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<mods:title id="43350FA5BD4AD14FA5E64619781FCBCB">Two known and one new species of Draconematidae and Epsilonematidae (Nematoda, Desmodorida) from the White Sea, North Russia</mods:title>
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<subSubSection id="C3429CD1FF9FFFDEFF30FA7AFDB75F4F" box="[151,548,867,894]" pageId="16" pageNumber="399" type="nomenclature">
<paragraph id="8BE7CF5AFF9FFFDEFF30FA7AFDB75F4F" blockId="16.[151,548,867,894]" box="[151,548,867,894]" pageId="16" pageNumber="399">
<heading id="D0AF7836FF9FFFDEFF30FA7AFDB75F4F" bold="true" box="[151,548,867,894]" fontSize="11" level="1" pageId="16" pageNumber="399" reason="1">
<emphasis id="B92C1348FF9FFFDEFF30FA7AFDB75F4F" bold="true" box="[151,548,867,894]" pageId="16" pageNumber="399">
Genus
<taxonomicName id="4C58B4D9FF9FFFDEFF49FA7DFDB75F4F" authority="Steiner, 1927" authorityName="Steiner" authorityYear="1927" box="[238,548,867,894]" class="Adenophorea" family="Epsilonematidae" genus="Epsilonema" kingdom="Animalia" order="Desmodorida" pageId="16" pageNumber="399" phylum="Nematoda" rank="genus">
<emphasis id="B92C1348FF9FFFDEFF49FA7DFEEE5F4C" bold="true" box="[238,381,867,893]" italics="true" pageId="16" pageNumber="399">Epsilonema</emphasis>
<bibRefCitation id="EFC9B2ABFF9FFFDEFE23FA7AFDB75F4F" author="Steiner" box="[388,548,868,894]" pageId="16" pageNumber="399" refString="Steiner, G. (1927) Epsilonematidae, a new nemic family. Journal of Parasitology, 14, 65 - 66." type="journal article" year="1927">Steiner, 1927</bibRefCitation>
</taxonomicName>
</emphasis>
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<subSubSection id="C3429CD1FF9FFFDEFF30FAB4FDA85846" pageId="16" pageNumber="399" type="diagnosis">
<paragraph id="8BE7CF5AFF9FFFDEFF30FAB4FDA85846" blockId="16.[151,1437,938,1539]" pageId="16" pageNumber="399">
<emphasis id="B92C1348FF9FFFDEFF30FAB4FE995FF2" bold="true" box="[151,266,938,963]" pageId="16" pageNumber="399">Diagnosis</emphasis>
(after
<bibRefCitation id="EFC9B2ABFF9FFFDEFEF1FAB4FD215FF2" author="Gourbault" box="[342,690,938,963]" pageId="16" pageNumber="399" refString="Gourbault, N. &amp; Decraemer, W. (1996) Marine nematodes of the family Epsilonematidae (Nemata): a synthesis with phylogenetic relationships. Nematologica, 42, 133 - 158. http: // dx. doi. org / 10.1163 / 004325996 X 00011" type="journal article" year="1996">Gourbault &amp; Decraemer, 1996</bibRefCitation>
):
<taxonomicName id="4C58B4D9FF9FFFDEFD61FAB4FC175FF2" box="[710,900,938,963]" class="Adenophorea" family="Epsilonematidae" kingdom="Animalia" order="Desmodorida" pageId="16" pageNumber="399" phylum="Nematoda" rank="subFamily" subFamily="Epsilonematinae">Epsilonematinae</taxonomicName>
. Body ɛ-shaped, with widest regions at level of pharynx and reproductive system. Ambulatory setae slender, almost straight or bent, arranged in four to five longitudinal rows in anterior half of posterior body region; pre- and postvulvar in females but postvulvar ambulatory setae fewer in number or missing at all. Supporting setae present. Rostrum with eight subcephalic setae in most species (six and 16 setae also possible). Amphideal fovea spiral, cryptospiral or almost circular with possible sexual dimorphism in shape.
</paragraph>
</subSubSection>
<subSubSection id="C3429CD1FF9FFFDEFF60FD9CFB0158AA" box="[199,1170,1154,1179]" pageId="16" pageNumber="399" type="materials_examined">
<paragraph id="8BE7CF5AFF9FFFDEFF60FD9CFB0158AA" blockId="16.[151,1437,938,1539]" box="[199,1170,1154,1179]" pageId="16" pageNumber="399">
<emphasis id="B92C1348FF9FFFDEFF60FD9CFEF758AA" bold="true" box="[199,356,1154,1179]" pageId="16" pageNumber="399">
<typeStatus id="54E371F8FF9FFFDEFF60FD9CFE9158AA" box="[199,258,1154,1179]" pageId="16" pageNumber="399">Type</typeStatus>
species:
</emphasis>
<taxonomicName id="4C58B4D9FF9FFFDEFECCFD9CFB1D58AA" authority="(Metschnikoff, 1867) Gerlach &amp; Riemann, 1973" authorityName="(Metschnikoff, 1867) Gerlach &amp; Riemann" authorityYear="1973" box="[363,1166,1154,1179]" class="Adenophorea" family="Epsilonematidae" genus="Epsilonema" kingdom="Animalia" order="Desmodorida" pageId="16" pageNumber="399" phylum="Nematoda" rank="species" species="cygnoides">
<emphasis id="B92C1348FF9FFFDEFECCFD9CFDF558AA" box="[363,614,1154,1179]" italics="true" pageId="16" pageNumber="399">Epsilonema cygnoides</emphasis>
(
<bibRefCitation id="EFC9B2ABFF9FFFDEFDD3FD9CFCC758AA" author="Metschnikoff" box="[628,852,1154,1179]" pageId="16" pageNumber="399" refString="Metschnikoff, E. (1867) Beitrage zur Kenntnis der Wurmer. I. Uber Chaetosoma und Rhabdogaster. Zeitschrift fur wissenschaftliche Zoologie, 17, 539 - 544." type="journal article" year="1867">Metschnikoff, 1867</bibRefCitation>
)
<bibRefCitation id="EFC9B2ABFF9FFFDEFCC4FD9CFB1D58AA" author="Gerlach" box="[867,1166,1154,1179]" pageId="16" pageNumber="399" refString="Gerlach, S. A. &amp; Riemann, F. (1973) The Bremerhaven checklist of aquatic nematodes. A catalogue of Nematoda Adenophorea excluding the Dorylaimida. Part 1. Veroffentlichungen des Instituts fur Meeresforschung in Bremerhaven, Supplement 4, 1 - 404." type="book chapter" year="1973">Gerlach &amp; Riemann, 1973</bibRefCitation>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="C3429CD1FF9FFFDEFF60FDB8FADA5A33" pageId="16" pageNumber="399" type="discussion">
<paragraph id="8BE7CF5AFF9FFFDEFF60FDB8FADA5A33" blockId="16.[151,1437,938,1539]" pageId="16" pageNumber="399">
<emphasis id="B92C1348FF9FFFDEFF60FDB8FEDF588E" bold="true" box="[199,332,1190,1215]" pageId="16" pageNumber="399">Discussion.</emphasis>
The first epsilonematid nematode was described by
<bibRefCitation id="EFC9B2ABFF9FFFDEFC7EFDB8FB5A588E" author="Metschnikoff" box="[985,1225,1190,1215]" pageId="16" pageNumber="399" refString="Metschnikoff, E. (1867) Beitrage zur Kenntnis der Wurmer. I. Uber Chaetosoma und Rhabdogaster. Zeitschrift fur wissenschaftliche Zoologie, 17, 539 - 544." type="journal article" year="1867">Metschnikoff (1867)</bibRefCitation>
as
<taxonomicName id="4C58B4D9FF9FFFDEFB58FDB8FE9458D2" class="Insecta" family="Asilidae" genus="Rhabdogaster" kingdom="Animalia" order="Diptera" pageId="16" pageNumber="399" phylum="Arthropoda" rank="species" species="cygnoides">
<emphasis id="B92C1348FF9FFFDEFB58FDB8FE9458D2" italics="true" pageId="16" pageNumber="399">Rhabdogaster cygnoides</emphasis>
</taxonomicName>
.
<bibRefCitation id="EFC9B2ABFF9FFFDEFEB1FDD4FE2458D2" author="Steiner" box="[278,439,1226,1251]" pageId="16" pageNumber="399" refString="Steiner, G. (1927) Epsilonematidae, a new nemic family. Journal of Parasitology, 14, 65 - 66." type="journal article" year="1927">Steiner (1927)</bibRefCitation>
replaced the name
<taxonomicName id="4C58B4D9FF9FFFDEFD33FDD4FCA258D2" box="[660,817,1226,1251]" class="Insecta" family="Asilidae" genus="Rhabdogaster" kingdom="Animalia" order="Diptera" pageId="16" pageNumber="399" phylum="Arthropoda" rank="genus">
<emphasis id="B92C1348FF9FFFDEFD33FDD4FCA258D2" box="[660,817,1226,1251]" italics="true" pageId="16" pageNumber="399">Rhabdogaster</emphasis>
</taxonomicName>
with
<taxonomicName id="4C58B4D9FF9FFFDEFCD4FDD4FC6458D2" box="[883,1015,1226,1251]" class="Adenophorea" family="Epsilonematidae" genus="Epsilonema" kingdom="Animalia" order="Desmodorida" pageId="16" pageNumber="399" phylum="Nematoda" rank="genus">
<emphasis id="B92C1348FF9FFFDEFCD4FDD4FC6458D2" box="[883,1015,1226,1251]" italics="true" pageId="16" pageNumber="399">Epsilonema</emphasis>
</taxonomicName>
because of homonymy of the former and established the new family
<taxonomicName id="4C58B4D9FF9FFFDEFDA1FDF0FD575936" box="[518,708,1262,1287]" class="Adenophorea" family="Epsilonematidae" kingdom="Animalia" order="Desmodorida" pageId="16" pageNumber="399" phylum="Nematoda" rank="family">Epsilonematidae</taxonomicName>
. Later,
<bibRefCitation id="EFC9B2ABFF9FFFDEFCBBFDF0FC2C5936" author="Steiner" box="[796,959,1262,1287]" pageId="16" pageNumber="399" refString="Steiner, G. (1931) Die Nematoden der deutschen Sudpolar-Expedition 1901 - 03. I und II. Deutsche Sudpolarexpedition 1901 - 0 3, 20, 167 - 216, 307 - 433." type="journal article" year="1931">Steiner (1931)</bibRefCitation>
published a large work on epsilonematid nematodes from
<collectingCountry id="F34F8FCAFF9FFFDEFEF3FC0CFE2F591A" box="[340,444,1298,1323]" name="Antarctica" pageId="16" pageNumber="399">Antarctic</collectingCountry>
and Subantarctic seas where he diagnosed 125 new species, eight new varieties and six new genera based on
<specimenCount id="9D5E04D3FF9FFFDEFE34FC29FDAC597E" box="[403,575,1334,1359]" pageId="16" pageNumber="399" type="generic">134 specimens</specimenCount>
. That study was criticized by
<bibRefCitation id="EFC9B2ABFF9FFFDEFC3AFC29FBCE597E" author="Lorenzen" box="[925,1117,1335,1359]" pageId="16" pageNumber="399" refString="Lorenzen, S. (1973) Die Familie Epsilonematidae (Nematodes). Mikrofauna Meeresboden, 25, 411 - 494." type="journal article" year="1973">Lorenzen (1973)</bibRefCitation>
, who recognised only three valid species among Steiners decriptions, namely
<taxonomicName id="4C58B4D9FF9FFFDEFD56FC44FB5A5942" authority="Steiner, 1931" authorityName="Steiner" authorityYear="1931" box="[753,1225,1370,1395]" class="Adenophorea" family="Epsilonematidae" genus="Archepsilonema" kingdom="Animalia" order="Desmodorida" pageId="16" pageNumber="399" phylum="Nematoda" rank="species" species="celidotum">
<emphasis id="B92C1348FF9FFFDEFD56FC44FBB25942" box="[753,1057,1370,1395]" italics="true" pageId="16" pageNumber="399">Archepsilonema celidotum</emphasis>
<bibRefCitation id="EFC9B2ABFF9FFFDEFB89FC44FB5A5942" author="Steiner" box="[1070,1225,1370,1395]" pageId="16" pageNumber="399" refString="Steiner, G. (1931) Die Nematoden der deutschen Sudpolar-Expedition 1901 - 03. I und II. Deutsche Sudpolarexpedition 1901 - 0 3, 20, 167 - 216, 307 - 433." type="journal article" year="1931">Steiner, 1931</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C58B4D9FF9FFFDEFB7CFC44FE2259A6" authority="Steiner, 1931" authorityName="Steiner" authorityYear="1931" class="Adenophorea" family="Epsilonematidae" genus="Bathyepsilonema" kingdom="Animalia" order="Desmodorida" pageId="16" pageNumber="399" phylum="Nematoda" rank="species" species="drygalskii">
<emphasis id="B92C1348FF9FFFDEFB7CFC44FE9459A6" italics="true" pageId="16" pageNumber="399">Bathyepsilonema drygalskii</emphasis>
<bibRefCitation id="EFC9B2ABFF9FFFDEFEB1FC60FE2259A6" author="Steiner" box="[278,433,1406,1431]" pageId="16" pageNumber="399" refString="Steiner, G. (1931) Die Nematoden der deutschen Sudpolar-Expedition 1901 - 03. I und II. Deutsche Sudpolarexpedition 1901 - 0 3, 20, 167 - 216, 307 - 433." type="journal article" year="1931">Steiner, 1931</bibRefCitation>
</taxonomicName>
and
<taxonomicName id="4C58B4D9FF9FFFDEFE5FFC60FC1459A6" authority="Steiner, 1931" authorityName="Steiner" authorityYear="1931" box="[504,903,1406,1431]" class="Adenophorea" family="Epsilonematidae" genus="Epsilonema" kingdom="Animalia" order="Desmodorida" pageId="16" pageNumber="399" phylum="Nematoda" rank="species" species="cyrtum">
<emphasis id="B92C1348FF9FFFDEFE5FFC60FD4A59A7" box="[504,729,1406,1431]" italics="true" pageId="16" pageNumber="399">Epsilonema cyrtum</emphasis>
<bibRefCitation id="EFC9B2ABFF9FFFDEFD4FFC60FC1459A6" author="Steiner" box="[744,903,1406,1431]" pageId="16" pageNumber="399" refString="Steiner, G. (1931) Die Nematoden der deutschen Sudpolar-Expedition 1901 - 03. I und II. Deutsche Sudpolarexpedition 1901 - 0 3, 20, 167 - 216, 307 - 433." type="journal article" year="1931">Steiner, 1931</bibRefCitation>
</taxonomicName>
.
<bibRefCitation id="EFC9B2ABFF9FFFDEFC3EFC61FBFE59A6" author="Decraemer" box="[921,1133,1407,1431]" pageId="16" pageNumber="399" refString="Decraemer, W. (1991) Revision of Epsilonema species from Antarctica described by Steiner (1931) (Nemata). Nematologica, 37, 20 - 37. http: // dx. doi. org / 10.1163 / 187529291 X 00033" type="journal article" year="1991">Decraemer (1991)</bibRefCitation>
re-examined
<taxonomicName id="4C58B4D9FF9FFFDEFABFFC60FA0F59A6" box="[1304,1436,1406,1431]" class="Adenophorea" family="Epsilonematidae" genus="Epsilonema" kingdom="Animalia" order="Desmodorida" pageId="16" pageNumber="399" phylum="Nematoda" rank="genus">
<emphasis id="B92C1348FF9FFFDEFABFFC60FA0F59A6" box="[1304,1436,1406,1431]" italics="true" pageId="16" pageNumber="399">Epsilonema</emphasis>
</taxonomicName>
specimens of the Steiners collection and identified there
<taxonomicName id="4C58B4D9FF9FFFDEFC9AFCBAFBC7598A" authority="Steiner, 1931" authorityName="Steiner" authorityYear="1931" box="[829,1108,1442,1467]" class="Adenophorea" family="Epsilonematidae" genus="Epsilonema" kingdom="Animalia" order="Desmodorida" pageId="16" pageNumber="399" phylum="Nematoda" rank="species" species="cyrtum">
<emphasis id="B92C1348FF9FFFDEFC9AFCBAFC3C598A" box="[829,943,1444,1467]" italics="true" pageId="16" pageNumber="399">E. cyrtum</emphasis>
<bibRefCitation id="EFC9B2ABFF9FFFDEFC1DFCBCFBC7598A" author="Steiner" box="[954,1108,1442,1467]" pageId="16" pageNumber="399" refString="Steiner, G. (1931) Die Nematoden der deutschen Sudpolar-Expedition 1901 - 03. I und II. Deutsche Sudpolarexpedition 1901 - 0 3, 20, 167 - 216, 307 - 433." type="journal article" year="1931">Steiner, 1931</bibRefCitation>
</taxonomicName>
, formerly declared valid by Lorenzen. She also re-described and re-established
<taxonomicName id="4C58B4D9FF9FFFDEFCA2FCD9FB1059EE" authority="Steiner, 1931" authorityName="Steiner" authorityYear="1931" box="[773,1155,1478,1503]" class="Adenophorea" family="Epsilonematidae" genus="Epsilonema" kingdom="Animalia" order="Desmodorida" pageId="16" pageNumber="399" phylum="Nematoda" rank="species" species="docidocricum">
<emphasis id="B92C1348FF9FFFDEFCA2FCD9FC5559EE" box="[773,966,1478,1503]" italics="true" pageId="16" pageNumber="399">E. docidocricum</emphasis>
(
<bibRefCitation id="EFC9B2ABFF9FFFDEFC7AFCD8FBE859EE" author="Steiner" box="[989,1147,1478,1503]" pageId="16" pageNumber="399" refString="Steiner, G. (1931) Die Nematoden der deutschen Sudpolar-Expedition 1901 - 03. I und II. Deutsche Sudpolarexpedition 1901 - 0 3, 20, 167 - 216, 307 - 433." type="journal article" year="1931">Steiner, 1931</bibRefCitation>
)
</taxonomicName>
as valid.
<bibRefCitation id="EFC9B2ABFF9FFFDEFAA1FCD8FEF05A32" author="Gourbault" pageId="16" pageNumber="399" refString="Gourbault, N. &amp; Decraemer, W. (1996) Marine nematodes of the family Epsilonematidae (Nemata): a synthesis with phylogenetic relationships. Nematologica, 42, 133 - 158. http: // dx. doi. org / 10.1163 / 004325996 X 00011" type="journal article" year="1996">Gourbault &amp; Decraemer (1996)</bibRefCitation>
reviewed the composition of
<taxonomicName id="4C58B4D9FF9FFFDEFD16FCF4FCFF5A32" box="[689,876,1514,1539]" class="Adenophorea" family="Epsilonematidae" kingdom="Animalia" order="Desmodorida" pageId="16" pageNumber="399" phylum="Nematoda" rank="family">Epsilonematidae</taxonomicName>
and listed 23 valid species of
<taxonomicName id="4C58B4D9FF9FFFDEFB1AFCF4FAD25A32" box="[1213,1345,1514,1539]" class="Adenophorea" family="Epsilonematidae" genus="Epsilonema" kingdom="Animalia" order="Desmodorida" pageId="16" pageNumber="399" phylum="Nematoda" rank="genus">
<emphasis id="B92C1348FF9FFFDEFB1AFCF4FAD25A32" box="[1213,1345,1514,1539]" italics="true" pageId="16" pageNumber="399">Epsilonema</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>