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<document id="6B99667DC0A85399A4F00DC632A4DFB5" ID-ISSN="1175­5334" IM.materialsCitations_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629793332550" checkinUser="felipe" docAuthor="Wicksten, Mary K." docDate="2012" docId="C5657B52FFF6B37844D1FE82CD9A0BCB" docLanguage="en" docName="zt03371p307.pdf" docOrigin="Zootaxa 3371" docStyle="DocumentStyle:D239614CE4198176A422035174489AB1.4:Zootaxa.2009-2012.monograph" docStyleId="D239614CE4198176A422035174489AB1" docStyleName="Zootaxa.2009-2012.monograph" docStyleVersion="4" docTitle="Crangonidae Haworth 1825" docType="key" docVersion="3" lastPageNumber="108" masterDocId="395C032AFF9CB3134446FFC9C8060B2C" masterDocTitle="Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371" masterLastPageNumber="307" masterPageNumber="1" pageNumber="107" updateTime="1699112702828" updateUser="plazi" zenodo-license-document="CLOSED">
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<mods:title id="67A691A517C04B8829772CE5A8D48125">Decapod Crustacea of the Californian and Oregonian Zoogeographic Provinces 3371</mods:title>
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<mods:namePart id="7DA8423CC8F4920854B18DCB492BB123">Wicksten, Mary K.</mods:namePart>
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<mods:part id="E98F8FA1B248624DA7FA2AECBB9BB4A7">
<mods:date id="7E89111DDD6B180F09E0F4CA5A99EA8C">2012</mods:date>
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<mods:number id="F36E414A769F83F6259E2F099848A31E">2012-07-04</mods:number>
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<mods:number id="3BAC82116D70974ED7E73D84B5290718">3371</mods:number>
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<mods:classification id="97C25BF948C8EB3472ECA8FB973344DB">journal article</mods:classification>
<mods:identifier id="E1A003E3FD39567E37E34E17BCCB3411" type="ISSN">1175­5334</mods:identifier>
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<treatment id="C5657B52FFF6B37844D1FE82CD9A0BCB" ID-DOI="http://doi.org/10.5281/zenodo.5255017" ID-Zenodo-Dep="5255017" LSID="urn:lsid:plazi:treatment:C5657B52FFF6B37844D1FE82CD9A0BCB" httpUri="http://treatment.plazi.org/id/C5657B52FFF6B37844D1FE82CD9A0BCB" lastPageId="107" lastPageNumber="108" pageId="106" pageNumber="107">
<subSubSection id="05D699CFFFF6B37944D1FE82CA6E0A49" box="[151,616,331,357]" pageId="106" pageNumber="107" type="nomenclature">
<paragraph id="4D73CA44FFF6B37944D1FE82CA6E0A49" blockId="106.[151,616,331,357]" box="[151,616,331,357]" pageId="106" pageNumber="107">
<heading id="163B7D28FFF6B37944D1FE82CA6E0A49" bold="true" box="[151,616,331,357]" fontSize="11" level="1" pageId="106" pageNumber="107" reason="1">
<emphasis id="7FB81656FFF6B37944D1FE82CA6E0A49" bold="true" box="[151,616,331,357]" pageId="106" pageNumber="107">
Key to species of family
<taxonomicName id="8ACCB1C7FFF6B3794583FE82CA6E0A49" ID-CoL="9CJ5N" authorityName="Haworth" authorityYear="1825" box="[453,616,331,357]" class="Malacostraca" family="Crangonidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="family">Crangonidae</taxonomicName>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="05D699CFFFF6B37844D1FE5BCD9A0BCB" lastPageId="107" lastPageNumber="108" pageId="106" pageNumber="107" type="key">
<keyStep id="F638D2E1FFF6B37944D1FE5BCD9A0AE8" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1FE5BCD930A8B" blockId="106.[151,1437,402,2036]" box="[151,1429,402,423]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FE5BCD930A8B" box="[151,1429,402,423]" pageId="106" pageNumber="107">
1. Pereopod 2 absent, rostrum elevated, with 4 teeth..........................................
<taxonomicName id="8ACCB1C7FFF6B37940FBFE5BCD930A8B" authorityName="Dana" authorityYear="1852" box="[1213,1429,402,423]" class="Malacostraca" family="Hippolytidae" genus="Paracrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="echinata">
<emphasis id="7FB81656FFF6B37940FBFE5BCD930A8B" box="[1213,1429,402,423]" italics="true" pageId="106" pageNumber="107">Paracrangon echinata</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1FE66CD9A0AE8" blockId="106.[151,1437,402,2036]" box="[151,1436,431,452]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FE66CD9A0AE8" box="[151,1436,431,452]" pageId="106" pageNumber="107">– Pereopod 2 present although sometimes very short........................................................... 2</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1FE04CD9A0AD3" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1FE04CD900ACE" blockId="106.[151,1437,402,2036]" box="[151,1430,461,482]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FE04CD900ACE" box="[151,1430,461,482]" pageId="106" pageNumber="107">
2. Pereopod 2 much shorter than other pereopods, eye nearly without pigment.............
<taxonomicName id="8ACCB1C7FFF6B379401FFE04CD900ACE" ID-CoL="9D5B2" authorityName="Faxon" authorityYear="1893" box="[1113,1430,461,482]" class="Malacostraca" family="Crangonidae" genus="Pontophilus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="subSpecies" species="gracilis" subSpecies="occidentalis">
<emphasis id="7FB81656FFF6B379401FFE04CD900ACE" box="[1113,1430,461,482]" italics="true" pageId="106" pageNumber="107">Pontophilus gracilis occidentalis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944DBFE23CD9A0AD3" blockId="106.[151,1437,402,2036]" box="[157,1436,490,511]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944DBFE23CD9A0AD3" box="[157,1436,490,511]" pageId="106" pageNumber="107">– Pereopod 2 subequal in length to other pereopods, eye with obvious pigment...................................... 3</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1FDCECD9A0916" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1FDCECD9A0930" blockId="106.[151,1437,402,2036]" box="[151,1436,519,540]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FDCECD9A0930" box="[151,1436,519,540]" pageId="106" pageNumber="107">3. Dactyls of pereopods 4, 5 flattened, eye partially concealed by dorsal frontal margin of carapace....................... 4</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1FDECCD9A0916" blockId="106.[151,1437,402,2036]" box="[151,1436,549,570]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FDECCD9A0916" box="[151,1436,549,570]" pageId="106" pageNumber="107">– Dactyls of pereopods 4, 5 normal, stout to slender; eye not partially concealed by dorsal frontal margin of carapace........ 5</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1FD8BCD9F0983" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1FD8BCD900959" blockId="106.[151,1437,402,2036]" pageId="106" pageNumber="107">
<materialsCitation id="FDA4C019FFF6B37944D1FD8BCD900959" location="South of Point Conception" pageId="106" pageNumber="107" specimenCount="1" stateProvince="California">
<keyLead id="F63D6971FFF6B37944D1FD8BCD900959" pageId="106" pageNumber="107">
4. Carapace with 2 median teeth behind anterior margin, abdominal somites 1, 2 not carinated.
<location id="48139C9FFFF6B3794019FD8BCD64097B" LSID="urn:lsid:plazi:treatment:C5657B52FFF6B37844D1FE82CD9A0BCB:48139C9FFFF6B3794019FD8BCD64097B" box="[1119,1378,578,599]" name="South of Point Conception" pageId="106" pageNumber="107" stateProvince="California">South of Point Conception</location>
,
<collectingRegion id="8F0804A6FFF6B379412AFD8BC91C0958" country="United States of America" name="California" pageId="106" pageNumber="107">California</collectingRegion>
................................................................................
<taxonomicName id="8ACCB1C7FFF6B3794093FDA9CD900959" ID-CoL="9CNZN" baseAuthorityName="Rathbun" baseAuthorityYear="1902" box="[1237,1430,608,629]" class="Malacostraca" family="Crangonidae" genus="Argis" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="californiensis">
<emphasis id="7FB81656FFF6B3794093FDA9CD900959" box="[1237,1430,608,629]" italics="true" pageId="106" pageNumber="107">Argis californiensis</emphasis>
</taxonomicName>
</keyLead>
</materialsCitation>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1FDB4CD9F0983" blockId="106.[151,1437,402,2036]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FDB4CD9F0983" pageId="106" pageNumber="107">
– Carapace with 3–4 median teeth behind anterior margin, abdominal somites 1–4 not carinated. Shelter Cove,
<collectingRegion id="8F0804A6FFF6B37940BCFDB4CD5D09BE" box="[1274,1371,637,658]" country="United States of America" name="California" pageId="106" pageNumber="107">California</collectingRegion>
northward......................................................................................
<emphasis id="7FB81656FFF6B379416DFD53CD9F0983" box="[1323,1433,666,687]" italics="true" pageId="106" pageNumber="107">Argislevior</emphasis>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1FD7ECD9A0808" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1FD7ECD9309C6" blockId="106.[151,1437,402,2036]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FD7ECD9309C6" pageId="106" pageNumber="107">
5. Carapace with 3–4 median dorsal teeth, pleura of abdominal somites 2–5 with posteroventral spines, exoskeleton heavily sculptured...........................................................................
<taxonomicName id="8ACCB1C7FFF6B3794097FD1CCD9309C6" ID-CoL="9D7ZW" baseAuthorityName="Rathbun" baseAuthorityYear="1902" box="[1233,1429,725,746]" class="Malacostraca" family="Crangonidae" genus="Rhynocrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="alata">
<emphasis id="7FB81656FFF6B3794097FD1CCD9309C6" box="[1233,1429,725,746]" italics="true" pageId="106" pageNumber="107">Rhynocrangon alata</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1FD3BCD9A0808" blockId="106.[151,1437,402,2036]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FD3BCD9A0808" pageId="106" pageNumber="107">– Carapace with 0–2 median dorsal teeth, pleura of abdominal somites 5 or 6 only with posteroventral teeth if present, exoskeleton smooth or lightly sculptured.......................................................................... 6</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1FCE4CD9D0873" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1FCE4CD9A086E" blockId="106.[151,1437,402,2036]" box="[151,1436,813,834]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FCE4CD9A086E" box="[151,1436,813,834]" pageId="106" pageNumber="107">6. Carapace with 2 median dorsal teeth...................................................................... 7</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1FC83CD9D0873" blockId="106.[151,1437,402,2036]" box="[151,1435,842,863]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FC83CD9D0873" box="[151,1435,842,863]" pageId="106" pageNumber="107">– Carapace with 1 or no median dorsal teeth................................................................ 15</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1FCAECD9D08B6" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1FCAECD9A0850" blockId="106.[151,1437,402,2036]" box="[151,1436,871,892]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FCAECD9A0850" box="[151,1436,871,892]" pageId="106" pageNumber="107">7. Carapace without submedian teeth........................................................................ 8</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1FC4CCD9D08B6" blockId="106.[151,1437,402,2036]" box="[151,1435,901,922]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FC4CCD9D08B6" box="[151,1435,901,922]" pageId="106" pageNumber="107">– Carapace with submedian teeth.......................................................................... 10</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1FC6BCD9F08F8" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1FC6BCD90089B" blockId="106.[151,1437,402,2036]" box="[151,1430,930,951]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FC6BCD90089B" box="[151,1430,930,951]" pageId="106" pageNumber="107">
8. Eye very large. Exoskeleton noticeably thin. Usually on lower continental shelf or deeper.........
<taxonomicName id="8ACCB1C7FFF6B37940F7FC6BCD90089B" ID-CoL="9CWRS" baseAuthorityName="Rathbun" baseAuthorityYear="1902" box="[1201,1430,930,951]" class="Malacostraca" family="Crangonidae" genus="Neocrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="abyssorum">
<emphasis id="7FB81656FFF6B37940F7FC6BCD90089B" box="[1201,1430,930,951]" italics="true" pageId="106" pageNumber="107">Neocrangon abyssorum</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1FC76CD9F08F8" blockId="106.[151,1437,402,2036]" box="[151,1433,959,980]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FC76CD9F08F8" box="[151,1433,959,980]" pageId="106" pageNumber="107">– Eye of moderate size. Exoskeleton not noticeably thin. Usually on continental shelf............................... 9</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1FC14CD9F0F23" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1FC14CD9F08DE" blockId="106.[151,1437,402,2036]" box="[151,1433,989,1010]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FC14CD9F08DE" box="[151,1433,989,1010]" pageId="106" pageNumber="107">
9. Abdominal somite 5 with broad dorsal carina.............................................
<emphasis id="7FB81656FFF6B37940F8FC14CD9F08DE" box="[1214,1433,989,1010]" italics="true" pageId="106" pageNumber="107">Neocrangoncommunis</emphasis>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1FC33CD9F0F23" blockId="106.[151,1437,402,2036]" box="[151,1433,1018,1039]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FC33CD9F0F23" box="[151,1433,1018,1039]" pageId="106" pageNumber="107">
– Abdominal somite 5 without broad dorsal carina..............................................
<taxonomicName id="8ACCB1C7FFF6B3794099FC33CD9F0F23" ID-CoL="9CWRY" baseAuthorityName="Rathbun" baseAuthorityYear="1902" box="[1247,1433,1018,1039]" class="Malacostraca" family="Crangonidae" genus="Neocrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="resima">
<emphasis id="7FB81656FFF6B3794099FC33CD9F0F23" box="[1247,1433,1018,1039]" italics="true" pageId="106" pageNumber="107">Neocrangon resima</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1FBDECD9D0FA8" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1FBDECD930F66" blockId="106.[151,1437,402,2036]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FBDECD930F66" pageId="106" pageNumber="107">
10. Second lateral carina of carapace armed with tooth slightly behind superior lateral tooth. Small, adults
<quantity id="8A3467A1FFF6B3794081FBDECD0D0F00" box="[1223,1291,1047,1068]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="106" pageNumber="107" unit="mm" value="25.0">25 mm</quantity>
or less in total length............................................................................
<taxonomicName id="8ACCB1C7FFF6B37940F7FBFCCD930F66" ID-CoL="9CTDR" baseAuthorityName="Walker" baseAuthorityYear="1898" box="[1201,1429,1077,1098]" class="Malacostraca" family="Crangonidae" genus="Mesocrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="munitella">
<emphasis id="7FB81656FFF6B37940F7FBFCCD930F66" box="[1201,1429,1077,1098]" italics="true" pageId="106" pageNumber="107">Mesocrangon munitella</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1FB9BCD9D0FA8" blockId="106.[151,1437,402,2036]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FB9BCD9D0FA8" pageId="106" pageNumber="107">
– Second lateral carina of carapace not armed with tooth slightly behind superior lateral tooth. Usually larger than
<quantity id="8A3467A1FFF6B3794156FB9BCD520F4B" box="[1296,1364,1106,1127]" metricMagnitude="-2" metricUnit="m" metricValue="2.5" pageId="106" pageNumber="107" unit="mm" value="25.0">25 mm</quantity>
in total length.............................................................................................. 11
</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1FB44CD9D0F93" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1FB44CD9D0F8E" blockId="106.[151,1437,402,2036]" box="[151,1435,1165,1186]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FB44CD9D0F8E" box="[151,1435,1165,1186]" pageId="106" pageNumber="107">11. Abdominal somites 1–4 smooth......................................................................... 12</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944DBFB63CD9D0F93" blockId="106.[151,1437,402,2036]" box="[157,1435,1194,1215]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944DBFB63CD9D0F93" box="[157,1435,1194,1215]" pageId="106" pageNumber="107">– Abdominal somites 1–4 carinated........................................................................ 13</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1FB0ECD9F0E19" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1FB0ECD9D0FD6" blockId="106.[151,1437,402,2036]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FB0ECD9D0FD6" pageId="106" pageNumber="107">
12. Anterior median tooth on carapace obliquely erect, larger than posterior, apex of former extending beyond orbital margin......................................................................................
<taxonomicName id="8ACCB1C7FFF6B379408DFB2CCD9D0FD6" baseAuthorityName="Rathbun" baseAuthorityYear="1902" box="[1227,1435,1253,1274]" class="Malacostraca" family="Hippolytidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="acclivis">
<emphasis id="7FB81656FFF6B379408DFB2CCD9D0FD6" box="[1227,1435,1253,1274]" italics="true" pageId="106" pageNumber="107">Metacrangon acclivis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944DBFACBCD9F0E19" blockId="106.[151,1437,402,2036]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944DBFACBCD9F0E19" pageId="106" pageNumber="107">
– Anterior median tooth on carapace not obliquely erect, not larger than posterior, apex of former well behind orbital margin .......................................................................................
<taxonomicName id="8ACCB1C7FFF6B3794094FAE9CD9F0E19" baseAuthorityName="Dana" baseAuthorityYear="1852" box="[1234,1433,1312,1333]" class="Malacostraca" family="Hippolytidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="munita">
<emphasis id="7FB81656FFF6B3794094FAE9CD9F0E19" box="[1234,1433,1312,1333]" italics="true" pageId="106" pageNumber="107">Metacrangon munita</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1FAF4CD9D0E43" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1FAF4CD9F0E7E" blockId="106.[151,1437,402,2036]" box="[151,1433,1341,1362]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FAF4CD9F0E7E" box="[151,1433,1341,1362]" pageId="106" pageNumber="107">
13. Abdominal somites 1–3 laterally unarmed................................................
<taxonomicName id="8ACCB1C7FFF6B37940FFFAF4CD9F0E7E" baseAuthorityName="Rathbun" baseAuthorityYear="1902" box="[1209,1433,1341,1362]" class="Malacostraca" family="Hippolytidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="variabilis">
<emphasis id="7FB81656FFF6B37940FFFAF4CD9F0E7E" box="[1209,1433,1341,1362]" italics="true" pageId="106" pageNumber="107">Metacrangon variabilis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1FA93CD9D0E43" blockId="106.[151,1437,402,2036]" box="[151,1435,1370,1391]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FA93CD9D0E43" box="[151,1435,1370,1391]" pageId="106" pageNumber="107">– Abdominal somites 1–3 laterally armed................................................................... 14</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1FABECD900E86" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1FABECD9A0EA1" blockId="106.[151,1437,402,2036]" box="[151,1436,1399,1421]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FABECD9A0EA1" box="[151,1436,1399,1421]" pageId="106" pageNumber="107">
14. Abdominal pleura 1–3 armed laterally with one tooth each.....................................
<taxonomicName id="8ACCB1C7FFF6B3794095FAB1CD9A0EA1" baseAuthorityName="Faxon" baseAuthorityYear="1893" box="[1235,1436,1400,1421]" class="Malacostraca" family="Hippolytidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="procax">
<emphasis id="7FB81656FFF6B3794095FAB1CD9A0EA1" box="[1235,1436,1400,1421]" italics="true" pageId="106" pageNumber="107">Metacrangon procax</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1FA5CCD900E86" blockId="106.[151,1437,402,2036]" box="[151,1430,1429,1450]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FA5CCD900E86" box="[151,1430,1429,1450]" pageId="106" pageNumber="107">
– Abdominal pleura 1–3 armed laterally with two teeth each................................
<taxonomicName id="8ACCB1C7FFF6B37940D2FA5CCD900E86" baseAuthorityName="Rathbun" baseAuthorityYear="1902" box="[1172,1430,1429,1450]" class="Malacostraca" family="Hippolytidae" genus="Metacrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="spinosissima">
<emphasis id="7FB81656FFF6B37940D2FA5CCD900E86" box="[1172,1430,1429,1450]" italics="true" pageId="106" pageNumber="107">Metacrangon spinosissima</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1FA7BCD9D0EC8" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1FA7BCD9A0EEB" blockId="106.[151,1437,402,2036]" box="[151,1436,1458,1479]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FA7BCD9A0EEB" box="[151,1436,1458,1479]" pageId="106" pageNumber="107">
15. Carapace without median dorsal tooth..................................................
<taxonomicName id="8ACCB1C7FFF6B37940EBFA7BCD9A0EEB" ID-CoL="9CSGT" baseAuthorityName="Holmes" baseAuthorityYear="1900" box="[1197,1436,1458,1479]" class="Malacostraca" family="Crangonidae" genus="Lissocrangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="stylirostris">
<emphasis id="7FB81656FFF6B37940EBFA7BCD9A0EEB" box="[1197,1436,1458,1479]" italics="true" pageId="106" pageNumber="107">Lissocrangon stylirostris</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1FA06CD9D0EC8" blockId="106.[151,1437,402,2036]" box="[151,1435,1487,1508]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FA06CD9D0EC8" box="[151,1435,1487,1508]" pageId="106" pageNumber="107">– Carapace with median dorsal tooth....................................................................... 16</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1FA24CD9D0D33" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1FA24CD9D0D2E" blockId="106.[151,1437,402,2036]" box="[151,1435,1517,1538]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1FA24CD9D0D2E" box="[151,1435,1517,1538]" pageId="106" pageNumber="107">16. Abdominal somite 6 with ventral sulcus.................................................................. 17</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1F9C3CD9D0D33" blockId="106.[151,1437,402,2036]" box="[151,1435,1546,1567]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1F9C3CD9D0D33" box="[151,1435,1546,1567]" pageId="106" pageNumber="107">– Abdominal somite 6 without ventral sulcus................................................................ 21</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1F9EECD9D0D5B" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1F9EECD9A0D11" blockId="106.[151,1437,402,2036]" box="[151,1436,1575,1597]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1F9EECD9A0D11" box="[151,1436,1575,1597]" pageId="106" pageNumber="107">
17. Hand of pereopods 1 very slender, 4 times as long as wide, flexed dactylus almost longitudinal......
<taxonomicName id="8ACCB1C7FFF6B3794087F9E1CD9A0D11" ID-CoL="9CQHD" authorityName="Stimpson" authorityYear="1856" box="[1217,1436,1576,1597]" class="Malacostraca" family="Crangonidae" genus="Crangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="franciscorum">
<emphasis id="7FB81656FFF6B3794087F9E1CD9A0D11" box="[1217,1436,1576,1597]" italics="true" pageId="106" pageNumber="107">Crangon franciscorum</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1F98CCD9D0D5B" blockId="106.[151,1437,402,2036]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1F98CCD9D0D5B" pageId="106" pageNumber="107">– Hand of pereopod 1 not as slender, 3.5 times as long as wide or less, flexed dactylus not forming angle less than 45˚ with propodal margin..................................................................................... 18</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1F9B6CD9D0DC0" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1F9B6CD9D0D9E" blockId="106.[151,1437,402,2036]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1F9B6CD9D0D9E" pageId="106" pageNumber="107">
18. Abdominal somite 5 not carinate. Blade of scaphocerite with anterior margin more advanced at inner than at outer angle. Usually with large circular spot on abdominal somite 6......................................
<taxonomicName id="8ACCB1C7FFF6B37940F7F954CD9D0D9E" ID-CoL="9CQJ3" authorityName="Lockington" authorityYear="1877" box="[1201,1435,1693,1714]" class="Malacostraca" family="Crangonidae" genus="Crangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="nigromaculata">
<emphasis id="7FB81656FFF6B37940F7F954CD9D0D9E" box="[1201,1435,1693,1714]" italics="true" pageId="106" pageNumber="107">Crangon nigromaculata</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1F973CD9D0DC0" blockId="106.[151,1437,402,2036]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1F973CD9D0DC0" pageId="106" pageNumber="107">– Abdominal somite 5 carinate. Blade of scaphocerite with anterior margin more advanced at antero-internal angle. No large circular spot on abdominal somite 6...................................................................... 19</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1F93CCD9D0C4E" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1F93CCD900C0B" blockId="106.[151,1437,402,2036]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1F93CCD900C0B" pageId="106" pageNumber="107">
19. Scaphocerite broad, short, 0.5 times as long as carapace length or less, abdominal somite 5 with weak dorsal carina................................................................................................
<taxonomicName id="8ACCB1C7FFF6B3794142F8DBCD900C0B" ID-CoL="9CQHH" authorityName="Kuris &amp; Carlton" authorityYear="1977" box="[1284,1430,1810,1831]" class="Malacostraca" family="Crangonidae" genus="Crangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="handi">
<emphasis id="7FB81656FFF6B3794142F8DBCD900C0B" box="[1284,1430,1810,1831]" italics="true" pageId="106" pageNumber="107">Crangon handi</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1F8E6CD9D0C4E" blockId="106.[151,1437,402,2036]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1F8E6CD9D0C4E" pageId="106" pageNumber="107">– Scaphocerite longer, more narrow, 0.66 times as long as carapace length or more, abdominal somite 5 with noticeable dorsal carina............................................................................................. 20</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37944D1F8A3CD930CF4" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37944D1F8A3CD9F0CB1" blockId="106.[151,1437,402,2036]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1F8A3CD9F0CB1" pageId="106" pageNumber="107">
20. Apex of scaphocerite narrow, lateral tooth long, exceeding blade, finger of hand at about 45˚ angle to hand....................................................................................................
<taxonomicName id="8ACCB1C7FFF6B3794098F841CD9F0CB1" ID-CoL="9CQGR" authorityName="Lockington" authorityYear="1877" box="[1246,1433,1928,1949]" class="Malacostraca" family="Crangonidae" genus="Crangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="alaskensis">
<emphasis id="7FB81656FFF6B3794098F841CD9F0CB1" box="[1246,1433,1928,1949]" italics="true" pageId="106" pageNumber="107">Crangon alaskensis</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF6B37944D1F86CCD930CF4" blockId="106.[151,1437,402,2036]" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37944D1F86CCD930CF4" pageId="106" pageNumber="107">
– Apex of scaphocerite broad, lateral tooth generally shorter, barely exceeding blade, finger of hand at about 30˚ angle to hand....................................................................................
<taxonomicName id="8ACCB1C7FFF6B3794097F80ACD930CF4" ID-CoL="9CQJ2" authorityName="Stimpson" authorityYear="1856" box="[1233,1429,1987,2008]" class="Malacostraca" family="Crangonidae" genus="Crangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="106" pageNumber="107" phylum="Arthropoda" rank="species" species="nigricauda">
<emphasis id="7FB81656FFF6B3794097F80ACD930CF4" box="[1233,1429,1987,2008]" italics="true" pageId="106" pageNumber="107">Crangon nigricauda</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="F638D2E1FFF6B37844D1F816CD9A0BCB" lastPageId="107" lastPageNumber="108" pageId="106" pageNumber="107">
<paragraph id="4D73CA44FFF6B37844D1F816CD9A0B81" blockId="106.[151,1437,402,2036]" lastBlockId="107.[151,1436,151,231]" lastPageId="107" lastPageNumber="108" pageId="106" pageNumber="107">
<keyLead id="F63D6971FFF6B37844D1F816CD9A0B81" lastPageId="107" lastPageNumber="108" pageId="106" pageNumber="107">
21. Hand of pereopod 1stout, 2.25 times as long as wide, anterior margin more longitudinal than transverse. Antepenultimate segment of third maxillipeds greatly dilated.........................................................
<taxonomicName id="8ACCB1C7FFF7B3784157FF51CD9A0B81" ID-CoL="9CQGS" authorityName="Holmes" authorityYear="1900" box="[1297,1436,152,173]" class="Malacostraca" family="Crangonidae" genus="Crangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="107" pageNumber="108" phylum="Arthropoda" rank="species" species="alba">
<emphasis id="7FB81656FFF7B3784157FF51CD9A0B81" box="[1297,1436,152,173]" italics="true" pageId="107" pageNumber="108">Crangon alba</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="4D73CA44FFF7B37844D1FF7CCD9A0BCB" blockId="107.[151,1436,151,231]" pageId="107" pageNumber="108">
<keyLead id="F63D6971FFF7B37844D1FF7CCD9A0BCB" pageId="107" pageNumber="108">
– Hand of pereopod 1 elongate, 3 times as long as wide, anterior margin more longitudinal than transverse. Antepenultimate segment of third maxillipeds not dilated.........................................................
<taxonomicName id="8ACCB1C7FFF7B37840B0FF1BCD9A0BCB" ID-CoL="9CQHJ" authorityName="Rathbun" authorityYear="1902" box="[1270,1436,210,231]" class="Malacostraca" family="Crangonidae" genus="Crangon" higherTaxonomySource="GBIF" kingdom="Animalia" order="Decapoda" pageId="107" pageNumber="108" phylum="Arthropoda" rank="species" species="holmesi">
<emphasis id="7FB81656FFF7B37840B0FF1BCD9A0BCB" box="[1270,1436,210,231]" italics="true" pageId="107" pageNumber="108">Crangon holmesi</emphasis>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
</subSubSection>
</treatment>
</document>
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