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<document ID-DOI="http://doi.org/10.5281/zenodo.3790011" ID-GBIF-Dataset="e943a8eb-b1e3-4328-9006-9508ba1f8fe2" ID-GBIF-Taxon="163749894" ID-ISSN="13132970" ID-Zenodo-Dep="3790011" ID-ZooBank="62840B5D-158B-46B8-99B7-C71B4259537A" LSID="urn:lsid:zoobank.org:act:038A9573-9E37-462D-B357-98445905FC21" approvalRequired="25" approvalRequired_for_textStreams="25" checkinTime="1587977433366" checkinUser="plazi" docAuthor="Taiti, Stefano &amp; Checcucci, Ilaria" docDate="2009" docId="3B7787EBA141A54AFF6BF9E3FE8C35B2" docLanguage="en" docName="ZK_article_2116.pdf" docOrigin="ZooKeys 31 (3)" docStyle="DocumentStylede.uka.ipd.idaho.easyIO.settings.Settings@3b7777ea" docStyleName="zookeys.2008.journal_article" docTitle="Platyarthrus alticolus Taiti &amp; Checcucci 2009, sp. n." docType="treatment" docUuid="038A9573-9E37-462D-B357-98445905FC21" docUuidSource="ZooBank" docVersion="5" lastPageId="19" lastPageNumber="92" masterDocId="C74EFF93A151A559FFE7FC5FFFBC3006" masterDocTitle="New species and records of terrestrial Isopoda (Crustacea, Oniscidea) from Socotra Island, Yemen" masterLastPageNumber="103" masterPageNumber="73" pageId="16" pageNumber="89" updateTime="1643565066823" updateUser="ExternalLinkService" zenodo-license-document="CC-BY-3.0">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>New species and records of terrestrial Isopoda (Crustacea, Oniscidea) from Socotra Island, Yemen</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Taiti, Stefano</mods:namePart>
<mods:affiliation>Istituto per lo Studio degli Ecosistemi, CNR, Sesto Fiorentino (Firenze) ,, Italy</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Checcucci, Ilaria</mods:namePart>
<mods:affiliation>Istituto per lo Studio degli Ecosistemi, CNR, Sesto Fiorentino (Firenze) ,, Italy</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2009</mods:date>
<mods:detail type="pubDate">
<mods:number>2009-12-28</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>31</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>3</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>73</mods:start>
<mods:end>103</mods:end>
</mods:extent>
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<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">10.3897/zookeys.31.140</mods:identifier>
<mods:identifier type="GBIF-Dataset">e943a8eb-b1e3-4328-9006-9508ba1f8fe2</mods:identifier>
<mods:identifier type="ISSN">13132970</mods:identifier>
<mods:identifier type="Zenodo-Dep">576582</mods:identifier>
<mods:identifier type="ZooBank">62840B5D-158B-46B8-99B7-C71B4259537A</mods:identifier>
</mods:mods>
<treatment ID-DOI="http://doi.org/10.5281/zenodo.3790011" ID-GBIF-Taxon="163749894" ID-Zenodo-Dep="3790011" LSID="urn:lsid:zoobank.org:act:038A9573-9E37-462D-B357-98445905FC21" httpUri="http://treatment.plazi.org/id/3B7787EBA141A54AFF6BF9E3FE8C35B2" lastPageId="19" lastPageNumber="92" pageId="16" pageNumber="89">
<subSubSection pageId="16" pageNumber="89" type="nomenclature">
<paragraph blockId="16.[140,952,1468,1531]" box="[140,698,1468,1495]" pageId="16" pageNumber="89">
<heading box="[140,698,1468,1495]" fontSize="11" level="2" pageId="16" pageNumber="89" reason="3">
<emphasis bold="true" box="[140,698,1468,1495]" pageId="16" pageNumber="89">
<taxonomicName authority="Taiti &amp; Checcucci" authorityName="Taiti &amp; Checcucci" authorityYear="2009" box="[140,621,1468,1495]" class="Malacostraca" family="Platyarthridae" genus="Platyarthrus" kingdom="Animalia" order="Isopoda" pageId="16" pageNumber="89" phylum="Arthropoda" rank="species" species="alticolus" status="sp. n.">
<emphasis bold="true" box="[140,398,1468,1495]" italics="true" pageId="16" pageNumber="89">Platyarthrus alticolus</emphasis>
Taiti &amp; Checcucci
</taxonomicName>
,
<taxonomicNameLabel box="[633,698,1469,1495]" pageId="16" pageNumber="89" rank="species">sp. n.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph blockId="16.[140,952,1468,1531]" box="[140,952,1504,1531]" pageId="16" pageNumber="89">
<uri box="[140,952,1504,1531]" pageId="16" pageNumber="89">
urn:lsid:zoobank.org:act:
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</uri>
</paragraph>
</subSubSection>
<subSubSection lastPageId="18" lastPageNumber="91" pageId="16" pageNumber="89" type="materials_examined">
<paragraph blockId="16.[140,1108,1574,1672]" pageId="16" pageNumber="89">
<emphasis bold="true" box="[140,373,1574,1600]" pageId="16" pageNumber="89">
<emphasis box="[140,241,1574,1600]" inLineHeading="true" pageId="16" pageNumber="89" reason="1">Material</emphasis>
examined.
</emphasis>
<materialsCitation ID-GBIF-Occurrence="2608861570" collectingDate="2003-01-22" collectorName="S. Taiti" country="Yemen" elevation="980" latitude="12.572194" location="Hagghier Mts" longLatPrecision="1" longitude="54.047054" municipality="Adho Dimelho" pageId="16" pageNumber="89" specimenCount="1" specimenCount-female="1" typeStatus="holotype">
<collectingCountry box="[381,470,1575,1601]" name="Yemen" pageId="16" pageNumber="89">Socotra</collectingCountry>
:
<specimenCount box="[482,521,1575,1601]" pageId="16" pageNumber="89" type="female">1 ♀</specimenCount>
<typeStatus box="[536,646,1575,1601]" pageId="16" pageNumber="89">Holotype</typeStatus>
,
<location LSID="urn:lsid:plazi:treatment:3B7787EBA141A54AFF6BF9E3FE8C35B2:B6016026A141A549FD73FA78FC8A3647" box="[660,822,1575,1601]" country="Yemen" latitude="12.572194" longLatPrecision="1" longitude="54.047054" municipality="Adho Dimelho" name="Hagghier Mts" pageId="16" pageNumber="89">Hagghier Mts</location>
,
<collectingMunicipality box="[836,1011,1575,1601]" pageId="16" pageNumber="89">Adho Dimelho</collectingMunicipality>
,
<quantity box="[1024,1103,1575,1601]" metricMagnitude="2" metricUnit="m" metricValue="9.8" pageId="16" pageNumber="89" unit="m" value="980.0">
<elevation box="[1024,1103,1575,1601]" metricMagnitude="2" metricUnit="m" metricValue="9.8" pageId="16" pageNumber="89" unit="m" value="980.0">980 m</elevation>
</quantity>
,
<geoCoordinate box="[140,298,1610,1636]" degrees="12" direction="north" minutes="34" orientation="latitude" pageId="16" pageNumber="89" precision="1" seconds="19.9" value="12.572194">12°34'19.9&quot;N</geoCoordinate>
<geoCoordinate box="[305,461,1610,1637]" degrees="54" direction="east" minutes="02" orientation="longitude" pageId="16" pageNumber="89" precision="1" seconds="49.4" value="54.047054">54°02'49.4&quot;E</geoCoordinate>
,
<date box="[471,586,1610,1636]" pageId="16" pageNumber="89" value="2003-01-22">
<collectingDate box="[471,586,1610,1636]" pageId="16" pageNumber="89" value="2003-01-22">22.I.2003</collectingDate>
</date>
, under stones in meadow, leg.
<collectorName box="[924,1005,1610,1636]" pageId="16" pageNumber="89">S. Taiti</collectorName>
, MZUF- 9227
</materialsCitation>
;
<materialsCitation ID-GBIF-Occurrence="2608861579" box="[213,657,1645,1672]" collectingDate="2003-01-22" collectorName="S. Taiti" country="Yemen" elevation="980" latitude="12.572194" location="Hagghier Mts" longLatPrecision="1" longitude="54.047054" municipality="Adho Dimelho" pageId="16" pageNumber="89" specimenCount="1" specimenCount-female="1" typeStatus="paratype">
<specimenCount box="[213,250,1645,1672]" pageId="16" pageNumber="89" type="female">1 ♀</specimenCount>
<typeStatus box="[265,365,1646,1672]" pageId="16" pageNumber="89">Paratype</typeStatus>
, same data, MZUF-9227
</materialsCitation>
.
</paragraph>
<caption ID-DOI="http://doi.org/10.5281/zenodo.3768206" ID-Zenodo-Dep="3768206" httpUri="https://zenodo.org/record/3768206/files/figure.png" pageId="17" pageNumber="90" startId="17.[140,211,1552,1574]" targetBox="[140,1108,172,1533]" targetPageId="17">
<paragraph blockId="17.[140,1109,1552,1607]" pageId="17" pageNumber="90">
<emphasis bold="true" box="[140,238,1552,1574]" pageId="17" pageNumber="90">Figure 5.</emphasis>
<taxonomicName authority="Taiti &amp; Checcucci, 2009" authorityName="Taiti &amp; Checcucci" authorityYear="2009" box="[243,458,1553,1574]" class="Malacostraca" family="Bathytropidae" genus="Dumetoniscus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Isopoda" pageId="17" pageNumber="90" phylum="Arthropoda" rank="species" species="graniticus" status="gen. n., sp. n.">
<emphasis box="[243,458,1553,1574]" italics="true" pageId="17" pageNumber="90">Dumetoniscus graniticus</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[463,588,1553,1574]" pageId="17" pageNumber="90" rank="species">gen. n., sp. n.</taxonomicNameLabel>
♀ from Adho Dimelho:
<emphasis bold="true" box="[820,839,1552,1574]" pageId="17" pageNumber="90">A</emphasis>
Right mandible
<emphasis bold="true" box="[995,1012,1552,1574]" pageId="17" pageNumber="90">B</emphasis>
Left mandible
<emphasis bold="true" box="[191,210,1584,1606]" pageId="17" pageNumber="90">C</emphasis>
Maxillule
<emphasis bold="true" box="[308,327,1584,1606]" pageId="17" pageNumber="90">D</emphasis>
Maxilla
<emphasis bold="true" box="[407,422,1584,1606]" pageId="17" pageNumber="90">E</emphasis>
Maxilliped
<emphasis bold="true" box="[532,546,1584,1606]" pageId="17" pageNumber="90">F</emphasis>
Uropod, lateral view. ♁ from Adho Dimelho
<emphasis bold="true" box="[968,988,1584,1606]" pageId="17" pageNumber="90">G</emphasis>
Pereiopod 1.
</paragraph>
</caption>
<paragraph blockId="18.[186,1107,91,115]" box="[186,1107,91,115]" pageId="18" pageNumber="91">
<emphasis box="[186,1023,91,115]" italics="true" pageId="18" pageNumber="91">
New species and records of terrestrial
<taxonomicName box="[529,599,91,115]" class="Arachnida" kingdom="Animalia" order="Isopoda" pageId="18" pageNumber="91" phylum="Arthropoda" rank="order">Isopoda</taxonomicName>
(Crustacea,
<taxonomicName authorityName="Latreille" authorityYear="1802" box="[717,811,91,115]" class="Gastropoda" family="Cassidae" genus="Oniscidea" higherTaxonomySource="GBIF" kingdom="Animalia" order="Littorinimorpha" pageId="18" pageNumber="91" phylum="Mollusca" rank="genus">Oniscidea</taxonomicName>
) from
<collectingCountry box="[874,1009,91,115]" name="Socotra Island" pageId="18" pageNumber="91">Socotra Island</collectingCountry>
...
</emphasis>
91
</paragraph>
</subSubSection>
<paragraph pageId="18" pageNumber="91">D A B E C F</paragraph>
<caption pageId="18" pageNumber="91">
<paragraph blockId="18.[140,1108,1554,1608]" pageId="18" pageNumber="91">
<emphasis bold="true" box="[140,238,1554,1576]" pageId="18" pageNumber="91">Figure 6.</emphasis>
<taxonomicName authority="Taiti &amp; Checcucci, 2009" authorityName="Taiti &amp; Checcucci" authorityYear="2009" box="[244,459,1554,1575]" class="Malacostraca" family="Bathytropidae" genus="Dumetoniscus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Isopoda" pageId="18" pageNumber="91" phylum="Arthropoda" rank="species" species="graniticus" status="gen. n., sp. n.">
<emphasis box="[244,459,1554,1575]" italics="true" pageId="18" pageNumber="91">Dumetoniscus graniticus</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[465,591,1554,1575]" pageId="18" pageNumber="91" rank="species">gen. n., sp. n.</taxonomicNameLabel>
♁ from Adho Dimelho:
<emphasis bold="true" box="[825,844,1554,1576]" pageId="18" pageNumber="91">A</emphasis>
Pereiopod 7
<emphasis bold="true" box="[966,983,1554,1576]" pageId="18" pageNumber="91">B</emphasis>
Pleopod 1
<emphasis bold="true" box="[1089,1108,1554,1576]" pageId="18" pageNumber="91">C</emphasis>
Pleopod 2
<emphasis bold="true" box="[240,259,1586,1608]" pageId="18" pageNumber="91">D</emphasis>
Pleopod 3 exopod
<emphasis bold="true" box="[439,454,1586,1608]" pageId="18" pageNumber="91">E</emphasis>
Pleopod 4 exopod
<emphasis bold="true" box="[633,647,1586,1608]" pageId="18" pageNumber="91">F</emphasis>
Pleopod 5 exopod.
</paragraph>
</caption>
<subSubSection pageId="19" pageNumber="92" type="diagnosis">
<paragraph blockId="19.[140,1108,166,1460]" pageId="19" pageNumber="92">
<emphasis bold="true" box="[185,312,166,192]" pageId="19" pageNumber="92">
<emphasis box="[185,307,166,192]" inLineHeading="true" pageId="19" pageNumber="92" reason="1">Diagnosis</emphasis>
.
</emphasis>
A species of
<emphasis box="[452,575,167,193]" italics="true" pageId="19" pageNumber="92">Platyarthus</emphasis>
characterized by the dorsal ornamentation with two bosses on vertex and two prominent and two shallow ribs per side on pereionites 16 and two prominent ribs per side on pereionite 7, two paramedian ribs on pleonites 35, and very short telson with obtuse triangular distal part.
</paragraph>
</subSubSection>
<subSubSection pageId="19" pageNumber="92" type="description">
<paragraph blockId="19.[140,1108,166,1460]" pageId="19" pageNumber="92">
<emphasis bold="true" box="[185,339,307,333]" pageId="19" pageNumber="92">
<emphasis box="[185,333,307,333]" inLineHeading="true" pageId="19" pageNumber="92" reason="1">Description</emphasis>
.
</emphasis>
Maximum length:
<quantity box="[562,658,308,334]" metricMagnitude="-3" metricUnit="m" metricValue="4.1" pageId="19" pageNumber="92" unit="mm" value="4.1">4.1 mm</quantity>
. Body very convex, colourless (
<figureCitation captionStart="Figure 7" captionStartId="20.[140,212,1335,1357]" captionText="Figure 7. Platyarthrus alticolus sp. n. ♀ from Adho Dimelho: A Adult specimen, dorsal view B Adult specimen, lateral view C dorsal scale-seta D Cephalon, dorsal view E Pleonites 4 and 5, telson and uropods F Antenna." pageId="19" pageNumber="92">Fig. 7A, B</figureCitation>
). Dorsal ornamentation: cephalon with two paramedian large bosses on vertex; pereionites 16 with two more internal prominent ribs and two more external shallow ribs per side; pereionite 7 with two prominent ribs per side; pleonites 35 with two paramedian ribs. Dorsum with many rounded and flattened scale-setae (
<figureCitation captionStart="Figure 7" captionStartId="20.[140,212,1335,1357]" captionText="Figure 7. Platyarthrus alticolus sp. n. ♀ from Adho Dimelho: A Adult specimen, dorsal view B Adult specimen, lateral view C dorsal scale-seta D Cephalon, dorsal view E Pleonites 4 and 5, telson and uropods F Antenna." pageId="19" pageNumber="92">Fig. 7C</figureCitation>
). Cephalon (
<figureCitation box="[328,419,483,510]" captionStart="Figure 7" captionStartId="20.[140,212,1335,1357]" captionText="Figure 7. Platyarthrus alticolus sp. n. ♀ from Adho Dimelho: A Adult specimen, dorsal view B Adult specimen, lateral view C dorsal scale-seta D Cephalon, dorsal view E Pleonites 4 and 5, telson and uropods F Antenna." pageId="19" pageNumber="92">Fig. 7D</figureCitation>
) with median lobe broadly rounded, protruding frontwards and slightly hollow dorsally; lateral lobes subquadrangular, tranversely directed frontwards; eye absent. Pereionite 1 with posterior corners right-angled, becoming progressively more acute in the following pereionites. Pleonites 35 with epimera quadrangular, directed backwards. Telson (
<figureCitation box="[637,724,624,651]" captionStart="Figure 7" captionStartId="20.[140,212,1335,1357]" captionText="Figure 7. Platyarthrus alticolus sp. n. ♀ from Adho Dimelho: A Adult specimen, dorsal view B Adult specimen, lateral view C dorsal scale-seta D Cephalon, dorsal view E Pleonites 4 and 5, telson and uropods F Antenna." pageId="19" pageNumber="92">Fig. 7E</figureCitation>
) very short, about three times as wide as long, with an obtuse triangular distal part, covering just a small part of uropodal protopods. Antenna (
<figureCitation box="[460,545,695,721]" captionStart="Figure 7" captionStartId="20.[140,212,1335,1357]" captionText="Figure 7. Platyarthrus alticolus sp. n. ♀ from Adho Dimelho: A Adult specimen, dorsal view B Adult specimen, lateral view C dorsal scale-seta D Cephalon, dorsal view E Pleonites 4 and 5, telson and uropods F Antenna." pageId="19" pageNumber="92">Fig. 7F</figureCitation>
) with thickset peduncular articles; second flagellar article about five times as long as first. Uropods (
<figureCitation box="[752,839,730,756]" captionStart="Figure 7" captionStartId="20.[140,212,1335,1357]" captionText="Figure 7. Platyarthrus alticolus sp. n. ♀ from Adho Dimelho: A Adult specimen, dorsal view B Adult specimen, lateral view C dorsal scale-seta D Cephalon, dorsal view E Pleonites 4 and 5, telson and uropods F Antenna." pageId="19" pageNumber="92">Fig. 7E</figureCitation>
) with thickset exopod, shorter than protopod.
</paragraph>
</subSubSection>
<subSubSection pageId="19" pageNumber="92" type="etymology">
<paragraph blockId="19.[140,1108,166,1460]" pageId="19" pageNumber="92">
<emphasis bold="true" box="[185,320,800,826]" pageId="19" pageNumber="92">
<emphasis box="[185,315,800,826]" inLineHeading="true" pageId="19" pageNumber="92" reason="1">Etymology</emphasis>
.
</emphasis>
Latin
<taxonomicName authorityName="Taiti &amp; Checcucci" authorityYear="2009" box="[399,487,800,826]" class="Malacostraca" family="Platyarthridae" genus="Platyarthrus" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="92" phylum="Arthropoda" rank="species" species="alticolus">
<emphasis box="[399,487,800,826]" italics="true" pageId="19" pageNumber="92">alticolus</emphasis>
</taxonomicName>
= living at altitude. The name refers to the collecting site of the species at ca.
<quantity box="[408,497,836,862]" metricMagnitude="3" metricUnit="m" metricValue="1.0" pageId="19" pageNumber="92" unit="m" value="1000.0">1000 m</quantity>
elevation on the Hagghier Mts.
</paragraph>
</subSubSection>
<subSubSection pageId="19" pageNumber="92" type="discussion">
<paragraph blockId="19.[140,1108,166,1460]" pageId="19" pageNumber="92">
<emphasis bold="true" box="[185,298,871,897]" pageId="19" pageNumber="92">
<emphasis box="[185,293,871,897]" inLineHeading="true" pageId="19" pageNumber="92" reason="1">Remarks</emphasis>
.
</emphasis>
The genus
<taxonomicName authorityName="Brandt" authorityYear="1833" box="[427,560,871,897]" class="Malacostraca" family="Platyarthridae" genus="Platyarthrus" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="92" phylum="Arthropoda" rank="genus">
<emphasis box="[427,560,871,897]" italics="true" pageId="19" pageNumber="92">Platyarthrus</emphasis>
</taxonomicName>
currently includes 28 species (
<bibRefCitation author="Schmalfuss H" box="[904,1099,871,897]" pageId="19" pageNumber="92" pagination="1 - 341" refId="ref13712" refString="Schmalfuss H (2003) World catalog of terrestrial isopods (Isopoda: Oniscidea). Stuttgarter Beitrage zur Naturkunde, Serie A, 654: 1 - 341." type="journal article" year="2003">Schmalfuss 2003</bibRefCitation>
) mainly distributed in the Mediterranean area, with a few species from the Atlantic islands and west to
<collectingCountry box="[336,451,941,967]" name="Tajikistan" pageId="19" pageNumber="92">Tajikistan</collectingCountry>
. One species,
<taxonomicName authority="Chopra, 1924" authorityName="Chopra" authorityYear="1924" box="[605,889,941,967]" class="Malacostraca" family="Platyarthridae" genus="Platyarthrus" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="92" phylum="Arthropoda" rank="species" species="acropyga">
<emphasis box="[605,722,942,967]" italics="true" pageId="19" pageNumber="92">P. acropyga</emphasis>
<bibRefCitation author="Chopra B" box="[728,889,941,967]" pageId="19" pageNumber="92" pagination="523 - 528" refId="ref13127" refString="Chopra B (1924) The fauna of an island in the Chilka Lake. On two myrmecophilous isopods from Barkuda. Records of the Indian Museum 26: 523 - 528." type="journal article" year="1924">Chopra, 1924</bibRefCitation>
</taxonomicName>
, has been described from Chilka Lake,
<collectingCountry box="[355,418,976,1002]" name="India" pageId="19" pageNumber="92">India</collectingCountry>
. In the
<collectingCountry box="[504,589,976,1002]" name="Yemen" pageId="19" pageNumber="92">Socotra</collectingCountry>
Archipelago only the introduced species
<emphasis italics="true" pageId="19" pageNumber="92">
Platyarthus
<taxonomicName authorityName="Budde-Lund" authorityYear="1885" box="[226,307,1011,1037]" class="Malacostraca" family="Platyarthridae" genus="Platyarthrus" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="92" phylum="Arthropoda" rank="species" species="schoblii">schoblii</taxonomicName>
</emphasis>
was previously recorded (
<bibRefCitation author="Taiti S &amp; Ferrara F" box="[597,857,1011,1038]" pageId="19" pageNumber="92" pagination="211 - 325" refId="ref14061" refString="Taiti S, Ferrara F (2004) The terrestrial Isopoda (Crustacea: Oniscidea) of the Socotra Archipelago. Fauna of Arabia 20: 211 - 325." type="journal article" year="2004">Taiti and Ferrara 2004</bibRefCitation>
).
</paragraph>
<paragraph blockId="19.[140,1108,166,1460]" pageId="19" pageNumber="92">
Even if only two female specimens were collected,
<taxonomicName authority="Taiti &amp; Checcucci, 2009" authorityName="Taiti &amp; Checcucci" authorityYear="2009" box="[776,1007,1047,1073]" class="Malacostraca" family="Platyarthridae" genus="Platyarthrus" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="92" phylum="Arthropoda" rank="species" species="alticolus" status="sp. n.">
<emphasis box="[776,1007,1047,1073]" italics="true" pageId="19" pageNumber="92">Platyarthrus alticolus</emphasis>
</taxonomicName>
<taxonomicNameLabel box="[1017,1080,1047,1073]" pageId="19" pageNumber="92" rank="species">sp. n.</taxonomicNameLabel>
is worth of a description because of its peculiar dorsal ornamentation and the high probability of being authocthonous on
<collectingCountry box="[540,706,1117,1143]" name="Socotra Island" pageId="19" pageNumber="92">Socotra Island</collectingCountry>
. It belongs to the
<taxonomicName authorityName="Budde-Lund" authorityYear="1885" box="[919,1000,1117,1143]" class="Malacostraca" family="Platyarthridae" genus="Platyarthrus" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="92" phylum="Arthropoda" rank="species" species="schoblii">
<emphasis box="[919,1000,1117,1143]" italics="true" pageId="19" pageNumber="92">schoblii</emphasis>
</taxonomicName>
-group of species, characterized by the short telson and dorsal longitudinal ribs on the pereion. For the presence of four dorsal ribs per side on the pereionites 1
<specimenCount box="[865,906,1187,1213]" pageId="19" pageNumber="92" type="generic">
6
<taxonomicName authorityName="Taiti &amp; Checcucci" authorityYear="2009" box="[887,906,1188,1213]" class="Malacostraca" family="Platyarthridae" genus="Platyarthrus" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="92" phylum="Arthropoda" rank="species" species="alticolus">
<emphasis box="[887,906,1188,1213]" italics="true" pageId="19" pageNumber="92">P.</emphasis>
</taxonomicName>
</specimenCount>
alticolus is similar to
<taxonomicName authority="Verhoeff, 1931" authorityName="Verhoeff" authorityYear="1931" box="[171,491,1223,1249]" class="Malacostraca" family="Platyarthridae" genus="Platyarthrus" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="92" phylum="Arthropoda" rank="species" species="sorrentinus">
<emphasis box="[171,314,1223,1248]" italics="true" pageId="19" pageNumber="92">P. sorrentinus</emphasis>
<bibRefCitation author="Verhoeff K" box="[321,491,1223,1249]" pageId="19" pageNumber="92" pagination="489 - 572" refId="ref14271" refString="Verhoeff K (1931) Uber Isopoda terrestria aus Italien. 45. Isopoden-Aufsatz. Zoologische Jahrbucher, Abteilung fur Systematik, Okologie und Geographie der Tiere, 60: 489 - 572, pls 6 - 8." type="journal article" year="1931">Verhoeff, 1931</bibRefCitation>
</taxonomicName>
from southern
<collectingCountry box="[669,721,1223,1249]" name="Italy" pageId="19" pageNumber="92">Italy</collectingCountry>
. All the other species in the group have five or six longitudinal ribs per side on pereionites 16. It is readily distinguishable from
<taxonomicName authorityName="Verhoeff" authorityYear="1931" box="[258,402,1294,1319]" class="Malacostraca" family="Platyarthridae" genus="Platyarthrus" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="92" phylum="Arthropoda" rank="species" species="sorrentinus">
<emphasis box="[258,402,1294,1319]" italics="true" pageId="19" pageNumber="92">P. sorrentinus</emphasis>
</taxonomicName>
in having two prominent and two more shallow ribs per side instead of all with the same development, and in having two large bosses instead of ribs on the cephalic vertex (compare Pl. 8 fig.
<quantity box="[667,728,1363,1390]" metricMagnitude="0" metricUnit="m" metricValue="1.0922" pageId="19" pageNumber="92" unit="in" value="43.0">43 in</quantity>
<bibRefCitation author="Verhoeff K" box="[735,898,1363,1390]" pageId="19" pageNumber="92" pagination="489 - 572" refId="ref14271" refString="Verhoeff K (1931) Uber Isopoda terrestria aus Italien. 45. Isopoden-Aufsatz. Zoologische Jahrbucher, Abteilung fur Systematik, Okologie und Geographie der Tiere, 60: 489 - 572, pls 6 - 8." type="journal article" year="1931">Verhoeff 1931</bibRefCitation>
for
<taxonomicName authorityName="Verhoeff" authorityYear="1931" box="[947,1090,1364,1389]" class="Malacostraca" family="Platyarthridae" genus="Platyarthrus" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="92" phylum="Arthropoda" rank="species" species="sorrentinus">
<emphasis box="[947,1090,1364,1389]" italics="true" pageId="19" pageNumber="92">P. sorrentinus</emphasis>
</taxonomicName>
). This last character distinguishes the new species also from all the other species of the
<taxonomicName authorityName="Budde-Lund" authorityYear="1885" box="[140,221,1434,1460]" class="Malacostraca" family="Platyarthridae" genus="Platyarthrus" kingdom="Animalia" order="Isopoda" pageId="19" pageNumber="92" phylum="Arthropoda" rank="species" species="schoblii">
<emphasis box="[140,221,1434,1460]" italics="true" pageId="19" pageNumber="92">schoblii</emphasis>
</taxonomicName>
-group.
</paragraph>
</subSubSection>
</treatment>
</document>