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<document id="7E5A3B5CA894790B3EEFAFA0CE91DC1B" ID-CLB-Dataset="28169" ID-DOI="http://dx.doi.org/10.3897/subtbiol.21.11181" ID-GBIF-Dataset="e0776cb5-76b4-4f5c-8548-bea6887cb1ff" ID-Pensoft-Pub="1314-2615--57" ID-ZooBank="B3A9CF95F44047EE839CD03AE7F9159C" ModsDocAuthor="" ModsDocDate="2017" ModsDocID="1314-2615--57" ModsDocOrigin="Subterranean Biology " ModsDocTitle="A new genus for Cirolanatroglexuma Botosaneanu &amp; Iliffe, 1997, an anchialine cave dwelling cirolanid isopod (Crustacea, Isopoda, Cirolanidae) from the Bahamas" checkinTime="1553126973713" checkinUser="pensoft" docAuthor="Bruce, Niel L., Brix, Saskia, Balfour, Nicholas, Kihara, Terue C., Weigand, Alexander M., Mehterian, Sevag &amp; Iliffe, Thomas M." docDate="2017" docId="C036E43A7FC1C5708B89064A7D101C7E" docLanguage="en" docName="SubterBiol 21: 57-92" docOrigin="Subterranean Biology 21" docSource="http://dx.doi.org/10.3897/subtbiol.21.11181" docTitle="Lucayalana Bruce &amp; Brix, gen. n." docType="treatment" docUuid="81A33124-9267-415A-9789-A928BC9CC466" docUuidSource="ZooBank" docVersion="6" lastPageNumber="65" masterDocId="5517FFE05C63DC050777FFF33E75EE33" masterDocTitle="A new genus for Cirolanatroglexuma Botosaneanu &amp; Iliffe, 1997, an anchialine cave dwelling cirolanid isopod (Crustacea, Isopoda, Cirolanidae) from the Bahamas" masterLastPageNumber="92" masterPageNumber="57" pageNumber="62" updateTime="1701380215095" updateUser="ExternalLinkService">
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<mods:title id="CB97FE74ACE45BE155092E55A686CB71">A new genus for Cirolanatroglexuma Botosaneanu &amp; Iliffe, 1997, an anchialine cave dwelling cirolanid isopod (Crustacea, Isopoda, Cirolanidae) from the Bahamas</mods:title>
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<mods:namePart id="D22753C7982D5D469EB04A27D1D9DFA3">Bruce, Niel L.</mods:namePart>
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<mods:namePart id="B4B7522E7A63666E288A4D23EA4C3E4F">Brix, Saskia</mods:namePart>
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<mods:namePart id="D043B74BEC0A8B45577B3A5F9179FDBA">Balfour, Nicholas</mods:namePart>
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<mods:namePart id="D7B3CB6F7E3A2BD4A257E53F80241D71">Kihara, Terue C.</mods:namePart>
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<mods:namePart id="334F7128545CB7DA366C2F9CBA1CA986">Weigand, Alexander M.</mods:namePart>
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<mods:namePart id="012CC1C8C6EB47664D1DA4EE5B2102C7">Mehterian, Sevag</mods:namePart>
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<mods:namePart id="36A5B6F08F398871B26BF27A7CC0CBFB">Iliffe, Thomas M.</mods:namePart>
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<mods:title id="62C7611BFC328179FC90BC78B53AFC18">Subterranean Biology</mods:title>
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<mods:date id="F84EFE01B292FF38B919FFB950A3EA96">2017</mods:date>
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<mods:number id="91C52B25B018A919F489503CAF649581">21</mods:number>
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<mods:identifier id="D6937E77480B6FBFDA3E900539491538" type="Pensoft-Pub">1314-2615--57</mods:identifier>
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<treatment id="C036E43A7FC1C5708B89064A7D101C7E" ID-GBIF-Taxon="154474286" LSID="urn:lsid:zoobank.org:act:81A33124-9267-415A-9789-A928BC9CC466" httpUri="http://treatment.plazi.org/id/C036E43A7FC1C5708B89064A7D101C7E" lastPageId="8" lastPageNumber="65" pageId="5" pageNumber="62">
<subSubSection id="1B455A521307E95129EA86E40EE39D0F" pageId="5" pageNumber="62" type="nomenclature">
<paragraph id="075B718DF9117A92D3204D8F87A060FF" pageId="5" pageNumber="62">
<taxonomicName id="DE64D4C3C1BFD1C54FC7133EA5A6DE76" ID-CoL="7PN48" LSID="http://zoobank.org/81A33124-9267-415A-9789-A928BC9CC466" authority="Bruce &amp; Brix" class="Malacostraca" family="Cirolanidae" genus="Lucayalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lucayalana" order="Isopoda" pageId="5" pageNumber="62" phylum="Arthropoda" rank="genus">Lucayalana Bruce &amp; Brix</taxonomicName>
<taxonomicNameLabel id="16BFADA12AFEF2A11F03F86333A913AF" pageId="5" pageNumber="62">gen. n.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection id="63D568F9B0579C6007551CAE997814E4" lastPageId="6" lastPageNumber="63" pageId="5" pageNumber="62" type="diagnosis">
<paragraph id="06FE27E27B7A047589E25940B0A9E64B" pageId="5" pageNumber="62">Diagnosis</paragraph>
<paragraph id="C03E4162A2F4317B04C857B7318AB164" lastPageId="6" lastPageNumber="63" pageId="5" pageNumber="62">
(female). Head without rostral point. Frontal lamina short, narrow, less than 7% width of labrum, not extending to anterior margin of head; clypeus ventrally flat, not blade-like, not projecting. Pleonite 3 extending posteriorly to posterior of pleonite 5, laterally overlapping pleonites 4 and 5; ventrally broad, forming a strong ventrally directed blade; pleonite 5 as wide as pleotelson anterior margin; pleonites all visible in dorsal view. Pereopods 1-7 ambulatory, slender; dactylus short, less than half length of propodus. Pereopods 1-3 with ischium superior distal margins weakly produced, sparsely setose; merus superior distal margin weakly produced, not overriding propodus; pereopods 1-3 merus inferior margin RS not molariform; pereopods 5-7 basis without long PMS, ischium and merus distally without long setae. Vasa deferentia opening flush on sternite. Pleopod 1 rami sub-similar in width, exopod about
<pageBreakToken id="E15188F51B92D34B718C165C7E709D61" pageId="6" pageNumber="63" start="start">⅔</pageBreakToken>
width exopod, peduncle wider than long. Uropodal rami lamellar, subequal in size, with marginal robust and plumose setae.
</paragraph>
</subSubSection>
<subSubSection id="602170970B56BA4C635BA407951563EB" pageId="6" pageNumber="63" type="description">
<paragraph id="B010FFBEFC76FEF5529FDB784E82E8A0" pageId="6" pageNumber="63">Description.</paragraph>
<paragraph id="BF15C4521D7F4E8332E2E31FBA9AE843" pageId="6" pageNumber="63">Head approximately 65% as wide as pereonite 1, anterior margin sub-truncate, rostrum absent. Body surfaces unornamented; pereonite 1 about 1.7 times as long as pereonite 2 in dorsal view. Pleon unornamented, about 16% BL, with 5 visible unfused segments, pleonite 1 partly visible in dorsal view; pleonite 2 posterolateral margin weakly produced; those of pleonite 3 extending to posterior of pleonite 5. Pleotelson without longitudinal carinae, ridges or without tubercles; posterior margin with PMS and RS.</paragraph>
<paragraph id="B3A82289FB7B11E2900B765FA42E14A0" pageId="6" pageNumber="63">Antennula peduncle articles 1 and 2 not fused; peduncular article 2 at right angles to article 1; articles 1 and 2 short, combined length about length of article 3; articles 2 and 3 collinear flagellum 1.4x longer than peduncle; without callynophore. Antenna peduncle comprised of 5 articles, peduncular articles 1-3 shortest, articles 4 and 5 longest, 5 longer than 4; flagellum about twice as long as peduncle.</paragraph>
<paragraph id="4890A8C9633763D0AFEE3D3E8AA93223" pageId="6" pageNumber="63">Frontal lamina short, ventrally flat, lanceolate, not extending to anterior margin of antennal peduncle, posteriorly abutting clypeus. Clypeus ventral surface not projecting relative to frontal lamina. Mandible incisors wide, right incisor tricuspidate; spine row with 4-5 RS. Maxillule mesial lobe with 3 CP RS. Maxilliped palp article 4 mesial margin weakly lobed; lateral margins of articles 2-5 with long setae; articles 3 and 4 distal margin width greater than proximal margin of article 4 and 5 respectively; endite with 2 coupling hooks.</paragraph>
<paragraph id="E3714C7056980B2A752DB78F9E4F0C28" pageId="6" pageNumber="63">Pereopods 1-7 dactylus with elongate secondary unguis present. Pereopod 1 dactylus shorter than palm; simple RS opposing dactylus. Pereopod 7 basis not noticeably broader in distal half compared to proximal half; margins with few discontinuous setae; ischium and merus not flattened, distal margin weakly expanded, inferior margins with few setae; inferodistal angles of ischium.</paragraph>
<paragraph id="C342B4974305EE74006C808B8C1454F8" pageId="6" pageNumber="63">Pleopod 1 rami lamellar; endopod about 0.6 as wide as exopod, 2.4 times as long as wide. Pleopod 2 appendix masculina longer than endopod. Pleopods 1-5 with PMS present on all exopods and endopods of pleopods 1-4; endopod of pleopod 5 with small proximomesial lobe. Uropod peduncle mesial margin strongly produced; exopod lateral margin not excised.</paragraph>
</subSubSection>
<subSubSection id="E388F7C8E5E2B5964CE3EFE225FFC67F" pageId="6" pageNumber="63" type="male">
<paragraph id="716F71A78C278EC545375D40352D18B3" pageId="6" pageNumber="63">Male.</paragraph>
<paragraph id="EFAE958E9A024BAC0DAF8B3D0257A2B0" pageId="6" pageNumber="63">To date only one male specimen (described herein) has been collected. Appendix masculina inserted basally, slender; penial processes flat, quadrate, widely separate lobes.</paragraph>
</subSubSection>
<subSubSection id="6649E31F87914BBB80B9FED26200BB8D" pageId="6" pageNumber="63" type="type species">
<paragraph id="3B1D61CABFB1E8B71AC8483251262FD9" pageId="6" pageNumber="63">Type species.</paragraph>
<paragraph id="904848460DE05A76D27F821E6F8E60D8" pageId="6" pageNumber="63">
<taxonomicName id="4562B4FE883146D39A398CAFE4A8E270" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana troglexuma" order="Isopoda" pageId="6" pageNumber="63" phylum="Arthropoda" rank="species" species="troglexuma">Cirolana troglexuma</taxonomicName>
Botosaneanu &amp; Iliffe, 1997; by monotypy and original designation.
</paragraph>
</subSubSection>
<subSubSection id="B71B53F492E630DC8171284E4BEE0D2A" lastPageId="8" lastPageNumber="65" pageId="6" pageNumber="63" type="remarks">
<paragraph id="C26C34305343D7F56E114FC51E53BF43" pageId="6" pageNumber="63">Remarks.</paragraph>
<paragraph id="1C71D5F81D06037B6DE37962548B2F56" lastPageId="7" lastPageNumber="64" pageId="6" pageNumber="63">
<taxonomicName id="139F5247C1547D9D09986EFDC0B4A2CC" class="Malacostraca" family="Cirolanidae" genus="Lucayalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lucayalana" order="Isopoda" pageId="6" pageNumber="63" phylum="Arthropoda" rank="genus">Lucayalana</taxonomicName>
gen. n. presents a suite of characters little derived from free-living cirolanid genera such as
<taxonomicName id="3D39E95E9D2E60AA64EDCB519EAF03EF" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana" order="Isopoda" pageId="6" pageNumber="63" phylum="Arthropoda" rank="genus">Cirolana</taxonomicName>
, reflected by the original placing of
<taxonomicName id="B433BC88FCECFEDEDEC1FC6FDD9BD83D" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana troglexuma" order="Isopoda" pageId="6" pageNumber="63" phylum="Arthropoda" rank="species" species="troglexuma">Cirolana troglexuma</taxonomicName>
in that genus (
<bibRefCitation id="A121BAEC903D08C61E82334F5CB808C3" pageId="6" pageNumber="63">Botosaneanu and Iliffe 1997</bibRefCitation>
). The pleon, mouthparts, pereopods and pleopods are relatively unmodified and these characters differ to that seen in many of the subterranean or stygial genera. Typical of stygian cirolanids, the genus lacks eyes, the antennular and antennal flagellum are relatively elongate and the pereopods are somewhat slender. Characters that exclude the species from
<taxonomicName id="52473D96CDEE310513F071172354CF5B" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana" order="Isopoda" pageId="6" pageNumber="63" phylum="Arthropoda" rank="genus">Cirolana</taxonomicName>
<pageBreakToken id="63F23E11204D65DDC84195574BB379E6" pageId="7" pageNumber="64" start="start">are</pageBreakToken>
the short and narrow frontal lamina (vs ventrally flat, pentagonal or quadrate and relatively wide, and extending between antennular bases to the anterior margin of head in
<taxonomicName id="D691B4AD4174E8C28A8527F798B12E25" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Cirolana</taxonomicName>
), antennula peduncle articles 1 and 2 being at approximately right angles (co-linear in
<taxonomicName id="A4DED38032A4B8EB4085F4E81E6A38BD" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Cirolana</taxonomicName>
), with article 3 being slightly longer (1.1) than the combined lengths of articles 1 and 2 (shorter in
<taxonomicName id="3D82E5C0A2674B915ECAC54CDA5C946F" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Cirolana</taxonomicName>
); and the lack of tubercular robust setae on the inferior margin of the merus of pereopods 1-3 (present in
<taxonomicName id="D9BC9BAE73A4C7E6E799C3959C985F17" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Cirolana</taxonomicName>
). The shape of the anterior margin of the head is unusual in being subtruncate, although this does vary within genera. Species of
<taxonomicName id="EBA7F6927D9DC447B82C1ABE3F193AED" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Cirolana</taxonomicName>
with a rounded anterior margin to the head that lacks a rostral point all belong to the
<normalizedToken id="A06ADFBD21BC9EF6469C40C731EF5105" originalValue="‘tuberculate’">'tuberculate'</normalizedToken>
group of species (see
<bibRefCitation id="8E8FE1A067F043CBEA53027446F5B347" author="Bruce, NL" pageId="18" pageNumber="75" url="https://doi.org/10.3853/j.0812-7387.6.1986.98" year="1986">Bruce 1986</bibRefCitation>
;
<bibRefCitation id="D139CC255AA7580F56DFE6CCE63DDA93" pageId="7" pageNumber="64">Bruce 1995</bibRefCitation>
), characterized by the presence of dorsal tubercles on the pereonites, pleon and pleotelson and also with a characteristic discontinuous pattern or robust setae on the uropodal exopod lateral margin.
</paragraph>
<paragraph id="2C4F87EA0B8B40C80B06283FAA9DCE66" pageId="7" pageNumber="64">
The difference in frontal lamina shape and size between
<taxonomicName id="2F440887414A26E2EA6EAA8E47508328" class="Malacostraca" family="Cirolanidae" genus="Lucayalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lucayalana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Lucayalana</taxonomicName>
and
<taxonomicName id="BCDB8A0301084AD538112F1BE18EA087" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Cirolana</taxonomicName>
is substantial. In
<taxonomicName id="9E75DA79363592CD4865D609D3D5D064" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Cirolana</taxonomicName>
the frontal lamina is pentagonal, with five straight margins, as is seen in the type species
<taxonomicName id="E32FD8B5114538337BA8FB3E7F87A3FE" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana cranchii" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="species" species="cranchii">Cirolana cranchii</taxonomicName>
Leach, 1818 (see
<bibRefCitation id="C3946BBA133C3B5106D0891A98500275" pageId="7" pageNumber="64">Bruce and Ellis 1983</bibRefCitation>
) and species
<taxonomicName id="73E811CD9142A0B975E416A3E6A7F3F7" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Cirolana</taxonomicName>
'
<taxonomicName id="5F1AFF9D37F30998AA8B1224ECFA243A" genus="Cymothooidea" lsidName="Cymothooidea parva" pageId="7" pageNumber="64" rank="species" species="parva">parva</taxonomicName>
-
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(see
<bibRefCitation id="BC85A2ED3000867690B61EE774F69998" pageId="7" pageNumber="64">Bruce and Bowman 1982</bibRefCitation>
,
<bibRefCitation id="14033CA704FA9EE6D8E215AA9A379AB2" pageId="7" pageNumber="64">Bruce 2004</bibRefCitation>
), or quadrate with two more-or-less straight and parallel lateral margins and a rounded or truncate anterior margin that may or may not project (e.g.
<bibRefCitation id="8E5AB5604296C4E54F6F7F55FF782370" pageId="7" pageNumber="64">Bruce 1995</bibRefCitation>
,
<bibRefCitation id="6C09FB9FBEFB9F0946AB457265AA62C3" pageId="7" pageNumber="64">Bruce and Brandt 2006</bibRefCitation>
). In most species of
<taxonomicName id="338D2B00C4DC1E397F020920E73F316C" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Cirolana</taxonomicName>
the frontal lamina extends anteriorly past the antennula bases (see previous citations), and ranges in proportion from 1.5 to 3.0 as long as posterior width. In
<taxonomicName id="29B138AB5D6C5A8C8C1CCEF29BA32DCC" class="Malacostraca" family="Cirolanidae" genus="Lucayalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lucayalana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Lucayalana</taxonomicName>
the frontal lamina is short, lacks the broad flat ventral surface and does not extend anteriorly beyond the antennula and has two weakly convex lateral margins that form an acute or narrowly rounded point. The frontal lamina
<taxonomicName id="C3D1D77C0ED0C0CFAFDCE713C053C4AA" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Cirolana</taxonomicName>
can be considered
<normalizedToken id="1F9D0FB081881F1D1755BE5303A97C3C" originalValue="broad–that">broad-that</normalizedToken>
is the posterior width is approximately 0.4 (40%) the width of the clypeus; in
<taxonomicName id="564C453306F8F3D0FCF7CF14B208984D" class="Malacostraca" family="Cirolanidae" genus="Lucayalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lucayalana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Lucayalana</taxonomicName>
the posterior width is less than 10% (c. 0.07) the width of the clypeus.
</paragraph>
<paragraph id="57AB01A3B3B51C4601CAEC7AF048E26C" lastPageId="8" lastPageNumber="65" pageId="7" pageNumber="64">
Pleon morphology is generally consistent within cirolanid genera with regard to a characters such as fusion, extent of the pleonite posterolateral margins, expansion of posterolateral margins and also relative size of the pleon (as a percentage of total body length) and the number of visible somites.
<bibRefCitation id="D1BEB602B18160EAEB7748DD77B52FD5" pageId="7" pageNumber="64">Bowman (1975</bibRefCitation>
, fig. 9) summarised and illustrated nine types of pleonal arrangement from full fusion of all pleonites and pleotelson to all pleonites unfused. The pleon type of
<taxonomicName id="F680C9179C37DFD87F77AA66EC18827B" class="Malacostraca" family="Cirolanidae" genus="Lucayalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lucayalana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Lucayalana</taxonomicName>
does not conform to any of these and is similar to the pleon morphology shown by species of the
<taxonomicName id="A43D0BC27F81A52BB601B442BBBAF8F5" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Cirolana</taxonomicName>
&quot;
<taxonomicName id="150E622237E6A4E7C563CD673368CFA4" genus="Cymothooidea" lsidName="Cymothooidea parva" pageId="7" pageNumber="64" rank="species" species="parva">parva</taxonomicName>
-group&quot; (see
<bibRefCitation id="34B57E71E38547C8A3ABC5CAE309EEEF" pageId="7" pageNumber="64">Bruce 2004</bibRefCitation>
), and also
<taxonomicName id="1E0DD1B84ED3FF97D71095B4684B8A90" class="Malacostraca" family="Cirolanidae" genus="Antrolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Antrolana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Antrolana</taxonomicName>
Bowman, 1964, where pleonites 3 and 4 both extend posteriorly to or beyond or the anterior margin of the pleotelson, with pleonite 3 laterally overlapping pleonites 4 and 5; pleonites 4 and 5 are not narrower than the anterior margin of the pleon. A similar pleon morphology is also shown by genera such as
<taxonomicName id="353B66B7B14D8A6BE0327CF1E672A6C9" class="Malacostraca" family="Cirolanidae" genus="Aatolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Aatolana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Aatolana</taxonomicName>
Bruce, 1993 and
<taxonomicName id="F0DFC36F089D85E96EF95B42446B4641" class="Malacostraca" family="Cirolanidae" genus="Plakolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Plakolana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Plakolana</taxonomicName>
Bruce, 1993 and also the unrelated genus
<taxonomicName id="07A654F3D211A6414EF3CD289A5160D2" class="Malacostraca" family="Cirolanidae" genus="Dolicholana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Dolicholana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Dolicholana</taxonomicName>
Bruce, 1986, but in that case the posterolateral margins of pleonite 3 are expanded.
<taxonomicName id="1589F34A82CBD7C2F116D7990B92699C" class="Malacostraca" family="Cirolanidae" genus="Lucayalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lucayalana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Lucayalana</taxonomicName>
differs from the genera mentioned in that the ventral part of pleonite 3 is expanded and forms a strongly developed and ventrally directed blade, a character lacking in
<taxonomicName id="0421325BDBB3745FC559AC30E02FEBD1" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Cirolana</taxonomicName>
; furthermore species of
<taxonomicName id="A8086FD7C273063E6951CA51C2F2547E" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana" order="Isopoda" pageId="7" pageNumber="64" phylum="Arthropoda" rank="genus">Cirolana</taxonomicName>
typically have a short pleon (c. 10-12% of total body length) with pleonite1 largely or wholly concealed
<pageBreakToken id="132C1E221F73173F2BC7FD5AA4A66955" pageId="8" pageNumber="65" start="start">by</pageBreakToken>
pereonite 7 in dorsal view; in
<taxonomicName id="B640AD01B1FD6E821DE4FABEA07382A8" class="Malacostraca" family="Cirolanidae" genus="Lucayalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lucayalana" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Lucayalana</taxonomicName>
pleonite 1 is dorsally largely visible and consequently the pleon is proportionally longer (16% body length).
</paragraph>
<paragraph id="E3955DA78DCDA0F2EC4FDA36E9F1E7DE" pageId="8" pageNumber="65">
The most similar genus is the monotypic
<taxonomicName id="9AC26ABA4262150B25FF4B5D5C7FED44" class="Malacostraca" family="Cirolanidae" genus="Antrolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Antrolana" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Antrolana</taxonomicName>
, known only from freshwater caves in Virginia and West Virginia, USA.
<taxonomicName id="D8F24D8CFA9B1618B7CE7E5875584616" class="Malacostraca" family="Cirolanidae" genus="Antrolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Antrolana" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Antrolana</taxonomicName>
differs in having antennula peduncular articles co-linear, and article 2 notable longer than in the new genus; pleonite 3 posterolateral margins that do not extend posteriorly beyond pleonite 4 (vs extending to anterior margin of pleotelson), the endopods of pleopods 3-5 are significantly smaller than exopod (vs rami subsimilar). There are other differences between the two genera though we would be reluctant to attach generic significance to them at this
<normalizedToken id="2BF3EF80CDB1B13C941C10E39B87C238" originalValue="point–these">point-these</normalizedToken>
include shorter pereopodal dactylus, lack of penial processes, and in
<taxonomicName id="B9956B0DEC9CB8DD7668FD915BFCC71C" class="Malacostraca" family="Cirolanidae" genus="Lucayalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lucayalana" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Lucayalana</taxonomicName>
a subtruncate anterior margin of the head. The molecular delineation based on COI likewise demonstrates that our species of
<taxonomicName id="139657DABF2575F87BAB2BA93EAF8E19" class="Malacostraca" family="Cirolanidae" genus="Lucayalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lucayalana" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Lucayalana</taxonomicName>
and
<taxonomicName id="C2537FC0B88CB3FDA148CD336E130B32" class="Malacostraca" family="Cirolanidae" genus="Antrolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Antrolana lira" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="species" species="lira">Antrolana lira</taxonomicName>
are genetically distinct.
</paragraph>
<paragraph id="BDA90BADC91DAE820428ED9DE7522DD9" pageId="8" pageNumber="65">
There are three other genera that are superficially similar to
<taxonomicName id="F6E264766228FF22D0067AA1ABAF5BF2" class="Malacostraca" family="Cirolanidae" genus="Lucayalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lucayalana" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Lucayalana</taxonomicName>
, but all can be separated by one or more distinct and easily observed characters. The genus
<taxonomicName id="C2DF83085ED2BF18000D1CE158134CE4" class="Malacostraca" family="Cirolanidae" genus="Haptolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Haptolana" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Haptolana</taxonomicName>
Bowman, 1966 (worldwide, and see
<bibRefCitation id="83A2BD0B3636FBB5F46CC29F92F2F31F" pageId="8" pageNumber="65">Bruce 2008</bibRefCitation>
) has haptorial pereopods and an anteriorly wide frontal lamina;
<taxonomicName id="1662CA626DDD351018B97324CE3A8794" class="Malacostraca" family="Cirolanidae" genus="Speocirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Speocirolana" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Speocirolana</taxonomicName>
<normalizedToken id="3D1C3BAB961294DD57A129EAA71C02C5" originalValue="Bolívar">Bolivar</normalizedToken>
y Pieltain, 1950 (
<normalizedToken id="1B9E0E2DE5D766E81F681310AFAC6832" originalValue="Texas–Mexico">Texas-Mexico</normalizedToken>
region) has pleonites 4 and 5 distinctly narrower than the pleotelson anterior margin and also has haptorial pereopods. Molecular data available for two species of
<taxonomicName id="811CE3D9BA4A75330D97B638ACDEB296" class="Malacostraca" family="Cirolanidae" genus="Speocirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Speocirolana" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Speocirolana</taxonomicName>
, show that
<taxonomicName id="1006C5D720B6133EFD8458AD5E39C4FB" class="Malacostraca" family="Cirolanidae" genus="Lucayalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lucayalana" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Lucayalana</taxonomicName>
is distinct.
<taxonomicName id="15C8D4602BE5F3404694979C0181EE9A" class="Malacostraca" family="Cirolanidae" genus="Sphaeromides" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sphaeromides" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Sphaeromides</taxonomicName>
Dollfus, 1897 (France, Bulgaria and former Yugoslavia) has an elongate frontal lamina that is widest distally and anterior pereopods with haptorial dactylus; and pleopod 1 endopod is elongate, 3.5 times as long as wide (
<bibRefCitation id="4859D54E55DE5734842B6C5090984B40" pageId="8" pageNumber="65">Racovitza 1912</bibRefCitation>
).
</paragraph>
<paragraph id="B7BD09EEAD9FC8EA7DAC5287F42EF911" pageId="8" pageNumber="65">
The monotypic
<taxonomicName id="B8DC1CBB6369280AE8171BFB70C682FB" class="Malacostraca" family="Cirolanidae" genus="Exumalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Exumalana" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Exumalana</taxonomicName>
Botosaneanu &amp; Iliffe, 2003 (also Bahamas) superficially appears distinct from
<taxonomicName id="C077366704878BB328A6E454E8765764" class="Malacostraca" family="Cirolanidae" genus="Lucayalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lucayalana" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Lucayalana</taxonomicName>
gen. n., with a far wider body shape, and wide, broadly rounded pleotelson. The appendages, notably antennae, antennulae, mouthparts and pereopods do not markedly differ from free-living genera similar to
<taxonomicName id="62308C2739ED482A83C7454DF9E99DE6" class="Malacostraca" family="Cirolanidae" genus="Cirolana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cirolana" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Cirolana</taxonomicName>
or
<taxonomicName id="A1C4894BFF7F737D571D67B422F8270E" class="Malacostraca" family="Cirolanidae" genus="Lucayalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lucayalana" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Lucayalana</taxonomicName>
gen. n. In contrast
<taxonomicName id="4F84BB0CBBC7F0DACD1E20E081C812CF" class="Malacostraca" family="Cirolanidae" genus="Exumalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Exumalana" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Exumalana</taxonomicName>
has a long, wide and anteriorly rounded frontal lamina (vs short anteriorly acute in
<taxonomicName id="C92E6DF1F4723A941F29135CDE8811D0" class="Malacostraca" family="Cirolanidae" genus="Lucayalana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Lucayalana" order="Isopoda" pageId="8" pageNumber="65" phylum="Arthropoda" rank="genus">Lucayalana</taxonomicName>
), the anterior margin of the head is smoothly rounded with a rostral point (vs truncate, no rostral point), and the uropodal peduncle is broad and flat, with rounded rami the exopod of which is less than half the length of peduncle and about 0.6 length of endopod (vs rami longer than peduncle, distally acute).
</paragraph>
</subSubSection>
<subSubSection id="2FC5483EC7C9F933ECA56C911A2913B2" pageId="8" pageNumber="65" type="etymology">
<paragraph id="FB95024CBCCC84DEAC5F8EC2B376FFDE" pageId="8" pageNumber="65">Etymology.</paragraph>
<paragraph id="926C615AAB2AE7782716BF6F8217E25E" pageId="8" pageNumber="65">The name is derived from the Lucayan peoples, the original inhabitants of the Bahamas.</paragraph>
</subSubSection>
</treatment>
</document>
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