treatments-xml/data/03/FC/87/03FC87D5713BFFA034E7FCDE3B3820EE.xml

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<mods:title id="62B1A563E59556647CF736D66813119B">The Australian Monstrilloida (Crustacea: Copepoda) I. Monstrillopsis Sars, Maemonstrilla Grygier &amp; Ohtsuka, and Australomonstrillopsis gen. nov.</mods:title>
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<mods:namePart id="76B3F04DB29BB64359619898AEA6B285">Suárez-Morales, Eduardo</mods:namePart>
<mods:affiliation id="6B634C7FE8FE5B151AAEABD9FB33A1F4">El Colegio de la Frontera Sur (ECOSUR). Unidad Chetumal. P. O. Box 424. Chetumal, Quintana Roo 77014, Mexico</mods:affiliation>
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<mods:namePart id="BE89DD88E753DDCA7D71A8E9C8530C01">Mckinnon, A. David</mods:namePart>
<mods:affiliation id="766D6106D54D7DAFD89383F5F6B3FC40">Australian Institute of Marine Science, P. M. B. No. 3, Townsville M. C., Queensland 4810, Australia &amp; School of Marine and Tropical Biology, James Cook University, Queensland, Australia</mods:affiliation>
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<treatment id="03FC87D5713BFFA034E7FCDE3B3820EE" ID-DOI="http://doi.org/10.5281/zenodo.5060971" ID-GBIF-Taxon="183237210" ID-Zenodo-Dep="5060971" LSID="urn:lsid:plazi:treatment:03FC87D5713BFFA034E7FCDE3B3820EE" httpUri="http://treatment.plazi.org/id/03FC87D5713BFFA034E7FCDE3B3820EE" lastPageId="7" lastPageNumber="308" pageId="2" pageNumber="303">
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<paragraph id="8BEA36C3713BFFA534E7FCDE3D162235" blockId="2.[151,518,825,885]" box="[151,518,825,851]" pageId="2" pageNumber="303">
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<emphasis id="B921EAD1713BFFA534E7FCDE3D162235" bold="true" box="[151,518,825,851]" pageId="2" pageNumber="303">
<taxonomicName id="4C554D40713BFFA534E7FCDE3EB22235" authority="Suárez-Morales &amp; Mckinnon, 2014" authorityName="Suárez-Morales &amp; Mckinnon" authorityYear="2014" box="[151,418,825,851]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="2" pageNumber="303" phylum="Arthropoda" rank="species" species="hastata" status="sp. nov.">
<emphasis id="B921EAD1713BFFA534E7FCDE3EB22235" bold="true" box="[151,418,825,851]" italics="true" pageId="2" pageNumber="303">Monstrillopsis hastata</emphasis>
</taxonomicName>
<taxonomicNameLabel id="A21257AA713BFFA535D9FCDE3D162235" box="[425,518,825,851]" pageId="2" pageNumber="303" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
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<subSubSection id="C34F6548713BFFA534E7FCBB3E1A2213" box="[151,266,860,885]" pageId="2" pageNumber="303" type="description">
<paragraph id="8BEA36C3713BFFA534E7FCBB3E1A2213" blockId="2.[151,518,825,885]" box="[151,266,860,885]" pageId="2" pageNumber="303">
(
<figureCitation id="136E2A46713BFFA534EFFCBB3E112213" box="[159,257,860,885]" captionStart-0="FIGURE 1" captionStart-1="FIGURE 2" captionStart-2="FIGURE 3" captionStartId-0="4.[151,248,1873,1895]" captionStartId-1="5.[151,249,1803,1825]" captionStartId-2="6.[151,250,1946,1968]" captionTargetBox-0="[166,1421,260,1854]" captionTargetBox-1="[161,1388,225,1734]" captionTargetBox-2="[229,1360,203,1918]" captionTargetId-0="figure-97@4.[154,1432,247,1862]" captionTargetId-1="figure-67@5.[151,1435,221,1748]" captionTargetId-2="figure-47@6.[217,1370,193,1924]" captionTargetPageId-0="4" captionTargetPageId-1="5" captionTargetPageId-2="6" captionText-0="FIGURE 1. Monstrillopsis hastata sp. nov., adult male. A) habitus, lateral view; B) habitus, dorsal view; C) left antennule, dorsal view; D) detail of paired processes on medial inner margin of fourth antennular segment. Scale bars: A, B =200 µm, C=100 µm, D=10 µm." captionText-1="FIGURE 2. Monstrillopsis hastata sp. nov., adult male. A) cephalic area, ventral view; B) same, dorsal view; C) urosome and caudal rami, dorsal view; D) urosome showing genital complex, ventral view; E) urosome, lateral view, showing fifth legs and features of genital complex. Scale bars: A–-E = 100 µm." captionText-2="FIGURE 3. Monstrillopsis hastata sp. nov., adult male. A) first swimming leg showing intercoxal sclerite; B) third swimming leg; C) fourth swimming leg. Scale bars: A–C = 100 µm." figureDoi-0="http://doi.org/10.5281/zenodo.4910338" figureDoi-1="http://doi.org/10.5281/zenodo.4910344" figureDoi-2="http://doi.org/10.5281/zenodo.4910348" httpUri-0="https://zenodo.org/record/4910338/files/figure.png" httpUri-1="https://zenodo.org/record/4910344/files/figure.png" httpUri-2="https://zenodo.org/record/4910348/files/figure.png" pageId="2" pageNumber="303">Figs 1–3</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="C34F6548713BFFA534E7FC433A132563" pageId="2" pageNumber="303" type="materials_examined">
<paragraph id="8BEA36C3713BFFA534E7FC433A132563" blockId="2.[151,1436,932,2006]" pageId="2" pageNumber="303">
<emphasis id="B921EAD1713BFFA534E7FC433E9622DB" bold="true" box="[151,390,932,957]" pageId="2" pageNumber="303">Material examined:</emphasis>
<materialsCitation id="3B3D3C9E713BFFA535E2FC433A132563" ID-GBIF-Occurrence="3313288305" collectingDate="1983-05-15" collectionCode="MTQW" collectorName="Kimmerer &amp; McKinnon" country="Australia" latitude="-38.589066" location="Western Port Bay" longLatPrecision="1" longitude="144.99478" municipality="Slide" pageId="2" pageNumber="303" specimenCode="MTQW34268" specimenCount="1" stateProvince="Victoria" typeStatus="holotype">
<typeStatus id="54EE8861713BFFA535E2FC433EEF22DB" box="[402,511,932,957]" pageId="2" pageNumber="303" type="holotype">Holotype</typeStatus>
: adult male from 
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(
<collectorName id="26A05315713BFFA537C3FC433B3222DB" box="[947,1058,932,957]" pageId="2" pageNumber="303">Station G</collectorName>
2VA of 
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&amp; 
<collectorName id="26A05315713BFFA53152FC433A8B22DB" box="[1314,1435,932,957]" pageId="2" pageNumber="303">McKinnon</collectorName>
1985), 
<collectingRegion id="4991F821713BFFA53496FC203E532286" box="[230,323,967,992]" country="Australia" name="Victoria" pageId="2" pageNumber="303">Victoria</collectingRegion>
, 
<collectingCountry id="F3427653713BFFA5353EFC203EA42286" box="[334,436,967,992]" name="Australia" pageId="2" pageNumber="303">Australia</collectingCountry>
(
<geoCoordinate id="EE615004713BFFA535B3FC203D412286" box="[451,593,967,992]" degrees="38" direction="south" minutes="35.344" orientation="latitude" pageId="2" pageNumber="303" precision="1" value="-38.589066">38°35.344’S</geoCoordinate>
<geoCoordinate id="EE615004713BFFA53628FC203DE92286" box="[600,761,967,992]" degrees="144" direction="east" minutes="59.687" orientation="longitude" pageId="2" pageNumber="303" precision="1" value="144.99478">144°59.687’E</geoCoordinate>
), partially dissected, slide-mounted in glycerine, sealed with Entellan®. Date of collection: 
<date id="FFEB1003713BFFA5359FFC0B3D972563" box="[495,647,1004,1029]" pageId="2" pageNumber="303" value="1983-05-15">
<collectingDate id="EFAFE9EB713BFFA5359FFC0B3D972563" box="[495,647,1004,1029]" pageId="2" pageNumber="303" value="1983-05-15">15 May 1983</collectingDate>
</date>
. 
<collectingMunicipality id="6B8EACB9713BFFA536E2FC0B3DDC2563" box="[658,716,1004,1029]" pageId="2" pageNumber="303">Slide</collectingMunicipality>
deposited in MTQ, 
<collectingCountry id="F3427653713BFFA537DEFC0B3B052563" box="[942,1045,1004,1029]" name="Australia" pageId="2" pageNumber="303">Australia</collectingCountry>
(cat. 
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).
</materialsCitation>
</paragraph>
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<subSubSection id="C34F6548713BFFA434B7FBE83E8823BE" lastPageId="3" lastPageNumber="304" pageId="2" pageNumber="303" type="description">
<paragraph id="8BEA36C3713BFFA534B7FBE83D4D240B" blockId="2.[151,1436,932,2006]" pageId="2" pageNumber="303">
<emphasis id="B921EAD1713BFFA534B7FBE83E49254E" bold="true" box="[199,345,1039,1064]" inLineHeading="true" pageId="2" pageNumber="303" reason="1">Description.</emphasis>
Male: Total body length of adult male 
<typeStatus id="54EE8861713BFFA53733FBE83CBA254E" box="[835,938,1039,1064]" pageId="2" pageNumber="303" type="holotype">holotype</typeStatus>
: 
<quantity id="4CAD9B26713BFFA537CAFBE83B382541" box="[954,1064,1039,1064]" metricMagnitude="-4" metricUnit="m" metricValue="8.1" pageId="2" pageNumber="303" unit="mm" value="0.81">0.81 mm</quantity>
. Cephalothorax 
<quantity id="4CAD9B26713BFFA5309CFBE83A462541" box="[1260,1366,1039,1064]" metricMagnitude="-4" metricUnit="m" metricValue="4.2" pageId="2" pageNumber="303" unit="mm" value="0.42">0.42 mm</quantity>
long, representing 51% of total body length. Antennule 
<quantity id="4CAD9B26713BFFA536B6FBD33C39252D" box="[710,809,1076,1101]" metricMagnitude="-4" metricUnit="m" metricValue="3.8" pageId="2" pageNumber="303" unit="mm" value="0.38">0.38 mm</quantity>
long, representing 47% of total body length and 85% of cephalothorax length (
<figureCitation id="136E2A46713BFFA535E8FBB03D082516" box="[408,536,1111,1136]" captionStart="FIGURE 1" captionStartId="4.[151,248,1873,1895]" captionTargetBox="[166,1421,260,1854]" captionTargetId="figure-97@4.[154,1432,247,1862]" captionTargetPageId="4" captionText="FIGURE 1. Monstrillopsis hastata sp. nov., adult male. A) habitus, lateral view; B) habitus, dorsal view; C) left antennule, dorsal view; D) detail of paired processes on medial inner margin of fourth antennular segment. Scale bars: A, B =200 µm, C=100 µm, D=10 µm." figureDoi="http://doi.org/10.5281/zenodo.4910338" httpUri="https://zenodo.org/record/4910338/files/figure.png" pageId="2" pageNumber="303">Fig. 1A, B</figureCitation>
). Oral papilla small, located anteriorly, about 27% of way back along ventral surface of cephalothorax (
<figureCitation id="136E2A46713BFFA535B5FB9B3D3225F3" box="[453,546,1148,1173]" captionStart="FIGURE 1" captionStartId="4.[151,248,1873,1895]" captionTargetBox="[166,1421,260,1854]" captionTargetId="figure-97@4.[154,1432,247,1862]" captionTargetPageId="4" captionText="FIGURE 1. Monstrillopsis hastata sp. nov., adult male. A) habitus, lateral view; B) habitus, dorsal view; C) left antennule, dorsal view; D) detail of paired processes on medial inner margin of fourth antennular segment. Scale bars: A, B =200 µm, C=100 µm, D=10 µm." figureDoi="http://doi.org/10.5281/zenodo.4910338" httpUri="https://zenodo.org/record/4910338/files/figure.png" pageId="2" pageNumber="303">Fig. 1A</figureCitation>
). Pair of relatively large ocelli present, pigment cups moderately developed, separated by less than half eye diameter, weakly pigmented; ventral cup and lateral cups equally sized. Forehead widely rounded, with two large sensilla and field of small cuticular papillae extending to most of cephalic area, including ventral and dorsal surfaces (
<figureCitation id="136E2A46713BFFA53633FB003DAD2466" box="[579,701,1255,1280]" captionStart="FIGURE 2" captionStartId="5.[151,249,1803,1825]" captionTargetBox="[161,1388,225,1734]" captionTargetId="figure-67@5.[151,1435,221,1748]" captionTargetPageId="5" captionText="FIGURE 2. Monstrillopsis hastata sp. nov., adult male. A) cephalic area, ventral view; B) same, dorsal view; C) urosome and caudal rami, dorsal view; D) urosome showing genital complex, ventral view; E) urosome, lateral view, showing fifth legs and features of genital complex. Scale bars: A–-E = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.4910344" httpUri="https://zenodo.org/record/4910344/files/figure.png" pageId="2" pageNumber="303">Fig. 2A, B</figureCitation>
). Ventral surface of cephalic area bearing two pairs of nipple-like cuticular processes between antennule bases and oral papilla, one pair being small (
<figureCitation id="136E2A46713BFFA5301EFAEB3BDC2443" box="[1134,1228,1292,1317]" captionStart="FIGURE 2" captionStartId="5.[151,249,1803,1825]" captionTargetBox="[161,1388,225,1734]" captionTargetId="figure-67@5.[151,1435,221,1748]" captionTargetPageId="5" captionText="FIGURE 2. Monstrillopsis hastata sp. nov., adult male. A) cephalic area, ventral view; B) same, dorsal view; C) urosome and caudal rami, dorsal view; D) urosome showing genital complex, ventral view; E) urosome, lateral view, showing fifth legs and features of genital complex. Scale bars: A–-E = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.4910344" httpUri="https://zenodo.org/record/4910344/files/figure.png" pageId="2" pageNumber="303">Fig. 2A</figureCitation>
). Light pattern of cuticular striation present surrounding these structures, transverse striae reaching also middle ventral surface between nipple-like processes (
<figureCitation id="136E2A46713BFFA53586FAB33D40240B" box="[502,592,1364,1389]" captionStart="FIGURE 2" captionStartId="5.[151,249,1803,1825]" captionTargetBox="[161,1388,225,1734]" captionTargetId="figure-67@5.[151,1435,221,1748]" captionTargetPageId="5" captionText="FIGURE 2. Monstrillopsis hastata sp. nov., adult male. A) cephalic area, ventral view; B) same, dorsal view; C) urosome and caudal rami, dorsal view; D) urosome showing genital complex, ventral view; E) urosome, lateral view, showing fifth legs and features of genital complex. Scale bars: A–-E = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.4910344" httpUri="https://zenodo.org/record/4910344/files/figure.png" pageId="2" pageNumber="303">Fig. 2A</figureCitation>
).
</paragraph>
<paragraph id="8BEA36C3713BFFA534B7FA903A7F27F4" blockId="2.[151,1436,932,2006]" pageId="2" pageNumber="303">
As usual in male monstrilloids, antennules five-segmented, geniculate (
<figureCitation id="136E2A46713BFFA5379BFA903B5324F6" box="[1003,1091,1399,1424]" captionStart="FIGURE 1" captionStartId="4.[151,248,1873,1895]" captionTargetBox="[166,1421,260,1854]" captionTargetId="figure-97@4.[154,1432,247,1862]" captionTargetPageId="4" captionText="FIGURE 1. Monstrillopsis hastata sp. nov., adult male. A) habitus, lateral view; B) habitus, dorsal view; C) left antennule, dorsal view; D) detail of paired processes on medial inner margin of fourth antennular segment. Scale bars: A, B =200 µm, C=100 µm, D=10 µm." figureDoi="http://doi.org/10.5281/zenodo.4910338" httpUri="https://zenodo.org/record/4910338/files/figure.png" pageId="2" pageNumber="303">Fig. 1C</figureCitation>
). In terms of pattern described by 
<bibRefCitation id="EFC44B32713BFFA534CAFA7B3EE824D3" author="Grygier, M. J. &amp; Ohtsuka, S." box="[186,504,1436,1461]" pageId="2" pageNumber="303" pagination="703 - 719" refId="ref19005" refString="Grygier, M. J. &amp; Ohtsuka, S. (1995) SEM observation of the nauplius of Monstrilla hamatapex, new species, from Japan and an example of upgraded descriptive standards for monstrilloid copepods. Journal of Crustacean Biology, 15, 703 - 719. http: // dx. doi. org / 10.2307 / 1548820" type="journal article" year="1995">Grygier and Ohtsuka (1995)</bibRefCitation>
, element 1 present on first segment; elements 2d 
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, 2d 
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, 2v 
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, 2v 
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, 2v 
<subScript id="17D13486713BFFA530AEFA4C3BF624DF" attach="left" box="[1246,1254,1451,1465]" fontSize="6" pageId="2" pageNumber="303">3</subScript>
, and IId present on second segment. Third segment with elements 3, IIId, and IIIv, the latter being unusually stiff and slender (
<figureCitation id="136E2A46713BFFA5311EFA253FAA2499" captionStart="FIGURE 1" captionStartId="4.[151,248,1873,1895]" captionTargetBox="[166,1421,260,1854]" captionTargetId="figure-97@4.[154,1432,247,1862]" captionTargetPageId="4" captionText="FIGURE 1. Monstrillopsis hastata sp. nov., adult male. A) habitus, lateral view; B) habitus, dorsal view; C) left antennule, dorsal view; D) detail of paired processes on medial inner margin of fourth antennular segment. Scale bars: A, B =200 µm, C=100 µm, D=10 µm." figureDoi="http://doi.org/10.5281/zenodo.4910338" httpUri="https://zenodo.org/record/4910338/files/figure.png" pageId="2" pageNumber="303">Fig. 1C</figureCitation>
). Fourth segment bearing elements 4d 
<subScript id="17D13486713BFFA5361CFA113D6F2762" attach="left" box="[620,639,1526,1540]" fontSize="6" pageId="2" pageNumber="303">1,2</subScript>
and 4v 
<subScript id="17D13486713BFFA536A4FA113DF82762" attach="left" box="[724,744,1526,1540]" fontSize="6" pageId="2" pageNumber="303">1-3</subScript>
as well as IVd. Inner middle margin of segment with pair of subtriangular protuberances near insertion of element 4v (
<figureCitation id="136E2A46713BFFA53728F9EA3CAA2740" box="[856,954,1549,1574]" captionStart="FIGURE 1" captionStartId="4.[151,248,1873,1895]" captionTargetBox="[166,1421,260,1854]" captionTargetId="figure-97@4.[154,1432,247,1862]" captionTargetPageId="4" captionText="FIGURE 1. Monstrillopsis hastata sp. nov., adult male. A) habitus, lateral view; B) habitus, dorsal view; C) left antennule, dorsal view; D) detail of paired processes on medial inner margin of fourth antennular segment. Scale bars: A, B =200 µm, C=100 µm, D=10 µm." figureDoi="http://doi.org/10.5281/zenodo.4910338" httpUri="https://zenodo.org/record/4910338/files/figure.png" pageId="2" pageNumber="303">Fig. 1D</figureCitation>
). Terminal segment with elements 1–6, unbranched elements A–D (on posterior margin), and short medial aesthetasc (
<figureCitation id="136E2A46713BFFA5303FF9D63BBF272C" box="[1103,1199,1585,1610]" captionStart="FIGURE 1" captionStartId="4.[151,248,1873,1895]" captionTargetBox="[166,1421,260,1854]" captionTargetId="figure-97@4.[154,1432,247,1862]" captionTargetPageId="4" captionText="FIGURE 1. Monstrillopsis hastata sp. nov., adult male. A) habitus, lateral view; B) habitus, dorsal view; C) left antennule, dorsal view; D) detail of paired processes on medial inner margin of fourth antennular segment. Scale bars: A, B =200 µm, C=100 µm, D=10 µm." figureDoi="http://doi.org/10.5281/zenodo.4910338" httpUri="https://zenodo.org/record/4910338/files/figure.png" pageId="2" pageNumber="303">Fig. 1D</figureCitation>
). As usual in male 
<taxonomicName id="4C554D40713BFFA534E7F9B23E29270B" box="[151,313,1621,1645]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="2" pageNumber="303" phylum="Arthropoda" rank="genus">
<emphasis id="B921EAD1713BFFA534E7F9B23E29270B" box="[151,313,1621,1645]" italics="true" pageId="2" pageNumber="303">Monstrillopsis</emphasis>
</taxonomicName>
, terminal antennular segment modified, with inner rounded expansion and elongate, sabre-like distal half representing 58% of segment length; inner expansion ornamented with four spinules (arrowed in 
<figureCitation id="136E2A46713BFFA5317AF99E3A7127F4" box="[1290,1377,1657,1682]" captionStart="FIGURE 1" captionStartId="4.[151,248,1873,1895]" captionTargetBox="[166,1421,260,1854]" captionTargetId="figure-97@4.[154,1432,247,1862]" captionTargetPageId="4" captionText="FIGURE 1. Monstrillopsis hastata sp. nov., adult male. A) habitus, lateral view; B) habitus, dorsal view; C) left antennule, dorsal view; D) detail of paired processes on medial inner margin of fourth antennular segment. Scale bars: A, B =200 µm, C=100 µm, D=10 µm." figureDoi="http://doi.org/10.5281/zenodo.4910338" httpUri="https://zenodo.org/record/4910338/files/figure.png" pageId="2" pageNumber="303">Fig. 1C</figureCitation>
).
</paragraph>
<paragraph id="8BEA36C3713BFFA534B7F97A3ED926B3" blockId="2.[151,1436,932,2006]" pageId="2" pageNumber="303">
First pedigerous somite incorporated into cephalothorax; this and succeeding three free pedigerous somites each bearing pair of biramous swimming legs. Pedigerous somites 2–4 together accounting for 33% of total body length in dorsal view. Intercoxal sclerites of legs 1–4 sub-rectangular, without ornamentation on surface or along distal margin. Basis of legs articulating with rectangular coxa along diagonal line. Basis with thin, simple lateral seta on legs 1, 2, and 4; on leg 3, this seta thicker, lightly setulate and four times longer than on other legs. Endopodites and exopodites of swimming legs 1–4 triarticulate (
<figureCitation id="136E2A46713BFFA5371DF8B63CF9260C" box="[877,1001,1873,1898]" captionStart="FIGURE 3" captionStartId="6.[151,250,1946,1968]" captionTargetBox="[229,1360,203,1918]" captionTargetId="figure-47@6.[217,1370,193,1924]" captionTargetPageId="6" captionText="FIGURE 3. Monstrillopsis hastata sp. nov., adult male. A) first swimming leg showing intercoxal sclerite; B) third swimming leg; C) fourth swimming leg. Scale bars: A–C = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.4910348" httpUri="https://zenodo.org/record/4910348/files/figure.png" pageId="2" pageNumber="303">Fig. 3A–C</figureCitation>
). Ramus setae all lightly and biserially plumose except for spiniform outer setae on exopodal segments 1 and 3, and inner seta of first exopodal segment, these all being short and slender. Also, outer apical exopodal seta of swimming legs 1–4 with outer margin smooth, inner margin lightly setose.
</paragraph>
<paragraph id="8BEA36C3713AFFA434B7FF703BE42052" pageId="3" pageNumber="304">
<table id="F955C463713A005834EFFF703BE42052" box="[159,1268,151,308]" gridcols="4" gridrows="4" inLine="true" pageId="3" pageNumber="304">
<tr id="35653481713A005834EFFF703BE421D6" box="[159,1268,151,176]" gridrow="0" pageId="3" pageNumber="304" rowspan-2="1" rowspan-3="1">
<th id="76B45DFD713A005834EFFF703D7921D6" box="[159,617,151,176]" colspan="2" colspanRight="1" gridcol="0" gridrow="0" pageId="3" pageNumber="304">Armature formula of swimming legs:</th>
</tr>
<tr id="35653481713A005834EFFF2B3BE42184" box="[159,1268,204,226]" gridrow="1" pageId="3" pageNumber="304" rowspan-0="1">
<td id="76B45DFD713A00583591FF2B3D792184" box="[481,617,204,226]" gridcol="1" gridrow="1" pageId="3" pageNumber="304">basis</td>
<td id="76B45DFD713A00583753FF2B3CB72184" box="[803,935,204,226]" gridcol="2" gridrow="1" pageId="3" pageNumber="304">endopodite</td>
<td id="76B45DFD713A00583015FF2B3BE42184" box="[1125,1268,204,226]" gridcol="3" gridrow="1" pageId="3" pageNumber="304">exopodite</td>
</tr>
<tr id="35653481713A005834EFFF123BE4206D" box="[159,1268,245,267]" gridrow="2" pageId="3" pageNumber="304">
<th id="76B45DFD713A005834EFFF123FE5206D" box="[159,245,245,267]" gridcol="0" gridrow="2" pageId="3" pageNumber="304">leg 1</th>
<td id="76B45DFD713A00583591FF123D79206D" box="[481,617,245,267]" gridcol="1" gridrow="2" pageId="3" pageNumber="304">1-0</td>
<td id="76B45DFD713A00583753FF123CB7206D" box="[803,935,245,267]" gridcol="2" gridrow="2" pageId="3" pageNumber="304">0-1;0-1;1,2,2</td>
<td id="76B45DFD713A00583015FF123BE4206D" box="[1125,1268,245,267]" gridcol="3" gridrow="2" pageId="3" pageNumber="304">I-1;0-1;I,2,2</td>
</tr>
<tr id="35653481713A005834EFFEF93BE42052" box="[159,1268,286,308]" gridrow="3" pageId="3" pageNumber="304">
<th id="76B45DFD713A005834EFFEF93FE52052" box="[159,245,286,308]" gridcol="0" gridrow="3" pageId="3" pageNumber="304">legs 2–4</th>
<td id="76B45DFD713A00583591FEF93D792052" box="[481,617,286,308]" gridcol="1" gridrow="3" pageId="3" pageNumber="304">1-0</td>
<td id="76B45DFD713A00583753FEF93CB72052" box="[803,935,286,308]" gridcol="2" gridrow="3" pageId="3" pageNumber="304">0-1;0-1;1,2,2</td>
<td id="76B45DFD713A00583015FEF93BE42052" box="[1125,1268,286,308]" gridcol="3" gridrow="3" pageId="3" pageNumber="304">I-1;0-1;I,1,2,2</td>
</tr>
</table>
</paragraph>
<paragraph id="8BEA36C3713AFFA434B7FE9B3B4223D3" blockId="3.[151,1437,380,2025]" pageId="3" pageNumber="304">
Fifth legs absent. Urosome consisting of four somites: fifth pedigerous somite, genital somite with genital apparatus, one free postgenital somite, and large anal somite possibly incorporating fused preanal somite (
<figureCitation id="136E2A46713AFFA43148FE783A9F20DE" box="[1336,1423,415,440]" captionStart="FIGURE 2" captionStartId="5.[151,249,1803,1825]" captionTargetBox="[161,1388,225,1734]" captionTargetId="figure-67@5.[151,1435,221,1748]" captionTargetPageId="5" captionText="FIGURE 2. Monstrillopsis hastata sp. nov., adult male. A) cephalic area, ventral view; B) same, dorsal view; C) urosome and caudal rami, dorsal view; D) urosome showing genital complex, ventral view; E) urosome, lateral view, showing fifth legs and features of genital complex. Scale bars: A–-E = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.4910344" httpUri="https://zenodo.org/record/4910344/files/figure.png" pageId="3" pageNumber="304">Fig. 2E</figureCitation>
). Ventral surface of genital somite forming enlarged base of cylindrical shaft with distal genital lappets. Lappets represented by divergent pair of posteriorly directed cylindrical processes, each tapering distally into nipple-like process and reaching distal margin of anal somite (
<figureCitation id="136E2A46713AFFA43695FDEB3C702343" box="[741,864,524,549]" captionStart="FIGURE 2" captionStartId="5.[151,249,1803,1825]" captionTargetBox="[161,1388,225,1734]" captionTargetId="figure-67@5.[151,1435,221,1748]" captionTargetPageId="5" captionText="FIGURE 2. Monstrillopsis hastata sp. nov., adult male. A) cephalic area, ventral view; B) same, dorsal view; C) urosome and caudal rami, dorsal view; D) urosome showing genital complex, ventral view; E) urosome, lateral view, showing fifth legs and features of genital complex. Scale bars: A–-E = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.4910344" httpUri="https://zenodo.org/record/4910344/files/figure.png" pageId="3" pageNumber="304">Fig. 2C–E</figureCitation>
). Anal+preanal somite large, representing 37% of urosome, ornamented with posterior hyaline fringe of short spines on dorsal surface; similar ornamentation also present on dorsal surface of succeeding free postgenital somite (arrows in 
<figureCitation id="136E2A46713AFFA4378FFDB33B4A230B" box="[1023,1114,596,621]" captionStart="FIGURE 2" captionStartId="5.[151,249,1803,1825]" captionTargetBox="[161,1388,225,1734]" captionTargetId="figure-67@5.[151,1435,221,1748]" captionTargetPageId="5" captionText="FIGURE 2. Monstrillopsis hastata sp. nov., adult male. A) cephalic area, ventral view; B) same, dorsal view; C) urosome and caudal rami, dorsal view; D) urosome showing genital complex, ventral view; E) urosome, lateral view, showing fifth legs and features of genital complex. Scale bars: A–-E = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.4910344" httpUri="https://zenodo.org/record/4910344/files/figure.png" pageId="3" pageNumber="304">Fig. 2C</figureCitation>
). Anal+preanal somite with irregular posterior margin in dorsal view (
<figureCitation id="136E2A46713AFFA436D9FD903C1B23F6" box="[681,779,631,656]" captionStart="FIGURE 2" captionStartId="5.[151,249,1803,1825]" captionTargetBox="[161,1388,225,1734]" captionTargetId="figure-67@5.[151,1435,221,1748]" captionTargetPageId="5" captionText="FIGURE 2. Monstrillopsis hastata sp. nov., adult male. A) cephalic area, ventral view; B) same, dorsal view; C) urosome and caudal rami, dorsal view; D) urosome showing genital complex, ventral view; E) urosome, lateral view, showing fifth legs and features of genital complex. Scale bars: A–-E = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.4910344" httpUri="https://zenodo.org/record/4910344/files/figure.png" pageId="3" pageNumber="304">Fig. 2E</figureCitation>
). Caudal rami subrectangular, symmetrical, divergent, approximately 1.3 times longer than wide, each ramus bearing four setae (
<figureCitation id="136E2A46713AFFA437A4FD7B3B5623D3" box="[980,1094,668,693]" captionStart="FIGURE 2" captionStartId="5.[151,249,1803,1825]" captionTargetBox="[161,1388,225,1734]" captionTargetId="figure-67@5.[151,1435,221,1748]" captionTargetPageId="5" captionText="FIGURE 2. Monstrillopsis hastata sp. nov., adult male. A) cephalic area, ventral view; B) same, dorsal view; C) urosome and caudal rami, dorsal view; D) urosome showing genital complex, ventral view; E) urosome, lateral view, showing fifth legs and features of genital complex. Scale bars: A–-E = 100 µm." figureDoi="http://doi.org/10.5281/zenodo.4910344" httpUri="https://zenodo.org/record/4910344/files/figure.png" pageId="3" pageNumber="304">Fig. 2C,E</figureCitation>
).
</paragraph>
<paragraph id="8BEA36C3713AFFA434B7FD583E8823BE" blockId="3.[151,1437,380,2025]" box="[199,408,703,728]" pageId="3" pageNumber="304">Female: unknown.</paragraph>
</subSubSection>
<subSubSection id="C34F6548713AFFA434B7FD033B5C239B" box="[199,1100,740,765]" pageId="3" pageNumber="304" type="distribution">
<paragraph id="8BEA36C3713AFFA434B7FD033B5C239B" blockId="3.[151,1437,380,2025]" box="[199,1100,740,765]" pageId="3" pageNumber="304">
<emphasis id="B921EAD1713AFFA434B7FD033E75239B" bold="true" box="[199,357,740,765]" inLineHeading="true" pageId="3" pageNumber="304" reason="1">
<typeStatus id="54EE8861713AFFA434B7FD033E12239B" box="[199,258,740,765]" pageId="3" pageNumber="304">Type</typeStatus>
locality.
</emphasis>
Western Port Bay, 
<collectingRegion id="4991F821713AFFA43649FD033D84239B" box="[569,660,740,765]" country="Australia" name="Victoria" pageId="3" pageNumber="304">Victoria</collectingRegion>
, 
<collectingCountry id="F3427653713AFFA436EEFD033C13239B" box="[670,771,740,765]" name="Australia" pageId="3" pageNumber="304">Australia</collectingCountry>
(
<geoCoordinate id="EE615004713AFFA43762FD033C8C239B" box="[786,924,740,765]" degrees="38" direction="south" minutes="35.344" orientation="latitude" pageId="3" pageNumber="304" precision="1" value="-38.589066">38°35.344’S</geoCoordinate>
<geoCoordinate id="EE615004713AFFA437D3FD033B50239B" box="[931,1088,740,765]" degrees="144" direction="east" minutes="59.687" orientation="longitude" pageId="3" pageNumber="304" precision="1" value="144.99478">144°59.687’E</geoCoordinate>
).
</paragraph>
</subSubSection>
<subSubSection id="C34F6548713AFFA434B7FCE03BBF2222" pageId="3" pageNumber="304" type="etymology">
<paragraph id="8BEA36C3713AFFA434B7FCE03BBF2222" blockId="3.[151,1437,380,2025]" pageId="3" pageNumber="304">
<emphasis id="B921EAD1713AFFA434B7FCE03E5E2246" bold="true" box="[199,334,775,800]" inLineHeading="true" pageId="3" pageNumber="304" reason="1">Etymology.</emphasis>
An adjective derived from the Latin noun 
<emphasis id="B921EAD1713AFFA4372CFCEF3C892246" box="[860,921,776,800]" italics="true" pageId="3" pageNumber="304">hasta</emphasis>
, meaning spear, the specific epithet makes reference to the unusually stiff, spear-like setal element IIIv of the fourth antennular segment.
</paragraph>
</subSubSection>
<subSubSection id="C34F6548713AFFA434B7FCA83CD6257B" pageId="3" pageNumber="304" type="diagnosis">
<paragraph id="8BEA36C3713AFFA434B7FCA83CD6257B" blockId="3.[151,1437,380,2025]" pageId="3" pageNumber="304">
<emphasis id="B921EAD1713AFFA434B7FCA83E51220E" bold="true" box="[199,321,847,872]" inLineHeading="true" pageId="3" pageNumber="304" reason="1">Diagnosis.</emphasis>
Third antennular segment bearing stiff seta IIIv, fourth segment with two nipple-like protuberances. Terminal antennular segment modified, with inner rounded expansion and elongate distal half, latter sabre-like and representing 58% of length of segment; inner expansion of this segment ornamented with four spinules. One free postgenital somite; preanal and anal somites apparently fused with no trace of intersegmental suture. Genital complex of 
<typeStatus id="54EE8861713AFFA4356DFC073E5D229E" box="[285,333,992,1016]" pageId="3" pageNumber="304">type</typeStatus>
II (defined below), with mammiliform distal tips of lappets. Spinous hyaline fringe posteriorly on dorsal surface of fused preanal+anal somites and free postgenital somite.
</paragraph>
</subSubSection>
<subSubSection id="C34F6548713AFFA034B7FBC03B3820EE" lastPageId="7" lastPageNumber="308" pageId="3" pageNumber="304" type="discussion">
<paragraph id="8BEA36C3713AFFA434B7FBC03E512773" blockId="3.[151,1437,380,2025]" pageId="3" pageNumber="304">
<emphasis id="B921EAD1713AFFA434B7FBC03E2B2526" bold="true" box="[199,315,1063,1088]" inLineHeading="true" pageId="3" pageNumber="304" reason="1">Remarks.</emphasis>
This male specimen is easily assignable to the genus 
<taxonomicName id="4C554D40713AFFA43790FBCF3B922526" box="[992,1154,1064,1088]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="3" pageNumber="304" phylum="Arthropoda" rank="genus">
<emphasis id="B921EAD1713AFFA43790FBCF3B922526" box="[992,1154,1064,1088]" italics="true" pageId="3" pageNumber="304">Monstrillopsis</emphasis>
</taxonomicName>
by its possession of a distinctively modified fifth antennular segment, with an inner rounded protuberance and an attenuated, sabre-like distal half (see 
<bibRefCitation id="EFC44B32713AFFA43534FB973D5B25EE" author="Huys, R. &amp; Boxshall, G. A." box="[324,587,1135,1160]" pageId="3" pageNumber="304" refId="ref19133" refString="Huys, R. &amp; Boxshall, G. A. (1991) Copepod Evolution. The Ray Society, London, 468 pp." type="book" year="1991">Huys &amp; Boxshall 1991</bibRefCitation>
; 
<bibRefCitation id="EFC44B32713AFFA43628FB883C9F25EE" author="Suarez-Morales, E. &amp; Bello-Smith, A. &amp; Palma, S." box="[600,911,1135,1160]" pageId="3" pageNumber="304" pagination="95 - 107" refId="ref20300" refString="Suarez-Morales, E., Bello-Smith, A. &amp; Palma, S. (2006) A revision of the genus Monstrillopsis Sars (Crustacea: Copepoda: Monstrilloida) with description of a new species from Chile. Zoologischer Anzeiger, 245, 95 - 107. http: // dx. doi. org / 10.1016 / j. jcz. 2006.05.002" type="journal article" year="2006">
Suárez-Morales 
<emphasis id="B921EAD1713AFFA43761FB963C5325EE" box="[785,835,1136,1160]" italics="true" pageId="3" pageNumber="304">et al</emphasis>
. 2006
</bibRefCitation>
). The position of the oral papilla far anteriorly on the cephalothorax, the fully developed eyes, and the presence of four setal elements on the caudal rami are also regarded as diagnostic of this genus (
<bibRefCitation id="EFC44B32713AFFA43646FB503DBA25B6" author="Sars, G. O." box="[566,682,1207,1232]" pageId="3" pageNumber="304" refId="ref19973" refString="Sars, G. O. (1921) An account of the Crustacea of Norway with short descriptions and figures of all the species. Vol. VIII. Copepoda Monstrilloida and Notodelphyoida. The Bergen Museum, Bergen, 91 pp. + XXXVII pls." type="book" year="1921">Sars 1921</bibRefCitation>
; 
<bibRefCitation id="EFC44B32713AFFA436C6FB503CFB25B6" author="Suarez-Morales, E. &amp; Bello-Smith, A. &amp; Palma, S." box="[694,1003,1207,1232]" pageId="3" pageNumber="304" pagination="95 - 107" refId="ref20300" refString="Suarez-Morales, E., Bello-Smith, A. &amp; Palma, S. (2006) A revision of the genus Monstrillopsis Sars (Crustacea: Copepoda: Monstrilloida) with description of a new species from Chile. Zoologischer Anzeiger, 245, 95 - 107. http: // dx. doi. org / 10.1016 / j. jcz. 2006.05.002" type="journal article" year="2006">
Suárez-Morales 
<emphasis id="B921EAD1713AFFA4371EFB5E3C8F25B6" box="[878,927,1208,1232]" italics="true" pageId="3" pageNumber="304">et al</emphasis>
. 2006
</bibRefCitation>
). This specimen has a reduced number of free postgenital somites compared to its congeners, one instead of two: as mentioned in the descriptive section, the preanal and anal somites appear to be completely fused, without traces of an intersomite suture. This condition is usually found in males of 
<taxonomicName id="4C554D40713AFFA435A6FAC33D71245A" box="[470,609,1316,1340]" class="Maxillopoda" family="Monstrillidae" genus="Cymbasoma" higherTaxonomySource="GBIF" kingdom="Animalia" order="Monstrilloida" pageId="3" pageNumber="304" phylum="Arthropoda" rank="genus">
<emphasis id="B921EAD1713AFFA435A6FAC33D71245A" box="[470,609,1316,1340]" italics="true" pageId="3" pageNumber="304">Cymbasoma</emphasis>
</taxonomicName>
and has not been known to occur in 
<taxonomicName id="4C554D40713AFFA4378EFAC33BB0245A" box="[1022,1184,1316,1340]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="3" pageNumber="304" phylum="Arthropoda" rank="genus">
<emphasis id="B921EAD1713AFFA4378EFAC33BB0245A" box="[1022,1184,1316,1340]" italics="true" pageId="3" pageNumber="304">Monstrillopsis</emphasis>
</taxonomicName>
except for incomplete fusion marked by a ventral suture and lateral constrictions in 
<taxonomicName id="4C554D40713AFFA437F4FAAE3A162406" authority="Suarez-Morales" authorityName="Suarez-Morales" box="[900,1286,1351,1376]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="3" pageNumber="304" phylum="Arthropoda" rank="species" species="chathamensis">
<emphasis id="B921EAD1713AFFA437F4FAAE3B572406" box="[900,1095,1352,1376]" italics="true" pageId="3" pageNumber="304">M. chathamensis</emphasis>
Suárez-Morales
</taxonomicName>
&amp; Morales- Ramírez, 2009 (
<bibRefCitation id="EFC44B32713AFFA4352EFA8B3C4824E3" author="Suarez-Morales, E. &amp; Morales-Ramirez, A." box="[350,856,1388,1413]" pageId="3" pageNumber="304" pagination="1257 - 1271" refId="ref20250" refString="Suarez-Morales, E. &amp; Morales-Ramirez, A. (2009) New species of Monstrilloida (Crustacea: Copepoda) from the Eastern Tropical Pacific. Journal of Natural History, 43, 1257 - 1271. http: // dx. doi. org / 10.1080 / 00222930902894419" type="journal article" year="2009">Suárez-Morales &amp; Morales-Ramírez 2009</bibRefCitation>
) and also in 
<taxonomicName id="4C554D40713AFFA4307EFA8B3A8524E2" authorityName="Suárez-Morales &amp; Mckinnon" authorityYear="2014" box="[1038,1429,1388,1412]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="3" pageNumber="304" phylum="Arthropoda" rank="species" species="boonwurrungorum">
<emphasis id="B921EAD1713AFFA4307EFA8B3A8524E2" box="[1038,1429,1388,1412]" italics="true" pageId="3" pageNumber="304">Monstrillopsis boonwurrungorum</emphasis>
</taxonomicName>
, described in the present work. In other species of the genus in which the division of the preanal and anal somites is fully expressed, as in 
<taxonomicName id="4C554D40713AFFA435FCFA523DB124AB" authority="(Isaac, 1974)" baseAuthorityName="Isaac" baseAuthorityYear="1974" box="[396,673,1460,1485]" pageId="3" pageNumber="304" rank="species" species="sarsi">
<emphasis id="B921EAD1713AFFA435FCFA523D1424AA" box="[396,516,1461,1484]" italics="true" pageId="3" pageNumber="304">Mon. sarsi</emphasis>
(
<bibRefCitation id="EFC44B32713AFFA43664FA533D8A24AB" author="Isaac, M. J." box="[532,666,1460,1485]" pageId="3" pageNumber="304" pagination="127 - 140" refId="ref19245" refString="Isaac, M. J. (1974) Copepoda Monstrilloida from south-west Britain including six new species. Journal of the Marine Biological Association of the United Kingdom, 54, 127 - 140. http: // dx. doi. org / 10.1017 / s 0025315400022116" type="journal article" year="1974">Isaac, 1974</bibRefCitation>
)
</taxonomicName>
, 
<emphasis id="B921EAD1713AFFA436DDFA523C4124AA" box="[685,849,1460,1484]" italics="true" pageId="3" pageNumber="304">
<collectingRegion id="4991F821713AFFA436DDFA523DF424AA" box="[685,740,1461,1484]" country="United Kingdom" name="Isle of Anglesey" pageId="3" pageNumber="304">Mon</collectingRegion>
. chilensis
</emphasis>
<bibRefCitation id="EFC44B32713AFFA43729FA533A2524AB" author="Suarez-Morales, E. &amp; Ramirez, F. C. &amp; Derisio, C." box="[857,1333,1460,1485]" pageId="3" pageNumber="304" pagination="217 - 226" refId="ref20511" refString="Suarez-Morales, E., Ramirez, F. C. &amp; Derisio, C. (2008) Monstrilloida (Crustacea: Copepoda) from the Beagle Channel, South America. Contributions to Zoology, 77, 217 - 226." type="journal article" year="2008">Suárez-Morales, Ramírez &amp; Derisio, 2008</bibRefCitation>
(Suárez- Morales 
<emphasis id="B921EAD1713AFFA4348BFA3E3E3E2496" box="[251,302,1496,1520]" italics="true" pageId="3" pageNumber="304">et al</emphasis>
. 2008), and 
<emphasis id="B921EAD1713AFFA435B0FA3E3D732496" box="[448,611,1496,1520]" italics="true" pageId="3" pageNumber="304">
<collectingRegion id="4991F821713AFFA435B0FA3E3EE72496" box="[448,503,1497,1520]" country="United Kingdom" name="Isle of Anglesey" pageId="3" pageNumber="304">Mon</collectingRegion>
. cahuitae
</emphasis>
<bibRefCitation id="EFC44B32713AFFA4361CFA303CF32496" author="Suarez-Morales, E. &amp; Carrillo, A. &amp; Morales-Ramirez, A." box="[620,995,1495,1520]" pageId="3" pageNumber="304" pagination="619 - 638" refId="ref20365" refString="Suarez-Morales, E., Carrillo, A. &amp; Morales-Ramirez, A. (2013) Report on some monstrilloids (Crustacea: Copepoda) from a reef area off the Caribbean coast of Costa Rica, Central America with description of two new species. Journal of Natural History, 47, 619 - 638. http: // dx. doi. org / 10.1080 / 00222933.2012.742933" type="journal article" year="2013">Suárez-Morales &amp; Carrillo, 2013</bibRefCitation>
(
<bibRefCitation id="EFC44B32713AFFA43783FA303A3D2496" author="Suarez-Morales, E. &amp; Carrillo, A. &amp; Morales-Ramirez, A." box="[1011,1325,1495,1520]" pageId="3" pageNumber="304" pagination="619 - 638" refId="ref20365" refString="Suarez-Morales, E., Carrillo, A. &amp; Morales-Ramirez, A. (2013) Report on some monstrilloids (Crustacea: Copepoda) from a reef area off the Caribbean coast of Costa Rica, Central America with description of two new species. Journal of Natural History, 47, 619 - 638. http: // dx. doi. org / 10.1080 / 00222933.2012.742933" type="journal article" year="2013">
Suárez-Morales 
<emphasis id="B921EAD1713AFFA430DFFA3E3BF22496" box="[1199,1250,1496,1520]" italics="true" pageId="3" pageNumber="304">et al</emphasis>
. 2013
</bibRefCitation>
), the anal somite is short.
</paragraph>
<paragraph id="8BEA36C3713AFFA334B7F9F83B7D21B5" blockId="3.[151,1437,380,2025]" lastBlockId="4.[151,1436,151,213]" lastPageId="4" lastPageNumber="305" pageId="3" pageNumber="304">
Among the males of 
<taxonomicName id="4C554D40713AFFA435C4F9C73D3A275E" box="[436,554,1568,1592]" class="Maxillopoda" family="Monstrillidae" genus="Monstrilla" kingdom="Animalia" order="Monstrilloida" pageId="3" pageNumber="304" phylum="Arthropoda" rank="genus">
<emphasis id="B921EAD1713AFFA435C4F9C73D3A275E" box="[436,554,1568,1592]" italics="true" pageId="3" pageNumber="304">Monstrilla</emphasis>
</taxonomicName>
and 
<taxonomicName id="4C554D40713AFFA43611F9C73C13275E" box="[609,771,1568,1592]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="3" pageNumber="304" phylum="Arthropoda" rank="genus">
<emphasis id="B921EAD1713AFFA43611F9C73C13275E" box="[609,771,1568,1592]" italics="true" pageId="3" pageNumber="304">Monstrillopsis</emphasis>
</taxonomicName>
there are two main 
<typeStatus id="54EE8861713AFFA43794F9C73B0F275E" box="[996,1055,1568,1592]" pageId="3" pageNumber="304">types</typeStatus>
of genital complex, one of which is represented by a long, cylindrical apparatus with paired distal globose processes (
<typeStatus id="54EE8861713AFFA4302CF9A33B9E273B" box="[1116,1166,1604,1629]" pageId="3" pageNumber="304">type</typeStatus>
I). This kind of genital structure has been recorded mainly in species of 
<taxonomicName id="4C554D40713AFFA436C5F98F3B6527E6" authority="(Suarez-Morales et al. 2013)" baseAuthorityName="Suarez-Morales" baseAuthorityYear="2013" box="[693,1141,1639,1664]" class="Maxillopoda" family="Monstrillidae" genus="Monstrilla" kingdom="Animalia" order="Monstrilloida" pageId="3" pageNumber="304" phylum="Arthropoda" rank="genus">
<emphasis id="B921EAD1713AFFA436C5F98F3C3B27E6" box="[693,811,1640,1664]" italics="true" pageId="3" pageNumber="304">Monstrilla</emphasis>
(
<bibRefCitation id="EFC44B32713AFFA43749F9803B7D27E6" author="Suarez-Morales, E. &amp; Carrillo, A. &amp; Morales-Ramirez, A." box="[825,1133,1639,1664]" pageId="3" pageNumber="304" pagination="619 - 638" refId="ref20365" refString="Suarez-Morales, E., Carrillo, A. &amp; Morales-Ramirez, A. (2013) Report on some monstrilloids (Crustacea: Copepoda) from a reef area off the Caribbean coast of Costa Rica, Central America with description of two new species. Journal of Natural History, 47, 619 - 638. http: // dx. doi. org / 10.1080 / 00222933.2012.742933" type="journal article" year="2013">
Suárez-Morales 
<emphasis id="B921EAD1713AFFA43783F98E3B3327E6" box="[1011,1059,1640,1664]" italics="true" pageId="3" pageNumber="304">et al</emphasis>
. 2013
</bibRefCitation>
)
</taxonomicName>
, but also in 
<taxonomicName id="4C554D40713AFFA4308AF98F3D6327C3" authority="(Suarez-Morales &amp; Dias 2001)" baseAuthorityName="Suarez-Morales &amp; Dias" baseAuthorityYear="2001" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="3" pageNumber="304" phylum="Arthropoda" rank="species" species="fosshageni">
<emphasis id="B921EAD1713AFFA4308AF98F3E1F27C2" italics="true" pageId="3" pageNumber="304">Monstrillopsis fosshageni</emphasis>
(
<bibRefCitation id="EFC44B32713AFFA4356EF96B3D7A27C3" author="Suarez-Morales, E. &amp; Dias, C." box="[286,618,1676,1701]" pageId="3" pageNumber="304" pagination="65 - 81" refId="ref20109" refString="Suarez-Morales, E. &amp; Dias, C. (2001) Taxonomic report of some monstrilloids (Copepoda: Monstrilloida) from Brazil with description of four new species. Bulletin de l'Institut Royal des Sciences Naturelles de Belgique, Biologie, 71, 65 - 81." type="journal article" year="2001">Suárez-Morales &amp; Dias 2001</bibRefCitation>
)
</taxonomicName>
and its congener 
<emphasis id="B921EAD1713AFFA4374BF96A3CCE27C2" box="[827,990,1676,1700]" italics="true" pageId="3" pageNumber="304">
<collectingRegion id="4991F821713AFFA4374BF96A3C6227C2" box="[827,882,1677,1700]" country="United Kingdom" name="Isle of Anglesey" pageId="3" pageNumber="304">Mon</collectingRegion>
. cahuitae
</emphasis>
(
<bibRefCitation id="EFC44B32713AFFA4379DF96B3A3527C3" author="Suarez-Morales, E. &amp; Carrillo, A. &amp; Morales-Ramirez, A." box="[1005,1317,1676,1701]" pageId="3" pageNumber="304" pagination="619 - 638" refId="ref20365" refString="Suarez-Morales, E., Carrillo, A. &amp; Morales-Ramirez, A. (2013) Report on some monstrilloids (Crustacea: Copepoda) from a reef area off the Caribbean coast of Costa Rica, Central America with description of two new species. Journal of Natural History, 47, 619 - 638. http: // dx. doi. org / 10.1080 / 00222933.2012.742933" type="journal article" year="2013">
Suárez-Morales 
<emphasis id="B921EAD1713AFFA430D8F96A3BC927C2" box="[1192,1241,1676,1700]" italics="true" pageId="3" pageNumber="304">et al</emphasis>
. 2013
</bibRefCitation>
). The 
<typeStatus id="54EE8861713AFFA4311CF96B3A8C27C2" box="[1388,1436,1676,1700]" pageId="3" pageNumber="304">type</typeStatus>
II apparatus is similar to that present in our specimen, with a short shaft and relatively long, basally separated lappets. This kind of genital complex was earlier reported in two other species of 
<taxonomicName id="4C554D40713AFFA43035F9333A22278A" authority=", Mon." authorityName="Mon." box="[1093,1330,1748,1772]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="3" pageNumber="304" phylum="Arthropoda" rank="genus">
<emphasis id="B921EAD1713AFFA43035F9333BF7278A" box="[1093,1255,1748,1772]" italics="true" pageId="3" pageNumber="304">Monstrillopsis</emphasis>
, 
<emphasis id="B921EAD1713AFFA43086F9323A22278A" box="[1270,1330,1749,1772]" italics="true" pageId="3" pageNumber="304">Mon.</emphasis>
</taxonomicName>
<emphasis id="B921EAD1713AFFA4314AF9333A8C278A" box="[1338,1436,1748,1772]" italics="true" pageId="3" pageNumber="304">chilensis</emphasis>
<bibRefCitation id="EFC44B32713AFFA434E7F9103DBB2676" author="Suarez-Morales, E. &amp; Bello-Smith, A. &amp; Palma, S." box="[151,683,1783,1808]" pageId="3" pageNumber="304" pagination="95 - 107" refId="ref20300" refString="Suarez-Morales, E., Bello-Smith, A. &amp; Palma, S. (2006) A revision of the genus Monstrillopsis Sars (Crustacea: Copepoda: Monstrilloida) with description of a new species from Chile. Zoologischer Anzeiger, 245, 95 - 107. http: // dx. doi. org / 10.1016 / j. jcz. 2006.05.002" type="journal article" year="2006">Suárez-Morales, Bello-Smith and Palma, 2006</bibRefCitation>
from the Beagle Channel (
<bibRefCitation id="EFC44B32713AFFA43795F9103A0F2676" author="Suarez-Morales, E. &amp; Ramirez, F. C. &amp; Derisio, C." box="[997,1311,1783,1808]" pageId="3" pageNumber="304" pagination="217 - 226" refId="ref20511" refString="Suarez-Morales, E., Ramirez, F. C. &amp; Derisio, C. (2008) Monstrilloida (Crustacea: Copepoda) from the Beagle Channel, South America. Contributions to Zoology, 77, 217 - 226." type="journal article" year="2008">
Suárez-Morales 
<emphasis id="B921EAD1713AFFA430D1F91E3BC42676" box="[1185,1236,1784,1808]" italics="true" pageId="3" pageNumber="304">et al</emphasis>
. 2008
</bibRefCitation>
) and 
<taxonomicName id="4C554D40713AFFA43112F91E3E3F2652" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="3" pageNumber="304" phylum="Arthropoda" rank="species" species="chathamensis">
<emphasis id="B921EAD1713AFFA43112F91E3E3F2652" italics="true" pageId="3" pageNumber="304">Mon. chathamensis</emphasis>
</taxonomicName>
from the Eastern Tropical Pacific (
<bibRefCitation id="EFC44B32713AFFA436A5F8FB3BD22653" author="Suarez-Morales, E. &amp; Morales-Ramirez, A." box="[725,1218,1820,1845]" pageId="3" pageNumber="304" pagination="1257 - 1271" refId="ref20250" refString="Suarez-Morales, E. &amp; Morales-Ramirez, A. (2009) New species of Monstrilloida (Crustacea: Copepoda) from the Eastern Tropical Pacific. Journal of Natural History, 43, 1257 - 1271. http: // dx. doi. org / 10.1080 / 00222930902894419" type="journal article" year="2009">Suárez-Morales &amp; Morales-Ramírez 2009</bibRefCitation>
). The present new species has a 
<typeStatus id="54EE8861713AFFA43540F8A73E70263E" box="[304,352,1856,1880]" pageId="3" pageNumber="304">type</typeStatus>
II genital complex but differs from its above-mentioned congeners in having mammiliform, not rounded, lappet tips. The new species also differs in characters of the antennule structure; it has a longer terminal sabre-like process of the fifth segment than in 
<emphasis id="B921EAD1713AFFA436DAF86E3C5F26C6" box="[682,847,1928,1952]" italics="true" pageId="3" pageNumber="304">
<collectingRegion id="4991F821713AFFA436DAF86E3DF126C6" box="[682,737,1929,1952]" country="United Kingdom" name="Isle of Anglesey" pageId="3" pageNumber="304">Mon</collectingRegion>
. chilensis
</emphasis>
and 
<taxonomicName id="4C554D40713AFFA437F7F86E3B7226C6" box="[903,1122,1928,1952]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="3" pageNumber="304" phylum="Arthropoda" rank="species" species="chathamensis">
<emphasis id="B921EAD1713AFFA437F7F86E3B7226C6" box="[903,1122,1928,1952]" italics="true" pageId="3" pageNumber="304">Mon. chathamensis</emphasis>
</taxonomicName>
and it also has a set of 4–5 spinules on the proximal rounded process of the segment, whereas this process is naked in 
<taxonomicName id="4C554D40713AFFA430E2F84A3A7C26A2" box="[1170,1388,1964,1988]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="3" pageNumber="304" phylum="Arthropoda" rank="species" species="chathamensis">
<emphasis id="B921EAD1713AFFA430E2F84A3A7C26A2" box="[1170,1388,1964,1988]" italics="true" pageId="3" pageNumber="304">Mon. chathamensis</emphasis>
</taxonomicName>
and in two of the four Australian species described herein. This process is ornamented with a patch of minute spinules in 
<emphasis id="B921EAD1713DFFA334C3FF7E3E4621D6" box="[179,342,152,176]" italics="true" pageId="4" pageNumber="305">
<collectingRegion id="4991F821713DFFA334C3FF7E3FFA21D6" box="[179,234,153,176]" country="United Kingdom" name="Isle of Anglesey" pageId="4" pageNumber="305">Mon</collectingRegion>
. chilensis
</emphasis>
(
<bibRefCitation id="EFC44B32713DFFA33514FF703D8921D6" author="Suarez-Morales, E. &amp; Ramirez, F. C. &amp; Derisio, C." box="[356,665,151,176]" pageId="4" pageNumber="305" pagination="217 - 226" refId="ref20511" refString="Suarez-Morales, E., Ramirez, F. C. &amp; Derisio, C. (2008) Monstrilloida (Crustacea: Copepoda) from the Beagle Channel, South America. Contributions to Zoology, 77, 217 - 226." type="journal article" year="2008">
Suárez-Morales 
<emphasis id="B921EAD1713DFFA3366EFF7E3D5F21D6" box="[542,591,152,176]" italics="true" pageId="4" pageNumber="305">et al</emphasis>
. 2008
</bibRefCitation>
). A set of spiniform elements is present in another Australian species described herein, 
<taxonomicName id="4C554D40713DFFA3352DFF5A3EF121B2" authority="Suárez-Morales &amp; Mckinnon, 2014" authorityName="Suárez-Morales &amp; Mckinnon" authorityYear="2014" box="[349,481,189,212]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="4" pageNumber="305" phylum="Arthropoda" rank="species" species="nanus" status="sp. nov.">
<emphasis id="B921EAD1713DFFA3352DFF5A3EF121B2" box="[349,481,189,212]" italics="true" pageId="4" pageNumber="305">Mon. nanus</emphasis>
</taxonomicName>
<emphasis id="B921EAD1713DFFA33598FF5B3D5221B3" bold="true" box="[488,578,188,213]" pageId="4" pageNumber="305">
<taxonomicNameLabel id="A21257AA713DFFA33598FF5B3D5221B3" box="[488,578,188,213]" pageId="4" pageNumber="305" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, but the genital lappets have a different structure.
</paragraph>
<caption id="DF2A664B713DFFA334E7F8B63FEE26C2" ID-DOI="http://doi.org/10.5281/zenodo.4910338" ID-Zenodo-Dep="4910338" httpUri="https://zenodo.org/record/4910338/files/figure.png" pageId="4" pageNumber="305" startId="4.[151,248,1873,1895]" targetBox="[166,1421,260,1854]" targetPageId="4">
<paragraph id="8BEA36C3713DFFA334E7F8B63FEE26C2" blockId="4.[151,1436,1873,1956]" pageId="4" pageNumber="305">
<emphasis id="B921EAD1713DFFA334E7F8B63E012600" bold="true" box="[151,273,1873,1895]" pageId="4" pageNumber="305">FIGURE 1.</emphasis>
<taxonomicName id="4C554D40713DFFA33566F8B63EE32601" authority="Suárez-Morales &amp; Mckinnon, 2014" authorityName="Suárez-Morales &amp; Mckinnon" authorityYear="2014" box="[278,499,1873,1895]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="4" pageNumber="305" phylum="Arthropoda" rank="species" species="hastata" status="sp. nov.">
<emphasis id="B921EAD1713DFFA33566F8B63EE32601" box="[278,499,1873,1895]" italics="true" pageId="4" pageNumber="305">Monstrillopsis hastata</emphasis>
</taxonomicName>
<emphasis id="B921EAD1713DFFA33589F8B63D592600" bold="true" box="[505,585,1873,1894]" pageId="4" pageNumber="305">
<taxonomicNameLabel id="A21257AA713DFFA33589F8B63D592600" box="[505,585,1873,1894]" pageId="4" pageNumber="305" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, adult male. A) habitus, lateral view; B) habitus, dorsal view; C) left antennule, dorsal view; D) detail of paired processes on medial inner margin of fourth antennular segment. Scale bars: A, B =200 µm, C=100 µm, D=10 µm.
</paragraph>
</caption>
<caption id="DF2A664B713CFFA234E7F8EC3DC42638" ID-DOI="http://doi.org/10.5281/zenodo.4910344" ID-Zenodo-Dep="4910344" httpUri="https://zenodo.org/record/4910344/files/figure.png" pageId="5" pageNumber="306" startId="5.[151,249,1803,1825]" targetBox="[161,1388,225,1734]" targetPageId="5">
<paragraph id="8BEA36C3713CFFA234E7F8EC3DC42638" blockId="5.[151,1435,1803,1887]" pageId="5" pageNumber="306">
<emphasis id="B921EAD1713CFFA234E7F8EC3E032646" bold="true" box="[151,275,1803,1825]" pageId="5" pageNumber="306">FIGURE 2.</emphasis>
<taxonomicName id="4C554D40713CFFA23569F8EC3EED2647" authority="Suárez-Morales &amp; Mckinnon, 2014" authorityName="Suárez-Morales &amp; Mckinnon" authorityYear="2014" box="[281,509,1803,1825]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="5" pageNumber="306" phylum="Arthropoda" rank="species" species="hastata" status="sp. nov.">
<emphasis id="B921EAD1713CFFA23569F8EC3EED2647" box="[281,509,1803,1825]" italics="true" pageId="5" pageNumber="306">Monstrillopsis hastata</emphasis>
</taxonomicName>
<emphasis id="B921EAD1713CFFA23673F8EB3D432647" bold="true" box="[515,595,1804,1825]" pageId="5" pageNumber="306">
<taxonomicNameLabel id="A21257AA713CFFA23673F8EB3D432647" box="[515,595,1804,1825]" pageId="5" pageNumber="306" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, adult male. A) cephalic area, ventral view; B) same, dorsal view; C) urosome and caudal rami, dorsal view; D) urosome showing genital complex, ventral view; E) urosome, lateral view, showing fifth legs and features of genital complex. Scale bars: A–-E = 100 µm.
</paragraph>
</caption>
<caption id="DF2A664B713FFFA134E7F87D3DC926A8" ID-DOI="http://doi.org/10.5281/zenodo.4910348" ID-Zenodo-Dep="4910348" httpUri="https://zenodo.org/record/4910348/files/figure.png" pageId="6" pageNumber="307" startId="6.[151,250,1946,1968]" targetBox="[229,1360,203,1918]" targetPageId="6">
<paragraph id="8BEA36C3713FFFA134E7F87D3DC926A8" blockId="6.[151,1435,1946,1998]" pageId="6" pageNumber="307">
<emphasis id="B921EAD1713FFFA134E7F87D3E0226C9" bold="true" box="[151,274,1946,1968]" pageId="6" pageNumber="307">FIGURE 3.</emphasis>
<taxonomicName id="4C554D40713FFFA13569F87D3EEC26D6" authority="Suárez-Morales &amp; Mckinnon, 2014" authorityName="Suárez-Morales &amp; Mckinnon" authorityYear="2014" box="[281,508,1946,1968]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="6" pageNumber="307" phylum="Arthropoda" rank="species" species="hastata" status="sp. nov.">
<emphasis id="B921EAD1713FFFA13569F87D3EEC26D6" box="[281,508,1946,1968]" italics="true" pageId="6" pageNumber="307">Monstrillopsis hastata</emphasis>
</taxonomicName>
<emphasis id="B921EAD1713FFFA13672F87D3D4326C9" bold="true" box="[514,595,1946,1967]" pageId="6" pageNumber="307">
<taxonomicNameLabel id="A21257AA713FFFA13672F87D3D4326C9" box="[514,595,1946,1967]" pageId="6" pageNumber="307" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
, adult male. A) first swimming leg showing intercoxal sclerite; B) third swimming leg; C) fourth swimming leg. Scale bars: A–C = 100 µm.
</paragraph>
</caption>
<paragraph id="8BEA36C3713EFFA034B7FF703B3820EE" blockId="7.[151,1436,151,392]" pageId="7" pageNumber="308">
The present new species can be distinguished from all other species of 
<taxonomicName id="4C554D40713EFFA03787FF7F3B8921D6" box="[1015,1177,152,176]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="7" pageNumber="308" phylum="Arthropoda" rank="genus">
<emphasis id="B921EAD1713EFFA03787FF7F3B8921D6" box="[1015,1177,152,176]" italics="true" pageId="7" pageNumber="308">Monstrillopsis</emphasis>
</taxonomicName>
on the basis of: 1) the stiff seta IIIv, which is usually flexible, not so rigid or spiniform as here, in both 
<taxonomicName id="4C554D40713EFFA03043FF5B3BC521B2" box="[1075,1237,188,212]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="7" pageNumber="308" phylum="Arthropoda" rank="genus">
<emphasis id="B921EAD1713EFFA03043FF5B3BC521B2" box="[1075,1237,188,212]" italics="true" pageId="7" pageNumber="308">Monstrillopsis</emphasis>
</taxonomicName>
and other known monstrilloids; 2) the presence of two nipple-like protuberances on the fourth antennular segment (
<figureCitation id="136E2A46713EFFA03169FF383A65219E" box="[1305,1397,223,248]" captionStart="FIGURE 1" captionStartId="4.[151,248,1873,1895]" captionTargetBox="[166,1421,260,1854]" captionTargetId="figure-97@4.[154,1432,247,1862]" captionTargetPageId="4" captionText="FIGURE 1. Monstrillopsis hastata sp. nov., adult male. A) habitus, lateral view; B) habitus, dorsal view; C) left antennule, dorsal view; D) detail of paired processes on medial inner margin of fourth antennular segment. Scale bars: A, B =200 µm, C=100 µm, D=10 µm." figureDoi="http://doi.org/10.5281/zenodo.4910338" httpUri="https://zenodo.org/record/4910338/files/figure.png" pageId="7" pageNumber="308">Fig. 1D</figureCitation>
), a feature not hitherto reported in any monstrilloid; 3) the mammiliform distal tips of the genital lappets; and 4) the spinous hyaline fringes on the dorsal surface of the free postgenital (preanal) and anal somites. A similar fringe was described in both 
<taxonomicName id="4C554D40713EFFA0351AFEAA3D572002" box="[362,583,332,356]" class="Maxillopoda" family="Monstrillidae" genus="Monstrillopsis" kingdom="Animalia" order="Monstrilloida" pageId="7" pageNumber="308" phylum="Arthropoda" rank="species" species="chathamensis">
<emphasis id="B921EAD1713EFFA0351AFEAA3D572002" box="[362,583,332,356]" italics="true" pageId="7" pageNumber="308">Mon. chathamensis</emphasis>
</taxonomicName>
and 
<emphasis id="B921EAD1713EFFA036F5FEAA3C3C2002" box="[645,812,332,356]" italics="true" pageId="7" pageNumber="308">
<collectingRegion id="4991F821713EFFA036F5FEAA3DAC2002" box="[645,700,333,356]" country="United Kingdom" name="Isle of Anglesey" pageId="7" pageNumber="308">Mon</collectingRegion>
. chilensis
</emphasis>
, but only on the anal somite and at a more posterior position (
<bibRefCitation id="EFC44B32713EFFA03570FE883DCC20EE" author="Suarez-Morales, E. &amp; Morales-Ramirez, A." box="[256,732,367,392]" pageId="7" pageNumber="308" pagination="1257 - 1271" refId="ref20250" refString="Suarez-Morales, E. &amp; Morales-Ramirez, A. (2009) New species of Monstrilloida (Crustacea: Copepoda) from the Eastern Tropical Pacific. Journal of Natural History, 43, 1257 - 1271. http: // dx. doi. org / 10.1080 / 00222930902894419" type="journal article" year="2009">Suárez-Morales &amp; Morales-Ramírez 2009</bibRefCitation>
; 
<bibRefCitation id="EFC44B32713EFFA03698FE883B0C20EE" author="Suarez-Morales, E. &amp; Ramirez, F. C. &amp; Derisio, C." box="[744,1052,367,392]" pageId="7" pageNumber="308" pagination="217 - 226" refId="ref20511" refString="Suarez-Morales, E., Ramirez, F. C. &amp; Derisio, C. (2008) Monstrilloida (Crustacea: Copepoda) from the Beagle Channel, South America. Contributions to Zoology, 77, 217 - 226." type="journal article" year="2008">
Suárez-Morales 
<emphasis id="B921EAD1713EFFA037D0FE963CC220EE" box="[928,978,368,392]" italics="true" pageId="7" pageNumber="308">et al</emphasis>
. 2008
</bibRefCitation>
).
</paragraph>
</subSubSection>
</treatment>
</document>