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<document id="8B859F9E66C581BC7D17CC9AC0868583" ID-CLB-Dataset="26509" ID-DOI="http://dx.doi.org/10.3897/evolsyst.3.35340" ID-GBIF-Dataset="8809e2b1-d129-4358-8d19-7171576ac4a8" ID-Pensoft-Pub="2535-0730-1-41" ID-ZooBank="D0E5C3D420BF46A3BFA72FA389CDCA17" ModsDocAuthor="" ModsDocDate="2019" ModsDocID="2535-0730-1-41" ModsDocOrigin="Evolutionary Systematics 3 (1)" ModsDocTitle="Boring Amphipods from Tasmania, Australia (Eophliantidae: Amphipoda: Crustacea)" checkinTime="1560378249638" checkinUser="pensoft" docAuthor="Hughes, Lauren Elizabeth &amp; Loerz, Anne-Nina" docDate="2019" docId="51D9D485E2EAA54E286F755602B602AA" docLanguage="en" docName="EvolutSyst 3(1): 41-52" docOrigin="Evolutionary Systematics 3 (1)" docSource="http://dx.doi.org/10.3897/evolsyst.3.35340" docTitle="Bircenna thieli Hughes &amp; Loerz, 2019, sp. nov." docType="treatment" docUuid="D35A87AA-A7B0-4171-AB48-EB261BBA182E" docUuidSource="ZooBank" docVersion="6" lastPageNumber="41" masterDocId="FF80D552D81B8C461D37CB11FFEEFC66" masterDocTitle="Boring Amphipods from Tasmania, Australia (Eophliantidae: Amphipoda: Crustacea)" masterLastPageNumber="52" masterPageNumber="41" pageNumber="41" updateTime="1701382420047" updateUser="ExternalLinkService">
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<mods:title id="5CE6B4650963DCF45E80A17B91029F16">Boring Amphipods from Tasmania, Australia (Eophliantidae: Amphipoda: Crustacea)</mods:title>
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<mods:name id="B8F7876C4403C5D0294BE29C1B869D05" type="personal">
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<mods:namePart id="3598C1DC70F1C550DD51F4A0E72D4723">Hughes, Lauren Elizabeth</mods:namePart>
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<mods:namePart id="1DAF1D08793DDA3F4B08ED3DF8F49C24">Loerz, Anne-Nina</mods:namePart>
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<mods:title id="AA169BB34212F8467EA3FCDF7258CE69">Evolutionary Systematics</mods:title>
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<mods:date id="FEE617D18F0D3E3E38CBFF52B9E24063">2019</mods:date>
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<mods:identifier id="5E6B0F6E398FDD9D183D22E238C727BA" type="DOI">http://dx.doi.org/10.3897/evolsyst.3.35340</mods:identifier>
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<treatment id="51D9D485E2EAA54E286F755602B602AA" ID-GBIF-Taxon="157527430" LSID="urn:lsid:zoobank.org:act:D35A87AA-A7B0-4171-AB48-EB261BBA182E" httpUri="http://treatment.plazi.org/id/51D9D485E2EAA54E286F755602B602AA" lastPageNumber="41" pageId="0" pageNumber="41">
<subSubSection id="B6D6E80B2EA1585DB71BDB8B4FEEC131" pageId="0" pageNumber="41" type="nomenclature">
<paragraph id="36A3CD1318D1A8CD2E44B57DE84A71DE" pageId="0" pageNumber="41">
<taxonomicName id="3BA4452137A8C7BB5CDBB8E6483E84A4" ID-CoL="7ZK2R" LSID="http://zoobank.org/D35A87AA-A7B0-4171-AB48-EB261BBA182E" class="Malacostraca" family="Eophliantidae" genus="Bircenna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bircenna thieli" order="Amphipoda" pageId="0" pageNumber="41" phylum="Arthropoda" rank="species" species="thieli">Bircenna thieli</taxonomicName>
<taxonomicNameLabel id="AA1A9014F2CEAD0A2374FF75A125135D" pageId="0" pageNumber="41">sp. nov.</taxonomicNameLabel>
Figs 4, 5, 6, 7, 8
</paragraph>
</subSubSection>
<subSubSection id="D456D3A3572BD9F0D1EFD048FFBC9DD8" pageId="0" pageNumber="41" type="type material">
<paragraph id="18903E19974AFCBACEB311F261EBA463" pageId="0" pageNumber="41">Type material.</paragraph>
<paragraph id="AF835F89DCBEA2580CDCC93DA03AF374" pageId="0" pageNumber="41">Holotype female, 6 mm, dissected, 2 slides, AM P.100645; paratype 1 b female, 7.5 mm, dissected, 3 slides, AM P.100646; paratypes 9 specimens, AM P.100647 (4 gravid females, 1 non-gravid female, 2 males, 2 juveniles).</paragraph>
<paragraph id="1E0F85CDC2546F18FDC223FD887D6C7E" pageId="0" pageNumber="41">Paratypes, SEM stubs: ZMH-K 45992, 5.5 mm (stub 2, entire animal); ZMH-K 45993, 5.4 mm, (stub 3, entire animal); ZMH_K-45994, (stub 4, head, urosome, body); ZMH-K 45995, 6.3 mm (stub 6 specimen at edge); ZMH-K 56619 (stub 5, mouthparts).</paragraph>
<paragraph id="CECF6B7962EEEC2BFCF6997A3BBEA299" pageId="0" pageNumber="41">
Bicheno, Tasmania, Australia,
<geoCoordinate id="29900F9122DF3969C5A49E3765EF4974" direction="south" orientation="latitude" precision="15" value="-41.874443">
41°52
<normalizedToken id="0F945B0FF180BCF37E3B278D74E6D4CC" originalValue="28”">'28&quot;</normalizedToken>
S
</geoCoordinate>
,
<geoCoordinate id="BCD7E4A6FD5F981539E29AD689F57BC1" direction="east" orientation="longitude" precision="15" value="148.30362">
148°18
<normalizedToken id="1D2A8D8B643581CC4E7A08FA5D8B610E" originalValue="13”">'13&quot;</normalizedToken>
E
</geoCoordinate>
, from macroalga
<taxonomicName id="5CEAF6F10CB1BEB4FAA62360CAAE88C6" class="Phaeophyceae" family="Durvillaeaceae" genus="Durvillaea" higherTaxonomySource="CoL" kingdom="Chromista" lsidName="Durvillaea potatorum" order="Durvillaeales" pageId="0" pageNumber="41" phylum="Ochrophyta" rank="species" species="potatorum">Durvillaea potatorum</taxonomicName>
(
<normalizedToken id="DC2DDDCFD26E68D9ED8456F9BD08C32A" originalValue="Labillardière">Labillardiere</normalizedToken>
) Areschoug, 1854, 20 September 2015, coll. M. Thiel.
</paragraph>
</subSubSection>
<subSubSection id="9588E75916FC258BA3A6ED03AA67F9E9" pageId="0" pageNumber="41" type="etymology">
<paragraph id="46224649AD9EADBDC1E5135AB06EE578" pageId="0" pageNumber="41">Etymology.</paragraph>
<paragraph id="93AACFA3E9F9E7868DC575CC12E32AD0" pageId="0" pageNumber="41">
Named for Martin Thiel in recognition of his extensive contribution to
<taxonomicName id="62668F9F885A81FAA36EA442169AB47D" lsidName="Crustacea" pageId="0" pageNumber="41" rank="subphylum" subphylum="Crustacea">Crustacea</taxonomicName>
studies and specifically the collection of material studied here.
</paragraph>
</subSubSection>
<subSubSection id="B4B9337E6E018BBA31F5830C01A07F5E" pageId="0" pageNumber="41" type="type locality">
<paragraph id="65293F0E6E42D444353DE36E947BBD69" pageId="0" pageNumber="41">Type locality.</paragraph>
<paragraph id="A26E281E7FCB336B7B67B3E9E091FC9B" pageId="0" pageNumber="41">Bicheno, Tasmania, Australia.</paragraph>
</subSubSection>
<subSubSection id="64EB3ABF9126A7AE79804A970932A2B2" pageId="0" pageNumber="41" type="description">
<paragraph id="3BE8A1132B9863337449238E4C9587BA" pageId="0" pageNumber="41">Description.</paragraph>
<paragraph id="D5547A4BA6EAF612F3DCDED4B82A3CF6" pageId="0" pageNumber="41">Body shape subcylindrical, head rounded. Cephalic sinus absent. Eyes round. Pereonite 1 ventral margin with collar. Coxae 1-5 small and discontiguous. Antennae 1 length subequal to antenna 2; flagellum with 5-7 articles. Antenna 2 flagellum with 5-6 articles. Upper lip rounded. Lower lip inner and outer lobes rounded; inner lobes apically setose. Mandible lacking palp; left incisor with 8 teeth, lacinia mobilis weakly developed; right mandible incisor with 6 teeth, 30% larger than left mandible. Maxilla 1 lacking palp; inner and outer plates slender, similar in width, with stout apical setae. Maxilliped inner plate long, subequal in length to outer plate, extending halfway along palp article 2, with 4 apical robust setae; palp 4-articulate, article 4 blunt.</paragraph>
<paragraph id="3092E4D7258AEB1AB0EBE405DBC520BA" pageId="0" pageNumber="41">Gnathopod 1 coxa bilobate, twice as broad as deep; ischium two-thirds of basis length, length twice breadth; merus and carpus subequal, length twice breadth; propodus parachelate, length 2.8 times breadth, palm pollex length subequal to width, subtriangular, apically acute; dactylus unguiform. Gnathopod 2 similar to gnathopod 1, with articles slightly greater in length; coxa small, subrectangular, twice as broad as deep; merus and carpus subequal, length twice breadth; propodus parachelate, length 3.4 times breadth, palm pollex length subequal to width, subtriangular, apically acute; dactylus unguiform. Pereopods 3-4 similar; coxae subrectangular (irregular); merus expanded anterodistally, anterodistal lobe with many small slender setae. Coxa 1, 2 and 3 less wide than their pereonite. Pereopods 5-7 increasing in length. Pereopod 5 basis subrectangular, posterior margin expanded, evenly convex; merus and carpus with posterior distal lobe well developed with many small slender setae; dactylus unguiform. Pereopod 6 basis as wide as long, posterior margin expanded subquadrate; merus and carpus with posterior distal lobe well developed with many small slender setae; dactylus unguiform. Pereopods 7 length twice the depth of pereonite 7; basis rounded, posterior margin convex, anterodistal lobe reaching beyond ischium; merus and carpus with posterior distal lobe well developed with many small slender setae; dactylus unguiform. Pleopods 1-3 biramus.</paragraph>
<paragraph id="696130C315FB5C09888E80B2D8976443" pageId="0" pageNumber="41">Epimeral plates 1-3 rectangular in shape. Epimeron 3 posterior margin pectinate, corner produced rounded. Urosomite 1 twice length of fused urosomites 2 and 3. Urosomite 3 posterior margin between uropod 2-3 produced acute to subacute. Uropod 1 peduncle shorter than outer ramus; outer ramus about two-thirds the length of inner ramus. Uropod 2 peduncle longer than outer ramus; outer ramus about 40% of inner ramus. Uropod 3 rami absent, subquadrate, with row of apical setae. Telson fleshy, deeply cleft, subquadrate; each lobe with a few apical setae.</paragraph>
</subSubSection>
<subSubSection id="47D8AF55369F423643A9967069046877" pageId="0" pageNumber="41" type="remarks">
<paragraph id="026FD4D058CF88AE3EDF2D9EBE44169E" pageId="0" pageNumber="41">Remarks.</paragraph>
<paragraph id="DF26A176604D24CF402281D950DB1A14" pageId="0" pageNumber="41">
The presence of the collar on pereonite 1 ventral margin places this species in the genus
<taxonomicName id="A0B686B93C01BA4606D25D2F00EB1FE7" class="Malacostraca" family="Eophliantidae" genus="Bircenna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bircenna" order="Amphipoda" pageId="0" pageNumber="41" phylum="Arthropoda" rank="genus">Bircenna</taxonomicName>
.
<taxonomicName id="18BE43713165D7ECE3EACB725896FEC6" class="Malacostraca" family="Eophliantidae" genus="Bircenna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bircenna thieli" order="Amphipoda" pageId="0" pageNumber="41" phylum="Arthropoda" rank="species" species="thieli">Bircenna thieli</taxonomicName>
sp. nov. is most similar to
<taxonomicName id="F6B9ABAD05FFA01B56D6E36627C42599" lsidName="B. macayi" pageId="0" pageNumber="41" rank="species" species="macayi">B. macayi</taxonomicName>
<bibRefCitation id="C8BA25A9BCD9EBABCE7E6DC1D1C57C66" author="Loerz, AN" journalOrPublisher="Journal of the Marine Biological Association of the United Kingdom" pageId="0" pageNumber="41" pagination="1055 - 1063" title="Algal-dwelling Eophliantidae (Amphipoda): description of a new species and key to the world species, with notes on their biogeography." url="https://doi.org/10.1017/S0025315409991317" volume="90" year="2010">
<normalizedToken id="D13B88108A809EA4A60D5BF06FE14923" originalValue="Lörz">Loerz</normalizedToken>
et al. 2010
</bibRefCitation>
from New Zealand. These species differ in the pereopods 5 to 7 merus posterodistal lobe which in more broad in
<taxonomicName id="37DCDAAC849B8BE7581DA62D2DD5D86E" lsidName="B. thieli" pageId="0" pageNumber="41" rank="species" species="thieli">B. thieli</taxonomicName>
sp. nov. The epimeron 3 in
<taxonomicName id="3D33C999ED246F952213070F361DC5C6" lsidName="B. thieli" pageId="0" pageNumber="41" rank="species" species="thieli">B. thieli</taxonomicName>
sp. nov. is produced rounded with the posterior margin pectinate, while in
<taxonomicName id="FDEF93D982570826D4DB2BCC513EA98D" lsidName="B. macayai" pageId="0" pageNumber="41" rank="species" species="macayai">B. macayai</taxonomicName>
. the margin is unproduced and smooth.
</paragraph>
<paragraph id="C2C1BDA5A556B84DB922EB2EE9CEEB47" pageId="0" pageNumber="41">
<taxonomicName id="6896D7F076F1B2E65418D6D843355E32" class="Malacostraca" family="Eophliantidae" genus="Bircenna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bircenna thieli" order="Amphipoda" pageId="0" pageNumber="41" phylum="Arthropoda" rank="species" species="thieli">Bircenna thieli</taxonomicName>
sp. nov. is similar to
<taxonomicName id="F40FB0C6785F0A2F3E545D788B698A5F" lsidName="B. fulva" pageId="0" pageNumber="41" rank="species" species="fulva">B. fulva</taxonomicName>
Chilton, 1884 based on the uropods 1 and 2 but the proportions are different in the length, with the outer ramus much shorter than the peduncle in
<taxonomicName id="158DB5A99C1305AC93917388A7F17F81" lsidName="B. thieli" pageId="0" pageNumber="41" rank="species" species="thieli">B. thieli</taxonomicName>
sp. nov.
</paragraph>
<paragraph id="145C742BBE3D9B9031197BEB96BC1A1E" pageId="0" pageNumber="41">
<taxonomicName id="D4C86A22B87224CC67DE15FF50060D2D" class="Malacostraca" family="Eophliantidae" genus="Bircenna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bircenna thieli" order="Amphipoda" pageId="0" pageNumber="41" phylum="Arthropoda" rank="species" species="thieli">Bircenna thieli</taxonomicName>
sp. nov. can be distinguished from
<taxonomicName id="C7B8775BC284AC0CA16105AC80B913D6" lsidName="B. hinojosai" pageId="0" pageNumber="41" rank="species" species="hinojosai">B. hinojosai</taxonomicName>
sp. nov. with which it co-occurs by the absence of paired rounded carina on urosomite 1. The pereopod 7 basis of
<taxonomicName id="0BB3E03B01BD60D4EDF344BD27AF3AC3" lsidName="B. thieli" pageId="0" pageNumber="41" rank="species" species="thieli">B. thieli</taxonomicName>
sp. nov. has an angled posteroventral margin, while in
<taxonomicName id="4D8BBCB4DD67C2576E5B77EDB5B39137" lsidName="B. hinojosai" pageId="0" pageNumber="41" rank="species" species="hinojosai">B. hinojosai</taxonomicName>
sp. nov. this margin is broadly rounded. Coxa of gnathopod 2 subrectangular in
<taxonomicName id="746AEA9BE78C7CFB971E654AC81E0225" lsidName="B. thieli" pageId="0" pageNumber="41" rank="species" species="thieli">B. thieli</taxonomicName>
sp. nov. and subtriangular in
<taxonomicName id="B1471A69D58CF7912C9439CE79E6191A" lsidName="B. hinojosai" pageId="0" pageNumber="41" rank="species" species="hinojosai">B. hinojosai</taxonomicName>
sp. nov.
</paragraph>
<caption id="2054411BB5DD02DC9B6E427FE4605FEA" pageId="0" pageNumber="41">
<paragraph id="E9C26CDBF3F1AE9E140D6F706C4533C4" pageId="0" pageNumber="41">
Figure 4.
<taxonomicName id="237C97A9895CDBFFA0E300F411E466C2" class="Malacostraca" family="Eophliantidae" genus="Bircenna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bircenna thieli" order="Amphipoda" pageId="0" pageNumber="41" phylum="Arthropoda" rank="species" species="thieli">Bircenna thieli</taxonomicName>
sp. nov. holotype female, 6 mm, AM P.100645, Bicheno, Tasmania, Australia. Scale bars: 0.1 mm.
</paragraph>
</caption>
<caption id="40A609CF1DD614F5C299C328662A24F9" pageId="0" pageNumber="41">
<paragraph id="1C2B84446BC225DE5455BCD3CB0AF40D" pageId="0" pageNumber="41">
Figure 5.
<taxonomicName id="9CE864E2EE155F07749A1FADCDC33DA9" class="Malacostraca" family="Eophliantidae" genus="Bircenna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bircenna thieli" order="Amphipoda" pageId="0" pageNumber="41" phylum="Arthropoda" rank="species" species="thieli">Bircenna thieli</taxonomicName>
sp. nov. holotype female, 6 mm, AM P.100645, Bicheno, Tasmania, Australia. Scale bars: 0.1 mm.
</paragraph>
</caption>
<caption id="212241569DD2618C687D0C6244D3D0CE" pageId="0" pageNumber="41">
<paragraph id="BC20B771BC9F91AE2306B649810DEE50" pageId="0" pageNumber="41">
Figure 6.
<taxonomicName id="AB4C9C469D8B541453B6CB1F20289091" class="Malacostraca" family="Eophliantidae" genus="Bircenna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bircenna thieli" order="Amphipoda" pageId="0" pageNumber="41" phylum="Arthropoda" rank="species" species="thieli">Bircenna thieli</taxonomicName>
sp. nov. paratype SEM, gender indet. 6.3 mm, rego no. ZMH-K 45992, Bicheno, Tasmania, Australia. Scale bars: Head, 100
<normalizedToken id="9045A18FDFA7FCEA0FB765AEF88C6FC7" originalValue="µm">µm</normalizedToken>
; Habitus, 1 mm.
</paragraph>
</caption>
<caption id="ED21ED3201976D57E992C01AC67ED513" pageId="0" pageNumber="41">
<paragraph id="C5FDFBD118A03CDA476A17498DBBE0E3" pageId="0" pageNumber="41">
Figure 7.
<taxonomicName id="DFB63765B63110C1E54334998B2D266B" class="Malacostraca" family="Eophliantidae" genus="Bircenna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bircenna thieli" order="Amphipoda" pageId="0" pageNumber="41" phylum="Arthropoda" rank="species" species="thieli">Bircenna thieli</taxonomicName>
sp. nov. paratype SEM, gender indet. rego no. ZMH-K 45993, Bicheno, Tasmania, Australia. Scale bars: 100
<normalizedToken id="F1284DAF1F40E7DE4852ABDC2684E860" originalValue="µm">µm</normalizedToken>
.
</paragraph>
</caption>
<caption id="BE85B59D27FA1A236B75F8C741F2CE77" pageId="0" pageNumber="41">
<paragraph id="C8BADC8CA73AAB4EF94B443491570A29" pageId="0" pageNumber="41">
Figure 8.
<taxonomicName id="67B2C4859D385705B47B7D247F9224E8" class="Malacostraca" family="Eophliantidae" genus="Bircenna" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Bircenna thieli" order="Amphipoda" pageId="0" pageNumber="41" phylum="Arthropoda" rank="species" species="thieli">Bircenna thieli</taxonomicName>
sp. nov. paratype SEM, gender indet, rego no. ZMH-K 45994 Bicheno, Tasmania, Australia. Scale bars: H, Ur, Ur* 100
<normalizedToken id="2C3FD1E1A2EAA24228F90DF052E39428" originalValue="µm">µm</normalizedToken>
; Ur*, 30
<normalizedToken id="FECD06703CF33FEF54901728C7177F79" originalValue="µm">µm</normalizedToken>
; ZMH-K 45995 Ur***, 20
<normalizedToken id="77A9EA4893D0CDAD21DBC6C7625ACBCA" originalValue="µm">µm</normalizedToken>
.
</paragraph>
</caption>
</subSubSection>
</treatment>
</document>