332 lines
43 KiB
XML
332 lines
43 KiB
XML
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<mods:title id="7784771925746B8609592CBD165D03A7">Discovery of a new species and host record of Holophryxus Richardson, 1905 (Isopoda: Dajidae) from the central Arctic: a model of enhanced descriptive standards for epicaridean isopods</mods:title>
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<mods:namePart id="46F71D186306D515FB2C8643FA85EA3E">Kosobokova, Ksenia N.</mods:namePart>
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<mods:date id="D7E4BA76FFB6C99DE022FEFD518EF457">2023</mods:date>
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<subSubSection id="C32665631D7EFFDFFF76BB093285FDFC" box="[217,688,555,580]" pageId="43" pageNumber="635" type="nomenclature">
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<paragraph id="8B8336E81D7EFFDFFF76BB093285FDFC" blockId="43.[217,688,555,580]" box="[217,688,555,580]" pageId="43" pageNumber="635">
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<heading id="D0CB81841D7EFFDFFF76BB093285FDFC" box="[217,688,555,580]" centered="true" fontSize="9" level="2" pageId="43" pageNumber="635" reason="2">
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<taxonomicName id="4C3C4D6B1D7EFFDFFF76BB093285FDFC" ID-CoL="3M9GH" authority="KOEHLER, 1911" authorityName="Koehler" authorityYear="1911" box="[217,688,555,580]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="43" pageNumber="635" phylum="Arthropoda" rank="species" species="richardi">
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<emphasis id="B948EAFA1D7EFFDFFF76BB0931C3FDFB" box="[217,502,556,579]" italics="true" pageId="43" pageNumber="635">
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<smallCapsWord id="8D65A0341D7EFFDFFF76BB0931B7FDFB" baselines="573,574" box="[217,386,556,579]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Holophryxus" pageId="43" pageNumber="635">HOLOPHRYXUS</smallCapsWord>
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<smallCapsWord id="8D65A0341D7EFFDFFE25BB0A31C3FDFB" baselines="574" box="[394,502,559,579]" lowerCaseFontSize="8" mainFontSize="10" normCase="lower" normString="richardi" pageId="43" pageNumber="635">RICHARDI</smallCapsWord>
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</emphasis>
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<bibRefCitation id="EFAD4B191D7EFFDFFE52BB0E3285FDFC" author="Koehler R" box="[509,688,555,580]" pageId="43" pageNumber="635" pagination="1 - 34" refId="ref40592" refString="Koehler R. 1911. Isopodes nouveaux de la famille des Dajides provenant des campagnes de la " Princesse-Alice ". Bulletin de l'Institut Oceanographique de Monaco 196: 1 - 34." type="journal article" year="1911">
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<smallCapsWord id="8D65A0341D7EFFDFFE52BB0E325EFDFC" baselines="574,574" box="[509,619,555,580]" lowerCaseFontSize="8" mainFontSize="10" normCase="title" normString="Koehler" pageId="43" pageNumber="635">KOEHLER</smallCapsWord>
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, 1911
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</bibRefCitation>
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</taxonomicName>
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</heading>
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</paragraph>
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<subSubSection id="C32665631D7EFFDFFF3EBB51317FFC65" pageId="43" pageNumber="635" type="reference_group">
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<paragraph id="8B8336E81D7EFFDFFF3EBB5131C2FD10" blockId="43.[145,759,628,680]" pageId="43" pageNumber="635">
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<emphasis id="B948EAFA1D7EFFDFFF3EBB513132FD31" box="[145,263,628,649]" italics="true" pageId="43" pageNumber="635">Synonym:</emphasis>
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<taxonomicName id="4C3C4D6B1D7EFFDFFEB2BB5131D7FD31" box="[285,482,628,649]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="43" pageNumber="635" phylum="Arthropoda" rank="species" species="undetermined">
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<emphasis id="B948EAFA1D7EFFDFFEB2BB513183FD31" box="[285,438,628,649]" italics="true" pageId="43" pageNumber="635">Holophryxus</emphasis>
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sp.
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</taxonomicName>
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(
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<taxonomicName id="4C3C4D6B1D7EFFDFFE5BBB5030FDFD10" authority="Koehler 1911" authorityName="Koehler" authorityYear="1911" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="43" pageNumber="635" phylum="Arthropoda" rank="species" species="richardi">
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<emphasis id="B948EAFA1D7EFFDFFE5BBB5032BAFD31" box="[500,655,628,650]" italics="true" pageId="43" pageNumber="635">Ho. Richardi</emphasis>
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<bibRefCitation id="EFAD4B191D7EFFDFFD36BB5130FDFD10" author="Koehler R" pageId="43" pageNumber="635" pagination="1 - 34" refId="ref40592" refString="Koehler R. 1911. Isopodes nouveaux de la famille des Dajides provenant des campagnes de la " Princesse-Alice ". Bulletin de l'Institut Oceanographique de Monaco 196: 1 - 34." type="journal article" year="1911">Koehler 1911</bibRefCitation>
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</taxonomicName>
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)
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<emphasis id="B948EAFA1D7EFFDFFF78BBB63123FD10" box="[215,278,659,680]" italics="true" pageId="43" pageNumber="635">sensu</emphasis>
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<bibRefCitation id="EFAD4B191D7EFFDFFEB2BBB731C5FD10" author="Stephensen K" box="[285,496,658,680]" pageId="43" pageNumber="635" pagination="57 - 134" refId="ref43594" refString="Stephensen K. 1912. Report on the Malacostraca collected by the ' Tjalfe' - Expedition, under the direction of cand. mag. Ad. S. Jensen, especially at W. Greenland. Videnskabelige Meddelelser fra den Naturhistoriske Forening i KjObenhaVn 64: 57 - 134." type="journal article" year="1912">Stephensen (1912)</bibRefCitation>
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||
.
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||
</paragraph>
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||
<paragraph id="8B8336E81D7EFFDFFF3EBBF431CEFCBD" blockId="43.[145,762,721,774]" pageId="43" pageNumber="635">
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||
<emphasis id="B948EAFA1D7EFFDFFF3EBBF4314EFD5E" box="[145,379,721,742]" italics="true" pageId="43" pageNumber="635">Original description:</emphasis>
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFE28BBF43210FD5E" author="Koehler R" box="[391,549,721,743]" pageId="43" pageNumber="635" pagination="1 - 34" refId="ref40592" refString="Koehler R. 1911. Isopodes nouveaux de la famille des Dajides provenant des campagnes de la " Princesse-Alice ". Bulletin de l'Institut Oceanographique de Monaco 196: 1 - 34." type="journal article" year="1911">Koehler (1911</bibRefCitation>
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||
—as
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||
<taxonomicName id="4C3C4D6B1D7EFFDFFDF3BBF732DFFD5E" authorityName="Koehler" authorityYear="1911" box="[604,746,721,743]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="43" pageNumber="635" phylum="Arthropoda" rank="species" species="richardi">
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||
<emphasis id="B948EAFA1D7EFFDFFDF3BBF732DFFD5E" box="[604,746,721,743]" italics="true" pageId="43" pageNumber="635">Ho. Richardi</emphasis>
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||
</taxonomicName>
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||
): 23–25, figs 15–17 (immature
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<specimenCount id="9D3AFD611D7EFFDFFE72BBC831D9FCBD" box="[477,492,749,773]" pageId="43" pageNumber="635" type="female">♀</specimenCount>
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||
).
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||
</paragraph>
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||
<paragraph id="8B8336E81D7EFFDFFF3EBA0B317FFC65" blockId="43.[145,761,814,990]" pageId="43" pageNumber="635">
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||
<emphasis id="B948EAFA1D7EFFDFFF3EBA0B318EFCFB" box="[145,443,814,835]" italics="true" pageId="43" pageNumber="635">Additional descriptions:</emphasis>
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||
<bibRefCitation id="EFAD4B191D7EFFDFFE67BA0B3298FCFC" author="Stephensen K" box="[456,685,814,836]" pageId="43" pageNumber="635" pagination="57 - 134" refId="ref43594" refString="Stephensen K. 1912. Report on the Malacostraca collected by the ' Tjalfe' - Expedition, under the direction of cand. mag. Ad. S. Jensen, especially at W. Greenland. Videnskabelige Meddelelser fra den Naturhistoriske Forening i KjObenhaVn 64: 57 - 134." type="journal article" year="1912">Stephensen (1912)</bibRefCitation>
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: 108– 109, figs 9–10 (subadult
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||
<specimenCount id="9D3AFD611D7EFFDFFE6CBA6F31E7FCDA" box="[451,466,842,866]" pageId="43" pageNumber="635" type="female">♀</specimenCount>
|
||
).
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFE44BA6832F0FCDA" author="Stephensen K" box="[491,709,845,867]" pageId="43" pageNumber="635" pagination="57 - 134" refId="ref43594" refString="Stephensen K. 1912. Report on the Malacostraca collected by the ' Tjalfe' - Expedition, under the direction of cand. mag. Ad. S. Jensen, especially at W. Greenland. Videnskabelige Meddelelser fra den Naturhistoriske Forening i KjObenhaVn 64: 57 - 134." type="journal article" year="1912">Stephensen [1912</bibRefCitation>
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||
—as
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||
<taxonomicName id="4C3C4D6B1D7EFFDFFF3EBA493173FC39" box="[145,326,876,897]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="43" pageNumber="635" phylum="Arthropoda" rank="species" species="undetermined">
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||
<emphasis id="B948EAFA1D7EFFDFFF3EBA493114FC39" box="[145,289,876,897]" italics="true" pageId="43" pageNumber="635">Holophryxus</emphasis>
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||
sp.
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||
</taxonomicName>
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||
(
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||
<taxonomicName id="4C3C4D6B1D7EFFDFFEFDBA483273FC3A" authority="Koehler" authorityName="Koehler" authorityYear="1911" box="[338,582,876,898]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="43" pageNumber="635" phylum="Arthropoda" rank="species" species="richardi">
|
||
<emphasis id="B948EAFA1D7EFFDFFEFDBA4831D5FC39" box="[338,480,876,898]" italics="true" pageId="43" pageNumber="635">Ho. Richardi</emphasis>
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||
Koehler
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||
</taxonomicName>
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||
?)]: 109–112, figs 11–12, 13 (bottom), 14 (adult
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||
<specimenCount id="9D3AFD611D7EFFDFFE74BAAD31DFFC18" box="[475,490,904,928]" pageId="43" pageNumber="635" type="female">♀</specimenCount>
|
||
).
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFE50BAAF32E4FC18" author="Stephensen K" box="[511,721,906,928]" pageId="43" pageNumber="635" pagination="1 - 53" refId="ref43675" refString="Stephensen K. 1915. Isopoda, Tanaidacea, Cumacea, Amphipoda (excl. Hyperiidea). Reports on the Danish Oceanographic Expedtions 1908 - 10 to the Mediterranean and Adjacent Seas 3: 1 - 53." type="journal article" year="1915">Stephensen (1915)</bibRefCitation>
|
||
: 24 (adult
|
||
<specimenCount id="9D3AFD611D7EFFDFFF73BA8330DEFC06" box="[220,235,934,958]" pageId="43" pageNumber="635" type="female">♀</specimenCount>
|
||
).
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFF50BA8C31AAFC07" author="Rustad D" box="[255,415,937,959]" pageId="43" pageNumber="635" pagination="1 - 31" refId="ref42618" refString="Rustad D. 1935. Notes on Holophryxus richardi Koehler (?) (Fam. Dajidae). Bergens Museums Arbok 1934: 1 - 31." type="journal article" year="1935">Rustad (1935)</bibRefCitation>
|
||
: 9–30, figs 1–18 (subadult and adult
|
||
<specimenCount id="9D3AFD611D7EFFDFFF7BBAE030C7FC65" box="[212,242,965,989]" pageId="43" pageNumber="635" type="female">♀♀</specimenCount>
|
||
and
|
||
<specimenCount id="9D3AFD611D7EFFDFFE85BAE0310FFC65" box="[298,314,965,989]" pageId="43" pageNumber="635" type="male">♂</specimenCount>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C32665631D7EFFDFFF3EBD223113FB83" pageId="43" pageNumber="635" type="biology_ecology">
|
||
<paragraph id="8B8336E81D7EFFDFFF3EBD223113FB83" blockId="43.[145,760,1030,1083]" pageId="43" pageNumber="635">
|
||
<emphasis id="B948EAFA1D7EFFDFFF3EBD2231C7FBA4" box="[145,498,1031,1052]" italics="true" pageId="43" pageNumber="635">
|
||
Host:
|
||
<taxonomicName id="4C3C4D6B1D7EFFDFFF43BD2231C7FBA4" baseAuthorityName="Kroyer" baseAuthorityYear="1855" box="[236,498,1031,1052]" class="Malacostraca" family="Sergestidae" genus="Eusergestes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="43" pageNumber="635" phylum="Arthropoda" rank="species" species="arcticus">Eusergestes arcticus</taxonomicName>
|
||
</emphasis>
|
||
(Dendrobranchiata,
|
||
<taxonomicName id="4C3C4D6B1D7EFFDFFF3EBD00312FFB83" authorityName="Dana" authorityYear="1852" box="[145,282,1061,1083]" class="Malacostraca" family="Sergestidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="43" pageNumber="635" phylum="Arthropoda" rank="family">Sergestidae</taxonomicName>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C32665631D7EFFDFFF3EBD4132A1FBC1" box="[145,660,1124,1146]" pageId="43" pageNumber="635" type="distribution">
|
||
<paragraph id="8B8336E81D7EFFDFFF3EBD4132A1FBC1" blockId="43.[145,660,1124,1146]" box="[145,660,1124,1146]" pageId="43" pageNumber="635">
|
||
<emphasis id="B948EAFA1D7EFFDFFF3EBD413116FBC1" box="[145,291,1124,1145]" italics="true" pageId="43" pageNumber="635">Distribution:</emphasis>
|
||
North Atlantic Ocean (
|
||
<tableCitation id="C6BE03531D7EFFDFFD9DBD4132B0FBC1" box="[562,645,1124,1146]" captionStart="Table 2" captionStartId="5.[145,209,197,218]" captionTargetBox="[145,1423,372,1870]" captionTargetPageId="5" captionText="Table 2. Distribution and host records of all nominal species of Holophryxus Richardson, 1905a [eight valid and two species inquirendae (Ho. septapodus, Ho. truncatus)]. ‘Unknown’ means that the parasite was found free in the plankton haul, presumably having become secondarily detached from its host, or, alternatively, was found among preserved museum material; ‘w.’ refers to the length of the trawl warp used (wire out) and does not necessarily reflect the depth at which the specimens were collected. Type localities marked by *" httpUri="http://table.plazi.org/id/DF4366601D50FFF1FF3EB9E03319FEE8" pageId="43" pageNumber="635" tableUuid="DF4366601D50FFF1FF3EB9E03319FEE8">Table 2</tableCitation>
|
||
).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C32665631D7EFFDFFF3EBD8735B5FBC2" pageId="43" pageNumber="635" type="diagnosis">
|
||
<paragraph id="8B8336E81D7EFFDFFF3EBD873216F9B1" blockId="43.[145,762,1186,1546]" pageId="43" pageNumber="635">
|
||
<emphasis id="B948EAFA1D7EFFDFFF3EBD873265FB0F" box="[145,592,1186,1207]" italics="true" pageId="43" pageNumber="635">
|
||
Differential diagnosis:
|
||
<taxonomicName id="4C3C4D6B1D7EFFDFFE1ABD873265FB0F" baseAuthorityName="Butler" baseAuthorityYear="1964" box="[437,592,1186,1207]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="43" pageNumber="635" phylum="Arthropoda" rank="genus">Holophryxus</taxonomicName>
|
||
</emphasis>
|
||
. Body length
|
||
<quantity id="4CC49B0D1D7EFFDFFF3EBDE430DEFB6F" box="[145,235,1217,1239]" metricMagnitude="-3" metricUnit="m" metricValue="3.7" pageId="43" pageNumber="635" unit="mm" value="3.7">3.7 mm</quantity>
|
||
(immature
|
||
<specimenCount id="9D3AFD611D7EFFDFFED2BD9B31B9FB6E" box="[381,396,1214,1238]" pageId="43" pageNumber="635" type="female">♀</specimenCount>
|
||
;
|
||
<emphasis id="B948EAFA1D7EFFDFFE33BDE73185FB6F" box="[412,432,1218,1239]" italics="true" pageId="43" pageNumber="635">N</emphasis>
|
||
= 1) (
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFE58BDE432A9FB6E" author="Koehler R" box="[503,668,1217,1239]" pageId="43" pageNumber="635" pagination="1 - 34" refId="ref40592" refString="Koehler R. 1911. Isopodes nouveaux de la famille des Dajides provenant des campagnes de la " Princesse-Alice ". Bulletin de l'Institut Oceanographique de Monaco 196: 1 - 34." type="journal article" year="1911">Koehler, 1911</bibRefCitation>
|
||
);
|
||
<quantity id="4CC49B0D1D7EFFDFFD1ABDE432CDFB6F" box="[693,760,1217,1239]" metricMagnitude="-3" metricUnit="m" metricValue="9.0" pageId="43" pageNumber="635" unit="mm" value="9.0">9 mm</quantity>
|
||
(subadult
|
||
<specimenCount id="9D3AFD611D7EFFDFFEADBDF83124FB4D" box="[258,273,1245,1269]" pageId="43" pageNumber="635" type="female">♀</specimenCount>
|
||
;
|
||
<emphasis id="B948EAFA1D7EFFDFFEB4BDC4311AFB4E" box="[283,303,1249,1270]" italics="true" pageId="43" pageNumber="635">N</emphasis>
|
||
= 1),
|
||
<quantity id="4CC49B0D1D7EFFDFFEC5BDC53183FB4D" box="[362,438,1248,1269]" metricMagnitude="-2" metricUnit="m" metricValue="1.4" pageId="43" pageNumber="635" unit="mm" value="14.0">14 mm</quantity>
|
||
(adult
|
||
<specimenCount id="9D3AFD611D7EFFDFFDACBDF83227FB4D" box="[515,530,1245,1269]" pageId="43" pageNumber="635" type="female">♀</specimenCount>
|
||
;
|
||
<emphasis id="B948EAFA1D7EFFDFFDB3BDC43205FB4E" box="[540,560,1249,1270]" italics="true" pageId="43" pageNumber="635">N</emphasis>
|
||
= 1) (
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFDC1BDC530FDFAAC" author="Stephensen K" pageId="43" pageNumber="635" pagination="57 - 134" refId="ref43594" refString="Stephensen K. 1912. Report on the Malacostraca collected by the ' Tjalfe' - Expedition, under the direction of cand. mag. Ad. S. Jensen, especially at W. Greenland. Videnskabelige Meddelelser fra den Naturhistoriske Forening i KjObenhaVn 64: 57 - 134." type="journal article" year="1912">Stephensen, 1912</bibRefCitation>
|
||
);
|
||
<quantity id="4CC49B0D1D7EFFDFFF74BDDA312FFAAC" box="[219,282,1279,1300]" metricMagnitude="-3" metricUnit="m" metricValue="8.0" pageId="43" pageNumber="635" unit="mm" value="8.0">8 mm</quantity>
|
||
(adult
|
||
<specimenCount id="9D3AFD611D7EFFDFFEC6BDD9314DFAAC" box="[361,376,1276,1300]" pageId="43" pageNumber="635" type="female">♀</specimenCount>
|
||
) (
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFE22BDDB3261FAAC" author="Stephensen K" box="[397,596,1278,1300]" pageId="43" pageNumber="635" pagination="1 - 53" refId="ref43675" refString="Stephensen K. 1915. Isopoda, Tanaidacea, Cumacea, Amphipoda (excl. Hyperiidea). Reports on the Danish Oceanographic Expedtions 1908 - 10 to the Mediterranean and Adjacent Seas 3: 1 - 53." type="journal article" year="1915">Stephensen, 1915</bibRefCitation>
|
||
);
|
||
<quantity id="4CC49B0D1D7EFFDFFDC7BDDA32CCFAAC" box="[616,761,1279,1300]" metricMagnitude="-3" metricUnit="m" metricValue="8.5" metricValueMax="12.9" metricValueMin="4.1" pageId="43" pageNumber="635" unit="mm" value="8.5" valueMax="12.9" valueMin="4.1">4.1–12.9 mm</quantity>
|
||
(immature
|
||
<specimenCount id="9D3AFD611D7EFFDFFEA0BC3F3118FA8A" box="[271,301,1306,1330]" pageId="43" pageNumber="635" type="female">♀♀</specimenCount>
|
||
;
|
||
<emphasis id="B948EAFA1D7EFFDFFE97BC3B3179FA8B" box="[312,332,1310,1331]" italics="true" pageId="43" pageNumber="635">N</emphasis>
|
||
= 6),
|
||
<quantity id="4CC49B0D1D7EFFDFFE26BC38321DFA8B" box="[393,552,1309,1331]" metricMagnitude="-2" metricUnit="m" metricValue="1.385" metricValueMax="1.65" metricValueMin="1.1199999999999999" pageId="43" pageNumber="635" unit="mm" value="13.85" valueMax="16.5" valueMin="11.2">11.2–16.5 mm</quantity>
|
||
(adult
|
||
<specimenCount id="9D3AFD611D7EFFDFFDD8BC3F32A0FA8A" box="[631,661,1306,1330]" pageId="43" pageNumber="635" type="female">♀♀</specimenCount>
|
||
;
|
||
<emphasis id="B948EAFA1D7EFFDFFD0FBC3B3281FA8B" box="[672,692,1310,1331]" italics="true" pageId="43" pageNumber="635">N</emphasis>
|
||
= 11), 1.64–2.00 mm (
|
||
<specimenCount id="9D3AFD611D7EFFDFFE91BC1C316AFAE9" box="[318,351,1337,1361]" pageId="43" pageNumber="635" type="male">♂♂</specimenCount>
|
||
;
|
||
<emphasis id="B948EAFA1D7EFFDFFEC4BC19314AFAE9" box="[363,383,1340,1361]" italics="true" pageId="43" pageNumber="635">N</emphasis>
|
||
= 3) (
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFE11BC193266FAEA" author="Rustad D" box="[446,595,1340,1362]" pageId="43" pageNumber="635" pagination="1 - 31" refId="ref42618" refString="Rustad D. 1935. Notes on Holophryxus richardi Koehler (?) (Fam. Dajidae). Bergens Museums Arbok 1934: 1 - 31." type="journal article" year="1935">Rustad, 1935</bibRefCitation>
|
||
);
|
||
<quantity id="4CC49B0D1D7EFFDFFDC8BC1932CCFAE9" box="[615,761,1340,1362]" metricMagnitude="-2" metricUnit="m" metricValue="1.25" metricValueMax="1.64" metricValueMin="0.86" pageId="43" pageNumber="635" unit="mm" value="12.5" valueMax="16.4" valueMin="8.6">8.6–16.4 mm</quantity>
|
||
(adult
|
||
<specimenCount id="9D3AFD611D7EFFDFFF46BC7D313DFAC8" box="[233,264,1368,1392]" pageId="43" pageNumber="635" type="female">♀♀</specimenCount>
|
||
;
|
||
<emphasis id="B948EAFA1D7EFFDFFEB3BC7E3105FAC8" box="[284,304,1371,1392]" italics="true" pageId="43" pageNumber="635">N</emphasis>
|
||
= 4) (
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFED0BC7E32D2FAC8" author="Greve L & Johannessen PJ" box="[383,743,1370,1392]" pageId="43" pageNumber="635" pagination="163 - 164" refId="ref39728" refString="Greve L, Johannessen PJ. 1981. Holophryxus richardi Koehler (Isopoda) found in Herdlefjorden, Western Norway. Sarsia 66: 163 - 164." type="journal article" year="1981">Greve & Johannessen, 1981</bibRefCitation>
|
||
);
|
||
<quantity id="4CC49B0D1D7EFFDFFF3EBC5C317EFA37" box="[145,331,1401,1423]" metricMagnitude="-2" metricUnit="m" metricValue="1.0205" metricValueMax="1.386" metricValueMin="0.655" pageId="43" pageNumber="635" unit="mm" value="10.205" valueMax="13.86" valueMin="6.55">6.55–13.86 mm</quantity>
|
||
(adult
|
||
<specimenCount id="9D3AFD611D7EFFDFFE08BC5331F3FA36" box="[423,454,1398,1422]" pageId="43" pageNumber="635" type="female">♀♀</specimenCount>
|
||
;
|
||
<emphasis id="B948EAFA1D7EFFDFFE79BC5F31DFFA37" box="[470,490,1402,1423]" italics="true" pageId="43" pageNumber="635">N</emphasis>
|
||
= 23),
|
||
<quantity id="4CC49B0D1D7EFFDFFD90BC5C32CDFA37" box="[575,760,1401,1423]" metricMagnitude="-2" metricUnit="m" metricValue="1.092" metricValueMax="1.218" metricValueMin="0.966" pageId="43" pageNumber="635" unit="mm" value="10.92" valueMax="12.18" valueMin="9.66">9.66–12.18 mm</quantity>
|
||
(ovigerous
|
||
<specimenCount id="9D3AFD611D7EFFDFFEA2BCB0311EFA15" box="[269,299,1429,1453]" pageId="43" pageNumber="635" type="female">♀♀</specimenCount>
|
||
;
|
||
<emphasis id="B948EAFA1D7EFFDFFE98BCBD317EFA15" box="[311,331,1432,1453]" italics="true" pageId="43" pageNumber="635">N</emphasis>
|
||
= 2) (
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFE23BCBD32A2FA16" author="Jones MB & Smaldon G" box="[396,663,1432,1454]" pageId="43" pageNumber="635" pagination="303 - 314" refId="ref40243" refString="Jones MB, Smaldon G. 1986. On the genus Holophryxus (Isopoda: Epicaridea), with description of the male and redescription of the female of Holophryxus acanthephyrae. Journal of the Marine Biological Association of the United Kingdom 66: 303 - 314." type="journal article" year="1986">Jones & Smaldon, 1986</bibRefCitation>
|
||
). Colour of
|
||
<specimenCount id="9D3AFD611D7EFFDFFF01BC913088FA74" box="[174,189,1460,1484]" pageId="43" pageNumber="635" type="female">♀</specimenCount>
|
||
pale yellow in alcohol (
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFE76BC93329FFA74" author="Stephensen K" box="[473,682,1462,1484]" pageId="43" pageNumber="635" pagination="57 - 134" refId="ref43594" refString="Stephensen K. 1912. Report on the Malacostraca collected by the ' Tjalfe' - Expedition, under the direction of cand. mag. Ad. S. Jensen, especially at W. Greenland. Videnskabelige Meddelelser fra den Naturhistoriske Forening i KjObenhaVn 64: 57 - 134." type="journal article" year="1912">Stephensen, 1912</bibRefCitation>
|
||
), from yellow to red in live specimens (
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFE56BCF032BBFA53" author="Rustad D" box="[505,654,1493,1515]" pageId="43" pageNumber="635" pagination="1 - 31" refId="ref42618" refString="Rustad D. 1935. Notes on Holophryxus richardi Koehler (?) (Fam. Dajidae). Bergens Museums Arbok 1934: 1 - 31." type="journal article" year="1935">Rustad, 1935</bibRefCitation>
|
||
;
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFD35BCF03152F9B1" author="Greve L & Johannessen PJ" pageId="43" pageNumber="635" pagination="163 - 164" refId="ref39728" refString="Greve L, Johannessen PJ. 1981. Holophryxus richardi Koehler (Isopoda) found in Herdlefjorden, Western Norway. Sarsia 66: 163 - 164." type="journal article" year="1981">Greve & Johannessen, 1981</bibRefCitation>
|
||
); unknown in
|
||
<specimenCount id="9D3AFD611D7EFFDFFDA4BCD4322EF9B1" box="[523,539,1521,1545]" pageId="43" pageNumber="635" type="male">♂</specimenCount>
|
||
.
|
||
</paragraph>
|
||
<paragraph id="8B8336E81D7EFFDFFF3EBF1634C9FD1F" blockId="43.[145,761,1586,1884]" lastBlockId="43.[809,1425,197,679]" pageId="43" pageNumber="635">
|
||
<emphasis id="B948EAFA1D7EFFDFFF3EBF16313DF9F0" box="[145,264,1587,1608]" italics="true" pageId="43" pageNumber="635">FEMALE:</emphasis>
|
||
Body spindle shaped, about 2.0 times as long as maximum width. Cephalon demarcated from pereon in dorsal aspect by constriction bilaterally and transverse surface fold dorsally; dorsal prominence with emarginate (bilobed) anterior margin; only small part of ventral cephalic ridge discernible in dorsal aspect, slightly arched, about 0.45 times as long as maximum width, anterior margin rounded, without paired pit organs; posterolateral corners of cephalic ridge with pointed processes, representing coxal plates of incorporated first pereonite. Maxilliped present, bilobate. Median sternal plate with paired posteriorly directed appendices. Pereon with five pairs of incubatory plates; oostegite 1 slightly bilobate, with medial projection on proximal lobe; oostegite 5 unilobate, covering about 60–65% of ventral side of body, posterior margin with 11–13 spinular extensions. Coxal plates of pereopods 2–5 expressed as pointed processes on lateroventral margins of pereon, separated by transverse folds. Posterior part of pereon with pair of ventrolateral spinous papillae (vestiges of sixth coxal plates) anterior to outer distal corners of fifth incubatory plates. Pleon short, demarcated from pereon by weak constrictions laterally and occasionally deeper fold (in preserved specimens) ventrally; about 13% of total body length; broadly conical.
|
||
</paragraph>
|
||
<paragraph id="8B8336E81D7EFFDFFC86BBF035B5FBC2" blockId="43.[809,1425,725,1146]" pageId="43" pageNumber="635">
|
||
<emphasis id="B948EAFA1D7EFFDFFC86BBF0334EFD52" box="[809,891,725,746]" italics="true" pageId="43" pageNumber="635">MALE:</emphasis>
|
||
Body elongate, about 2.0–2.7 times as long as maximum width, dorsoventrally flattened. Cephalon completely fused to first pereonite, forming the cephalothorax; not displaying any evidence of original segmentation; distinctly wider than long, narrower than pereon; anterior margin rounded. Antennule unconfirmed. Antenna not extending to posterior margin of first (incorporated) pereonite; segmentation unconfirmed. Pereonites 2–6 completely separated, pereonite 7 almost completely fused dorsally with pleon; pereonites 2 and 7 narrowest; lateral margins of pereonites 2–7 rounded. Pleon oblong-conical, markedly narrower than pereonite 7, representing about 38% of body length; posterior margin rounded.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="C32665631D7EFFD8FC86BD873132FA7C" lastPageId="44" lastPageNumber="636" pageId="43" pageNumber="635" type="discussion">
|
||
<paragraph id="8B8336E81D7EFFDFFC86BD8733F4F8E3" blockId="43.[809,1426,1186,1883]" pageId="43" pageNumber="635">
|
||
<emphasis id="B948EAFA1D7EFFDFFC86BD87339FFB0F" box="[809,938,1186,1207]" italics="true" pageId="43" pageNumber="635">Variability:</emphasis>
|
||
Considerable variation has been recorded in the colour of live females. According to
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFA95BDE43345FB4D" author="Rustad D" pageId="43" pageNumber="635" pagination="1 - 31" refId="ref42618" refString="Rustad D. 1935. Notes on Holophryxus richardi Koehler (?) (Fam. Dajidae). Bergens Museums Arbok 1934: 1 - 31." type="journal article" year="1935">Rustad (1935)</bibRefCitation>
|
||
, it can range from yellow, over different nuances of orange, to red, possibly reflecting different levels of maturity (
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFC31BC383401FA8B" author="Rustad D" box="[926,1076,1309,1331]" pageId="43" pageNumber="635" pagination="1 - 31" refId="ref42618" refString="Rustad D. 1935. Notes on Holophryxus richardi Koehler (?) (Fam. Dajidae). Bergens Museums Arbok 1934: 1 - 31." type="journal article" year="1935">Rustad, 1935</bibRefCitation>
|
||
).
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFBE6BC3835A4FA8A" author="Greve L & Johannessen PJ" box="[1097,1425,1309,1331]" pageId="43" pageNumber="635" pagination="163 - 164" refId="ref39728" refString="Greve L, Johannessen PJ. 1981. Holophryxus richardi Koehler (Isopoda) found in Herdlefjorden, Western Norway. Sarsia 66: 163 - 164." type="journal article" year="1981">Greve & Johannessen (1981)</bibRefCitation>
|
||
found that the largest was light orange, tinged with yellow, whereas the smaller specimens were bright red with a faint yellow tinge dorsally and yellow ventrally.
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFC34BCB23409FA15" author="Rustad D" box="[923,1084,1431,1453]" pageId="43" pageNumber="635" pagination="1 - 31" refId="ref42618" refString="Rustad D. 1935. Notes on Holophryxus richardi Koehler (?) (Fam. Dajidae). Bergens Museums Arbok 1934: 1 - 31." type="journal article" year="1935">Rustad (1935)</bibRefCitation>
|
||
reported individual variation in the timing of disappearance of the sixth pereopods during development, claiming that they are no longer expressed once females attain a length of about
|
||
<quantity id="4CC49B0D1D7EFFDFFC86BF37339FF990" box="[809,938,1554,1576]" metricMagnitude="-2" metricUnit="m" metricValue="1.2" metricValueMax="1.3" metricValueMin="1.1" pageId="43" pageNumber="635" unit="mm" value="12.0" valueMax="13.0" valueMin="11.0">11–13 mm</quantity>
|
||
. In addition to the small protuberances representing the vestigial coxal plates of the sixth pereopods, subadult females also exhibit paired groups of three small papillae further posterior on the ventral surface of the pleon (probably representing remnants of the seventh pair of pereopods).
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFB16BF8E35BFF979" author="Stephensen K" box="[1209,1418,1707,1729]" pageId="43" pageNumber="635" pagination="57 - 134" refId="ref43594" refString="Stephensen K. 1912. Report on the Malacostraca collected by the ' Tjalfe' - Expedition, under the direction of cand. mag. Ad. S. Jensen, especially at W. Greenland. Videnskabelige Meddelelser fra den Naturhistoriske Forening i KjObenhaVn 64: 57 - 134." type="journal article" year="1912">Stephensen (1912</bibRefCitation>
|
||
: fig. 11) recorded a slightly asymmetrical female while
|
||
<bibRefCitation id="EFAD4B191D7EFFDFFC86BFCC33ECF947" author="Rustad D" box="[809,985,1769,1791]" pageId="43" pageNumber="635" pagination="1 - 31" refId="ref42618" refString="Rustad D. 1935. Notes on Holophryxus richardi Koehler (?) (Fam. Dajidae). Bergens Museums Arbok 1934: 1 - 31." type="journal article" year="1935">Rustad (1935)</bibRefCitation>
|
||
observed variation in body shape, particularly in the length:width ratio and in the shape of the pleurotergites of the pereonites, in the
|
||
<specimenCount id="9D3AFD611D7EFFDFFAB0BE0235A4F884" box="[1311,1425,1830,1852]" pageId="43" pageNumber="635" type="male">two males</specimenCount>
|
||
he examined.
|
||
</paragraph>
|
||
<paragraph id="8B8336E81D79FFD8FF0CB9E03132FA7C" blockId="44.[163,781,197,1476]" pageId="44" pageNumber="636">
|
||
<emphasis id="B948EAFA1D79FFD8FF0CB9E03217FF62" box="[163,546,197,218]" italics="true" pageId="44" pageNumber="636">
|
||
Remarks:
|
||
<taxonomicName id="4C3C4D6B1D79FFD8FE8FB9E03217FF62" authorityName="Koehler" authorityYear="1911" box="[288,546,197,218]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="44" pageNumber="636" phylum="Arthropoda" rank="species" species="richardi">Holophryxus richardi</taxonomicName>
|
||
</emphasis>
|
||
belongs to a group of three closely related species in which the adult females possess (1) a cephalon with a slightly arched ventral ridge, a dorsal prominence with a bilobed anterior margin and no hood-like extension (
|
||
<typeStatus id="5487884A1D79FFD8FD15B86532DBFEED" box="[698,750,320,341]" pageId="44" pageNumber="636">type</typeStatus>
|
||
3; cf.
|
||
<figureCitation id="13072A6D1D79FFD8FF69B87B3123FECC" box="[198,278,350,372]" captionStart="Figure 15" captionStartId="31.[146,224,1114,1136]" captionTargetBox="[177,1392,197,1085]" captionTargetId="graphics-432@31.[234,1029,526,771]" captionTargetPageId="31" captionText="Figure 15. Schematic showing general morphology of cephalon in Ho.citriformis (A-C) (Type 1), Ho.quadratahumerale (D-F) (Type 2) and Ho. acanthephyrae (G-I) (Type 3) in ventral (A, D, G), dorsal (B, E, H) and lateral (C, F, I) aspect. CP1–2 = coxal plates 1–2, DP = dorsal prominence, HE = hood-like extension, L = length of ventral cephalic ridge, VCR = ventral cephalic ridge (shaded), W = width of ventral cephalic ridge." figureDoi="http://doi.org/10.5281/zenodo.8011051" httpUri="https://zenodo.org/record/8011051/files/figure.png" pageId="44" pageNumber="636">Fig. 15</figureCitation>
|
||
G-I), (2) pereopodal coxal plates that are expressed as pointed processes on the lateroventral margins of the pereon and (3) minute protuberances at or around the posterolateral corners of the fifth incubatory plates, representing the vestigial sixth pair of pereopods. Both sexes of all three species (
|
||
<taxonomicName id="4C3C4D6B1D79FFD8FD4BB8DD312FFD93" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="44" pageNumber="636" phylum="Arthropoda" rank="species" species="fusiformis">
|
||
<emphasis id="B948EAFA1D79FFD8FD4BB8DD312FFD93" italics="true" pageId="44" pageNumber="636">Ho. fusiformis</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C3C4D6B1D79FFD8FE86BB3231EBFD93" box="[297,478,534,556]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="44" pageNumber="636" phylum="Arthropoda" rank="species" species="polyandrus">
|
||
<emphasis id="B948EAFA1D79FFD8FE86BB3231EBFD93" box="[297,478,534,556]" italics="true" pageId="44" pageNumber="636">Ho. polyandrus</emphasis>
|
||
</taxonomicName>
|
||
,
|
||
<taxonomicName id="4C3C4D6B1D79FFD8FE43BB323248FD93" authorityName="Koehler" authorityYear="1911" box="[492,637,534,556]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="44" pageNumber="636" phylum="Arthropoda" rank="species" species="richardi">
|
||
<emphasis id="B948EAFA1D79FFD8FE43BB323248FD93" box="[492,637,534,556]" italics="true" pageId="44" pageNumber="636">Ho. richardi</emphasis>
|
||
</taxonomicName>
|
||
) fall within comparatively similar size ranges, with females also having virtually identical morphometric values for the ventral cephalic ridge (length:maximum width), fifth incubatory plate (length relative to body length) and pleon (proportional length). Females of
|
||
<taxonomicName id="4C3C4D6B1D79FFD8FDC6BB95333FFD7D" box="[617,778,688,709]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="44" pageNumber="636" phylum="Arthropoda" rank="species" species="fusiformis">
|
||
<emphasis id="B948EAFA1D79FFD8FDC6BB95333FFD7D" box="[617,778,688,709]" italics="true" pageId="44" pageNumber="636">Ho. fusiformis</emphasis>
|
||
</taxonomicName>
|
||
differ from those of
|
||
<taxonomicName id="4C3C4D6B1D79FFD8FED0BBEA323DFD5B" authorityName="Koehler" authorityYear="1911" box="[383,520,718,740]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="44" pageNumber="636" phylum="Arthropoda" rank="species" species="richardi">
|
||
<emphasis id="B948EAFA1D79FFD8FED0BBEA323DFD5B" box="[383,520,718,740]" italics="true" pageId="44" pageNumber="636">Ho. richardi</emphasis>
|
||
</taxonomicName>
|
||
in the bilobed anterior margin of the ventral cephalic ridge, the absence of posteriorly directed appendices originating from the cephalic sternal plate, the presence of paired papilliform protuberances posterior to the fifth pair of oostegites (possibly representing vestigial pereopods 7), and the pleon typically with a minute, terminal, median process. Males of
|
||
<taxonomicName id="4C3C4D6B1D79FFD8FE6ABA833250FC02" box="[453,613,933,955]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="44" pageNumber="636" phylum="Arthropoda" rank="species" species="fusiformis">
|
||
<emphasis id="B948EAFA1D79FFD8FE6ABA833250FC02" box="[453,613,933,955]" italics="true" pageId="44" pageNumber="636">Ho. fusiformis</emphasis>
|
||
</taxonomicName>
|
||
can readily be differentiated by the dorsal fusion of pereonites 5–7 (vs. 2–6 completely discrete) and the complete fusion of the pleon to pereonite 7 (vs. only fused dorsally). Females of
|
||
<taxonomicName id="4C3C4D6B1D79FFD8FE81BD0531D3FB8D" box="[302,486,1056,1077]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="44" pageNumber="636" phylum="Arthropoda" rank="species" species="polyandrus">
|
||
<emphasis id="B948EAFA1D79FFD8FE81BD0531D3FB8D" box="[302,486,1056,1077]" italics="true" pageId="44" pageNumber="636">Ho. polyandrus</emphasis>
|
||
</taxonomicName>
|
||
differ from those of
|
||
<taxonomicName id="4C3C4D6B1D79FFD8FD4CBD053135FBEB" authorityName="Koehler" authorityYear="1911" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="44" pageNumber="636" phylum="Arthropoda" rank="species" species="richardi">
|
||
<emphasis id="B948EAFA1D79FFD8FD4CBD053135FBEB" italics="true" pageId="44" pageNumber="636">Ho. richardi</emphasis>
|
||
</taxonomicName>
|
||
in the straight anterior margin of the ventral cephalic ridge, the reduced number of extensions on the posterior margin of the fifth incubatory plates (4–5 long spinular vs. 11–13 shorter setular extensions), the obsolete condition of the fifth coxal plates, and the shape of the pleon which terminates in a pointed end. Males of both species are more difficult to distinguish since virtually no information is available for
|
||
<taxonomicName id="4C3C4D6B1D79FFD8FD4BBC333187FAF1" authority="(Rustad, 1935)" baseAuthorityName="Rustad" baseAuthorityYear="1935" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="44" pageNumber="636" phylum="Arthropoda" rank="species" species="richardi">
|
||
<emphasis id="B948EAFA1D79FFD8FD4BBC333134FAF1" italics="true" pageId="44" pageNumber="636">Ho. richardi</emphasis>
|
||
(
|
||
<bibRefCitation id="EFAD4B191D79FFD8FEBEBC11319DFAF1" author="Rustad D" box="[273,424,1331,1354]" pageId="44" pageNumber="636" pagination="1 - 31" refId="ref42618" refString="Rustad D. 1935. Notes on Holophryxus richardi Koehler (?) (Fam. Dajidae). Bergens Museums Arbok 1934: 1 - 31." type="journal article" year="1935">Rustad, 1935</bibRefCitation>
|
||
)
|
||
</taxonomicName>
|
||
. According to
|
||
<bibRefCitation id="EFAD4B191D79FFD8FDFABC11333EFAF1" author="Schultz GA" box="[597,779,1332,1354]" pageId="44" pageNumber="636" pagination="69 - 89" refId="ref43000" refString="Schultz GA. 1978. More planktonic isopod crustaceans from Subantarctic and Antarctic Seas. In: Biology of the Antarctic Seas VII. Antarctic Research Series 27: 69 - 89." type="book chapter" year="1978">Schultz’s (1978)</bibRefCitation>
|
||
description of the male of
|
||
<taxonomicName id="4C3C4D6B1D79FFD8FE7CBC7632B1FADF" box="[467,644,1362,1384]" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="44" pageNumber="636" phylum="Arthropoda" rank="species" species="polyandrus">
|
||
<emphasis id="B948EAFA1D79FFD8FE7CBC7632B1FADF" box="[467,644,1362,1384]" italics="true" pageId="44" pageNumber="636">Ho. polyandrus</emphasis>
|
||
</taxonomicName>
|
||
, pereonites 2–7 are completely free and the pleon is discrete whereas it is fused dorsally to pereonite
|
||
<quantity id="4CC49B0D1D79FFD8FD07BCB532ECFA1E" box="[680,729,1424,1446]" metricMagnitude="-1" metricUnit="m" metricValue="1.778" pageId="44" pageNumber="636" unit="in" value="7.0">7 in</quantity>
|
||
<taxonomicName id="4C3C4D6B1D79FFD8FD4CBCB53135FA7B" baseAuthorityName="Rustad" baseAuthorityYear="1935" class="Malacostraca" family="Dajidae" genus="Holophryxus" kingdom="Animalia" order="Isopoda" pageId="44" pageNumber="636" phylum="Arthropoda" rank="species" species="richardi">
|
||
<emphasis id="B948EAFA1D79FFD8FD4CBCB53135FA7B" italics="true" pageId="44" pageNumber="636">Ho. richardi</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |