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<mods:title id="7500900B3A800F9A7DE544D4840E6A37">Systematic and taxonomic observations on the subfamily Synapseudinae Guţu, 1972 and related metapseudid taxa (Crustacea: Tanaidacea: Apseudomorpha), with the erection of a new genus and descriptions of three new species</mods:title>
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<mods:namePart id="54088645B6438AC22C687150820C2D07">Heard, Richard W.</mods:namePart>
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<paragraph id="8BA43695A536FF8E8DEAFE6EFD91FE3F" blockId="10.[151,549,444,470]" box="[151,549,444,470]" pageId="10" pageNumber="311">
<heading id="D0EC81F9A536FF8E8DEAFE6EFD91FE3F" bold="true" box="[151,549,444,470]" fontSize="11" level="1" pageId="10" pageNumber="311" reason="1">
<emphasis id="B96FEA87A536FF8E8DEAFE6EFD91FE3F" bold="true" box="[151,549,444,470]" pageId="10" pageNumber="311">
Genus
<taxonomicName id="4C1B4D16A536FF8E8D93FE6EFD91FE3F" ID-CoL="84TZQ" authority="Miller, 1940" authorityName="Miller" authorityYear="1940" box="[238,549,444,470]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEA87A536FF8E8D93FE6EFE3DFE3F" bold="true" box="[238,393,444,470]" italics="true" pageId="10" pageNumber="311">Synapseudes</emphasis>
<bibRefCitation id="EF8A4B64A536FF8E8CEDFE6EFD91FE3F" author="Miller" box="[400,549,444,470]" pageId="10" pageNumber="311" refString="Miller, M. A. (1940) The isopod Crustacea of the Hawaiian Islands (Chelifera and Valvifera) Occasional Papers of Bernice P. Bishop Museum, 15 (26), 295 - 321." type="journal article" year="1940">Miller, 1940</bibRefCitation>
</taxonomicName>
</emphasis>
</heading>
</paragraph>
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<emphasis id="B96FEA87A536FF8E8DEAFE2DFE26FDF1" bold="true" box="[151,402,511,536]" pageId="10" pageNumber="311">Diagnosis (emended)</emphasis>
. Body
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length, length 3.84.7 times width. Cephalothorax length 2.03.6 times length of antennular peduncle article-1. Pleon with segments appearing functionally fused; but with vestiges of one to three pleonites delineated by sutures, at least dorsally. Antenna lacking squama; with five or six articles (four peduncular and one or two flagella articles). Antennule peduncle article-1 with inner row of spiniform apophyses or single distinct spine; article-2 with or without apophyses on distal corners. Outer flagellum usually with three articles, rarely fewer; inner flagellum usually with two articles, rarely with one. Mandible palp articles 12 asetose, article-3 bearing two finely pectinate, unequal terminal setae. Pleopods absent. Uropodal exopod with one or two articles, endopod with three or four articles.
</paragraph>
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<paragraph id="8BA43695A536FF8E8DBAFCD8FD4BFBA6" blockId="10.[151,1437,511,2037]" pageId="10" pageNumber="311">
<emphasis id="B96FEA87A536FF8E8DBAFCD8FE80FCCA" bold="true" box="[199,308,778,803]" pageId="10" pageNumber="311">Remarks</emphasis>
. Most of the meristic characters used in distinguishing the 26 species now retained within
<taxonomicName id="4C1B4D16A536FF8E8DEAFCFEFE92FCAC" authorityName="Miller" authorityYear="1940" box="[151,294,812,837]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEA87A536FF8E8DEAFCFEFE92FCAC" box="[151,294,812,837]" italics="true" pageId="10" pageNumber="311">Synapseudes</emphasis>
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are listed in
<tableCitation id="C699032EA536FF8E8CBBFCFEFDABFCAD" box="[454,543,812,837]" captionStart="TABLE 3" captionStartId="40.[120,201,499,520]" captionText="TABLE 3. Selected characters usedin distinguishing the species of Synapseudes recognized here." pageId="10" pageNumber="311">Table 3</tableCitation>
.
<bibRefCitation id="EF8A4B64A536FF8E8F52FCFEFC95FCAD" author="Gutu" box="[559,801,812,837]" pageId="10" pageNumber="311" refString="Gutu, M. &amp; Ortiz, M. (2009) A new genus and two new species of metapseudids from the southern waters of Cuba (Crustacea: Tanaidacea: Apseudomorpha). Travaux du Museum National d´Histoire Naturelle &quot; Grigore Antipa &quot;, 52, 87 - 99." type="journal article" year="2009">Guţu &amp; Ortiz (2009)</bibRefCitation>
considered the vestiges of two pleonites as a primary criterion for the erection of a new monotypic genus to accommodate
<taxonomicName id="4C1B4D16A536FF8E8EACFC9FFAB1FC8C" authorityName="Gutu &amp; Ortiz" authorityYear="2009" box="[977,1285,845,870]" class="Malacostraca" family="Metapseudidae" genus="Synapseudoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="pinosensis">
<emphasis id="B96FEA87A536FF8E8EACFC9FFAB1FC8C" box="[977,1285,845,870]" italics="true" pageId="10" pageNumber="311">Synapseudoides pinosensis</emphasis>
</taxonomicName>
from Cuban waters.
<taxonomicName id="4C1B4D16A536FF8E8D92FCBCFE16FC6E" authorityName="Gutu &amp; Ortiz" authorityYear="2009" box="[239,418,878,903]" class="Malacostraca" family="Metapseudidae" genus="Synapseudoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEA87A536FF8E8D92FCBCFE16FC6E" box="[239,418,878,903]" italics="true" pageId="10" pageNumber="311">Synapseudoides</emphasis>
</taxonomicName>
was diagnosed as having (1) a pleon with the indications of two pleonites, (2) pereonites with rounded margins, (3) an antennule with inner flagellum being biarticulate and the outer being triarticulate, (4) an antenna with six articles, terminating in a single long seta, (5) uropod with exopod biarticulate and an endopod triarticulate. All these characters fall within the range of those presently ascribed here for
<emphasis id="B96FEA87A536FF8E89F3FC00FA90FC02" box="[1166,1316,978,1003]" italics="true" pageId="10" pageNumber="311">
<taxonomicName id="4C1B4D16A536FF8E89F3FC00FA94FC02" authorityName="Miller" authorityYear="1940" box="[1166,1312,978,1003]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="genus">Synapseudes</taxonomicName>
,
</emphasis>
especially the variation in the number of vestigial pleonites as originally indicated by
<bibRefCitation id="EF8A4B64A536FF8E8E90FC27FBC8FBE5" author="Lang" box="[1005,1148,1012,1037]" pageId="10" pageNumber="311" refString="Lang, K. (1970) Taxonomische und phylogenetische Untersuchungen uber die Tanaidaceen 4. Aufteilung der Apseudiden in vier Familien nebst Aufstellung von zwei Gattungen und einer Art der neuen Familie Leiopidae. Arkiv for Zoologi, Series 2, 22, 595 - 626." type="journal article" year="1970">Lang (1970)</bibRefCitation>
. Based on our systematic analyses, we here subsume
<taxonomicName id="4C1B4D16A536FF8E8C90FBC7FD14FBC7" authorityName="Gutu &amp; Ortiz" authorityYear="2009" box="[493,672,1045,1070]" class="Malacostraca" family="Metapseudidae" genus="Synapseudoides" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEA87A536FF8E8C90FBC7FD14FBC7" box="[493,672,1045,1070]" italics="true" pageId="10" pageNumber="311">Synapseudoides</emphasis>
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into the genus
<taxonomicName id="4C1B4D16A536FF8E8E10FBC7FC48FBC7" authorityName="Miller" authorityYear="1940" box="[877,1020,1045,1070]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEA87A536FF8E8E10FBC7FC48FBC7" box="[877,1020,1045,1070]" italics="true" pageId="10" pageNumber="311">Synapseudes</emphasis>
</taxonomicName>
. Hence, its
<typeStatus id="54A08837A536FF8E89E7FBC4FB7EFBC7" box="[1178,1226,1046,1070]" pageId="10" pageNumber="311">type</typeStatus>
species becomes
<taxonomicName id="4C1B4D16A536FF8E8DEAFBE4FD26FBA6" authority="(Gutu &amp; Ortiz 2009)" authorityName="Heard &amp; Stępień &amp; Drumm &amp; Błażewicz &amp; Anderson" authorityYear="2018" baseAuthorityName="Gutu &amp; Ortiz" baseAuthorityYear="2009" box="[151,658,1078,1103]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="pinosensis" status="comb. nov.">
<emphasis id="B96FEA87A536FF8E8DEAFBE4FE16FBA7" box="[151,418,1078,1103]" italics="true" pageId="10" pageNumber="311">Synapseudes pinosensis</emphasis>
(
<bibRefCitation id="EF8A4B64A536FF8E8CCDFBE5FD3EFBA6" author="Gutu" box="[432,650,1078,1103]" pageId="10" pageNumber="311" refString="Gutu, M. &amp; Ortiz, M. (2009) A new genus and two new species of metapseudids from the southern waters of Cuba (Crustacea: Tanaidacea: Apseudomorpha). Travaux du Museum National d´Histoire Naturelle &quot; Grigore Antipa &quot;, 52, 87 - 99." type="journal article" year="2009">Guţu &amp; Ortiz 2009</bibRefCitation>
)
</taxonomicName>
,
<taxonomicNameLabel id="A25C57FCA536FF8E8FE0FBE5FD4BFBA6" box="[669,767,1078,1103]" pageId="10" pageNumber="311">n. comb.</taxonomicNameLabel>
</paragraph>
<paragraph id="8BA43695A536FF8E8DBAFB85FDF8FAD1" blockId="10.[151,1437,511,2037]" pageId="10" pageNumber="311">
Also, besides
<emphasis id="B96FEA87A536FF8E8C16FB8AFDB2FB99" box="[363,518,1112,1136]" italics="true" pageId="10" pageNumber="311">
<taxonomicName id="4C1B4D16A536FF8E8C16FB8AFDB6FB99" authorityName="Heard &amp; Stępień &amp; Drumm &amp; Błażewicz &amp; Anderson" authorityYear="2018" baseAuthorityName="Gutu &amp; Ortiz" baseAuthorityYear="2009" box="[363,514,1112,1136]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="pinosensis">S. pinosensis</taxonomicName>
,
</emphasis>
over a third of the other previously described species of
<taxonomicName id="4C1B4D16A536FF8E89D2FB85FA8AFB99" authorityName="Miller" authorityYear="1940" box="[1199,1342,1111,1136]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEA87A536FF8E89D2FB85FA8AFB99" box="[1199,1342,1111,1136]" italics="true" pageId="10" pageNumber="311">Synapseudes</emphasis>
</taxonomicName>
(i.e.,
<taxonomicName id="4C1B4D16A536FF8E88FAFB8AFEBFFB78" authorityName="Bacescu" authorityYear="1976" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="acroporae">
<emphasis id="B96FEA87A536FF8E88FAFB8AFEBFFB78" italics="true" pageId="10" pageNumber="311">S. acroporae</emphasis>
</taxonomicName>
,
<emphasis id="B96FEA87A536FF8E8C64FBA8FD73FB78" box="[281,711,1146,1169]" italics="true" pageId="10" pageNumber="311">
<taxonomicName id="4C1B4D16A536FF8E8C64FBA8FE03FB78" authorityName="Amar &amp; Cazaubon" authorityYear="1978" box="[281,439,1146,1169]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="cystoseirae">S. cystoseirae</taxonomicName>
,
<taxonomicName id="4C1B4D16A536FF8E8CBEFBA8FDA2FB78" box="[451,534,1146,1169]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="erici">S. erici</taxonomicName>
,
<taxonomicName id="4C1B4D16A536FF8E8F5FFBA8FD73FB78" authorityName="Menzies" authorityYear="1949" box="[546,711,1146,1169]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="intumescens">S. intumescens</taxonomicName>
</emphasis>
,
<emphasis id="B96FEA87A536FF8E8FABFBA8FB03FB7B" box="[726,1207,1145,1170]" italics="true" pageId="10" pageNumber="311">
<taxonomicName id="4C1B4D16A536FF8E8FABFBA8FCE2FB78" authorityName="Bacescu" authorityYear="1976" box="[726,854,1146,1169]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="menziesi">S. menziesi</taxonomicName>
,
<taxonomicName id="4C1B4D16A536FF8E8E1FFBA8FB97FB7B" authorityName="Bacescu" authorityYear="1977" box="[866,1059,1145,1170]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="mediterraneus">S. mediterraneus</taxonomicName>
,
<taxonomicName id="4C1B4D16A536FF8E894DFBA8FB03FB7B" authorityName="Gutu" authorityYear="1996" box="[1072,1207,1146,1170]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="rectifrons">S. rectifrons</taxonomicName>
</emphasis>
,
<emphasis id="B96FEA87A536FF8E89BBFBA8FAFAFB78" box="[1222,1358,1146,1169]" italics="true" pageId="10" pageNumber="311">
<taxonomicName id="4C1B4D16A536FF8E89BBFBA8FAFFFB78" authorityName="Shiino" authorityYear="1951" box="[1222,1355,1146,1169]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="setoensis">S. setoensis</taxonomicName>
,
</emphasis>
and
<taxonomicName id="4C1B4D16A536FF8E88FAFBA8FF57FB5A" authorityName="Riggio" authorityYear="1973" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="shiinoi">
<emphasis id="B96FEA87A536FF8E88FAFBA8FF57FB5A" italics="true" pageId="10" pageNumber="311">S. shiinoi</emphasis>
</taxonomicName>
) exhibit the presence of just two pleonites (see
<tableCitation id="C699032EA536FF8E8F81FB48FCE4FB5A" box="[764,848,1178,1203]" captionStart="TABLE 3" captionStartId="40.[120,201,499,520]" captionText="TABLE 3. Selected characters usedin distinguishing the species of Synapseudes recognized here." pageId="10" pageNumber="311">Table 3</tableCitation>
). There is one character that appears to be unique to
<taxonomicName id="4C1B4D16A536FF8E8DEAFB6FFE9EFB3D" authorityName="Heard &amp; Stępień &amp; Drumm &amp; Błażewicz &amp; Anderson" authorityYear="2018" baseAuthorityName="Gutu &amp; Ortiz" baseAuthorityYear="2009" box="[151,298,1213,1236]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="pinosensis">
<emphasis id="B96FEA87A536FF8E8DEAFB6FFF11FB3D" box="[151,165,1213,1236]" italics="true" pageId="10" pageNumber="311">S</emphasis>
.
<emphasis id="B96FEA87A536FF8E8DC8FB6FFE9EFB3D" box="[181,298,1213,1236]" italics="true" pageId="10" pageNumber="311">pinosensis</emphasis>
</taxonomicName>
that may be systematically important. Article-3 of its antenna appears to be more than three times longer than article-4, whereas in all other members of the genus for which the antenna has been described, article-4 is significantly longer than article-3. As discussed earlier,
<taxonomicName id="4C1B4D16A536FF8E8E58FB2DFC7AFAFE" baseAuthorityName="Vanhoffen" baseAuthorityYear="1914" box="[805,974,1278,1303]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="heterocheles">
<emphasis id="B96FEA87A536FF8E8E58FB2DFC7AFAFE" box="[805,974,1278,1303]" italics="true" pageId="10" pageNumber="311">S. heterocheles</emphasis>
</taxonomicName>
generally only exhibits one pleonite, but two can be present (see
<bibRefCitation id="EF8A4B64A536FF8E8CDEFACDFDF4FAD1" author="Bamber" box="[419,576,1311,1336]" pageId="10" pageNumber="311" refString="Bamber, R. N. (2012) Littoral Tanaidacea (Crustacea: Peracarida) from Macaronesia: allopatry and provenance in recent habitats. Journal of the Marine Biological Association of the United Kingdom, 92 (5), 1095 - 1116. https: // doi. org / 10.1017 / S 0025315412000252" type="journal article" year="2012">Bamber 2012</bibRefCitation>
).
</paragraph>
<paragraph id="8BA43695A536FF8E8DBAFA93FAFFFA74" blockId="10.[151,1437,511,2037]" pageId="10" pageNumber="311">
The systematic status of four nominal species,
<emphasis id="B96FEA87A536FF8E8FA1FA90FCC7FAB0" box="[732,883,1346,1369]" italics="true" pageId="10" pageNumber="311">
<taxonomicName id="4C1B4D16A536FF8E8FA1FA90FCDBFAB0" authorityName="Bacescu" authorityYear="1976" box="[732,879,1346,1369]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="acroporae">S. acroporae</taxonomicName>
,
</emphasis>
<taxonomicName id="4C1B4D16A536FF8E8E01FA90FBA9FAB3" authorityName="Sieg" authorityYear="1986" box="[892,1053,1345,1370]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="aflagellatus">
<emphasis id="B96FEA87A536FF8E8E01FA90FC3EFAB0" box="[892,906,1346,1369]" italics="true" pageId="10" pageNumber="311">S</emphasis>
.
<emphasis id="B96FEA87A536FF8E8EE4FA93FBA9FAB3" box="[921,1053,1345,1370]" italics="true" pageId="10" pageNumber="311">aflagellatus</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1B4D16A536FF8E8951FA90FB58FAB3" authorityName="Bacescu" authorityYear="1977" box="[1068,1260,1345,1370]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="mediterraneus">
<emphasis id="B96FEA87A536FF8E8951FA90FB8EFAB0" box="[1068,1082,1346,1369]" italics="true" pageId="10" pageNumber="311">S</emphasis>
.
<emphasis id="B96FEA87A536FF8E8937FA93FB58FAB3" box="[1098,1260,1345,1370]" italics="true" pageId="10" pageNumber="311">mediterraneus</emphasis>
</taxonomicName>
, and
<taxonomicName id="4C1B4D16A536FF8E8856FA90FA20FAB3" authorityName="Riggio" authorityYear="1973" box="[1323,1428,1345,1370]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="shiinoi">
<emphasis id="B96FEA87A536FF8E8856FA90FA20FAB3" box="[1323,1428,1345,1370]" italics="true" pageId="10" pageNumber="311">S. shiinoi</emphasis>
</taxonomicName>
, which we have tentatively retained within
<emphasis id="B96FEA87A536FF8E8FFCFAB0FCA3FA92" box="[641,791,1378,1403]" italics="true" pageId="10" pageNumber="311">
<taxonomicName id="4C1B4D16A536FF8E8FFCFAB0FCA7FA92" authorityName="Miller" authorityYear="1940" box="[641,787,1378,1403]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="genus">Synapseudes</taxonomicName>
,
</emphasis>
remains problematical. These four species each possess unique characters, possibly of generic significance, which are not exhibited by other members of the genus.
</paragraph>
<paragraph id="8BA43695A536FF8E8DBAFA77FEC2F921" blockId="10.[151,1437,511,2037]" pageId="10" pageNumber="311">
<emphasis id="B96FEA87A536FF8E8DBAFA77FE5BFA57" box="[199,495,1445,1470]" italics="true" pageId="10" pageNumber="311">
<taxonomicName id="4C1B4D16A536FF8E8DBAFA77FE5FFA57" authorityName="Sieg" authorityYear="1986" box="[199,491,1445,1470]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="aflagellatus">Synapseudes aflagellatus</taxonomicName>
,
</emphasis>
remains the only cold-water (sub-Antarctic) member of the genus within the
<taxonomicName id="4C1B4D16A536FF8E8DEAFA14FEF7FA36" authorityName="Gutu" authorityYear="1972" box="[151,323,1478,1503]" class="Malacostraca" family="Metapseudidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="subFamily" subFamily="Synapseudinae">Synapseudinae</taxonomicName>
. The distinctive combination of characters separating this species from the others in the genus include: (1) the greatly reduced condition of both antennular flagella (
<figureCitation id="13202A10A536FF8E8ED0FA35FBBCF9E9" box="[941,1032,1511,1536]" captionStart="FIGURE 4" captionStartId="9.[151,250,1471,1493]" captionTargetBox="[151,1432,197,1445]" captionTargetId="figure@9.[151,1436,193,1450]" captionTargetPageId="9" captionText="FIGURE 4. Some atypical species of Synapseudes. Synapseudes aflagellatus: A, antennule; B, antenna; C, maxilla; D, pereopod-1. Synapseudes mediterraneus: E, antennule; F, antenna; G, pleon and pleotelson, dorsal aspect; H, pleon andpleotelson, lateral aspect. Synapseudes shiinoi: I, antennule; J, right mandible with palp terminating in multiple setae. Synapseudes acroporae. K, carapace with lateral setulate setae and minute setae covering surface; L, pereonite-6, pleon and pleotelson, lateral aspect, showing same types of setation; M, chela of female with spiniform setae on mid-proximal region of propodus. Synapseudes violaceus: N, uropod with endopod bearing long setulate terminal seta. AD modified from Sieg (1986); EH; modified after Băcescu (1977); IJmodified from Riggio (1977); KN modified from Băcescu (1976)." httpUri="https://zenodo.org/record/1146381/files/figure.png" pageId="10" pageNumber="311">Fig. 4A</figureCitation>
), (2) the inner margin of antennular peduncle article lacking spiniform apophyses (
<figureCitation id="13202A10A536FF8E8FD4F9DBFCB1F9CB" box="[681,773,1545,1570]" captionStart="FIGURE 4" captionStartId="9.[151,250,1471,1493]" captionTargetBox="[151,1432,197,1445]" captionTargetId="figure@9.[151,1436,193,1450]" captionTargetPageId="9" captionText="FIGURE 4. Some atypical species of Synapseudes. Synapseudes aflagellatus: A, antennule; B, antenna; C, maxilla; D, pereopod-1. Synapseudes mediterraneus: E, antennule; F, antenna; G, pleon and pleotelson, dorsal aspect; H, pleon andpleotelson, lateral aspect. Synapseudes shiinoi: I, antennule; J, right mandible with palp terminating in multiple setae. Synapseudes acroporae. K, carapace with lateral setulate setae and minute setae covering surface; L, pereonite-6, pleon and pleotelson, lateral aspect, showing same types of setation; M, chela of female with spiniform setae on mid-proximal region of propodus. Synapseudes violaceus: N, uropod with endopod bearing long setulate terminal seta. AD modified from Sieg (1986); EH; modified after Băcescu (1977); IJmodified from Riggio (1977); KN modified from Băcescu (1976)." httpUri="https://zenodo.org/record/1146381/files/figure.png" pageId="10" pageNumber="311">Fig. 4A</figureCitation>
), (3) the presence of five or six long terminal setae on the antenna (
<figureCitation id="13202A10A536FF8E8D80F9F8FEE0F9AA" box="[253,340,1578,1603]" captionStart="FIGURE 4" captionStartId="9.[151,250,1471,1493]" captionTargetBox="[151,1432,197,1445]" captionTargetId="figure@9.[151,1436,193,1450]" captionTargetPageId="9" captionText="FIGURE 4. Some atypical species of Synapseudes. Synapseudes aflagellatus: A, antennule; B, antenna; C, maxilla; D, pereopod-1. Synapseudes mediterraneus: E, antennule; F, antenna; G, pleon and pleotelson, dorsal aspect; H, pleon andpleotelson, lateral aspect. Synapseudes shiinoi: I, antennule; J, right mandible with palp terminating in multiple setae. Synapseudes acroporae. K, carapace with lateral setulate setae and minute setae covering surface; L, pereonite-6, pleon and pleotelson, lateral aspect, showing same types of setation; M, chela of female with spiniform setae on mid-proximal region of propodus. Synapseudes violaceus: N, uropod with endopod bearing long setulate terminal seta. AD modified from Sieg (1986); EH; modified after Băcescu (1977); IJmodified from Riggio (1977); KN modified from Băcescu (1976)." httpUri="https://zenodo.org/record/1146381/files/figure.png" pageId="10" pageNumber="311">Fig. 4B</figureCitation>
), (4) a maxilla with a reduced number of similar setulate setae on the endites (
<figureCitation id="13202A10A536FF8E89C4F9F8FAA4F9AA" box="[1209,1296,1578,1603]" captionStart="FIGURE 4" captionStartId="9.[151,250,1471,1493]" captionTargetBox="[151,1432,197,1445]" captionTargetId="figure@9.[151,1436,193,1450]" captionTargetPageId="9" captionText="FIGURE 4. Some atypical species of Synapseudes. Synapseudes aflagellatus: A, antennule; B, antenna; C, maxilla; D, pereopod-1. Synapseudes mediterraneus: E, antennule; F, antenna; G, pleon and pleotelson, dorsal aspect; H, pleon andpleotelson, lateral aspect. Synapseudes shiinoi: I, antennule; J, right mandible with palp terminating in multiple setae. Synapseudes acroporae. K, carapace with lateral setulate setae and minute setae covering surface; L, pereonite-6, pleon and pleotelson, lateral aspect, showing same types of setation; M, chela of female with spiniform setae on mid-proximal region of propodus. Synapseudes violaceus: N, uropod with endopod bearing long setulate terminal seta. AD modified from Sieg (1986); EH; modified after Băcescu (1977); IJmodified from Riggio (1977); KN modified from Băcescu (1976)." httpUri="https://zenodo.org/record/1146381/files/figure.png" pageId="10" pageNumber="311">Fig. 4C</figureCitation>
), and (5) the presence of five stout, spiniform setae on the posteroventral margin of the propodus of pereopods 13 (
<figureCitation id="13202A10A536FF8E8849F99EFA24F98D" box="[1332,1424,1612,1637]" captionStart="FIGURE 4" captionStartId="9.[151,250,1471,1493]" captionTargetBox="[151,1432,197,1445]" captionTargetId="figure@9.[151,1436,193,1450]" captionTargetPageId="9" captionText="FIGURE 4. Some atypical species of Synapseudes. Synapseudes aflagellatus: A, antennule; B, antenna; C, maxilla; D, pereopod-1. Synapseudes mediterraneus: E, antennule; F, antenna; G, pleon and pleotelson, dorsal aspect; H, pleon andpleotelson, lateral aspect. Synapseudes shiinoi: I, antennule; J, right mandible with palp terminating in multiple setae. Synapseudes acroporae. K, carapace with lateral setulate setae and minute setae covering surface; L, pereonite-6, pleon and pleotelson, lateral aspect, showing same types of setation; M, chela of female with spiniform setae on mid-proximal region of propodus. Synapseudes violaceus: N, uropod with endopod bearing long setulate terminal seta. AD modified from Sieg (1986); EH; modified after Băcescu (1977); IJmodified from Riggio (1977); KN modified from Băcescu (1976)." httpUri="https://zenodo.org/record/1146381/files/figure.png" pageId="10" pageNumber="311">Fig. 4D</figureCitation>
). This unique set of characters may warrant the elevation of
<taxonomicName id="4C1B4D16A536FF8E8E42F9BFFBEFF96F" authorityName="Sieg" authorityYear="1986" box="[831,1115,1645,1670]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="aflagellatus">
<emphasis id="B96FEA87A536FF8E8E42F9BFFBEFF96F" box="[831,1115,1645,1670]" italics="true" pageId="10" pageNumber="311">Synapseudes aflagellatus</emphasis>
</taxonomicName>
to a new monotypic genus; however, we tentatively retain it within
<taxonomicName id="4C1B4D16A536FF8E8F13F95CFD49F94E" authorityName="Miller" authorityYear="1940" box="[622,765,1678,1703]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEA87A536FF8E8F13F95CFD49F94E" box="[622,765,1678,1703]" italics="true" pageId="10" pageNumber="311">Synapseudes</emphasis>
</taxonomicName>
, pending re-examination of the type material and further systematic analysis.
</paragraph>
<paragraph id="8BA43695A536FF8E8DBAF903FEB2F85B" blockId="10.[151,1437,511,2037]" pageId="10" pageNumber="311">
The Tasmanian species,
<emphasis id="B96FEA87A536FF8E8CAAF900FDD9F900" box="[471,621,1746,1769]" italics="true" pageId="10" pageNumber="311">
<taxonomicName id="4C1B4D16A536FF8E8CAAF900FDDDF900" authorityName="Bacescu" authorityYear="1976" box="[471,617,1746,1769]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="acroporae">S. acroporae</taxonomicName>
,
</emphasis>
appears to exhibit several unique features, including (1) the subproximal outer face of propodus (palm) of female chela armed with a stout spiniform seta (
<figureCitation id="13202A10A536FF8E8940F920FB29F8E2" box="[1085,1181,1778,1803]" captionStart="FIGURE 4" captionStartId="9.[151,250,1471,1493]" captionTargetBox="[151,1432,197,1445]" captionTargetId="figure@9.[151,1436,193,1450]" captionTargetPageId="9" captionText="FIGURE 4. Some atypical species of Synapseudes. Synapseudes aflagellatus: A, antennule; B, antenna; C, maxilla; D, pereopod-1. Synapseudes mediterraneus: E, antennule; F, antenna; G, pleon and pleotelson, dorsal aspect; H, pleon andpleotelson, lateral aspect. Synapseudes shiinoi: I, antennule; J, right mandible with palp terminating in multiple setae. Synapseudes acroporae. K, carapace with lateral setulate setae and minute setae covering surface; L, pereonite-6, pleon and pleotelson, lateral aspect, showing same types of setation; M, chela of female with spiniform setae on mid-proximal region of propodus. Synapseudes violaceus: N, uropod with endopod bearing long setulate terminal seta. AD modified from Sieg (1986); EH; modified after Băcescu (1977); IJmodified from Riggio (1977); KN modified from Băcescu (1976)." httpUri="https://zenodo.org/record/1146381/files/figure.png" pageId="10" pageNumber="311">Fig. 4M</figureCitation>
), the dorsal surface of each of the pereonites and cephalothorax with long plumose setae (not simple setae as in the other know members of the genus) (
<figureCitation id="13202A10A536FF8E8C44F8E7FE06F8A7" box="[313,434,1845,1870]" captionStart="FIGURE 4" captionStartId="9.[151,250,1471,1493]" captionTargetBox="[151,1432,197,1445]" captionTargetId="figure@9.[151,1436,193,1450]" captionTargetPageId="9" captionText="FIGURE 4. Some atypical species of Synapseudes. Synapseudes aflagellatus: A, antennule; B, antenna; C, maxilla; D, pereopod-1. Synapseudes mediterraneus: E, antennule; F, antenna; G, pleon and pleotelson, dorsal aspect; H, pleon andpleotelson, lateral aspect. Synapseudes shiinoi: I, antennule; J, right mandible with palp terminating in multiple setae. Synapseudes acroporae. K, carapace with lateral setulate setae and minute setae covering surface; L, pereonite-6, pleon and pleotelson, lateral aspect, showing same types of setation; M, chela of female with spiniform setae on mid-proximal region of propodus. Synapseudes violaceus: N, uropod with endopod bearing long setulate terminal seta. AD modified from Sieg (1986); EH; modified after Băcescu (1977); IJmodified from Riggio (1977); KN modified from Băcescu (1976)." httpUri="https://zenodo.org/record/1146381/files/figure.png" pageId="10" pageNumber="311">Fig. 4K, L</figureCitation>
), and the surface of its body appearing to be covered with fine setules (
<figureCitation id="13202A10A536FF8E89AFF8E7FAFFF8A7" box="[1234,1355,1845,1870]" captionStart="FIGURE 4" captionStartId="9.[151,250,1471,1493]" captionTargetBox="[151,1432,197,1445]" captionTargetId="figure@9.[151,1436,193,1450]" captionTargetPageId="9" captionText="FIGURE 4. Some atypical species of Synapseudes. Synapseudes aflagellatus: A, antennule; B, antenna; C, maxilla; D, pereopod-1. Synapseudes mediterraneus: E, antennule; F, antenna; G, pleon and pleotelson, dorsal aspect; H, pleon andpleotelson, lateral aspect. Synapseudes shiinoi: I, antennule; J, right mandible with palp terminating in multiple setae. Synapseudes acroporae. K, carapace with lateral setulate setae and minute setae covering surface; L, pereonite-6, pleon and pleotelson, lateral aspect, showing same types of setation; M, chela of female with spiniform setae on mid-proximal region of propodus. Synapseudes violaceus: N, uropod with endopod bearing long setulate terminal seta. AD modified from Sieg (1986); EH; modified after Băcescu (1977); IJmodified from Riggio (1977); KN modified from Băcescu (1976)." httpUri="https://zenodo.org/record/1146381/files/figure.png" pageId="10" pageNumber="311">Fig. 4K, L</figureCitation>
). None of these characters appear to be shared with other members of the genus. It should also be mentioned that another atypical Tasmanian species,
<emphasis id="B96FEA87A536FF8E8CAAF8AAFDD0F879" box="[471,612,1911,1936]" italics="true" pageId="10" pageNumber="311">
<taxonomicName id="4C1B4D16A536FF8E8CAAF8AAFDD4F879" authorityName="Bacescu" authorityYear="1976" box="[471,608,1911,1936]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="violaceus">S. violaceus</taxonomicName>
,
</emphasis>
is illustrated with a long terminal plumose seta on the uropodal endopod (
<figureCitation id="13202A10A536FF8E8DE2F84BFF4EF85B" box="[159,250,1945,1970]" captionStart="FIGURE 4" captionStartId="9.[151,250,1471,1493]" captionTargetBox="[151,1432,197,1445]" captionTargetId="figure@9.[151,1436,193,1450]" captionTargetPageId="9" captionText="FIGURE 4. Some atypical species of Synapseudes. Synapseudes aflagellatus: A, antennule; B, antenna; C, maxilla; D, pereopod-1. Synapseudes mediterraneus: E, antennule; F, antenna; G, pleon and pleotelson, dorsal aspect; H, pleon andpleotelson, lateral aspect. Synapseudes shiinoi: I, antennule; J, right mandible with palp terminating in multiple setae. Synapseudes acroporae. K, carapace with lateral setulate setae and minute setae covering surface; L, pereonite-6, pleon and pleotelson, lateral aspect, showing same types of setation; M, chela of female with spiniform setae on mid-proximal region of propodus. Synapseudes violaceus: N, uropod with endopod bearing long setulate terminal seta. AD modified from Sieg (1986); EH; modified after Băcescu (1977); IJmodified from Riggio (1977); KN modified from Băcescu (1976)." httpUri="https://zenodo.org/record/1146381/files/figure.png" pageId="10" pageNumber="311">Fig. 4N</figureCitation>
).
</paragraph>
<paragraph id="8BA43695A536FF8F8DBAF868FCB9FE91" blockId="10.[151,1437,511,2037]" lastBlockId="11.[151,1437,151,1343]" lastPageId="11" lastPageNumber="312" pageId="10" pageNumber="311">
<taxonomicName id="4C1B4D16A536FF8E8DBAF868FE4BF83A" authorityName="Bacescu" authorityYear="1977" box="[199,511,1978,2003]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="mediterraneus">
<emphasis id="B96FEA87A536FF8E8DBAF868FE4BF83A" box="[199,511,1978,2003]" italics="true" pageId="10" pageNumber="311">Synapseudes mediterraneus</emphasis>
</taxonomicName>
appears, possibly apart from
<taxonomicName id="4C1B4D16A536FF8E8E34F869FC05F83A" authorityName="Riggio" authorityYear="1973" box="[841,945,1978,2003]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="shiinoi">
<emphasis id="B96FEA87A536FF8E8E34F869FC05F83A" box="[841,945,1978,2003]" italics="true" pageId="10" pageNumber="311">S. shiinoi</emphasis>
</taxonomicName>
and
<taxonomicName id="4C1B4D16A536FF8E8E9AF869FB3CF83A" authorityName="Sieg" authorityYear="1986" box="[999,1160,1978,2003]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="10" pageNumber="311" phylum="Arthropoda" rank="species" species="aflagellatus">
<emphasis id="B96FEA87A536FF8E8E9AF869FB3CF83A" box="[999,1160,1978,2003]" italics="true" pageId="10" pageNumber="311">S. aflagellatus</emphasis>
</taxonomicName>
, to be unique among the described members of the genus by having a combination of only two articles in the outer antennular flagella plus an antenna terminating in “three long setae; however, four terminal setae appear to be present on the illustration of the antenna (
<bibRefCitation id="EF8A4B64A537FF8F8C46FF6BFDEDFF38" author="Bacescu" box="[315,601,185,210]" pageId="11" pageNumber="312" refString="Bacescu, M. (1977) Heterotanais longidactylus n. sp. and Synapseudes mediterraneus n. sp., Tanaidacea new for the eastern Mediterranean fauna. Revue Roumaine de Biologie, Serie de Biologie Animale, 22, 119 - 125." type="journal article" year="1977">Băcescu 1977: fig. 2E</bibRefCitation>
). If substantiated, the most systematically significant feature of
<taxonomicName id="4C1B4D16A537FF8F88FAFF68FE8DFF1A" authorityName="Bacescu" authorityYear="1977" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="mediterraneus">
<emphasis id="B96FEA87A537FF8F88FAFF68FE8DFF1A" italics="true" pageId="11" pageNumber="312">S. mediterraneus</emphasis>
</taxonomicName>
is the presence of a pair of small elongate, ventrolateral, protuberances on pleonites 12. Băcescu considered these structures as possible vestiges of pleopods; however, based on his illustrations (
<figureCitation id="13202A10A537FF8F8871FF2EFADCFEFD" box="[1292,1384,252,277]" captionStart="FIGURE 4" captionStartId="9.[151,250,1471,1493]" captionTargetBox="[151,1432,197,1445]" captionTargetId="figure@9.[151,1436,193,1450]" captionTargetPageId="9" captionText="FIGURE 4. Some atypical species of Synapseudes. Synapseudes aflagellatus: A, antennule; B, antenna; C, maxilla; D, pereopod-1. Synapseudes mediterraneus: E, antennule; F, antenna; G, pleon and pleotelson, dorsal aspect; H, pleon andpleotelson, lateral aspect. Synapseudes shiinoi: I, antennule; J, right mandible with palp terminating in multiple setae. Synapseudes acroporae. K, carapace with lateral setulate setae and minute setae covering surface; L, pereonite-6, pleon and pleotelson, lateral aspect, showing same types of setation; M, chela of female with spiniform setae on mid-proximal region of propodus. Synapseudes violaceus: N, uropod with endopod bearing long setulate terminal seta. AD modified from Sieg (1986); EH; modified after Băcescu (1977); IJmodified from Riggio (1977); KN modified from Băcescu (1976)." httpUri="https://zenodo.org/record/1146381/files/figure.png" pageId="11" pageNumber="312">Fig. 4H</figureCitation>
) we believe that these structures appear to represent the lateral spines of the reduced pleura associated with pleonites 1 2. They are somewhat similar to lateral processes on the partially fused pleonites of
<taxonomicName id="4C1B4D16A537FF8F8936FEEDFB14FEBE" authorityName="Heard &amp; Stępień &amp; Drumm &amp; Błażewicz &amp; Anderson" authorityYear="2018" baseAuthorityName="Gardiner" baseAuthorityYear="1973" box="[1099,1184,318,343]" class="Malacostraca" family="Metapseudidae" genus="Ronabus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="idios">
<emphasis id="B96FEA87A537FF8F8936FEEDFB14FEBE" box="[1099,1184,318,343]" italics="true" pageId="11" pageNumber="312">R. idios</emphasis>
</taxonomicName>
, which has the pair of pleopods on pleonite-1 inserted more ventrally (
<figureCitation id="13202A10A537FF8F8FCCFE8DFCB4FE91" box="[689,768,351,376]" captionStart="FIGURE 3" captionStartId="8.[151,250,1689,1711]" captionTargetBox="[160,1437,199,1657]" captionTargetId="figure@8.[151,1437,193,1668]" captionTargetPageId="8" captionText="FIGURE 3. Metapseudes wilsoni. A, antenna; C, right mandible with palp; H, uropod, endopod biarticulate. Metapseudes aucklandiae. E, abdomen, pleonites completely delineated (five pairs of biramous pleopods not illustrated); F, biramous pleopod with terminal setulate setae; G, pleonites 45 and pleotelson, dorsal aspect. Ronabus idios. B, antenna; D, left mandible with palp.I, male pleon and pleotelson, lateral aspect,showing partially fused pleonites15 and biramous pleopod-1; J, female, uniramous pleopod-1; K, partially fused pleonites and pleotelson, dorsal aspect; L, uropod, endopod triarticulate. A, C, H from Błażewicz-Paszkowycz &amp; Bamber (2007); B, DG, IL from, or modified from, Gardiner (1973)." httpUri="https://zenodo.org/record/1146379/files/figure.png" pageId="11" pageNumber="312">
Fig.
<date id="FFA51055A537FF8F8F9BFEB2FCB4FE91" box="[742,768,352,376]" pageId="11" pageNumber="312">3I</date>
</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C301651EA537FF8F8DBAFE53FA8AFAD7" pageId="11" pageNumber="312" type="description">
<paragraph id="8BA43695A537FF8F8DBAFE53FCC9FE17" blockId="11.[151,1437,151,1343]" pageId="11" pageNumber="312">
<taxonomicName id="4C1B4D16A537FF8F8DBAFE53FE1EFE73" authorityName="Riggio" authorityYear="1973" box="[199,426,385,410]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="shiinoi">
<emphasis id="B96FEA87A537FF8F8DBAFE53FE1EFE73" box="[199,426,385,410]" italics="true" pageId="11" pageNumber="312">Synapseudes shiinoi</emphasis>
</taxonomicName>
, also described from the Mediterranean, appears to have affinities with
<taxonomicName id="4C1B4D16A537FF8F89A0FE50FA28FE73" authorityName="Bacescu" authorityYear="1977" box="[1245,1436,385,410]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="mediterraneus">
<emphasis id="B96FEA87A537FF8F89A0FE50FA28FE73" box="[1245,1436,385,410]" italics="true" pageId="11" pageNumber="312">S. mediterraneus</emphasis>
</taxonomicName>
by having three terminal setae on the antenna and reduced flagella articles (
<figureCitation id="13202A10A537FF8F8E9FFE70FB84FE52" box="[994,1072,418,443]" captionStart="FIGURE 4" captionStartId="9.[151,250,1471,1493]" captionTargetBox="[151,1432,197,1445]" captionTargetId="figure@9.[151,1436,193,1450]" captionTargetPageId="9" captionText="FIGURE 4. Some atypical species of Synapseudes. Synapseudes aflagellatus: A, antennule; B, antenna; C, maxilla; D, pereopod-1. Synapseudes mediterraneus: E, antennule; F, antenna; G, pleon and pleotelson, dorsal aspect; H, pleon andpleotelson, lateral aspect. Synapseudes shiinoi: I, antennule; J, right mandible with palp terminating in multiple setae. Synapseudes acroporae. K, carapace with lateral setulate setae and minute setae covering surface; L, pereonite-6, pleon and pleotelson, lateral aspect, showing same types of setation; M, chela of female with spiniform setae on mid-proximal region of propodus. Synapseudes violaceus: N, uropod with endopod bearing long setulate terminal seta. AD modified from Sieg (1986); EH; modified after Băcescu (1977); IJmodified from Riggio (1977); KN modified from Băcescu (1976)." httpUri="https://zenodo.org/record/1146381/files/figure.png" pageId="11" pageNumber="312">
Fig.
<date id="FFA51055A537FF8F896AFE71FB84FE52" box="[1047,1072,419,443]" pageId="11" pageNumber="312">4I</date>
</figureCitation>
), but is unique in having the last article of the mandibular palp terminating in a tight, broom-like cluster of about ten long setae (
<figureCitation id="13202A10A537FF8F89C2FE16FABAFE35" box="[1215,1294,452,477]" captionStart="FIGURE 4" captionStartId="9.[151,250,1471,1493]" captionTargetBox="[151,1432,197,1445]" captionTargetId="figure@9.[151,1436,193,1450]" captionTargetPageId="9" captionText="FIGURE 4. Some atypical species of Synapseudes. Synapseudes aflagellatus: A, antennule; B, antenna; C, maxilla; D, pereopod-1. Synapseudes mediterraneus: E, antennule; F, antenna; G, pleon and pleotelson, dorsal aspect; H, pleon andpleotelson, lateral aspect. Synapseudes shiinoi: I, antennule; J, right mandible with palp terminating in multiple setae. Synapseudes acroporae. K, carapace with lateral setulate setae and minute setae covering surface; L, pereonite-6, pleon and pleotelson, lateral aspect, showing same types of setation; M, chela of female with spiniform setae on mid-proximal region of propodus. Synapseudes violaceus: N, uropod with endopod bearing long setulate terminal seta. AD modified from Sieg (1986); EH; modified after Băcescu (1977); IJmodified from Riggio (1977); KN modified from Băcescu (1976)." httpUri="https://zenodo.org/record/1146381/files/figure.png" pageId="11" pageNumber="312">Fig. 4J</figureCitation>
), a character not exhibited by any other known members of the
<taxonomicName id="4C1B4D16A537FF8F8FB1FE37FCCDFE17" authorityName="sensu Bacescu" authorityYear="1976" box="[716,889,485,510]" class="Malacostraca" family="Metapseudidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="family">Metapseudidae</taxonomicName>
.
</paragraph>
<paragraph id="8BA43695A537FF8F8DBAFDD4FDBFFD0E" blockId="11.[151,1437,151,1343]" pageId="11" pageNumber="312">
Another Mediterranean species,
<taxonomicName id="4C1B4D16A537FF8F8F40FDD5FD6FFDF7" authorityName="Amar &amp; Cazaubon" authorityYear="1978" box="[573,731,519,542]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="cystoseirae">
<emphasis id="B96FEA87A537FF8F8F40FDD5FD6FFDF7" box="[573,731,519,542]" italics="true" pageId="11" pageNumber="312">S. cystoseirae</emphasis>
</taxonomicName>
, which has four long terminal setae on the antenna, may be related to
<taxonomicName id="4C1B4D16A537FF8F8C77FDFAFE7EFDA9" authorityName="Bacescu" authorityYear="1977" box="[266,458,551,576]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="mediterraneus">
<emphasis id="B96FEA87A537FF8F8C77FDFAFE7EFDA9" box="[266,458,551,576]" italics="true" pageId="11" pageNumber="312">S. mediterraneus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C1B4D16A537FF8F8F79FDFAFDDAFDA9" authorityName="Riggio" authorityYear="1973" box="[516,622,551,576]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="shiinoi">
<emphasis id="B96FEA87A537FF8F8F79FDFAFDDAFDA9" box="[516,622,551,576]" italics="true" pageId="11" pageNumber="312">S. shiinoi</emphasis>
</taxonomicName>
, but like most species of
<taxonomicName id="4C1B4D16A537FF8F8EEBFDF5FB91FDA9" authorityName="Miller" authorityYear="1940" box="[918,1061,551,576]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEA87A537FF8F8EEBFDF5FB91FDA9" box="[918,1061,551,576]" italics="true" pageId="11" pageNumber="312">Synapseudes</emphasis>
</taxonomicName>
, differs by having two and three articles, respectively, in the inner and outer antennular flagella and a mandibular palp with two terminal setae. It would be useful using molecular markers to attempt to determine if
<taxonomicName id="4C1B4D16A537FF8F8EE2FDB9FBE9FD6A" authorityName="Bacescu" authorityYear="1977" box="[927,1117,618,643]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="mediterraneus">
<emphasis id="B96FEA87A537FF8F8EE2FDB9FBE9FD6A" box="[927,1117,618,643]" italics="true" pageId="11" pageNumber="312">S. mediterraneus</emphasis>
</taxonomicName>
and
<taxonomicName id="4C1B4D16A537FF8F89EAFDB9FAB4FD6A" authorityName="Riggio" authorityYear="1973" box="[1175,1280,618,643]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="shiinoi">
<emphasis id="B96FEA87A537FF8F89EAFDB9FB11FD6B" box="[1175,1189,619,642]" italics="true" pageId="11" pageNumber="312">S</emphasis>
.
<emphasis id="B96FEA87A537FF8F89C9FDB8FAB4FD6A" box="[1204,1280,618,643]" italics="true" pageId="11" pageNumber="312">shiinoi</emphasis>
</taxonomicName>
were derived from isolated populations of
<taxonomicName id="4C1B4D16A537FF8F8C9FFD5FFDCAFD4D" authorityName="Amar &amp; Cazaubon" authorityYear="1978" box="[482,638,653,676]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="cystoseirae">
<emphasis id="B96FEA87A537FF8F8C9FFD5FFDCAFD4D" box="[482,638,653,676]" italics="true" pageId="11" pageNumber="312">S. cystoseirae</emphasis>
</taxonomicName>
, which had been dispersed into the Mediterranean Basin when it was breached by the Atlantic Ocean 5.3 million years ago during the catastrophic formation of the present-day Mediterranean Sea (
<bibRefCitation id="EF8A4B64A537FF8F8C05FD1CFE4BFD0E" author="Blanc" box="[376,511,718,743]" pageId="11" pageNumber="312" refString="Blanc, P. - L. (2002) The opening of the Plio-Quaternary Gibraltar Strait assessing the size of the cataclysm. Geodinamica Acta, 15, 303 - 317. https: // doi. org / 10.1080 / 09853111.2002.10510763" type="journal article" year="2002">Blanc 2002</bibRefCitation>
).
</paragraph>
<paragraph id="8BA43695A537FF8F8DBAFD3DFD02FBBC" blockId="11.[151,1437,151,1343]" pageId="11" pageNumber="312">
Several other species within
<taxonomicName id="4C1B4D16A537FF8F8F55FD3DFD03FCE1" authorityName="Miller" authorityYear="1940" box="[552,695,751,776]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEA87A537FF8F8F55FD3DFD03FCE1" box="[552,695,751,776]" italics="true" pageId="11" pageNumber="312">Synapseudes</emphasis>
</taxonomicName>
are inadequately described and illustrated. In the case of
<emphasis id="B96FEA87A537FF8F88FAFD22FE87FCC0" italics="true" pageId="11" pageNumber="312">
<taxonomicName id="4C1B4D16A537FF8F88FAFD22FE9BFCC0" authorityName="Pillai" authorityYear="1954" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="comorinensis">S. comorinensis</taxonomicName>
,
</emphasis>
which is very briefly described from Indian waters,
<bibRefCitation id="EF8A4B64A537FF8F8E00FCC3FBBEFCC3" author="Pillai" box="[893,1034,785,810]" pageId="11" pageNumber="312" refString="Pillai, N. K. (1954) A preliminary note on the Tanaidacea and Isopoda of Travancore. Bulletin of the Central Research Institute, University of Travancore, 3, 1 - 27." type="journal article" year="1954">Pillai (1954)</bibRefCitation>
specifically describes it as having a distinctly five jointed pleon and three articles (segments) in the uropodal exopod, features not present in other species of
<taxonomicName id="4C1B4D16A537FF8F8C6CFC86FE0DFC84" authorityName="Gutu" authorityYear="1972" box="[273,441,852,877]" class="Malacostraca" family="Metapseudidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="subFamily" subFamily="Synapseudinae">Synapseudinae</taxonomicName>
as defined here. Though not discussing the taxonomic status of
<taxonomicName id="4C1B4D16A537FF8F89E2FC87FF55FC67" authority=", Lang (1970)" authorityName=", Lang" authorityYear="1970" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="comorinensis">
<emphasis id="B96FEA87A537FF8F89E2FC87FAE6FC85" box="[1183,1362,853,876]" italics="true" pageId="11" pageNumber="312">S. comorinensis</emphasis>
,
<bibRefCitation id="EF8A4B64A537FF8F881FFC87FF55FC67" author="Lang" pageId="11" pageNumber="312" refString="Lang, K. (1970) Taxonomische und phylogenetische Untersuchungen uber die Tanaidaceen 4. Aufteilung der Apseudiden in vier Familien nebst Aufstellung von zwei Gattungen und einer Art der neuen Familie Leiopidae. Arkiv for Zoologi, Series 2, 22, 595 - 626." type="journal article" year="1970">Lang (1970)</bibRefCitation>
</taxonomicName>
presented a photograph showing the dorsal view of its pleon and pleotelson, which shows the vestiges of the first three pleonites.
<bibRefCitation id="EF8A4B64A537FF8F8CECFC45FDF3FC46" author="Bacescu" box="[401,583,919,943]" pageId="11" pageNumber="312" refString="Bacescu, M. (1977) Heterotanais longidactylus n. sp. and Synapseudes mediterraneus n. sp., Tanaidacea new for the eastern Mediterranean fauna. Revue Roumaine de Biologie, Serie de Biologie Animale, 22, 119 - 125." type="journal article" year="1977">Băcescu (1977)</bibRefCitation>
also considered
<taxonomicName id="4C1B4D16A537FF8F8E6BFC45FC7AFC47" authorityName=", Lang" authorityYear="1970" box="[790,974,919,942]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="comorinensis">
<emphasis id="B96FEA87A537FF8F8E6BFC45FC90FC47" box="[790,804,919,942]" italics="true" pageId="11" pageNumber="312">S</emphasis>
.
<emphasis id="B96FEA87A537FF8F8E44FC45FC7AFC47" box="[825,974,919,942]" italics="true" pageId="11" pageNumber="312">comorinensis</emphasis>
</taxonomicName>
as referable to
<taxonomicName id="4C1B4D16A537FF8F89E8FC44FA90FC46" authorityName="Miller" authorityYear="1940" box="[1173,1316,918,943]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEA87A537FF8F89E8FC44FA90FC46" box="[1173,1316,918,943]" italics="true" pageId="11" pageNumber="312">Synapseudes</emphasis>
</taxonomicName>
based on drawings sent to him by Pillai, which indicated the presence of just two recognizable pleonites. According to Băcescu, however, Pillais drawings also depicted a transverse row of dense setae on the first two pleonites, which is characteristic of some parapseudid and tanaidid genera, but unknown for the other described species of
<taxonomicName id="4C1B4D16A537FF8F8DEAFBCEFE92FBDC" authorityName="Miller" authorityYear="1940" box="[151,294,1052,1077]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="genus">
<emphasis id="B96FEA87A537FF8F8DEAFBCEFE92FBDC" box="[151,294,1052,1077]" italics="true" pageId="11" pageNumber="312">Synapseudes</emphasis>
</taxonomicName>
. Notwithstanding the apparent errors in the original description, Langs photograph supports the original generic designation for
<taxonomicName id="4C1B4D16A537FF8F8C83FBECFD1BFBBC" authorityName=", Lang" authorityYear="1970" box="[510,687,1086,1109]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="comorinensis">
<emphasis id="B96FEA87A537FF8F8C83FBECFD1BFBBC" box="[510,687,1086,1109]" italics="true" pageId="11" pageNumber="312">S. comorinensis</emphasis>
</taxonomicName>
.
</paragraph>
<paragraph id="8BA43695A537FF8F8DBAFB8CFA8AFAD7" blockId="11.[151,1437,151,1343]" pageId="11" pageNumber="312">
Besides
<taxonomicName id="4C1B4D16A537FF8F8C57FB8CFDEEFB9F" authorityName=", Lang" authorityYear="1970" box="[298,602,1118,1143]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="comorinensis">
<emphasis id="B96FEA87A537FF8F8C57FB8CFDEEFB9F" box="[298,602,1118,1143]" italics="true" pageId="11" pageNumber="312">Synapseudes comorinensis</emphasis>
</taxonomicName>
, other nominal species including
<taxonomicName id="4C1B4D16A537FF8F8E92FB8DFB11FB9E" authorityName="Bacescu" authorityYear="1976" box="[1007,1189,1118,1143]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="makkaveevae">
<emphasis id="B96FEA87A537FF8F8E92FB8DFB11FB9E" box="[1007,1189,1118,1143]" italics="true" pageId="11" pageNumber="312">S. makkaveevae</emphasis>
</taxonomicName>
,
<taxonomicName id="4C1B4D16A537FF8F89C4FB8DFA8BFB9E" authorityName="Menzies" authorityYear="1953" box="[1209,1343,1118,1143]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="hancocki">
<emphasis id="B96FEA87A537FF8F89C4FB8DFA8BFB9E" box="[1209,1343,1118,1143]" italics="true" pageId="11" pageNumber="312">S. hancocki</emphasis>
</taxonomicName>
, and
<taxonomicName id="4C1B4D16A537FF8F88FAFB8DFF4FFB71" authorityName="Gutu" authorityYear="2006" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="tomescui">
<emphasis id="B96FEA87A537FF8F88FAFB8DFF4FFB71" italics="true" pageId="11" pageNumber="312">S. tomescui</emphasis>
</taxonomicName>
need redescription or supplemental description based on type and/or topotypic material. Of these two species,
<taxonomicName id="4C1B4D16A537FF8F8D87FB70FECBFB53" authorityName="Menzies" authorityYear="1953" box="[250,383,1185,1210]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="hancocki">
<emphasis id="B96FEA87A537FF8F8D87FB70FECBFB53" box="[250,383,1185,1210]" italics="true" pageId="11" pageNumber="312">S. hancocki</emphasis>
</taxonomicName>
can be grouped with those species having a combination of two antennal flagella articles terminating in a single long seta, and an uropodal endopod with three articles.
<taxonomicName id="4C1B4D16A537FF8F8968FB10FAA5FB32" authorityName="Gutu" authorityYear="2006" box="[1045,1297,1218,1243]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="tomescui">
<emphasis id="B96FEA87A537FF8F8968FB10FAA5FB32" box="[1045,1297,1218,1243]" italics="true" pageId="11" pageNumber="312">Synapseudes tomescui</emphasis>
</taxonomicName>
is generally well-described and illustrated, except for the maxilliped and antenna, which are both important taxonomic and systematic characters, are not described or illustrated. As with
<taxonomicName id="4C1B4D16A537FF8F8E28FAD4FBB2FAF4" authorityName=", Lang" authorityYear="1970" box="[853,1030,1286,1309]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="comorinensis">
<emphasis id="B96FEA87A537FF8F8E28FAD4FBB2FAF4" box="[853,1030,1286,1309]" italics="true" pageId="11" pageNumber="312">S. comorinensis</emphasis>
</taxonomicName>
, the description and illustrations for
<taxonomicName id="4C1B4D16A537FF8F8DEAFAF5FEFCFAD6" authorityName="Bacescu" authorityYear="1976" box="[151,328,1318,1343]" class="Malacostraca" family="Metapseudidae" genus="Synapseudes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Tanaidacea" pageId="11" pageNumber="312" phylum="Arthropoda" rank="species" species="makkaveevae">
<emphasis id="B96FEA87A537FF8F8DEAFAF5FEFCFAD6" box="[151,328,1318,1343]" italics="true" pageId="11" pageNumber="312">S. makkaveevae</emphasis>
</taxonomicName>
are too incomplete and poorly executed to allow for any meaningful taxonomic comment.
</paragraph>
</subSubSection>
</treatment>
</document>