly fibrous, somewhat similar to
<taxonomicName id="4C04468DFF978E18FC91FDF5DE112E30" authority="Samaai &amp; Krasokhin, 2002" authorityName="Samaai &amp; Krasokhin" authorityYear="2002" box="[849,1319,604,630]" class="Demospongiae" family="Latrunculiidae" genus="Latrunculia" kingdom="Animalia" order="Poecilosclerida" pageId="27" pageNumber="28" phylum="Porifera" rank="species" species="oparinae">
<emphasis id="B970E11CFF978E18FC91FDF5D8ED2E33" box="[849,987,604,629]" italics="true" pageId="27" pageNumber="28">L. oparinae</emphasis>
<bibRefCitation id="EF9540FFFF978E18FC23FDF5DE112E30" author="Samaai" box="[995,1319,604,630]" pageId="27" pageNumber="34" refString="Samaai, T. &amp; Kelly, M. (2002) Family Latrunculiidae Topsent, 1922. In: Hooper, J. N. A. &amp; Van Soest, R. W. M. (eds.), Systema Porifera: a guide to the classification of sponges. Kluwer Academic / Plenum Publishers, New York, Boston, Dordrecht, London, Moscow, 708 - 719." type="book chapter" year="2002">Samaai &amp; Krasokhin, 2002</bibRefCitation>
</taxonomicName>
, but differing slightly in shape and clearly in the absence of areolate pore­fields and the form of the anisodiscorhabds. The
<typeStatus id="54BF83ACFF978E18FD60FD05D8302E80" box="[672,774,684,710]" pageId="27" pageNumber="28" type="holotype">holotype</typeStatus>
was attached near its base to a cobble.
</paragraph>
<paragraph id="8BBB3D0EFF978E18FEF8FD7DDF1C2F78" blockId="27.[264,1325,444,1230]" pageId="27" pageNumber="28">Skeleton: The ectosome is a unispicular layer of discorhabds, all arranged with their longitudinal axis perpendicular to the surface. The choanosome is a reticulation of polyspicular tracts of styles with some anisodiscorhabds in between.</paragraph>
<paragraph id="8BBB3D0EFF978E18FEF8FCE5D9F62888" blockId="27.[264,1325,444,1230]" pageId="27" pageNumber="28">
Spicules: Megascleres are styles (Fig. 15 b) with slightly acanthose heads (Fig. 15 c), 500540
<date id="FFBA1BCEFF978E18FEBBFCDDDAF92FC8" box="[379,463,884,910]" pageId="27" pageNumber="28" value="1911-10-09">x 911</date>
µm. Microscleres are relatively smooth anisodiscorhabds (Fig. 15 e), 3743 µm. The manubrium is cylindrical, acanthose and followed immediately by the median whorl which consists of cylindrical, spined processes, arranged vertical to the spicule axis (Fig. 15 e, upper right). The subsidiary whorl widens conically on one side and is flat on the other side (Fig. 15 e, center). It is only slightly notched with finely dented margins (Fig. 15 f, view from above). The apical whorl also widens conically towards the apex but forms a flat disc at the base of the apex (Figs. 15 e, f). Its margins are finely dented. The apex (Figs. 15 f, 16 a) narrows to a pointed tip with five prominent dented lines running from the base to the tip.
</paragraph>
</subSubSection>
<subSubSection id="C31E6E85FF978E18FEC8FAADD9982A48" pageId="27" pageNumber="28" type="discussion">
<paragraph id="8BBB3D0EFF978E18FEC8FAADDABF295B" blockId="27.[264,1324,1284,1550]" box="[264,393,1284,1309]" pageId="27" pageNumber="28">
<emphasis id="B970E11CFF978E18FEC8FAADDABF295B" box="[264,393,1284,1309]" italics="true" pageId="27" pageNumber="28">Discussion</emphasis>
</paragraph>
<paragraph id="8BBB3D0EFF978E18FEF8FA85D9982A48" blockId="27.[264,1324,1284,1550]" pageId="27" pageNumber="28">
There is only one known species of
<taxonomicName id="4C04468DFF978E18FD19FA85D8552903" box="[729,867,1324,1349]" class="Demospongiae" family="Latrunculiidae" genus="Latrunculia" kingdom="Animalia" order="Poecilosclerida" pageId="27" pageNumber="28" phylum="Porifera" rank="genus">
<emphasis id="B970E11CFF978E18FD19FA85D8552903" box="[729,867,1324,1349]" italics="true" pageId="27" pageNumber="28">Latrunculia</emphasis>
</taxonomicName>
which shares the styles with acanthose bases:
<taxonomicName id="4C04468DFF978E18FE97FAFDD964292B" box="[343,594,1364,1389]" class="Demospongiae" family="Latrunculiidae" genus="Latrunculia" kingdom="Animalia" order="Poecilosclerida" pageId="27" pageNumber="28" phylum="Porifera" rank="species" species="oparinae">
<emphasis id="B970E11CFF978E18FE97FAFDD964292B" box="[343,594,1364,1389]" italics="true" pageId="27" pageNumber="28">Latrunculia oparinae</emphasis>
</taxonomicName>
.
<bibRefCitation id="EF9540FFFF978E18FDA0FAFDD89C2928" author="Samaai" box="[608,938,1364,1390]" pageId="27" pageNumber="34" refString="Samaai, T. &amp; Kelly, M. (2002) Family Latrunculiidae Topsent, 1922. In: Hooper, J. N. A. &amp; Van Soest, R. W. M. (eds.), Systema Porifera: a guide to the classification of sponges. Kluwer Academic / Plenum Publishers, New York, Boston, Dordrecht, London, Moscow, 708 - 719." type="book chapter" year="2002">Samaai &amp; Krasokhin (2002)</bibRefCitation>
who described
<taxonomicName id="4C04468DFF978E18FBA2FAFDDFDD292B" box="[1122,1259,1364,1389]" class="Demospongiae" family="Latrunculiidae" genus="Latrunculia" kingdom="Animalia" order="Poecilosclerida" pageId="27" pageNumber="28" phylum="Porifera" rank="species" species="oparinae">
<emphasis id="B970E11CFF978E18FBA2FAFDDFDD292B" box="[1122,1259,1364,1389]" italics="true" pageId="27" pageNumber="28">L. oparinae</emphasis>
</taxonomicName>
from the Kuril Islands at depths between
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127
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</quantity>
.
<emphasis id="B970E11CFF978E18FC90FAD5D8C229D3" box="[848,1012,1404,1429]" italics="true" pageId="27" pageNumber="28">
<taxonomicName id="4C04468DFF978E18FC90FAD5D88C29D3" box="[848,954,1404,1429]" class="Demospongiae" family="Latrunculiidae" genus="Latrunculia" kingdom="Animalia" order="Poecilosclerida" pageId="27" pageNumber="28" phylum="Porifera" rank="species" species="velera">L. velera</taxonomicName>
n.sp
</emphasis>
was found only at depths below
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and seems to occupy different habitats. Both species have styles and anisodiscorhabds of comparable sizes but, the anisodoscorhabds of
<taxonomicName id="4C04468DFF978E18FB82FA65DF9829A3" box="[1090,1198,1484,1509]" class="Demospongiae" family="Latrunculiidae" genus="Latrunculia" kingdom="Animalia" order="Poecilosclerida" pageId="27" pageNumber="28" phylum="Porifera" rank="species" species="velera">
<emphasis id="B970E11CFF978E18FB82FA65DF9829A3" box="[1090,1198,1484,1509]" italics="true" pageId="27" pageNumber="28">L. velera</emphasis>
</taxonomicName>
are much smoother and of different geometry.
</paragraph>
</subSubSection>
<subSubSection id="C31E6E85FF978E18FEC8F9EDD9E12AC0" box="[264,727,1604,1670]" pageId="27" pageNumber="28" type="distribution">
<paragraph id="8BBB3D0EFF978E18FEC8F9EDDAA12A1B" blockId="27.[264,727,1604,1670]" box="[264,407,1604,1629]" pageId="27" pageNumber="28">
<emphasis id="B970E11CFF978E18FEC8F9EDDAA12A1B" box="[264,407,1604,1629]" italics="true" pageId="27" pageNumber="28">Distribution</emphasis>
</paragraph>
<paragraph id="8BBB3D0EFF978E18FEF8F9C5D9E12AC0" blockId="27.[264,727,1604,1670]" box="[312,727,1644,1670]" pageId="27" pageNumber="28">Known only from the type­locality.</paragraph>
</subSubSection>
<subSubSection id="C31E6E85FF978E18FEC8F915D9AF2AB8" box="[264,665,1724,1790]" pageId="27" pageNumber="28" type="etymology">
<paragraph id="8BBB3D0EFF978E18FEC8F915DAB32A93" blockId="27.[264,665,1724,1790]" box="[264,389,1724,1749]" pageId="27" pageNumber="28">
<emphasis id="B970E11CFF978E18FEC8F915DAB32A93" box="[264,389,1724,1749]" italics="true" pageId="27" pageNumber="28">Etymology</emphasis>
</paragraph>
<paragraph id="8BBB3D0EFF978E18FEF8F94DD9AF2AB8" blockId="27.[264,665,1724,1790]" box="[312,665,1764,1790]" pageId="27" pageNumber="28">
Named after the RV
<emphasis id="B970E11CFF978E18FDE9F94DD9A52ABB" box="[553,659,1764,1789]" italics="true" pageId="27" pageNumber="28">Velero IV</emphasis>
.
</paragraph>
</subSubSection>
</treatment>
</document>