478 lines
57 KiB
XML
478 lines
57 KiB
XML
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<mods:title id="BCF9FE861305DA641669FDFE90EA1015">Transisthmian differentiation in the tree-climbing mangrove crab Aratus H. Milne Edwards, 1853 (Crustacea, Brachyura, Sesarmidae), with description of a new species from the tropical eastern Pacific</mods:title>
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<emphasis id="B921EA9A36500464FF4EFA216811FA5A" bold="true" box="[151,349,1422,1448]" italics="true" pageId="8" pageNumber="553">Aratus pacificus</emphasis>
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<taxonomicNameLabel id="A21257E136500464FEBDFA2168EAFA5A" box="[356,422,1422,1448]" pageId="8" pageNumber="553" rank="species">n. sp.</taxonomicNameLabel>
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<paragraph id="8BEA368836500464FF4EFA1E6866FA1C" blockId="8.[151,1437,1422,1518]" pageId="8" pageNumber="553">
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(
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C, D, G, H, K, L,
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, P; 4C, D, G, H, K, L; 8C, D, E, F, I, J, K, L,
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, P, Q, R, U, V, W, X; 9C, D, E, F, I, J, K, L,
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<collectingCountry id="F342761836500464FF76FA796989FA1C" box="[175,197,1494,1518]" name="Iceland" pageId="8" pageNumber="553">O</collectingCountry>
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, P, Q, R)
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</paragraph>
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</subSubSection>
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<subSubSection id="C34F650336500464FF4EF9B668BAF9BE" pageId="8" pageNumber="553" type="reference_group">
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<treatmentCitationGroup id="AB4511A636500464FF4EF9B668BAF9BE" pageId="8" pageNumber="553">
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<taxonomicName id="4C554D0B36500464FF4EF9B66885F9DC" ID-CoL="G66B" authority="Smith 1871: 92" authorityName="Smith" authorityPageNumber="92" authorityYear="1871" box="[151,457,1560,1582]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="8" pageNumber="553" phylum="Arthropoda" rank="species" species="pisonii">
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<emphasis id="B921EA9A36500464FF4EF9B6686AF9DC" box="[151,294,1561,1582]" italics="true" pageId="8" pageNumber="553">Aratus pisonii</emphasis>
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<treatmentCitation id="0AF4109936500464FEF4F9B76885F9DC" author="Smith" box="[301,457,1560,1582]" page="92" pageId="8" pageNumber="553" year="1871">
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: 92
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</treatmentCitation>
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</taxonomicName>
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.—
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<treatmentCitation id="0AF4109936500464FE31F9B76BFFF9DC" author="Kingsley" box="[488,691,1560,1582]" page="402" pageId="8" pageNumber="553" year="1879">
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<bibRefCitation id="EFC44B7936500464FE31F9B76BCEF9DC" author="Kingsley" box="[488,642,1560,1582]" pageId="8" pageNumber="553" refString="Kingsley, J. (1879) On a collection of Crustacea from Virginia, North Carolina, and Florida, with a revision of the genera of Crangonidae and Palaemonidae. Proceedings of the Academy of Natural Sciences of Philadelphia, 31, 383 - 427. http: // dx. doi. org / 10.5962 / bhl. title. 62608" type="journal article" year="1879">Kingsley 1879</bibRefCitation>
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||
: 402
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||
</treatmentCitation>
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.—
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||
<treatmentCitation id="0AF4109936500464FD09F9B76ADBF9DC" author="Rathbun" box="[720,919,1560,1582]" page="322" pageId="8" pageNumber="553" year="1918">
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: 322
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||
</treatmentCitation>
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-325, pl. 96, fig. 1 & 2.—
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<treatmentCitation id="0AF4109936500464FB41F9B76C7BF9DC" author="Crane" box="[1176,1335,1560,1582]" page="86" pageId="8" pageNumber="553" year="1947">
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<bibRefCitation id="EFC44B7936500464FB41F9B76C5FF9DC" author="Crane" box="[1176,1299,1560,1582]" pageId="8" pageNumber="553" refString="Crane, J. (1947) Eastern Pacific expeditions of the New York Zoological Society: XXXVIII. Intertidal brachygnathous crabs from the west coast of tropical America with special reference to ecology. Zoologica, 32, 69 - 95." type="journal article" year="1947">Crane 1947</bibRefCitation>
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: 86
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</treatmentCitation>
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.—Cuesta
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<emphasis id="B921EA9A36500464FF1EF99769B6F9BE" box="[199,250,1590,1613]" italics="true" pageId="8" pageNumber="553">et al.</emphasis>
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2006: 175-196, fig. 1–7.
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male (17.3 ×
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) (
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, Puerto Morro,
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–
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, coll. C.D. Schubart & R. Landstorfer,
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.
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. Puerto Morro,
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–
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,
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1 ♀ (14.7 × 14.5, 15.3 × 14.9, 14.6 ×
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.
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.D.55082-55084)—
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1 ♀ (13.45 × 13.0, 13.4 × 13.35, 15.05 ×
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) (MNHN-IU- 2009-3091, MNHN-IU-2009-3092, MNHN-IU-2009-3093)—
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2 ♀ (12.35 × 12.25, 12.55 × 12.45, 13.25 ×
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) (
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25472-25474) -
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1 ♀ (12.9 × 12.55, 11.05 ×
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.2013.0452) -
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2 ♀ (10.7 × 10.55, 8.9 × 8.9, 9.75 × 9.65, 9.25 × 9.5) (
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43531), coll. C.D. Schubart & R. Landstorfer,
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|
||
<collectingCountry id="F342761836500464FA82F8E36986F87A" name="Costa Rica" pageId="8" pageNumber="553">Costa Rica</collectingCountry>
|
||
</emphasis>
|
||
. Puntarenas,
|
||
<collectingCountry id="F342761836500464FEB2F8DE68E9F87A" box="[363,421,1905,1928]" name="Malta" pageId="8" pageNumber="553">Mata</collectingCountry>
|
||
de Limón,
|
||
<geoCoordinate id="EE61504F36500464FDEDF8DF6BF0F87B" box="[564,700,1904,1929]" direction="north" orientation="latitude" pageId="8" pageNumber="553" precision="1" value="9.9237">9°55.422'N-</geoCoordinate>
|
||
<geoCoordinate id="EE61504F36500464FD65F8DF6A1DF87B" box="[700,849,1904,1929]" direction="west" orientation="longitude" pageId="8" pageNumber="553" precision="1" value="-84.71265">84°42.759'W</geoCoordinate>
|
||
,
|
||
<specimenCount id="9D53FD0136500464FCB8F8DF6ADCF87A" box="[865,912,1904,1928]" pageId="8" pageNumber="553" type="generic">1 ♂</specimenCount>
|
||
2 ♀ (12.59 × 11.93, 14.48 × 14.4, 12.39 ×
|
||
<quantity id="4CAD9B6D36500464FF4EF83B684FF85E" box="[151,259,1940,1964]" metricMagnitude="-2" metricUnit="m" metricValue="1.218" pageId="8" pageNumber="553" unit="mm" value="12.18">12.18mm</quantity>
|
||
) (
|
||
<collectionCode id="ED44AE4D36500464FEC2F83B6827F85E" box="[283,363,1940,1964]" pageId="8" pageNumber="553">ZSMA</collectionCode>
|
||
20130010-20130012) -
|
||
<specimenCount id="9D53FD0136500464FD5AF83B6BE3F85E" box="[643,687,1940,1964]" pageId="8" pageNumber="553" type="generic">3 ♂</specimenCount>
|
||
2 ♀ (18.11 × 17.82, 11.6 × 11.39, 11.55 × 11.55, 13.52 × 13.44, 11.26 ×
|
||
<quantity id="4CAD9B6D36500464FF2DF817682CF822" box="[244,352,1976,2000]" metricMagnitude="-2" metricUnit="m" metricValue="1.0699999999999998" pageId="8" pageNumber="553" unit="mm" value="10.7">10.70mm</quantity>
|
||
) (
|
||
<collectionCode id="ED44AE4D36500464FEAFF8176897F822" box="[374,475,1976,2000]" pageId="8" pageNumber="553">MZUCR</collectionCode>
|
||
3173-01) -
|
||
<specimenCount id="9D53FD0136500464FDBAF8176BC1F822" box="[611,653,1976,2000]" pageId="8" pageNumber="553" type="generic">3 ♂</specimenCount>
|
||
3 ♀ (15.49 × 15.38, 9.62 × 9.48, 6.36 × 6.19, 13.48 × 13.21, 13.06 × 12.98, 6.10 ×
|
||
<quantity id="4CAD9B6D36500464FEEAF87368DDF807" box="[307,401,2012,2037]" metricMagnitude="-3" metricUnit="m" metricValue="6.1" pageId="8" pageNumber="553" unit="mm" value="6.1">6.10mm</quantity>
|
||
) (
|
||
<collectionCode id="ED44AE4D36500464FE7EF87368ADF806" LSID="urn:lsid:biocol.org:col:34838" box="[423,481,2012,2036]" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34838" name="Forschungsinstitut und Natur-Museum Senckenberg" pageId="8" pageNumber="553">SMF</collectionCode>
|
||
43532), coll. N. Thiercelin & T. Poettinger,
|
||
<date id="FFEB104836500464FC0AF8736D64F806" box="[979,1064,2012,2036]" pageId="8" pageNumber="553" value="1929-04">29 Apr.</date>
|
||
&
|
||
<date id="FFEB104836500464FB92F8736D99F806" box="[1099,1237,2012,2037]" pageId="8" pageNumber="553" value="2011-05-02">2 May 2011</date>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<caption id="DF2A660036510465FF4EF81D6C2FF815" httpUri="https://zenodo.org/record/229923/files/figure.png" pageId="9" pageNumber="554" targetBox="[241,1338,193,1943]" targetPageId="9">
|
||
<paragraph id="8BEA368836510465FF4EF81D6C2FF815" blockId="9.[151,1436,1970,2023]" pageId="9" pageNumber="554">
|
||
<emphasis id="B921EA9A36510465FF4EF81D6858F835" bold="true" box="[151,276,1970,1992]" pageId="9" pageNumber="554">FIGURE 8.</emphasis>
|
||
First male left gonopods of
|
||
<taxonomicName id="4C554D0B36510465FDE7F81C6A69F83A" authority="(Brazil)" baseAuthorityName="Brazil" box="[574,805,1970,1992]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="554" phylum="Arthropoda" rank="species" species="pisonii">
|
||
<emphasis id="B921EA9A36510465FDE7F81C6B82F83A" box="[574,718,1971,1992]" italics="true" pageId="9" pageNumber="554">Aratus pisonii</emphasis>
|
||
(Brazil)
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C554D0B36510465FC83F81C6D4DF83A" box="[858,1025,1970,1992]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="9" pageNumber="554" phylum="Arthropoda" rank="species" species="pacificus" status="sp. nov.">
|
||
<emphasis id="B921EA9A36510465FC83F81C6D4DF83A" box="[858,1025,1970,1992]" italics="true" pageId="9" pageNumber="554">Aratus pacificus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B921EA9A36510465FBD0F81C6D08F83A" bold="true" box="[1033,1092,1971,1992]" pageId="9" pageNumber="554">
|
||
<taxonomicNameLabel id="A21257E136510465FBD0F81C6D08F83A" box="[1033,1092,1971,1992]" pageId="9" pageNumber="554" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
as observed in scanning electron microscopy (SEM) in longitudinal mesial (A–F), dorsal (G–L), lateral (M–R) and ventral (S–X) views. CW × CL in mm.
|
||
</paragraph>
|
||
</caption>
|
||
<caption id="DF2A660036520466FF4EFAFC6D97FA75" httpUri="https://zenodo.org/record/229924/files/figure.png" pageId="10" pageNumber="555" targetBox="[151,1436,193,1340]" targetPageId="10">
|
||
<paragraph id="8BEA368836520466FF4EFAFC6D97FA75" blockId="10.[151,1436,1363,1415]" pageId="10" pageNumber="555">
|
||
<emphasis id="B921EA9A36520466FF4EFAFC6858FA9A" bold="true" box="[151,276,1363,1385]" pageId="10" pageNumber="555">FIGURE 9.</emphasis>
|
||
First male left gonopods of
|
||
<taxonomicName id="4C554D0B36520466FDE7FAFC6A69FA9B" authority="(Brazil)" baseAuthorityName="Brazil" box="[574,805,1363,1385]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="555" phylum="Arthropoda" rank="species" species="pisonii">
|
||
<emphasis id="B921EA9A36520466FDE7FAFC6B82FA9B" box="[574,718,1363,1385]" italics="true" pageId="10" pageNumber="555">Aratus pisonii</emphasis>
|
||
(Brazil)
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C554D0B36520466FC83FAFC6D4DFA9B" box="[858,1025,1363,1385]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="10" pageNumber="555" phylum="Arthropoda" rank="species" species="pacificus" status="sp. nov.">
|
||
<emphasis id="B921EA9A36520466FC83FAFC6D4DFA9B" box="[858,1025,1363,1385]" italics="true" pageId="10" pageNumber="555">Aratus pacificus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B921EA9A36520466FBD0FAFC6D08FA9A" bold="true" box="[1033,1092,1363,1384]" pageId="10" pageNumber="555">
|
||
<taxonomicNameLabel id="A21257E136520466FBD0FAFC6D08FA9A" box="[1033,1092,1363,1384]" pageId="10" pageNumber="555" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
as observed in scanning electron microscopy (SEM) in apical view (A–F), detail of the endpiece in lateral view (G–L) and total view (M–R).
|
||
</paragraph>
|
||
</caption>
|
||
<subSubSection id="C34F650336520467FF1EFA1B6A6BFD3F" lastPageId="11" lastPageNumber="556" pageId="10" pageNumber="555" type="description">
|
||
<paragraph id="8BEA368836520466FF1EFA1B6A82F852" blockId="10.[151,1437,1460,2025]" pageId="10" pageNumber="555">
|
||
<emphasis id="B921EA9A36520466FF1EFA1B6815FA3F" bold="true" box="[199,345,1460,1485]" pageId="10" pageNumber="555">Description.</emphasis>
|
||
Carapace trapezoidal, frontal margin conspicuously wide, orbits extending to anterolateral margin; front vertical, four lobes, about 4 times as long as deep; lateral margins subparallel, upper margin with row of granules, clear median groove separating wider outer lobes from inner lobes. Lower margin divided by median incision. Postorbital angles acute; lateral margins carinate, convergent, posterior margin slightly rounded. Presence of 5 or 6 subparallel carinae running obliquely along posterior half of lateral margin in direction to postlateral angle; carapace regions sharply delineated; granular frontal region, gastric lobes, sides finely punctate, remaining upper surface smooth, shiny. Pterygostomial region finely, regularly beaded. Seven-segmented male and female abdomens, subcircular, except for last somite abruptly narrowed with distal margin rounded. Transversely folded antennules under frontal margin. Small antennae excluded from orbit by broad, rounded lobe. Short eyestalk; large cornea, terminal, well developed. Well separated external third maxillipeds, with distance between them near equal to width of one ischium maxilliped. Unequally suboval ischium, inner side more convex than outer side; distinct median channel on ischium of outer face; oblong oval merus, scarcely one-sixth longer than ischium, with distinct groove subparallel to outer margin, deeper groove obliquely channelling median region; narrow palp elongate, setiferous; maxillipeds inner lateral margins fringed with long, stiff setae.
|
||
</paragraph>
|
||
<paragraph id="8BEA368836520467FF1EF8036AB2FE97" blockId="10.[151,1437,1460,2025]" lastBlockId="11.[151,1437,151,2013]" lastPageId="11" lastPageNumber="556" pageId="10" pageNumber="555">Chelipeds sexually dimorphic. Small cheliped with sharp subdistal tooth on upper ischial margin; three-sided merus, granular on lower surface margins; convex carpus, granular. Greatly dilated male propodus, convex, granular, furnished with clusters of stiff bristles; fingers nearly as long as palm, gaping widely in males, tips meeting, inner edges weakly dentate; bristles present on proximal half of both fingers. Ambulatories long, slender, decreasing in length anteriorly from fourth to second; meral joint oblong, suboval, one-third as wide as long, anterior lateral margin with acute subdistal tooth; upper surface roughly granular; elongated carpus, narrowed basally, dilated distally with 2 longitudinal carinae; distally narrowed propodus about twice carpus length; short dactyli, stout, less than one-third of propodi length, conspicuously acuminate.</paragraph>
|
||
<paragraph id="8BEA368836530467FF1EFEC06A6BFD3F" blockId="11.[151,1437,151,2013]" pageId="11" pageNumber="556">
|
||
First male gonopod (
|
||
<figureCitation id="136E2A0D36530467FE68FEC068B3FE7A" box="[433,511,367,392]" captionStart="FIGURE 3" captionStartId="4.[151,250,1953,1975]" captionTargetBox="[428,1158,193,1931]" captionTargetId="figure@4.[428,1158,193,1932]" captionTargetPageId="4" captionText="FIGURE 3. First male left gonopods of Aratus pisonii and Aratus pacificus n. sp. observed in scanning electron microscopy (SEM) in longitudinal mesial (A – D), dorsal (E – H), lateral (I – L) and ventral (M – P) views. CW × CL in mm. Abbreviations: s, suture; t, chitinous tip." httpUri="https://zenodo.org/record/229918/files/figure.png" pageId="11" pageNumber="556">Figs. 3</figureCitation>
|
||
C, D, G, H, K, L,
|
||
<collectingCountry id="F342761836530467FD1EFEDF6B91FE7A" box="[711,733,368,392]" name="Iceland" pageId="11" pageNumber="556">O</collectingCountry>
|
||
, P; 4C, D, G, H, K, L; 8C, D, E, F, I, J, K, L,
|
||
<collectingCountry id="F342761836530467FB39FEDF6DBAFE7A" box="[1248,1270,368,392]" name="Iceland" pageId="11" pageNumber="556">O</collectingCountry>
|
||
, P, Q, R, U, V, W, X; 9C, D, E, F, I, J, K, L,
|
||
<collectingCountry id="F342761836530467FE07FE3B68B8FE5E" box="[478,500,404,428]" name="Iceland" pageId="11" pageNumber="556">O</collectingCountry>
|
||
, P, Q, R) elongated, slender. Stem triangular in cross section; basal diameter wider than medial diameter. Mesial, ventral faces flat; slanted suture (sperm channel) clearly marked on dorsal face with terminal section in strongly marked depression; endpiece larger than medial part, easily noticeable in mesial, lateral views, endpiece bulging in lateral part; dorsal part almost spoon-shaped in mesial view. Mesial endpiece ventral, dorsal parts at same level (horizontal in mesial view); tip short, chitinous and slightly curved (approx. 90°) in medial position of apex, with pore on dorsal margin; suture aligned with pore on chitinous tip; mesial face of chitinous tip/mesial face approx. 130°; small denticles on lateral face of chitinous process. Large number of long setae on apex around chitinous tip, lateral, dorsal sides of endpiece lateral bulge. Row of setae on endpiece at edge between mesial, dorsal faces. Few short setae on gonopod.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34F650336530467FF1EFD7869AAFCCA" pageId="11" pageNumber="556" type="etymology">
|
||
<paragraph id="8BEA368836530467FF1EFD7869AAFCCA" blockId="11.[151,1437,151,2013]" pageId="11" pageNumber="556">
|
||
<emphasis id="B921EA9A36530467FF1EFD786802FD02" bold="true" box="[199,334,727,752]" pageId="11" pageNumber="556">Etymology.</emphasis>
|
||
The epithet
|
||
<taxonomicName id="4C554D0B36530467FE2BFD776B1BFD02" box="[498,599,728,752]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pacificus">
|
||
<emphasis id="B921EA9A36530467FE2BFD776B1BFD02" box="[498,599,728,752]" italics="true" pageId="11" pageNumber="556">pacificus</emphasis>
|
||
</taxonomicName>
|
||
refers to the geographical distribution of the new species, which is distributed in the eastern Pacific Ocean, in contrast to
|
||
<taxonomicName id="4C554D0B36530467FCD2FD536AE7FCE6" box="[779,939,764,788]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pisonii">
|
||
<emphasis id="B921EA9A36530467FCD2FD536AE7FCE6" box="[779,939,764,788]" italics="true" pageId="11" pageNumber="556">Aratus pisonii</emphasis>
|
||
</taxonomicName>
|
||
, which is restricted to the western Atlantic Ocean.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34F650336530467FF1EFCEB6995F9FA" pageId="11" pageNumber="556" type="biology_ecology">
|
||
<paragraph id="8BEA368836530467FF1EFCEB6AB1FBE2" blockId="11.[151,1437,151,2013]" pageId="11" pageNumber="556">
|
||
<emphasis id="B921EA9A36530467FF1EFCEB686BFCAF" bold="true" box="[199,295,836,861]" pageId="11" pageNumber="556">Biology.</emphasis>
|
||
Found in mangroves from estuaries and lagoons, in saline to hypersaline (e.g. SMF 43530, RMNH.CRUS.D.55083-55084) or brackish waters (e.g. MZUCR 3173-01, ZSMA20130011). Rebolledo-Navarro & Wehrtmann (2012) and Wehrtmann & Rebolledo-Navarro (2012) compared the ecology of
|
||
<taxonomicName id="4C554D0B36530467FB01FC236C0BFC56" box="[1240,1351,908,932]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pisonii">
|
||
<emphasis id="B921EA9A36530467FB01FC236C0BFC56" box="[1240,1351,908,932]" italics="true" pageId="11" pageNumber="556">A. pisonii</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="4C554D0B36530467FA5DFC2369B0FC3A" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pacificus" status="sp. nov.">
|
||
<emphasis id="B921EA9A36530467FA5DFC2369B0FC3A" italics="true" pageId="11" pageNumber="556">A. pacificus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B921EA9A36530467FEDAFC00680DFC3A" bold="true" box="[259,321,943,968]" pageId="11" pageNumber="556">
|
||
<taxonomicNameLabel id="A21257E136530467FEDAFC00680DFC3A" box="[259,321,943,968]" pageId="11" pageNumber="556" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
in
|
||
<collectingCountry id="F342761836530467FEBCFC1F68AFFC3A" box="[357,483,943,968]" name="Costa Rica" pageId="11" pageNumber="556">Costa Rica</collectingCountry>
|
||
. They observed 1) smaller egg volume in
|
||
<taxonomicName id="4C554D0B36530467FC61FC1F6D70FC3A" box="[952,1084,944,968]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pacificus" status="sp. nov.">
|
||
<emphasis id="B921EA9A36530467FC61FC1F6D70FC3A" box="[952,1084,944,968]" italics="true" pageId="11" pageNumber="556">A. pacificus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B921EA9A36530467FB9AFC006DCDFC3A" bold="true" box="[1091,1153,943,968]" pageId="11" pageNumber="556">
|
||
<taxonomicNameLabel id="A21257E136530467FB9AFC006DCDFC3A" box="[1091,1153,943,968]" pageId="11" pageNumber="556" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
than in
|
||
<taxonomicName id="4C554D0B36530467FB05FC1F6C0BFC35" box="[1244,1351,944,967]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pisonii">
|
||
<emphasis id="B921EA9A36530467FB05FC1F6C0BFC35" box="[1244,1351,944,967]" italics="true" pageId="11" pageNumber="556">A. pisonii</emphasis>
|
||
</taxonomicName>
|
||
, and 2) differences in the population structure of the two species, with females found in an intermediate size class in
|
||
<taxonomicName id="4C554D0B36530467FA5DFC7B69B0FBE2" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pacificus" status="sp. nov.">
|
||
<emphasis id="B921EA9A36530467FA5DFC7B69B0FBE2" italics="true" pageId="11" pageNumber="556">A. pacificus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B921EA9A36530467FEDAFC58680EFBE2" bold="true" box="[259,322,1015,1040]" pageId="11" pageNumber="556">
|
||
<taxonomicNameLabel id="A21257E136530467FEDAFC58680EFBE2" box="[259,322,1015,1040]" pageId="11" pageNumber="556" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, whereas in
|
||
<taxonomicName id="4C554D0B36530467FE16FC576B76FBFD" box="[463,570,1016,1039]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pisonii">
|
||
<emphasis id="B921EA9A36530467FE16FC576B76FBFD" box="[463,570,1016,1039]" italics="true" pageId="11" pageNumber="556">A. pisonii</emphasis>
|
||
</taxonomicName>
|
||
females are found in larger size classes.
|
||
</paragraph>
|
||
<paragraph id="8BEA368836530467FF1EFBB36ABBFA6E" blockId="11.[151,1437,151,2013]" pageId="11" pageNumber="556">
|
||
<emphasis id="B921EA9A36530467FF1EFBB36803FBC7" bold="true" box="[199,335,1052,1077]" pageId="11" pageNumber="556">Coloration.</emphasis>
|
||
Wehrtmann & Rebolledo-Navarro (2012) pointed out differences between the coloration of Atlantic and Pacific populations in
|
||
<collectingCountry id="F342761836530467FDE9FBEF6BFCFBAA" box="[560,688,1087,1112]" name="Costa Rica" pageId="11" pageNumber="556">Costa Rica</collectingCountry>
|
||
, with the Atlantic population having reddish chelae, whereas the Pacific populations have red-orange chelae. Similar patterns were observed in
|
||
<collectingCountry id="F342761836530467FB9EFBCA6DECFB8E" box="[1095,1184,1125,1148]" name="Panama" pageId="11" pageNumber="556">Panama</collectingCountry>
|
||
(R. Lasley and C.S. McKeon, personal communication). We remain cautious concerning the reliability of the live coloration, however, as variability was observed in the field between specimens from north and central
|
||
<collectingCountry id="F342761836530467FB9AFB036DC7FB37" box="[1091,1163,1196,1221]" name="Brazil" pageId="11" pageNumber="556">Brazil</collectingCountry>
|
||
. Photographs of Florida specimens even exhibit a different coloration with purple coloration on the external side and reddish on the inner side of the chelae, which differs from the Brazilian populations which present only reddish pattern on both sides of the chelae. It remains difficult to use the color pattern to distinguish between the two species, as long as the variability is not clearly established between the different populations of
|
||
<taxonomicName id="4C554D0B36530467FC1BFA936D13FAA6" box="[962,1119,1340,1364]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" sensu="stricto" species="pisonii">
|
||
<emphasis id="B921EA9A36530467FC1BFA936D13FAA6" box="[962,1119,1340,1364]" italics="true" pageId="11" pageNumber="556">Aratus pisonii</emphasis>
|
||
</taxonomicName>
|
||
<taxonomicNameLabel id="A21257E136530467FBBFFA926DBCFAA7" box="[1126,1264,1340,1365]" pageId="11" pageNumber="556" sensu="stricto">sensu stricto</taxonomicNameLabel>
|
||
along its entire distribution range. The carpi of the ambulatory legs of alcohol-preserved specimens often exhibit stripes in
|
||
<taxonomicName id="4C554D0B36530467FA88FACF69B0FA6E" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pacificus" status="sp. nov.">
|
||
<emphasis id="B921EA9A36530467FA88FACF69B0FA6E" italics="true" pageId="11" pageNumber="556">Aratus pacificus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B921EA9A36530467FEDAFA2B680EFA6F" bold="true" box="[259,322,1412,1437]" pageId="11" pageNumber="556">
|
||
<taxonomicNameLabel id="A21257E136530467FEDAFA2B680EFA6F" box="[259,322,1412,1437]" pageId="11" pageNumber="556" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, whereas they are of a homogeneous colour in
|
||
<taxonomicName id="4C554D0B36530467FC8AFA2B6ABCFA6E" box="[851,1008,1412,1436]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pisonii">
|
||
<emphasis id="B921EA9A36530467FC8AFA2B6ABCFA6E" box="[851,1008,1412,1436]" italics="true" pageId="11" pageNumber="556">Aratus pisonii</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8BEA368836530467FF1EFA086995F9FA" blockId="11.[151,1437,151,2013]" pageId="11" pageNumber="556">
|
||
<emphasis id="B921EA9A36530467FF1EFA086B44FA32" bold="true" box="[199,520,1447,1472]" pageId="11" pageNumber="556">Geographical distribution.</emphasis>
|
||
Tropical eastern Pacific coastline, from Baja California to
|
||
<collectingCountry id="F342761836530467FB67FA066DBEFA32" box="[1214,1266,1449,1472]" name="Peru" pageId="11" pageNumber="556">Peru</collectingCountry>
|
||
(
|
||
<bibRefCitation id="EFC44B7936530467FADDFA07699FFA16" author="Beever" pageId="11" pageNumber="556" refString="Beever, J. W., Simberloff, D. & King, L. L. (1979) Herbivory and predation by the mangrove tree crab Aratus pisonii. Oecologia, 43, 317 - 329. http: // dx. doi. org / 10.1007 / bf 00344958" type="journal article" year="1979">
|
||
Beever
|
||
<emphasis id="B921EA9A36530467FAB9FA066CD0FA32" box="[1376,1436,1448,1472]" italics="true" pageId="11" pageNumber="556">et al.</emphasis>
|
||
1979
|
||
</bibRefCitation>
|
||
), although only specimens between
|
||
<collectingCountry id="F342761836530467FDB5FA636BAAFA17" box="[620,742,1484,1509]" name="Costa Rica" pageId="11" pageNumber="556">Costa Rica</collectingCountry>
|
||
and
|
||
<collectingCountry id="F342761836530467FCC6FA636A30FA17" box="[799,892,1484,1509]" name="Ecuador" pageId="11" pageNumber="556">Ecuador</collectingCountry>
|
||
have had their identity confirmed in the present study.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C34F650336530460FF1EF9BB6C22FEEF" lastPageId="12" lastPageNumber="557" pageId="11" pageNumber="556" type="discussion">
|
||
<paragraph id="8BEA368836530460FF1EF9BB6C22FEEF" blockId="11.[151,1437,151,2013]" lastBlockId="12.[151,1437,151,285]" lastPageId="12" lastPageNumber="557" pageId="11" pageNumber="556">
|
||
<emphasis id="B921EA9A36530467FF1EF9BB6877F9DF" bold="true" box="[199,315,1556,1581]" pageId="11" pageNumber="556">Remarks.</emphasis>
|
||
<taxonomicName id="4C554D0B36530467FE9BF9BB68B4F9DE" box="[322,504,1556,1580]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pacificus" status="sp. nov.">
|
||
<emphasis id="B921EA9A36530467FE9BF9BB68B4F9DE" box="[322,504,1556,1580]" italics="true" pageId="11" pageNumber="556">Aratus pacificus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B921EA9A36530467FE26F9BB6B72F9DF" bold="true" box="[511,574,1556,1581]" pageId="11" pageNumber="556">
|
||
<taxonomicNameLabel id="A21257E136530467FE26F9BB6B72F9DF" box="[511,574,1556,1581]" pageId="11" pageNumber="556" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
can be distinguished from
|
||
<taxonomicName id="4C554D0B36530467FCB7F9BB6A95F9DE" box="[878,985,1556,1580]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pisonii">
|
||
<emphasis id="B921EA9A36530467FCB7F9BB6A95F9DE" box="[878,985,1556,1580]" italics="true" pageId="11" pageNumber="556">A. pisonii</emphasis>
|
||
</taxonomicName>
|
||
by their respective male first gonopods. The gonopod of
|
||
<taxonomicName id="4C554D0B36530467FE88F997689AF9A2" box="[337,470,1592,1616]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pacificus" status="sp. nov.">
|
||
<emphasis id="B921EA9A36530467FE88F997689AF9A2" box="[337,470,1592,1616]" italics="true" pageId="11" pageNumber="556">A. pacificus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B921EA9A36530467FE04F9986B50F9A2" bold="true" box="[477,540,1591,1616]" pageId="11" pageNumber="556">
|
||
<taxonomicNameLabel id="A21257E136530467FE04F9986B50F9A2" box="[477,540,1591,1616]" pageId="11" pageNumber="556" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
is slightly more slender than the gonopod of
|
||
<taxonomicName id="4C554D0B36530467FBC3F9976DC9F9BD" box="[1050,1157,1592,1615]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pisonii">
|
||
<emphasis id="B921EA9A36530467FBC3F9976DC9F9BD" box="[1050,1157,1592,1615]" italics="true" pageId="11" pageNumber="556">A. pisonii</emphasis>
|
||
</taxonomicName>
|
||
. In
|
||
<taxonomicName id="4C554D0B36530467FB6BF9976C51F9BD" box="[1202,1309,1592,1615]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pisonii">
|
||
<emphasis id="B921EA9A36530467FB6BF9976C51F9BD" box="[1202,1309,1592,1615]" italics="true" pageId="11" pageNumber="556">A. pisonii</emphasis>
|
||
</taxonomicName>
|
||
the ventral mesial part of the terminal end is higher than the dorsal part (angle approx. 25° in mesial view), whereas both parts are at the same level in
|
||
<taxonomicName id="4C554D0B36530467FE47F92F6B6DF96A" box="[414,545,1664,1688]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pacificus" status="sp. nov.">
|
||
<emphasis id="B921EA9A36530467FE47F92F6B6DF96A" box="[414,545,1664,1688]" italics="true" pageId="11" pageNumber="556">A. pacificus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B921EA9A36530467FDF1F9D06B2BF96A" bold="true" box="[552,615,1663,1688]" pageId="11" pageNumber="556">
|
||
<taxonomicNameLabel id="A21257E136530467FDF1F9D06B2BF96A" box="[552,615,1663,1688]" pageId="11" pageNumber="556" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
(
|
||
<figureCitation id="136E2A0D36530467FDAFF9D06B8DF96A" box="[630,705,1663,1688]" captionStart="FIGURE 3" captionStartId="4.[151,250,1953,1975]" captionTargetBox="[428,1158,193,1931]" captionTargetId="figure@4.[428,1158,193,1932]" captionTargetPageId="4" captionText="FIGURE 3. First male left gonopods of Aratus pisonii and Aratus pacificus n. sp. observed in scanning electron microscopy (SEM) in longitudinal mesial (A – D), dorsal (E – H), lateral (I – L) and ventral (M – P) views. CW × CL in mm. Abbreviations: s, suture; t, chitinous tip." httpUri="https://zenodo.org/record/229918/files/figure.png" pageId="11" pageNumber="556">Figs. 3</figureCitation>
|
||
A–D, 6A–F and 8A–F). The chitinous tip is located ventrally and is U-shaped in
|
||
<taxonomicName id="4C554D0B36530467FE99F90B68E0F94E" box="[320,428,1700,1724]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pisonii">
|
||
<emphasis id="B921EA9A36530467FE99F90B68E0F94E" box="[320,428,1700,1724]" italics="true" pageId="11" pageNumber="556">A. pisonii</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<figureCitation id="136E2A0D36530467FE65F90B6B46F94E" box="[444,522,1700,1725]" captionStart="FIGURE 4" captionStartId="5.[151,250,1522,1544]" captionTargetBox="[286,1299,193,1500]" captionTargetId="figure@5.[286,1300,193,1501]" captionTargetPageId="5" captionText="FIGURE 4. First male left gonopods of Aratus pisonii and Aratus pacificus n. sp. observed in scanning electron microscopy (SEM) in apical view (A – D), detail of the endpiece in lateral view (E – H) and total view (I – L). Abbreviation: d, depression." httpUri="https://zenodo.org/record/229919/files/figure.png" pageId="11" pageNumber="556">Figs. 4</figureCitation>
|
||
A, B, E, F, 7A–L, 9A, B, G, H), whereas the tip has a central position on the apex and is curved not more than 90° in
|
||
<taxonomicName id="4C554D0B36530467FDC5F9676BECF912" box="[540,672,1736,1760]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pacificus" status="sp. nov.">
|
||
<emphasis id="B921EA9A36530467FDC5F9676BECF912" box="[540,672,1736,1760]" italics="true" pageId="11" pageNumber="556">A. pacificus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B921EA9A36530467FD7FF9686BA9F912" bold="true" box="[678,741,1735,1760]" pageId="11" pageNumber="556">
|
||
<taxonomicNameLabel id="A21257E136530467FD7FF9686BA9F912" box="[678,741,1735,1760]" pageId="11" pageNumber="556" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
(
|
||
<figureCitation id="136E2A0D36530467FD2DF9686A0DF912" box="[756,833,1735,1760]" captionStart="FIGURE 4" captionStartId="5.[151,250,1522,1544]" captionTargetBox="[286,1299,193,1500]" captionTargetId="figure@5.[286,1300,193,1501]" captionTargetPageId="5" captionText="FIGURE 4. First male left gonopods of Aratus pisonii and Aratus pacificus n. sp. observed in scanning electron microscopy (SEM) in apical view (A – D), detail of the endpiece in lateral view (E – H) and total view (I – L). Abbreviation: d, depression." httpUri="https://zenodo.org/record/229919/files/figure.png" pageId="11" pageNumber="556">Figs. 4</figureCitation>
|
||
C, D, G, H, 9C–F and
|
||
<date id="FFEB104836530467FBEFF9676D02F912" box="[1078,1102,1736,1760]" pageId="11" pageNumber="556">9I</date>
|
||
–L). A small depression at the base of tip is present in
|
||
<taxonomicName id="4C554D0B36530467FE46F9436B46F8F6" box="[415,522,1772,1796]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pisonii">
|
||
<emphasis id="B921EA9A36530467FE46F9436B46F8F6" box="[415,522,1772,1796]" italics="true" pageId="11" pageNumber="556">A. pisonii</emphasis>
|
||
</taxonomicName>
|
||
, but absent in
|
||
<taxonomicName id="4C554D0B36530467FD74F9436A7DF8F6" box="[685,817,1772,1796]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pacificus" status="sp. nov.">
|
||
<emphasis id="B921EA9A36530467FD74F9436A7DF8F6" box="[685,817,1772,1796]" italics="true" pageId="11" pageNumber="556">A. pacificus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B921EA9A36530467FCE1F9436A3AF8F7" bold="true" box="[824,886,1772,1797]" pageId="11" pageNumber="556">
|
||
<taxonomicNameLabel id="A21257E136530467FCE1F9436A3AF8F7" box="[824,886,1772,1797]" pageId="11" pageNumber="556" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
(
|
||
<figureCitation id="136E2A0D36530467FC5CF9436A9EF8F6" box="[901,978,1772,1797]" captionStart="FIGURE 4" captionStartId="5.[151,250,1522,1544]" captionTargetBox="[286,1299,193,1500]" captionTargetId="figure@5.[286,1300,193,1501]" captionTargetPageId="5" captionText="FIGURE 4. First male left gonopods of Aratus pisonii and Aratus pacificus n. sp. observed in scanning electron microscopy (SEM) in apical view (A – D), detail of the endpiece in lateral view (E – H) and total view (I – L). Abbreviation: d, depression." httpUri="https://zenodo.org/record/229919/files/figure.png" pageId="11" pageNumber="556">Figs. 4</figureCitation>
|
||
A–D, 7A–F and 9A–F). In
|
||
<taxonomicName id="4C554D0B36530467FAD8F9436C20F8F6" box="[1281,1388,1772,1796]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pisonii">
|
||
<emphasis id="B921EA9A36530467FAD8F9436C20F8F6" box="[1281,1388,1772,1796]" italics="true" pageId="11" pageNumber="556">A. pisonii</emphasis>
|
||
</taxonomicName>
|
||
, the suture is aligned with the edge of the chitinous tip on the apex (
|
||
<figureCitation id="136E2A0D36530467FCBAF8A06AE3F8DA" box="[867,943,1807,1832]" captionStart="FIGURE 3" captionStartId="4.[151,250,1953,1975]" captionTargetBox="[428,1158,193,1931]" captionTargetId="figure@4.[428,1158,193,1932]" captionTargetPageId="4" captionText="FIGURE 3. First male left gonopods of Aratus pisonii and Aratus pacificus n. sp. observed in scanning electron microscopy (SEM) in longitudinal mesial (A – D), dorsal (E – H), lateral (I – L) and ventral (M – P) views. CW × CL in mm. Abbreviations: s, suture; t, chitinous tip." httpUri="https://zenodo.org/record/229918/files/figure.png" pageId="11" pageNumber="556">Figs. 3</figureCitation>
|
||
E–F, 5, 6G–L and 8G, H). In
|
||
<taxonomicName id="4C554D0B36530467FB20F8BF6C32F8DA" box="[1273,1406,1808,1832]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pacificus" status="sp. nov.">
|
||
<emphasis id="B921EA9A36530467FB20F8BF6C32F8DA" box="[1273,1406,1808,1832]" italics="true" pageId="11" pageNumber="556">A. pacificus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B921EA9A36530467FA5CF8A069F4F8BF" bold="true" pageId="11" pageNumber="556">
|
||
<taxonomicNameLabel id="A21257E136530467FA5CF8A069F4F8BF" pageId="11" pageNumber="556" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
, in contrast, the suture is aligned with the pore on the chitinous tip (
|
||
<figureCitation id="136E2A0D36530467FC19F89B6D4DF8BE" box="[960,1025,1844,1869]" captionStart="FIGURE 3" captionStartId="4.[151,250,1953,1975]" captionTargetBox="[428,1158,193,1931]" captionTargetId="figure@4.[428,1158,193,1932]" captionTargetPageId="4" captionText="FIGURE 3. First male left gonopods of Aratus pisonii and Aratus pacificus n. sp. observed in scanning electron microscopy (SEM) in longitudinal mesial (A – D), dorsal (E – H), lateral (I – L) and ventral (M – P) views. CW × CL in mm. Abbreviations: s, suture; t, chitinous tip." httpUri="https://zenodo.org/record/229918/files/figure.png" pageId="11" pageNumber="556">Fig. 3</figureCitation>
|
||
G, H,
|
||
<date id="FFEB104836530467FB9FF89B6DEFF8BE" box="[1094,1187,1844,1869]" pageId="11" pageNumber="556">5 and 8I</date>
|
||
–L). This also implies that it is possible to measure the angle in dorsal view between the mesial face of the chitinous tip and the suture in
|
||
<taxonomicName id="4C554D0B36530467FF4EF8D3684EF866" box="[151,258,1916,1940]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pisonii">
|
||
<emphasis id="B921EA9A36530467FF4EF8D3684EF866" box="[151,258,1916,1940]" italics="true" pageId="11" pageNumber="556">A. pisonii</emphasis>
|
||
</taxonomicName>
|
||
(approx. 115°), which is not possible in
|
||
<taxonomicName id="4C554D0B36530467FD10F8D36A01F866" box="[713,845,1916,1940]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pacificus" status="sp. nov.">
|
||
<emphasis id="B921EA9A36530467FD10F8D36A01F866" box="[713,845,1916,1940]" italics="true" pageId="11" pageNumber="556">A. pacificus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B921EA9A36530467FC8DF8D36ADFF867" bold="true" box="[852,915,1916,1941]" pageId="11" pageNumber="556">
|
||
<taxonomicNameLabel id="A21257E136530467FC8DF8D36ADFF867" box="[852,915,1916,1941]" pageId="11" pageNumber="556" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
(
|
||
<figureCitation id="136E2A0D36530467FC7AF8D36AA9F867" box="[931,997,1916,1941]" captionStart="FIGURE 5" captionStartId="6.[151,250,1960,1982]" captionTargetBox="[541,1047,808,1960]" captionTargetId="figure@6.[511,1083,772,1960]" captionTargetPageId="6" captionText="FIGURE 5. Schematic drawing of a left first male gonopod in dorsal view showing the alignment differences of the suture compared to the chitinous tip in Aratus pisonii (full line) and Aratus pacificus n. sp. (dashed line). Abbreviation: p, pore." httpUri="https://zenodo.org/record/229920/files/figure.png" pageId="11" pageNumber="556">Fig. 5</figureCitation>
|
||
). The angle between the mesial side of the gonopod and the mesial side of the chitinous tip is approx. 110° in dorsal view in
|
||
<taxonomicName id="4C554D0B36530467FB97F80F6DF4F84A" box="[1102,1208,1952,1976]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pisonii">
|
||
<emphasis id="B921EA9A36530467FB97F80F6DF4F84A" box="[1102,1208,1952,1976]" italics="true" pageId="11" pageNumber="556">A. pisonii</emphasis>
|
||
</taxonomicName>
|
||
and approx. 130° in
|
||
<taxonomicName id="4C554D0B36530467FF4EF86B6853F82E" box="[151,287,1988,2012]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="11" pageNumber="556" phylum="Arthropoda" rank="species" species="pacificus" status="sp. nov.">
|
||
<emphasis id="B921EA9A36530467FF4EF86B6853F82E" box="[151,287,1988,2012]" italics="true" pageId="11" pageNumber="556">A. pacificus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B921EA9A36530467FEF3F86B6820F82F" bold="true" box="[298,364,1988,2013]" pageId="11" pageNumber="556">
|
||
<taxonomicNameLabel id="A21257E136530467FEF3F86B6820F82F" box="[298,364,1988,2013]" pageId="11" pageNumber="556" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
(
|
||
<figureCitation id="136E2A0D36530467FE59F86B6883F82E" box="[384,463,1988,2013]" captionStart="FIGURE 3" captionStartId="4.[151,250,1953,1975]" captionTargetBox="[428,1158,193,1931]" captionTargetId="figure@4.[428,1158,193,1932]" captionTargetPageId="4" captionText="FIGURE 3. First male left gonopods of Aratus pisonii and Aratus pacificus n. sp. observed in scanning electron microscopy (SEM) in longitudinal mesial (A – D), dorsal (E – H), lateral (I – L) and ventral (M – P) views. CW × CL in mm. Abbreviations: s, suture; t, chitinous tip." httpUri="https://zenodo.org/record/229918/files/figure.png" pageId="11" pageNumber="556">Figs. 3</figureCitation>
|
||
E–H, 6G–L and 8G–L). Allometric changes in the gonopod shape can be observed between the smallest and largest specimens in both species (as in specimens NHMW25475 and NHMW25477 for
|
||
<emphasis id="B921EA9A36540460FF4EFF136847FF26" box="[151,267,188,212]" italics="true" pageId="12" pageNumber="557">
|
||
<taxonomicName id="4C554D0B36540460FF4EFF136849FF26" box="[151,261,188,212]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="557" phylum="Arthropoda" rank="species" species="pisonii">A. pisonii</taxonomicName>
|
||
;
|
||
</emphasis>
|
||
MZUCR 3173-01 (18.11 ×
|
||
<quantity id="4CAD9B6D36540460FD9CFF136BFDFF26" box="[581,689,188,212]" metricMagnitude="-2" metricUnit="m" metricValue="1.782" pageId="12" pageNumber="557" unit="mm" value="17.82">17.82mm</quantity>
|
||
) and MZUCR 3173-01 (11.60 ×
|
||
<quantity id="4CAD9B6D36540460FBF8FF136DC0FF26" box="[1057,1164,188,212]" metricMagnitude="-2" metricUnit="m" metricValue="1.139" pageId="12" pageNumber="557" unit="mm" value="11.39">11.39mm</quantity>
|
||
) for
|
||
<taxonomicName id="4C554D0B36540460FB1BFF136C0AFF26" box="[1218,1350,188,212]" class="Malacostraca" family="Sesarmidae" genus="Aratus" kingdom="Animalia" order="Decapoda" pageId="12" pageNumber="557" phylum="Arthropoda" rank="species" species="pacificus" status="sp. nov.">
|
||
<emphasis id="B921EA9A36540460FB1BFF136C0AFF26" box="[1218,1350,188,212]" italics="true" pageId="12" pageNumber="557">A. pacificus</emphasis>
|
||
</taxonomicName>
|
||
<emphasis id="B921EA9A36540460FA94FF136CC7FF27" bold="true" box="[1357,1419,188,213]" pageId="12" pageNumber="557">
|
||
<taxonomicNameLabel id="A21257E136540460FA94FF136CC7FF27" box="[1357,1419,188,213]" pageId="12" pageNumber="557" rank="species">n. sp.</taxonomicNameLabel>
|
||
</emphasis>
|
||
). These changes are more marked in dorsal and ventral views, where the gonopods appear more slender for the smallest specimens in both species, and remains clearly visible in preserved specimens regardless of their size.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |