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<document id="F2C4760C0B8DA1D1C9F18BD76EDDD7E0" ID-CLB-Dataset="29034" ID-DOI="10.11646/zootaxa.4459.1.4" ID-GBIF-Dataset="08b39b2c-80d7-4294-b5fc-c53d42b27030" ID-ISSN="1175-5326" ID-Zenodo-Dep="1458410" ID-ZooBank="3542FB98-12B4-4754-BEB6-F80EE3C82819" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1539288150856" checkinUser="plazi" docAuthor="Hancock, Zachary B. &amp; Wicksten, Mary K." docDate="2018" docId="3620034AFFDFFFDE5FBDF997FA18FE5F" docLanguage="en" docName="zootaxa.4459.1.4.pdf" docOrigin="Zootaxa 4459 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Haustoriidae Stebbing 1906" docType="key" docVersion="7" lastPageNumber="125" masterDocId="CA197B32FFC9FFC65F2AFFE8FF84FFC8" masterDocTitle="Two new species of sand-burrowing amphipods of the genus Haustorius Müller, 1775 (Amphipoda: Haustoriidae) from the northwestern Gulf of Mexico" masterLastPageNumber="127" masterPageNumber="101" pageNumber="123" updateTime="1698577898184" updateUser="ExternalLinkService">
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<mods:title id="8A546B15A161A50A0CC961EFCC0B0803">Two new species of sand-burrowing amphipods of the genus Haustorius Müller, 1775 (Amphipoda: Haustoriidae) from the northwestern Gulf of Mexico</mods:title>
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<mods:namePart id="E25EA57B1BA335BB05C8B0712B5302E4">Hancock, Zachary B.</mods:namePart>
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<treatment id="3620034AFFDFFFDE5FBDF997FA18FE5F" ID-DOI="http://doi.org/10.5281/zenodo.5978443" ID-GBIF-Taxon="148692579" ID-Zenodo-Dep="5978443" LSID="urn:lsid:plazi:treatment:3620034AFFDFFFDE5FBDF997FA18FE5F" httpUri="http://treatment.plazi.org/id/3620034AFFDFFFDE5FBDF997FA18FE5F" lastPageId="24" lastPageNumber="125" pageId="22" pageNumber="123">
<subSubSection id="F693E1D7FFDFFFD05FBDF997FCEDF973" pageId="22" pageNumber="123" type="nomenclature">
<paragraph id="BE36B25CFFDFFFD05FBDF997FD56F951" blockId="22.[151,873,1663,1723]" box="[151,722,1663,1689]" pageId="22" pageNumber="123">
<heading id="E57E0530FFDFFFD05FBDF997FD56F951" bold="true" box="[151,722,1663,1689]" fontSize="11" level="1" pageId="22" pageNumber="123" reason="1">
<emphasis id="8CFD6E4EFFDFFFD05FBDF997FD56F951" bold="true" box="[151,722,1663,1689]" pageId="22" pageNumber="123">
Key to the
<taxonomicName id="7989C9DFFFDFFFD05E35F997FE46F951" ID-CoL="7NHS7" authorityName="Stebbing" authorityYear="1906" box="[287,450,1663,1689]" class="Malacostraca" family="Haustoriidae" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="22" pageNumber="123" phylum="Arthropoda" rank="family">Haustoriidae</taxonomicName>
of the Gulf of Mexico
</emphasis>
</heading>
</paragraph>
<paragraph id="BE36B25CFFDFFFD05FBDF94AFCEDF973" blockId="22.[151,873,1663,1723]" box="[151,873,1698,1723]" pageId="22" pageNumber="123">
(modified from
<bibRefCitation id="DA18CFADFFDFFFD05E60F94AFE66F972" box="[330,482,1698,1722]" pageId="22" pageNumber="123" refId="ref15353" refString="LeCroy, S. E. (2002) An Illustrated Identification Guide to the Nearshore Marine and Estuarine Gammaridean Amphipoda of Florida. Vol. 2. State of Florida Department of Environmental Protection, Tallahassee, 224 pp." type="book">LeCroy 2002</bibRefCitation>
;
<bibRefCitation id="DA18CFADFFDFFFD05EC7F94AFD54F972" box="[493,720,1698,1723]" pageId="22" pageNumber="123" refId="ref16353" refString="Winfield, I., Escobar-Briones, E. &amp; Alvarez, F. (2007) Clave para la Identificacion de los Anfipodos Bentonicos del Golfo de Mexico y el Sector Norte del mar Caribe. Universidad Nacional Autonoma de Mexico, Mexico City, 197 pp." type="book">
Winfield
<emphasis id="8CFD6E4EFFDFFFD05D7CF94BFD0BF973" box="[598,655,1698,1723]" italics="true" pageId="22" pageNumber="123">et al.</emphasis>
2007
</bibRefCitation>
;
<bibRefCitation id="DA18CFADFFDFFFD05DF6F94AFCE4F973" box="[732,864,1698,1723]" pageId="22" pageNumber="123" refId="ref16205" refString="Sweet, M. H. (1996) The Evolution of the Haustorioidea of the World, and Post-Embryonic Development, Taxonomy and Ecology of the Haustoriidae (Amphipoda: Crustacea). Texas A &amp; M University, College Station, 640 pp. [PhD thesis]" type="book">Sweet 1996</bibRefCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="F693E1D7FFDFFFDE5FBDF901FA18FE5F" lastPageId="24" lastPageNumber="125" pageId="22" pageNumber="123" type="key">
<keyStep id="057DAAF9FFDFFFD05FBDF901FA1FF8D4" pageId="22" pageNumber="123">
<paragraph id="BE36B25CFFDFFFD05FBDF901FA1FF936" blockId="22.[151,1436,1769,2025]" box="[151,1435,1769,1790]" pageId="22" pageNumber="123">
<keyLead id="05781169FFDFFFD05FBDF901FA1FF936" box="[151,1435,1769,1790]" pageId="22" pageNumber="123">1. Pleonite 3 overhanging urosome......................................................................... 2</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDFFFD05FBDF8EFFA1FF8D4" blockId="22.[151,1436,1769,2025]" box="[151,1435,1799,1820]" pageId="22" pageNumber="123">
<keyLead id="05781169FFDFFFD05FBDF8EFFA1FF8D4" box="[151,1435,1799,1820]" pageId="22" pageNumber="123">- Pleonite 3 not overhanging urosome...................................................................... 16</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDFFFD05FBDF8CCFA1FF89E" pageId="22" pageNumber="123">
<paragraph id="BE36B25CFFDFFFD05FBDF8CCFA1FF8F1" blockId="22.[151,1436,1769,2025]" box="[151,1435,1828,1849]" pageId="22" pageNumber="123">
<keyLead id="05781169FFDFFFD05FBDF8CCFA1FF8F1" box="[151,1435,1828,1849]" pageId="22" pageNumber="123">2. Epimeron 3 rounded posteroventrally without tooth........................................................... 3</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDFFFD05FBDF8A9FA1FF89E" blockId="22.[151,1436,1769,2025]" box="[151,1435,1857,1878]" pageId="22" pageNumber="123">
<keyLead id="05781169FFDFFFD05FBDF8A9FA1FF89E" box="[151,1435,1857,1878]" pageId="22" pageNumber="123">- Epimeron 3 rounded posteroventrally with tooth............................................................. 7</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDFFFD05FBDF8B7FA1FF821" pageId="22" pageNumber="123">
<paragraph id="BE36B25CFFDFFFD05FBDF8B7FA18F866" blockId="22.[151,1436,1769,2025]" pageId="22" pageNumber="123">
<keyLead id="05781169FFDFFFD05FBDF8B7FA18F866" pageId="22" pageNumber="123">
3. Rostrum exceeding ½ length of antenna 1 peduncular segment 1, acute; maxilla 2 outer plate narrow, lanceolate distally; pereopod 6, article 5 anterodistal margin rounded; uropod 1 peduncle with at least 3 proximal spines.....................................................................................
<taxonomicName id="7989C9DFFFDFFFD05C97F871FB79F866" ID-CoL="3JWGY" authority="(Atlantic)" baseAuthorityName="Atlantic" baseAuthorityYear="1962" box="[957,1277,1945,1966]" class="Malacostraca" family="Haustoriidae" genus="Haustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="22" pageNumber="123" phylum="Arthropoda" rank="species" species="canadensis">
<emphasis id="8CFD6E4EFFDFFFD05C97F871FB1EF866" box="[957,1178,1945,1966]" italics="true" pageId="22" pageNumber="123">Haustorius canadensis</emphasis>
(Atlantic)
</taxonomicName>
<bibRefCitation id="DA18CFADFFDFFFD05A28F871FA18F866" box="[1282,1436,1945,1966]" pageId="22" pageNumber="123" refId="ref14507" refString="Bousfield, E. L. (1962) New haustoriid amphipods from the Canadian Atlantic region. Bulletin of the National Museum of Canada, 183, 63 - 75." type="journal article">Bousfield, 1962</bibRefCitation>
</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDFFFD05FBDF85FFA1FF821" blockId="22.[151,1436,1769,2025]" pageId="22" pageNumber="123">
<keyLead id="05781169FFDFFFD05FBDF85FFA1FF821" pageId="22" pageNumber="123">
- Rostrum less than ½ length of antenna 1 peduncular segment 1, subacute; maxilla 2 outer plate broad; uropod 1 peduncle with less than 2 proximal spines...
<taxonomicName id="7989C9DFFFDFFFD05ED6F83CFDE3F821" ID-CoL="7P5HW" authorityName="Hancock &amp; Wicksten" authorityYear="2018" box="[508,615,2004,2025]" class="Malacostraca" family="Haustoriidae" genus="Haustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="22" pageNumber="123" phylum="Arthropoda" rank="genus">
<emphasis id="8CFD6E4EFFDFFFD05ED6F83CFDE3F821" box="[508,615,2004,2025]" italics="true" pageId="22" pageNumber="123">Haustorius</emphasis>
</taxonomicName>
spp. (Gulf of Mexico)................................................. 4
</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDEFFD15FBDFF7FFA1FFECC" pageId="23" pageNumber="124">
<paragraph id="BE36B25CFFDEFFD15FBDFF7FFA1FFF02" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFF7FFA1FFF02" pageId="23" pageNumber="124">
4. Antenna 1 accessory flagellum 4–5 articulate; mandible with 8+ accessory blades; mandibular palp article 3 with 15+ spines in comb row; uropod 1 interramal area with 3 large spines.....................
<taxonomicName id="7989C9DFFFDEFFD15CD6FF5DFA1FFF02" ID-CoL="3JWH2" authority="Foster &amp; LeCroy, 1991" authorityName=", Foster &amp; LeCroy" authorityYear="1991" box="[1020,1435,181,202]" class="Malacostraca" family="Haustoriidae" genus="Haustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="species" species="jayneae">
<emphasis id="8CFD6E4EFFDEFFD15CD6FF5DFB33FF02" box="[1020,1207,181,202]" italics="true" pageId="23" pageNumber="124">Haustorius jayneae</emphasis>
<bibRefCitation id="DA18CFADFFDEFFD15B97FF5DFA1FFF02" box="[1213,1435,181,202]" pageId="23" pageNumber="124" refId="ref15010" refString="Foster, J. M. &amp; LeCroy, S. E. (1991) Haustorius jayneae, a new species of haustoriid amphipod from the northern Gulf of Mexico, with notes on its ecology at Panama City Beach, Florida. Gulf Research Reports, 8 (3), 259 - 270. https: // doi. org / 10.18785 / grr. 0803.06" type="journal article">Foster &amp; LeCroy, 1991</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDEFFD15FBDFF3AFA1FFECC" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFF3AFA1FFECC" pageId="23" pageNumber="124">- Antenna 1 accessory flagellum 2–3 articulate; mandible with less than 8 accessory blades; mandibular palp 3 with 12 or less spines in comb row; uropod 1 interramal area with 2 or less large spines.......................................... 5</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDEFFD15FBDFEE5FA18FE7D" pageId="23" pageNumber="124">
<paragraph id="BE36B25CFFDEFFD15FBDFEE5FA1FFE94" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFEE5FA1FFE94" pageId="23" pageNumber="124">5. Maxilla 2 outer plate very broad, minutely curved; pereopod 3, article 5 with posterior cup equal or slightly exceeding length of anterior margin; pereopod 6, article 5 distal margin with minute notch, not medially produced; telson cleft almost to base...................................................................................................... 6</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDEFFD15FBDFE8DFA18FE7D" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFE8DFA18FE7D" pageId="23" pageNumber="124">
- Maxilla 2 outer plate broad, lunate; pereopod 3, article 5 with posterior cup greater than 1.2x length of anterior margin; pereopod 6, article 5 anterodistal margin with distinct notch, medially produced; telson cleft 1/3 distance to base..............................................................................................
<taxonomicName id="7989C9DFFFDEFFD15BBEFE77FACDFE7C" ID-CoL="3JWGZ" authority="Hancock &amp; Wicksten, 2018" authorityName="Hancock &amp; Wicksten" authorityYear="2018" box="[1172,1353,415,436]" class="Malacostraca" family="Haustoriidae" genus="Haustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="species" species="galvezi" status="sp. nov.">
<emphasis id="8CFD6E4EFFDEFFD15BBEFE77FACDFE7C" box="[1172,1353,415,436]" italics="true" pageId="23" pageNumber="124">Haustorius galvezi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="97CED335FFDEFFD15A65FE77FA18FE7D" box="[1359,1436,415,437]" pageId="23" pageNumber="124" rank="species">
<emphasis id="8CFD6E4EFFDEFFD15A65FE77FA18FE7D" bold="true" box="[1359,1436,415,437]" pageId="23" pageNumber="124">sp. nov.</emphasis>
</taxonomicNameLabel>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDEFFD15FBDFE55FA18FDAD" pageId="23" pageNumber="124">
<paragraph id="BE36B25CFFDEFFD15FBDFE55FA18FDC4" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFE55FA18FDC4" pageId="23" pageNumber="124">
6. Antenna 1 accessory flagellum with 3 articles; mandible, incisor trifid; mandibular palp, article 3 with 5 spines in comb row; pereopod 5 coxa ovoid, not compressed medially; pereopod 6 article 4 proximal margin set-off from posterior margin, 2 spine groups...............................................................
<taxonomicName id="7989C9DFFFDEFFD15B36FE1FFA18FDC4" ID-CoL="3JWH3" authority="Ortiz et al., 2001" authorityName="Ortiz et al." authorityYear="2001" box="[1052,1436,503,524]" class="Malacostraca" family="Haustoriidae" genus="Haustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="species" species="mexicanus">
<emphasis id="8CFD6E4EFFDEFFD15B36FE1FFB76FDC4" box="[1052,1266,503,524]" italics="true" pageId="23" pageNumber="124">Haustorius mexicanus</emphasis>
<bibRefCitation id="DA18CFADFFDEFFD15BD3FE1FFA18FDC4" box="[1273,1436,503,524]" pageId="23" pageNumber="124" refId="ref15716" refString="Ortiz, M., Chazaro-Olvera, S. &amp; Winfield, I. (2001) A new amphipod crustacean of the genus Haustorius (Gammaridea, Haustoriidae), from the east coast of Mexico. Avicennia, 14, 53 - 59." type="journal article">
Ortiz
<emphasis id="8CFD6E4EFFDEFFD15A1AFE1FFAE5FDC4" box="[1328,1377,503,524]" italics="true" pageId="23" pageNumber="124">et al.</emphasis>
, 2001
</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDEFFD15FBDFDFDFA18FDAD" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFDFDFA18FDAD" pageId="23" pageNumber="124">
- Antenna 1 accessory flagellum with 2–3 articles; mandible, incisor bifid; mandibular palp, article 3 with 8 or more spines in comb row; pereopod 5 coxa dumbbell-shaped, compressed medially forming anterior and posterior lobes; pereopod 6 article 4 proximal margin continuous with posterior margin, only setae.............................
<taxonomicName id="7989C9DFFFDEFFD15BB2FDA7FACCFDAC" ID-CoL="3JWGV" authority="Hancock &amp; Wicksten, 2018" authorityName="Hancock &amp; Wicksten" authorityYear="2018" box="[1176,1352,591,612]" class="Malacostraca" family="Haustoriidae" genus="Haustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="species" species="allardi" status="sp. nov.">
<emphasis id="8CFD6E4EFFDEFFD15BB2FDA7FACCFDAC" box="[1176,1352,591,612]" italics="true" pageId="23" pageNumber="124">Haustorius allardi</emphasis>
</taxonomicName>
<taxonomicNameLabel id="97CED335FFDEFFD15A65FDA7FA18FDAD" box="[1359,1436,591,613]" pageId="23" pageNumber="124" rank="species">
<emphasis id="8CFD6E4EFFDEFFD15A65FDA7FA18FDAD" bold="true" box="[1359,1436,591,613]" pageId="23" pageNumber="124">sp. nov.</emphasis>
</taxonomicNameLabel>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDEFFD15FBDFD85FA1FFD3F" pageId="23" pageNumber="124">
<paragraph id="BE36B25CFFDEFFD15FBDFD85FA18FD74" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFD85FA18FD74" pageId="23" pageNumber="124">
7. Accessory flagellum with 2 articles, inserted subterminally; maxilla 2 outer and inner plates roughly equal in length; maxilla 1 without bailer; uropod 1 inner ramus broad and longer than outer ramus; telson deeply notched, forming a V.............................................................................
<taxonomicName id="7989C9DFFFDEFFD15CFFFD4FFA18FD74" authority="Bousfield, 1965" authorityName="Bousfield" authorityYear="1965" box="[981,1436,679,700]" class="Malacostraca" family="Haustoriidae" genus="Pseudohaustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="species" species="carolinensis">
<emphasis id="8CFD6E4EFFDEFFD15CFFFD4FFB78FD74" box="[981,1276,679,700]" italics="true" pageId="23" pageNumber="124">Pseudohaustorius carolinensis</emphasis>
<bibRefCitation id="DA18CFADFFDEFFD15A29FD4FFA18FD74" box="[1283,1436,679,700]" pageId="23" pageNumber="124" refId="ref14539" refString="Bousfield, E. L. (1965) Haustoriidae of New England (Crustacea: Amphipoda). Proceedings of the United States National Museum, 117 (3512), 159 - 239. https: // doi. org / 10.5479 / si. 00963801.117 - 3512.159" type="journal article">Bousfield, 1965</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDEFFD15FBDFD2DFA1FFD3F" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFD2DFA1FFD3F" pageId="23" pageNumber="124">
- Accessory flagellum with 2 articles, inserted terminally; maxilla 2 outer plate longer than inner; maxilla 1 with bailer; uropod 1 inner ramus slender and shorter than outer…
<taxonomicName id="7989C9DFFFDEFFD15D8FFD0AFCDEFD3F" ID-CoL="7NMLJ" authorityName="Bousfield" authorityYear="1965" box="[677,858,738,759]" class="Malacostraca" family="Haustoriidae" genus="Acanthohaustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="genus">
<emphasis id="8CFD6E4EFFDEFFD15D8FFD0AFCDEFD3F" box="[677,858,738,759]" italics="true" pageId="23" pageNumber="124">Acanthohaustorius</emphasis>
</taxonomicName>
............................................... 8
</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDEFFD15FBDFD17FA1FFCFA" pageId="23" pageNumber="124">
<paragraph id="BE36B25CFFDEFFD15FBDFD17FA18FCDC" blockId="23.[151,1436,151,2020]" box="[151,1436,767,788]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFD17FA18FCDC" box="[151,1436,767,788]" pageId="23" pageNumber="124">
8. Uropod 1, peduncle very short with stubby spines...........................
<taxonomicName id="7989C9DFFFDEFFD15B29FD17FA18FCDC" ID-CoL="8XTV" authority="Frame, 1980" authorityName="Frame" authorityYear="1980" box="[1027,1436,767,788]" class="Malacostraca" family="Haustoriidae" genus="Acanthohaustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="species" species="bousfieldi">
<emphasis id="8CFD6E4EFFDEFFD15B29FD17FA98FCDC" box="[1027,1308,767,788]" italics="true" pageId="23" pageNumber="124">Acanthohaustorius bousfieldi</emphasis>
<bibRefCitation id="DA18CFADFFDEFFD15A09FD17FA18FCDC" box="[1315,1436,767,788]" pageId="23" pageNumber="124" refId="ref14896" refString="Frame, A. B. (1980) Two new species of sand burrowing amphipod crustaceans from Long Island Sound and the New York Bight (Amphipoda: Haustoriidae). Estuaries, 3 (2), 75 - 83. https: // doi. org / 10.2307 / 1351550" type="journal article">Frame, 1980</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDEFFD15FBDFCF5FA1FFCFA" blockId="23.[151,1436,151,2020]" box="[151,1435,797,818]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFCF5FA1FFCFA" box="[151,1435,797,818]" pageId="23" pageNumber="124">- Uropod 1, peduncle with moderate to long slender spines...................................................... 9</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDEFFD15FBDFCD2FA1FFC42" pageId="23" pageNumber="124">
<paragraph id="BE36B25CFFDEFFD15FBDFCD2FA18FCA4" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFCD2FA18FCA4" pageId="23" pageNumber="124">
9. Epimeron 3 posterior margin strongly recurved as a large shelf overhanging urosome................................................................................................
<taxonomicName id="7989C9DFFFDEFFD15CE6FCBFFA18FCA4" ID-CoL="8XTW" authority="Bousfield, 1965" authorityName="Bousfield" authorityYear="1965" box="[972,1436,855,876]" class="Malacostraca" family="Haustoriidae" genus="Acanthohaustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="species" species="intermedius">
<emphasis id="8CFD6E4EFFDEFFD15CE6FCBFFB79FCA4" box="[972,1277,855,876]" italics="true" pageId="23" pageNumber="124">Acanthohaustorius intermedius</emphasis>
<bibRefCitation id="DA18CFADFFDEFFD15A29FCBFFA18FCA4" box="[1283,1436,855,876]" pageId="23" pageNumber="124" refId="ref14539" refString="Bousfield, E. L. (1965) Haustoriidae of New England (Crustacea: Amphipoda). Proceedings of the United States National Museum, 117 (3512), 159 - 239. https: // doi. org / 10.5479 / si. 00963801.117 - 3512.159" type="journal article">Bousfield, 1965</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDEFFD15FBDFC9DFA1FFC42" blockId="23.[151,1436,151,2020]" box="[151,1435,885,906]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFC9DFA1FFC42" box="[151,1435,885,906]" pageId="23" pageNumber="124">- Epimeron 3 posterior margin decurved or recurved, slightly overhanging urosome................................. 10</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDEFFD15FBDFC7AFA1FFC0C" pageId="23" pageNumber="124">
<paragraph id="BE36B25CFFDEFFD15FBDFC7AFA1FFC6F" blockId="23.[151,1436,151,2020]" box="[151,1435,914,935]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFC7AFA1FFC6F" box="[151,1435,914,935]" pageId="23" pageNumber="124">
10. Uropod 1 peduncle with stout, dorsally hooked interramal spine..................
<taxonomicName id="7989C9DFFFDEFFD15B35FC7AFA1FFC6F" authority=", Foster, 1989" authorityName="Foster" authorityYear="1989" box="[1055,1435,914,935]" class="Malacostraca" family="Haustoriidae" genus="Acanthohaustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="species" species="unicus">
<emphasis id="8CFD6E4EFFDEFFD15B35FC7AFA9CFC6F" box="[1055,1304,914,935]" italics="true" pageId="23" pageNumber="124">Acanthohaustorius unicus</emphasis>
,
<bibRefCitation id="DA18CFADFFDEFFD15A0EFC7AFA1FFC6F" box="[1316,1435,914,935]" pageId="23" pageNumber="124" refId="ref14949" refString="Foster, J. M. (1989) Acanthohaustorius uncinus, a new species of sand-burrowing amphipod from the northern Gulf of Mexico, with notes on its ecology (Haustoriidae: Haustoriinae). Gulf Research Reports, 8 (2), 189 - 197. https: // doi. org / 10.18785 / grr. 0802.10" type="journal article">Foster, 1989</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDEFFD15FBDFC47FA1FFC0C" blockId="23.[151,1436,151,2020]" box="[151,1435,943,964]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFC47FA1FFC0C" box="[151,1435,943,964]" pageId="23" pageNumber="124">- Uropod 1 peduncle lacking stout hooked spine, with or without long curved spine................................. 11</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDEFFD15FBDFC25FA1FFBF2" pageId="23" pageNumber="124">
<paragraph id="BE36B25CFFDEFFD15FBDFC25FA18FC37" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFC25FA18FC37" pageId="23" pageNumber="124">
11. Uropod 1 peduncle with long, stout distal spine greater in length than other interramal spines; outer ramus with stout apical spine subequal or shorter than subapical spines.........................
<taxonomicName id="7989C9DFFFDEFFD15CF8FC02FA18FC37" ID-CoL="8XTZ" authority="Bousfield, 1965" authorityName="Bousfield" authorityYear="1965" box="[978,1436,1002,1023]" class="Malacostraca" family="Haustoriidae" genus="Acanthohaustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="species" species="shoemakeri">
<emphasis id="8CFD6E4EFFDEFFD15CF8FC02FB78FC37" box="[978,1276,1002,1023]" italics="true" pageId="23" pageNumber="124">Acanthohaustorius shoemakeri</emphasis>
<bibRefCitation id="DA18CFADFFDEFFD15A29FC02FA18FC37" box="[1283,1436,1002,1023]" pageId="23" pageNumber="124" refId="ref14539" refString="Bousfield, E. L. (1965) Haustoriidae of New England (Crustacea: Amphipoda). Proceedings of the United States National Museum, 117 (3512), 159 - 239. https: // doi. org / 10.5479 / si. 00963801.117 - 3512.159" type="journal article">Bousfield, 1965</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDEFFD15FBDFBEFFA1FFBF2" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFBEFFA1FFBF2" pageId="23" pageNumber="124">- Uropod 1 peduncle with distal spine not stouter or longer than other interramal spines; outer ramus with stout apical spine much shorter than subapical spines....................................................................... 12</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDEFFD15FBDFBAAFA18FB5A" pageId="23" pageNumber="124">
<paragraph id="BE36B25CFFDEFFD15FBDFBAAFA1FFBBC" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFBAAFA1FFBBC" pageId="23" pageNumber="124">12. Coxa 7, posterior lobe rounded or subacute; uropod 1 peduncle with very long, slender spines along dorsolateral margin, all roughly equal in length................................................................................ 13</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDEFFD15FBDFB95FA18FB5A" blockId="23.[151,1436,151,2020]" box="[151,1436,1149,1170]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFB95FA18FB5A" box="[151,1436,1149,1170]" pageId="23" pageNumber="124">- Coxa 7, posterior lobe acute posteriorly; uropod 1 peduncle with moderately long spines decreasing in length distally..... 14</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDEFFD15FBDFB72FA18FAEC" pageId="23" pageNumber="124">
<paragraph id="BE36B25CFFDEFFD15FBDFB72FA18FB22" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFB72FA18FB22" pageId="23" pageNumber="124">
13. Pereopod 6, article 5 bearing 4–7 long spines along distal margin; pereopod 7, article 5 posterior margin with 1–2 setae proximally to posterodistal angle; epimeron 3, posterodistal tooth slender and sharply curved; uropod 1 without ventral spines..........................................................................
<taxonomicName id="7989C9DFFFDEFFD15B0BFB3DFB5EFB22" ID-CoL="7NMLJ" authorityName="Bousfield" authorityYear="1965" box="[1057,1242,1237,1258]" class="Malacostraca" family="Haustoriidae" genus="Acanthohaustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="genus">
<emphasis id="8CFD6E4EFFDEFFD15B0BFB3DFB5EFB22" box="[1057,1242,1237,1258]" italics="true" pageId="23" pageNumber="124">Acanthohaustorius</emphasis>
</taxonomicName>
sp. A
<bibRefCitation id="DA18CFADFFDEFFD15A32FB3DFA18FB22" box="[1304,1436,1237,1258]" pageId="23" pageNumber="124" refId="ref15353" refString="LeCroy, S. E. (2002) An Illustrated Identification Guide to the Nearshore Marine and Estuarine Gammaridean Amphipoda of Florida. Vol. 2. State of Florida Department of Environmental Protection, Tallahassee, 224 pp." type="book">LeCroy, 2002</bibRefCitation>
</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDEFFD15FBDFB1AFA18FAEC" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFB1AFA18FAEC" pageId="23" pageNumber="124">
- Pereopod 6, article 5 with 1–3 short spines on distal margin; pereopod 7, article 5 without setae cluster; epimeron 3, posterodistal tooth short and stout; uropod 1 peduncle with 2–3 ventral spines.....
<taxonomicName id="7989C9DFFFDEFFD15C89FAE7FA18FAEC" ID-CoL="8XTY" authority="Thomas &amp; Barnard, 1984" authorityName="Thomas &amp; Barnard" authorityYear="1984" box="[931,1436,1295,1316]" class="Malacostraca" family="Haustoriidae" genus="Acanthohaustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="species" species="pansus">
<emphasis id="8CFD6E4EFFDEFFD15C89FAE7FB24FAEC" box="[931,1184,1295,1316]" italics="true" pageId="23" pageNumber="124">Acanthohaustorius pansus</emphasis>
<bibRefCitation id="DA18CFADFFDEFFD15B8DFAE7FA18FAEC" box="[1191,1436,1295,1316]" pageId="23" pageNumber="124" refId="ref16288" refString="Thomas, J. D. &amp; Barnard, J. L. (1984) Acanthohaustorius pansus, a new species of sand-burrowing amphipod from Looe Key Reef, Florida Keys, with redescription of A. bousfieldi Frame, 1980 (Amphipoda: Haustoriidae). Proceedings of the Biological Society of Washington, 97 (4), 909 - 926." type="journal article">Thomas &amp; Barnard, 1984</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDEFFD15FBDFAC5FA18FAB4" pageId="23" pageNumber="124">
<paragraph id="BE36B25CFFDEFFD15FBDFAC5FA18FA97" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFAC5FA18FA97" pageId="23" pageNumber="124">
14. Pereopod 6, article 5 with 9–10 spine groups on lateral surface; uropod 1 peduncle with 8–10 spines on dorsal margin............................................................................
<taxonomicName id="7989C9DFFFDEFFD15B09FAA2FA18FA97" ID-CoL="64F2S" authority="Frame, 1980" authorityName="Frame" authorityYear="1980" box="[1059,1436,1354,1375]" class="Malacostraca" family="Haustoriidae" genus="Acanthohaustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="species" species="similis">
<emphasis id="8CFD6E4EFFDEFFD15B09FAA2FA99FA97" box="[1059,1309,1354,1375]" italics="true" pageId="23" pageNumber="124">Acanthohaustorius similis</emphasis>
<bibRefCitation id="DA18CFADFFDEFFD15A09FAA2FA18FA97" box="[1315,1436,1354,1375]" pageId="23" pageNumber="124" refId="ref14896" refString="Frame, A. B. (1980) Two new species of sand burrowing amphipod crustaceans from Long Island Sound and the New York Bight (Amphipoda: Haustoriidae). Estuaries, 3 (2), 75 - 83. https: // doi. org / 10.2307 / 1351550" type="journal article">Frame, 1980</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDEFFD15FBDFA8FFA18FAB4" blockId="23.[151,1436,151,2020]" box="[151,1436,1383,1404]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFA8FFA18FAB4" box="[151,1436,1383,1404]" pageId="23" pageNumber="124">- Pereopod 6, article 5 with 3–7 spine groups on lateral surface; uropod 1 peduncle with 2–4 spines on dorsal margin....... 15</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDEFFD15FBDFA6DFDD3F9E4" pageId="23" pageNumber="124">
<paragraph id="BE36B25CFFDEFFD15FBDFA6DFA18FA1C" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFA6DFA18FA1C" pageId="23" pageNumber="124">
15. Pereopod 7, article 5 posterior margin evenly convex, lacking spines proximal to posterodistal angle; epimeron 3 posteroventral tooth very long, extending to pleonal notch; uropod 1 peduncle lacking ventral spines, inner ramus with 2 long apical setae...................................................................
<taxonomicName id="7989C9DFFFDEFFD15B26FA57FA18FA1C" ID-CoL="8XTX" authority="Bousfield, 1965" authorityName="Bousfield" authorityYear="1965" box="[1036,1436,1471,1492]" class="Malacostraca" family="Haustoriidae" genus="Acanthohaustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="species" species="millsi">
<emphasis id="8CFD6E4EFFDEFFD15B26FA57FB78FA1C" box="[1036,1276,1471,1492]" italics="true" pageId="23" pageNumber="124">Acanthohaustorius millsi</emphasis>
<bibRefCitation id="DA18CFADFFDEFFD15A29FA57FA18FA1C" box="[1283,1436,1471,1492]" pageId="23" pageNumber="124" refId="ref14539" refString="Bousfield, E. L. (1965) Haustoriidae of New England (Crustacea: Amphipoda). Proceedings of the United States National Museum, 117 (3512), 159 - 239. https: // doi. org / 10.5479 / si. 00963801.117 - 3512.159" type="journal article">Bousfield, 1965</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDEFFD15FBDFA35FDD3F9E4" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDFA35FDD3F9E4" pageId="23" pageNumber="124">
- Pereopod 7, article 5 posterior margin obtuse, 1–2 spines proximal to posterodistal angle; epimeron 3 posteroventral tooth moderately long but not reaching pleonal notch; uropod 1 peduncle with 1 ventral spine, inner ramus without long apical setae
<taxonomicName id="7989C9DFFFDEFFD15FCBF9FFFE12F9E4" ID-CoL="7NMLJ" authorityName="Bousfield" authorityYear="1965" box="[225,406,1559,1580]" class="Malacostraca" family="Haustoriidae" genus="Acanthohaustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="genus">
<emphasis id="8CFD6E4EFFDEFFD15FCBF9FFFE12F9E4" box="[225,406,1559,1580]" italics="true" pageId="23" pageNumber="124">Acanthohaustorius</emphasis>
</taxonomicName>
sp. C
<bibRefCitation id="DA18CFADFFDEFFD15EF9F9FFFDD3F9E4" box="[467,599,1559,1580]" pageId="23" pageNumber="124" refId="ref15353" refString="LeCroy, S. E. (2002) An Illustrated Identification Guide to the Nearshore Marine and Estuarine Gammaridean Amphipoda of Florida. Vol. 2. State of Florida Department of Environmental Protection, Tallahassee, 224 pp." type="book">LeCroy, 2002</bibRefCitation>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDEFFD15FBDF9DDFA18F96A" pageId="23" pageNumber="124">
<paragraph id="BE36B25CFFDEFFD15FBDF9DDFA1FF9AF" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDF9DDFA1FF9AF" pageId="23" pageNumber="124">16. Antenna 2, peduncular article 5 without expanded posterodistal lobe; mandible with incisor process; uropod 2 biramous; telson cleft into a V or entirely to base......................................................................... 17</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDEFFD15FBDF987FA18F96A" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDF987FA18F96A" pageId="23" pageNumber="124">
- Antenna 2, peduncular article 5 with strong posterodistal lobe; mandible lacking incisor process; uropod 2 uniramous; telson entire or emarginate.....................................................
<taxonomicName id="7989C9DFFFDEFFD15B31F965FA18F96A" ID-CoL="46J3Q" authority="Bousfield, 1965" authorityName="Bousfield" authorityYear="1965" box="[1051,1436,1677,1698]" class="Malacostraca" family="Haustoriidae" genus="Neohaustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="species" species="schmitzi">
<emphasis id="8CFD6E4EFFDEFFD15B31F965FB7FF96A" box="[1051,1275,1677,1698]" italics="true" pageId="23" pageNumber="124">Neohaustorius schmitzi</emphasis>
<bibRefCitation id="DA18CFADFFDEFFD15A29F965FA18F96A" box="[1283,1436,1677,1698]" pageId="23" pageNumber="124" refId="ref14539" refString="Bousfield, E. L. (1965) Haustoriidae of New England (Crustacea: Amphipoda). Proceedings of the United States National Museum, 117 (3512), 159 - 239. https: // doi. org / 10.5479 / si. 00963801.117 - 3512.159" type="journal article">Bousfield, 1965</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDEFFD15FBDF942FA1FF8FC" pageId="23" pageNumber="124">
<paragraph id="BE36B25CFFDEFFD15FBDF942FA1FF914" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDF942FA1FF914" pageId="23" pageNumber="124">
17. Mandibular palp, article 3 with median row of comb setae; pereopod 6, article 5 distal margin subequal to the length of article 6; pereopod 7, article 4 roughly triangular; telson cleft nearly to base…
<taxonomicName id="7989C9DFFFDEFFD15CB8F92FFB89F914" ID-CoL="7P9BR" box="[914,1037,1735,1756]" class="Malacostraca" family="Haustoriidae" genus="Lepidactylus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="genus">
<emphasis id="8CFD6E4EFFDEFFD15CB8F92FFB89F914" box="[914,1037,1735,1756]" italics="true" pageId="23" pageNumber="124">Lepidactylus</emphasis>
</taxonomicName>
............................... 18
</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDEFFD15FBDF90DFA1FF8FC" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDF90DFA1FF8FC" pageId="23" pageNumber="124">- Mandibular palp, article 3 with proximal or distal row of comb setae; pereopod 6, article 5 distal margin less than the length of article 6; pereopod 6, article 4 subrectangular with posterior margin bearing 3–4 spines (occasionally subtriangular, if so coxa 7 is acute posteriorly)................................................................................. 19</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFDEFFD15FBDF8D5FA18F82C" pageId="23" pageNumber="124">
<paragraph id="BE36B25CFFDEFFD15FBDF8D5FA18F844" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDF8D5FA18F844" pageId="23" pageNumber="124">
18. Antenna 1, accessory flagellum with 2 articles; pereopod 7, article 2 posterior margin lined with setae; uropod 1 peduncle lined with spines continuously and with 1 long, hooked interramal spine; telson lobes narrowly separated................................................................................................
<taxonomicName id="7989C9DFFFDEFFD15B77F89FFA18F844" authority="Say, 1818" authorityName="Say" authorityYear="1818" box="[1117,1436,1911,1932]" class="Malacostraca" family="Haustoriidae" genus="Lepidactylus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="species" species="dystiscus">
<emphasis id="8CFD6E4EFFDEFFD15B77F89FFAB3F844" box="[1117,1335,1911,1932]" italics="true" pageId="23" pageNumber="124">Lepidactylus dystiscus</emphasis>
<bibRefCitation id="DA18CFADFFDEFFD15A17F89FFA18F844" box="[1341,1436,1911,1932]" pageId="23" pageNumber="124" refId="ref15925" refString="Say, T. (1818) An account of the Crustacea of the United States. Journal of the Academy of Natural Sciences of Philadelphia, 1 (1), 374 - 401." type="journal article">Say, 1818</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="BE36B25CFFDEFFD15FBDF87DFA18F82C" blockId="23.[151,1436,151,2020]" pageId="23" pageNumber="124">
<keyLead id="05781169FFDEFFD15FBDF87DFA18F82C" pageId="23" pageNumber="124">
- Antenna 1, accessory flagellum with 2-5 articles; pereopod 7, article 2 without setae along posterior margin; uropod 1 peduncle not continuously lined with spines and with 3–4 slender interramal spines; telson lobes deeply separated..........................................................................
<taxonomicName id="7989C9DFFFDEFFD15CA5F827FA18F82C" ID-CoL="3T9DX" authority="Robertson &amp; Shelton, 1980" authorityName="Robertson &amp; Shelton" authorityYear="1980" box="[911,1436,1999,2020]" class="Malacostraca" family="Haustoriidae" genus="Lepidactylus" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="23" pageNumber="124" phylum="Arthropoda" rank="species" species="triarticulatus">
<emphasis id="8CFD6E4EFFDEFFD15CA5F827FB0BF82C" box="[911,1167,1999,2020]" italics="true" pageId="23" pageNumber="124">Lepidactylus triarticulatus</emphasis>
Robertson &amp;
<bibRefCitation id="DA18CFADFFDEFFD15A3CF827FA18F82C" box="[1302,1436,1999,2020]" pageId="23" pageNumber="124" refId="ref15807" refString="Roberston, P. B. &amp; Shelton, C. R. (1980) Lepidactylus triarticulatus n. sp., a new haustoriid amphipod from the northern Gulf of Mexico. Gulf Research Reports, 6 (4), 415 - 420. https: // doi. org / 10.18785 / grr. 0604.09" type="journal article">Shelton, 1980</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFD1FFDE5FBDFF7FFA1FFEEA" pageId="24" pageNumber="125">
<paragraph id="BE36B25CFFD1FFDE5FBDFF7FFA18FF2F" blockId="24.[151,1436,151,407]" pageId="24" pageNumber="125">
<keyLead id="05781169FFD1FFDE5FBDFF7FFA18FF2F" pageId="24" pageNumber="125">
19. Antenna 1 geniculate; article 3 of mandibular palp with proximal setae; maxilla 2 outer plate subequal to inner; article 6 of pereopod 6 with or without distal spine on posterior margin; uropod 2 reduced, biramous.......................................................................................
<taxonomicName id="7989C9DFFFD1FFDE5CA5FF3AFA18FF2F" ID-CoL="4N5G6" authority="Robertson &amp; Shelton, 1978" authorityName="Robertson &amp; Shelton" authorityYear="1978" box="[911,1436,210,231]" class="Malacostraca" family="Haustoriidae" genus="Protohaustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="24" pageNumber="125" phylum="Arthropoda" rank="species" species="bousfieldi">
<emphasis id="8CFD6E4EFFD1FFDE5CA5FF3AFB0BFF2F" box="[911,1167,210,231]" italics="true" pageId="24" pageNumber="125">Protohaustorius bousfieldi</emphasis>
Robertson &amp;
<bibRefCitation id="DA18CFADFFD1FFDE5A3CFF3AFA18FF2F" box="[1302,1436,210,231]" pageId="24" pageNumber="125" refId="ref15762" refString="Roberston, P. B. &amp; Shelton, C. R. (1978) Two new species of haustoriid amphipods (Crustacea: Amphipoda) from the northwestern Gulf of Mexico. Contributions in Marine Science, 21, 47 - 62." type="journal article">Shelton, 1978</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="BE36B25CFFD1FFDE5FBDFF07FA1FFEEA" blockId="24.[151,1436,151,407]" pageId="24" pageNumber="125">
<keyLead id="05781169FFD1FFDE5FBDFF07FA1FFEEA" pageId="24" pageNumber="125">
- Antenna 1 not geniculate; article 3 of mandibular palp with distal setae; maxilla 2 outer plate much longer than inner; article 6 of pereopod 6 with 3–4 distal spines on posterior margin; uropod 2 well-developed, biramous…
<taxonomicName id="7989C9DFFFD1FFDE5B54FEE5FA97FEEA" ID-CoL="7PPN5" box="[1150,1299,269,290]" class="Malacostraca" family="Haustoriidae" genus="Parahaustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="24" pageNumber="125" phylum="Arthropoda" rank="genus">
<emphasis id="8CFD6E4EFFD1FFDE5B54FEE5FA97FEEA" box="[1150,1299,269,290]" italics="true" pageId="24" pageNumber="125">Parahaustorius</emphasis>
</taxonomicName>
......... 20
</keyLead>
</paragraph>
</keyStep>
<keyStep id="057DAAF9FFD1FFDE5FBDFEC2FA18FE5F" pageId="24" pageNumber="125">
<paragraph id="BE36B25CFFD1FFDE5FBDFEC2FA18FE94" blockId="24.[151,1436,151,407]" pageId="24" pageNumber="125">
<keyLead id="05781169FFD1FFDE5FBDFEC2FA18FE94" pageId="24" pageNumber="125">
20. Pereopod 6, article 4 roughly longer than article 5, with 4 rows of setae; article 6 without setae; pereopod 7, article 6 with long setae at apex.........................................................
<taxonomicName id="7989C9DFFFD1FFDE5B3CFEAFFA18FE94" ID-CoL="75PV9" authority="Bousfield, 1965" authorityName="Bousfield" authorityYear="1965" box="[1046,1436,327,348]" class="Malacostraca" family="Haustoriidae" genus="Parahaustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="24" pageNumber="125" phylum="Arthropoda" rank="species" species="holmesi">
<emphasis id="8CFD6E4EFFD1FFDE5B3CFEAFFB79FE94" box="[1046,1277,327,348]" italics="true" pageId="24" pageNumber="125">Parahaustorius holmesi</emphasis>
<bibRefCitation id="DA18CFADFFD1FFDE5A29FEAFFA18FE94" box="[1283,1436,327,348]" pageId="24" pageNumber="125" refId="ref14539" refString="Bousfield, E. L. (1965) Haustoriidae of New England (Crustacea: Amphipoda). Proceedings of the United States National Museum, 117 (3512), 159 - 239. https: // doi. org / 10.5479 / si. 00963801.117 - 3512.159" type="journal article">Bousfield, 1965</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
<paragraph id="BE36B25CFFD1FFDE5FBDFE8DFA18FE5F" blockId="24.[151,1436,151,407]" pageId="24" pageNumber="125">
<keyLead id="05781169FFD1FFDE5FBDFE8DFA18FE5F" pageId="24" pageNumber="125">
- Pereopod 6, article 4 subequal in length to article 5, with 5 rows of setae; article 6 with setae; pereopod 7, article 6 with short setae at apex.......................................................
<taxonomicName id="7989C9DFFFD1FFDE5CD6FE6AFA18FE5F" ID-CoL="4CWST" authority="Bousfield, 1965" authorityName="Bousfield" authorityYear="1965" box="[1020,1436,386,407]" class="Malacostraca" family="Haustoriidae" genus="Parahaustorius" higherTaxonomySource="GBIF" kingdom="Animalia" order="Amphipoda" pageId="24" pageNumber="125" phylum="Arthropoda" rank="species" species="attenuatus">
<emphasis id="8CFD6E4EFFD1FFDE5CD6FE6AFB79FE5F" box="[1020,1277,386,407]" italics="true" pageId="24" pageNumber="125">Parahaustorius attenuatus</emphasis>
<bibRefCitation id="DA18CFADFFD1FFDE5A29FE6AFA18FE5F" box="[1283,1436,386,407]" pageId="24" pageNumber="125" refId="ref14539" refString="Bousfield, E. L. (1965) Haustoriidae of New England (Crustacea: Amphipoda). Proceedings of the United States National Museum, 117 (3512), 159 - 239. https: // doi. org / 10.5479 / si. 00963801.117 - 3512.159" type="journal article">Bousfield, 1965</bibRefCitation>
</taxonomicName>
</keyLead>
</paragraph>
</keyStep>
</subSubSection>
</treatment>
</document>
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