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<mods:title id="B146FDBD8BBF09483D84035B33BA4333">Species of the Maera - clade collected from Japan. Part 2: genera Austromaera Lowry &amp; Springthorpe, 2005 and Quadrimaera Krapp-Schickel &amp; Ruffo, 2000 (Crustacea: Amphipoda: Maeridae)</mods:title>
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<treatment id="894F3B29FFE631167596FE2A2088FAC1" ID-DOI="http://doi.org/10.5281/zenodo.5316958" ID-GBIF-Taxon="154532538" ID-Zenodo-Dep="5316958" LSID="urn:lsid:plazi:treatment:894F3B29FFE631167596FE2A2088FAC1" httpUri="http://treatment.plazi.org/id/894F3B29FFE631167596FE2A2088FAC1" lastPageNumber="462" pageId="2" pageNumber="462">
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<paragraph id="01598A3FFFE631167596FE2A2086FE5D" blockId="2.[151,747,471,531]" box="[151,680,471,498]" pageId="2" pageNumber="462">
<heading id="5A113D53FFE631167596FE2A2086FE5D" bold="true" box="[151,680,471,498]" fontSize="11" level="1" pageId="2" pageNumber="462" reason="1">
<taxonomicName id="C6E6F1BCFFE631167596FE2A2086FE5D" ID-CoL="7NS4W" authority="Lowry &amp; Springthorpe, 2005" authorityName="Lowry &amp; Springthorpe" authorityYear="2005" box="[151,680,471,498]" class="Malacostraca" family="Maeridae" genus="Austromaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="462" phylum="Arthropoda" rank="genus">
<emphasis id="3392562DFFE631167596FE2A2086FE5D" bold="true" box="[151,680,471,498]" pageId="2" pageNumber="462">
<emphasis id="3392562DFFE631167596FE2A231BFE5E" bold="true" box="[151,309,471,497]" italics="true" pageId="2" pageNumber="462">Austromaera</emphasis>
<bibRefCitation id="6577F7CEFFE63116743DFE252086FE5D" author="Lowry, J. K. &amp; Springthorpe, R. T." box="[316,680,472,498]" pageId="2" pageNumber="462" pagination="237 - 302" refId="ref14859" refString="Lowry, J. K. &amp; Springthorpe, R. T. (2005) New and little-known melitid amphipods from Australian waters (Crustacea: Amphipoda: Melitidae). Records of the Australian Museum, 57, 237 - 302. https: // doi. org / 10.3853 / j. 0067 - 1975.57.2005.1463" type="journal article" year="2005">Lowry &amp; Springthorpe, 2005</bibRefCitation>
</emphasis>
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</heading>
</paragraph>
<paragraph id="01598A3FFFE631167596FE0620C5FDBD" blockId="2.[151,747,471,531]" box="[151,747,506,531]" pageId="2" pageNumber="462">[Japanese name: Minami-sunnariyokoebi-zoku, new]</paragraph>
</subSubSection>
<subSubSection id="49FCD9B4FFE631167596FDBE26FEFDF7" box="[151,1232,578,600]" pageId="2" pageNumber="462" type="reference_group">
<paragraph id="01598A3FFFE631167596FDBE26FEFDF7" blockId="2.[151,1232,578,600]" box="[151,1232,578,600]" pageId="2" pageNumber="462">
<treatmentCitationGroup id="21F6AD11FFE631167596FDBE26FEFDF7" box="[151,1232,578,600]" pageId="2" pageNumber="462">
<taxonomicName id="C6E6F1BCFFE631167596FDBE2057FDF7" ID-CoL="7NS4W" authority="Lowry &amp; Springthorpe, 2005: 241" authorityName="Lowry &amp; Springthorpe" authorityPageNumber="241" authorityYear="2005" box="[151,633,578,600]" class="Malacostraca" family="Maeridae" genus="Austromaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="462" phylum="Arthropoda" rank="genus">
<emphasis id="3392562DFFE631167596FDBE2335FDF7" box="[151,283,579,600]" italics="true" pageId="2" pageNumber="462">Austromaera</emphasis>
<treatmentCitation id="8047AC2EFFE631167421FDBE2057FDF7" author="Lowry, J. K. &amp; Springthorpe, R. T." box="[288,633,578,600]" page="241" pageId="2" pageNumber="462" year="2005">
<bibRefCitation id="6577F7CEFFE631167421FDBE2065FDF7" author="Lowry, J. K. &amp; Springthorpe, R. T." box="[288,587,578,600]" pageId="2" pageNumber="462" pagination="237 - 302" refId="ref14859" refString="Lowry, J. K. &amp; Springthorpe, R. T. (2005) New and little-known melitid amphipods from Australian waters (Crustacea: Amphipoda: Melitidae). Records of the Australian Museum, 57, 237 - 302. https: // doi. org / 10.3853 / j. 0067 - 1975.57.2005.1463" type="journal article" year="2005">Lowry &amp; Springthorpe, 2005</bibRefCitation>
: 241
</treatmentCitation>
</taxonomicName>
.—
<treatmentCitation id="8047AC2EFFE631167796FDBF21B1FDF7" author="Krapp-Schickel, T." box="[663,927,578,600]" page="27" pageId="2" pageNumber="462" year="2008">
<bibRefCitation id="6577F7CEFFE631167796FDBF2152FDF7" author="Krapp-Schickel, T." box="[663,892,578,600]" pageId="2" pageNumber="462" pagination="3 - 32" refId="ref14242" refString="Krapp-Schickel, T. (2008) What has happened with the Maera - clade (Crustacea, Amphipoda) during the last decades? Bollettino del Museo Civico di Storia Naturale di Ferona, 32, 3 - 32." type="journal article" year="2008">Krapp-Schickel, 2008</bibRefCitation>
: 27
</treatmentCitation>
.—
<treatmentCitation id="8047AC2EFFE6311676BCFDBF26E3FDF7" author="Lowry, J. K. &amp; Myers, A. A." box="[957,1229,578,600]" page="36" pageId="2" pageNumber="462" year="2013">
<bibRefCitation id="6577F7CEFFE6311676BCFDBF2688FDF7" author="Lowry, J. K. &amp; Myers, A. A." box="[957,1190,578,600]" pageId="2" pageNumber="462" pagination="1 - 80" refId="ref14803" refString="Lowry, J. K. &amp; Myers, A. A. (2013) A phylogeny and classification of the Senticaudata subord. nov. (Crustacea: Amphipoda). Zootaxa, 3610 (1), 1 - 80. https: // doi. org / 10.11646 / zootaxa. 3610.1.1" type="journal article" year="2013">Lowry &amp; Myers, 2013</bibRefCitation>
: 36
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.
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</paragraph>
</subSubSection>
<subSubSection id="49FCD9B4FFE631167596FD782172FD31" box="[151,860,645,670]" pageId="2" pageNumber="462" type="materials_examined">
<paragraph id="01598A3FFFE631167596FD782172FD31" blockId="2.[151,1437,645,1390]" box="[151,860,645,670]" pageId="2" pageNumber="462">
<emphasis id="3392562DFFE631167596FD78231CFD31" bold="true" box="[151,306,645,670]" pageId="2" pageNumber="462">
<typeStatus id="DE5D349DFFE631167596FD7822FCFD31" box="[151,210,645,670]" pageId="2" pageNumber="462">Type</typeStatus>
species.
</emphasis>
<taxonomicName id="C6E6F1BCFFE631167438FD7B20F7FD31" authority="Haswell, 1879" authorityName="Haswell" authorityYear="1879" box="[313,729,645,670]" class="Malacostraca" family="Melitidae" genus="Megamoera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="462" phylum="Arthropoda" rank="species" species="mastersii">
<emphasis id="3392562DFFE631167438FD7B2000FD32" box="[313,558,646,669]" italics="true" pageId="2" pageNumber="462">Megamoera mastersii</emphasis>
<bibRefCitation id="6577F7CEFFE631167734FD7820F7FD31" author="Haswell, W. A." box="[565,729,645,670]" pageId="2" pageNumber="462" pagination="245 - 279" refId="ref13821" refString="Haswell, W. A. (1879) On Australian Amphipoda. Proceedings of the Linnean Society of New South Wales, 4, 245 - 279, pls. 7 - 12. https: // doi. org / 10.5962 / bhl. part. 22848" type="journal article" year="1879">Haswell, 1879</bibRefCitation>
</taxonomicName>
, monotypy.
</paragraph>
</subSubSection>
<subSubSection id="49FCD9B4FFE6311675C6FD5423E4FB39" pageId="2" pageNumber="462" type="diagnosis">
<paragraph id="01598A3FFFE6311675C6FD5423E4FB39" blockId="2.[151,1437,645,1390]" pageId="2" pageNumber="462">
<emphasis id="3392562DFFE6311675C6FD542399FD6D" bold="true" box="[199,439,681,706]" pageId="2" pageNumber="462">Emended diagnosis.</emphasis>
<emphasis id="3392562DFFE6311674BEFD5423D7FD6D" box="[447,505,681,706]" italics="true" pageId="2" pageNumber="462">Body</emphasis>
smooth.
<emphasis id="3392562DFFE631167765FD54208EFD6D" box="[612,672,681,706]" italics="true" pageId="2" pageNumber="462">Head</emphasis>
, rostrum obsolescent, lateral cephalic lobe rounded, antennal sinus distinct; eyes ovate.
<emphasis id="3392562DFFE63116747AFD3323CBFD4A" box="[379,485,718,741]" italics="true" pageId="2" pageNumber="462">Antennae</emphasis>
slender; antenna 1, peduncular articles 12 longer than article 3, accessory flagellum with 29 articles.
<emphasis id="3392562DFFE63116746EFD0C23F4FCA5" box="[367,474,753,778]" italics="true" pageId="2" pageNumber="462">Mandible</emphasis>
, molar developed; palp article length 2&gt;3&gt;1, article 1 lacking acute distal tooth.
<emphasis id="3392562DFFE631167596FCE82326FC81" box="[151,264,789,814]" italics="true" pageId="2" pageNumber="462">Maxilla 1</emphasis>
, inner plate bullet-shaped, with apical setae; palp 2-articulate.
<emphasis id="3392562DFFE6311676F3FCEB2617FC82" box="[1010,1081,790,813]" italics="true" pageId="2" pageNumber="462">Coxae</emphasis>
short; coxae 56 lobate; gills present on coxae 26, oostegites present on coxae 25.
<emphasis id="3392562DFFE631167639FCC421FFFCFD" box="[824,977,825,850]" italics="true" pageId="2" pageNumber="462">Gnathopod 1</emphasis>
smaller than gnathopod 2, subchelate; propodus longish ovate, palm strongly oblique.
<emphasis id="3392562DFFE6311677C5FCA02175FCD9" box="[708,859,861,886]" italics="true" pageId="2" pageNumber="462">Gnathopod 2</emphasis>
not sexually dimorphic, symmetrical, subchelate; carpus short, not lobate; propodus longish ovate, length 1.92.5 times width; palm strongly oblique; dactylus with 1(2) setae on anterior margin.
<emphasis id="3392562DFFE63116771AFC5820BCFC11" box="[539,658,933,958]" italics="true" pageId="2" pageNumber="462">Pereopods</emphasis>
, dactyli simple; pereopods 34 slender, bases of pereopods 5
<emphasis id="3392562DFFE631167081FC5B27A0FC12" box="[1408,1422,934,957]" italics="true" pageId="2" pageNumber="462"></emphasis>
7 expanded, each with posterodistal lobe.
<emphasis id="3392562DFFE631167763FC3420EDFC4D" box="[610,707,969,994]" italics="true" pageId="2" pageNumber="462">Uropods</emphasis>
biramous; uropod 1 peduncle with basofacial robust seta, inner ramus longer than outer ramus, both rami with marginal and distal robust setae; uropod 2 similar to uropod 1, about 0.6 times length of uropod 1; uropod 3, rami lanceolate, subequal in length, outer ramus 1.4
<emphasis id="3392562DFFE6311671B7FBEF26EAFB86" box="[1206,1220,1042,1065]" italics="true" pageId="2" pageNumber="462"></emphasis>
2.2 times length of peduncle, distal ends of rami acute, each with 13 short setae, longest distal seta on outer ramus &lt;0.1 times length of outer ramus.
<emphasis id="3392562DFFE631167447FBA423A5FBDD" box="[326,395,1113,1138]" italics="true" pageId="2" pageNumber="462">Telson</emphasis>
deeply incised, lobes apically subacute, each bearing 13 subapical robust setae, longest seta &lt;0.2 times length of telson.
</paragraph>
</subSubSection>
<subSubSection id="49FCD9B4FFE6311675C6FB5C2084FB71" pageId="2" pageNumber="462" type="description">
<paragraph id="01598A3FFFE6311675C6FB5C2084FB71" blockId="2.[151,1437,645,1390]" pageId="2" pageNumber="462">
<emphasis id="3392562DFFE6311675C6FB5C23E2FB15" bold="true" box="[199,460,1185,1210]" pageId="2" pageNumber="462">Included species (4).</emphasis>
<taxonomicName id="C6E6F1BCFFE6311674DDFB5F20DEFB15" authority="Ariyama, 2019" authorityName="Ariyama" authorityYear="2019" box="[476,752,1185,1210]" class="Malacostraca" family="Maeridae" genus="Austromaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="462" phylum="Arthropoda" rank="species" species="ariakensis" status="sp. nov.">
<emphasis id="3392562DFFE6311674DDFB5F20DEFB15" box="[476,752,1185,1210]" italics="true" pageId="2" pageNumber="462">Austromaera ariakensis</emphasis>
</taxonomicName>
<emphasis id="3392562DFFE631167600FB5C214AFB15" bold="true" box="[769,868,1185,1210]" pageId="2" pageNumber="462">
<taxonomicNameLabel id="28A1EB56FFE631167600FB5C214AFB15" box="[769,868,1185,1210]" pageId="2" pageNumber="462" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
;
<taxonomicName id="C6E6F1BCFFE63116767DFB5F2727FB15" authority="(Ledoyer, 1984)" baseAuthorityName="Ledoyer" baseAuthorityYear="1984" box="[892,1289,1185,1210]" class="Malacostraca" family="Maeridae" genus="Austromaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="462" phylum="Arthropoda" rank="species" species="brevicaudata">
<emphasis id="3392562DFFE63116767DFB5F2619FB15" box="[892,1079,1185,1210]" italics="true" pageId="2" pageNumber="462">A. brevicaudata</emphasis>
(
<bibRefCitation id="6577F7CEFFE63116714EFB5C272EFB15" author="Ledoyer, M." box="[1103,1280,1185,1210]" pageId="2" pageNumber="462" pagination="1 - 113" refId="ref14694" refString="Ledoyer, M. (1984) Les gammariens (Crustacea, Amphipoda) des herbiers de phanerogames marines de Nouvelle Caledonie (region de Noumea). Memoires du Museum national d'histoire naturelle, Nouvelle serie, Serie A, Zoologie, 129, 1 - 113." type="journal article" year="1984">Ledoyer, 1984</bibRefCitation>
)
</taxonomicName>
;
<taxonomicName id="C6E6F1BCFFE63116701FFB5F237BFB71" authority="(Stebbing, 1888)" baseAuthorityName="Stebbing" baseAuthorityYear="1888" class="Malacostraca" family="Maeridae" genus="Austromaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="462" phylum="Arthropoda" rank="species" species="bruzelii">
<emphasis id="3392562DFFE63116701FFB5F27B5FB15" box="[1310,1435,1185,1210]" italics="true" pageId="2" pageNumber="462">A. bruzelii</emphasis>
(
<bibRefCitation id="6577F7CEFFE63116759FFB382363FB71" author="Stebbing, T. R. R." box="[158,333,1221,1246]" pageId="2" pageNumber="462" pagination="1 - 1737" refId="ref16021" refString="Stebbing, T. R. R. (1888) Report on the Amphipoda collected by H. M. S. Challenger during the years 1873 - 76. Report on the Scientific Results of the Foyage of H. M. S. Challenger during the Years 1873 - 76, Zoology, 29, 1 - 1737, 210 pls." type="book chapter" year="1888">Stebbing, 1888</bibRefCitation>
)
</taxonomicName>
;
<taxonomicName id="C6E6F1BCFFE631167460FB3B208BFB71" authority="(Haswell, 1879)" baseAuthorityName="Haswell" baseAuthorityYear="1879" box="[353,677,1221,1246]" class="Malacostraca" family="Melitidae" genus="Megamoera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="462" phylum="Arthropoda" rank="species" species="mastersii">
<emphasis id="3392562DFFE631167460FB3B23C9FB72" box="[353,487,1222,1245]" italics="true" pageId="2" pageNumber="462">A. mastersii</emphasis>
(
<bibRefCitation id="6577F7CEFFE6311674F7FB3820B3FB71" author="Haswell, W. A." box="[502,669,1221,1246]" pageId="2" pageNumber="462" pagination="245 - 279" refId="ref13821" refString="Haswell, W. A. (1879) On Australian Amphipoda. Proceedings of the Linnean Society of New South Wales, 4, 245 - 279, pls. 7 - 12. https: // doi. org / 10.5962 / bhl. part. 22848" type="journal article" year="1879">Haswell, 1879</bibRefCitation>
)
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="49FCD9B4FFE6311675D4FB142088FAC1" pageId="2" pageNumber="462" type="discussion">
<paragraph id="01598A3FFFE6311675D4FB142088FAC1" blockId="2.[151,1437,645,1390]" pageId="2" pageNumber="462">
<emphasis id="3392562DFFE6311675D4FB142367FAAD" bold="true" box="[213,329,1257,1282]" pageId="2" pageNumber="462">Remarks.</emphasis>
This genus is similar to
<taxonomicName id="C6E6F1BCFFE631167787FB14263FFAAD" authority="Krapp-Schickel, 2000" authorityName="Krapp-Schickel" authorityYear="2000" box="[646,1041,1257,1282]" class="Malacostraca" family="Maeridae" genus="Othomaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="462" phylum="Arthropoda" rank="genus">
<emphasis id="3392562DFFE631167787FB14212BFAAD" box="[646,773,1257,1282]" italics="true" pageId="2" pageNumber="462">Othomaera</emphasis>
Krapp-Schickel,
<quantity id="C61E27DAFFE6311676D8FB17263FFAAD" box="[985,1041,1258,1282]" metricMagnitude="1" metricUnit="m" metricValue="5.08" pageId="2" pageNumber="462" unit="in" value="2000.0">2000</quantity>
</taxonomicName>
in having the symmetrical male gnathopod 2 with oblique palm, the simple dactyli of the pereopods 3
<emphasis id="3392562DFFE6311676A0FAF32181FA8A" box="[929,943,1294,1317]" italics="true" pageId="2" pageNumber="462"></emphasis>
7, and the pointed tips of the uropod 3 rami. However,
<taxonomicName id="C6E6F1BCFFE63116740DFACF23B3FAE6" authorityName="Lowry &amp; Springthorpe" authorityYear="2005" box="[268,413,1330,1353]" class="Malacostraca" family="Maeridae" genus="Austromaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="462" phylum="Arthropoda" rank="genus">
<emphasis id="3392562DFFE63116740DFACF23B3FAE6" box="[268,413,1330,1353]" italics="true" pageId="2" pageNumber="462">Austromaera</emphasis>
</taxonomicName>
can be distinguished from
<taxonomicName id="C6E6F1BCFFE6311677D8FACC2177FAE5" authorityName="Krapp-Schickel" authorityYear="2000" box="[729,857,1329,1354]" class="Malacostraca" family="Maeridae" genus="Othomaera" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="2" pageNumber="462" phylum="Arthropoda" rank="genus">
<emphasis id="3392562DFFE6311677D8FACC2177FAE5" box="[729,857,1329,1354]" italics="true" pageId="2" pageNumber="462">Othomaera</emphasis>
</taxonomicName>
by the expanded bases of the pereopods 5
<emphasis id="3392562DFFE631167042FACF277FFAE6" box="[1347,1361,1330,1353]" italics="true" pageId="2" pageNumber="462"></emphasis>
7 each with posterodistal lobe (
<bibRefCitation id="6577F7CEFFE6311674A5FAA820B4FAC1" author="Krapp-Schickel, T." box="[420,666,1365,1390]" pageId="2" pageNumber="462" pagination="3 - 32" refId="ref14242" refString="Krapp-Schickel, T. (2008) What has happened with the Maera - clade (Crustacea, Amphipoda) during the last decades? Bollettino del Museo Civico di Storia Naturale di Ferona, 32, 3 - 32." type="journal article" year="2008">Krapp-Schickel 2008</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>