317 lines
39 KiB
XML
317 lines
39 KiB
XML
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<mods:title id="2F2C6C6A9888CCC48E541A576A40A677">New records of Recent Brachiopoda from the Red Sea with a description of a new species</mods:title>
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<mods:namePart id="15C6EF06229BF8A0DA492F414E49E103">Logan, Alan</mods:namePart>
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<mods:namePart id="6F97B171E20F4241C4ED593AA76CB6CA">Bitner, Maria Aleksandra</mods:namePart>
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<mods:title id="D748B5A4DD8D30A4741FC7421ECE32A2">Zootaxa</mods:title>
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<mods:date id="DEED354C6D79FDA07C0DF9628819599C">2013</mods:date>
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<treatment id="FC5087EAFFAEFFF3FF6435C015E57811" ID-DOI="http://doi.org/10.5281/zenodo.6158522" ID-GBIF-Taxon="119584156" ID-Zenodo-Dep="6158522" LSID="urn:lsid:plazi:treatment:FC5087EAFFAEFFF3FF6435C015E57811" httpUri="http://treatment.plazi.org/id/FC5087EAFFAEFFF3FF6435C015E57811" lastPageId="5" lastPageNumber="166" pageId="2" pageNumber="163">
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<subSubSection id="3CE36577FFAEFFF4FF6435C014BA7B48" pageId="2" pageNumber="163" type="nomenclature">
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<paragraph id="744636FCFFAEFFF4FF6435C0147F7B26" blockId="2.[151,553,1771,1830]" box="[151,553,1771,1797]" pageId="2" pageNumber="163">
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<heading id="2F0E8190FFAEFFF4FF6435C0147F7B26" bold="true" box="[151,553,1771,1797]" fontSize="11" level="1" pageId="2" pageNumber="163" reason="1">
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<taxonomicName id="B3F94D7FFFAEFFF4FF6435C0147F7B26" ID-CoL="43KKP" authority="Cooper, 1981" authorityName="Cooper" authorityYear="1981" box="[151,553,1771,1797]" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="2" pageNumber="163" phylum="Brachiopoda" rank="species" species="minuta">
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<emphasis id="468DEAEEFFAEFFF4FF6435C0147F7B26" bold="true" box="[151,553,1771,1797]" pageId="2" pageNumber="163">
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<emphasis id="468DEAEEFFAEFFF4FF6435C0173D7B26" bold="true" box="[151,363,1771,1797]" italics="true" pageId="2" pageNumber="163">Minutella minuta</emphasis>
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(Cooper, 1981)
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</emphasis>
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</taxonomicName>
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</heading>
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</paragraph>
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<paragraph id="744636FCFFAEFFF4FF64342617777B05" blockId="2.[151,553,1771,1830]" box="[151,289,1805,1830]" pageId="2" pageNumber="163">
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(
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<figureCitation id="ECC22A79FFAEFFF4FF6C342616B47B05" box="[159,226,1805,1830]" captionStart="FIGURE 2" captionStartId="3.[151,255,1444,1467]" captionText="FIGURE 2. Minutella minuta (Cooper, 1981), Red Sea. A – D. GZ 93 / 8, 80 m, NBM- 010227 (see Logan and Baker 2013, figs 1 F, 4 I). A. Interior of ventral valve. B. Interior of dorsal valve. C. Enlargement of ventral cardinal area in A to show large endopunctae, central upraised triangular rugideltidium and flanking striated interareas, and protegulum. D. Side view of B to show dorsal valve interior with arched median septum (asterisk) and opening beneath, joining brachial cavities, E – G. SM 9 B, 55 m, NHMW 87192 / GP / 218. E. Interior of ventral valve with hemispondylium. F. Interior of dorsal valve showing narrow median septum and spiculate canopy with two prominent marsupial holes. G. Enlargement of lobate cardinal process in F, showing flanking pitted lateral adductor muscle scars, bridge and short (early stage) pole, H. SM 9 B, 55 m, NHMW 87192 / GP / 219. Dorsal view of complete specimen showing large endopunctae, rugideltidium and prominent dorsal valve protegulum, I – K. SM 9 B, 55 m, NHMW 87192 / GP / 220. I. Dorsal valve interior showing median septum, with atypical anterior widening, complete canopies and marsupial holes, J – K. Previous specimen tilted to show posterior margin with bridge and intermediate stage of pole development. L. SM 9 B, 55 m, NHMW 87192 / GP / 221. Dorsal valve interior with thick spiculate canopy and median septum with intermediate developmental stages between F and I. M – N. SM 9 B, 55 m, NHMW 87192 / GP / 222. M. Flat or slightly concave hemispondylium, attached to floor of valve, with no supporting underlying septum, with flanking parallel prominent prongs, N. Side view of prongs. O. GZ 93 / 8. 80 m, NHMW 87192 / GP / 223. Lobate cardinal process and bridge tilted to show pitted lateral adductor muscle scars flanking fully-developed pole, but not attached to cardinal process. Scale bars: A, B, H, 500 µm; E, L, F, 600 µm; I, J, 550 µm; C, G, K, O, 150 µm; D, 300 µm; M, N, 150 µm. All SEMs." pageId="2" pageNumber="163">Fig. 2</figureCitation>
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A–O)
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</paragraph>
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<paragraph id="744636FCFFAEFFF4FF64347E14BA7B48" blockId="2.[151,1130,1877,2022]" box="[151,748,1877,1899]" pageId="2" pageNumber="163">
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1981
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<taxonomicName id="B3F94D7FFFAEFFF4FF23347E17BA7B48" authority="Cooper" authorityName="Cooper" box="[208,492,1877,1899]" class="Rhynchonellata" family="Thecidellinidae" genus="Thecidellina" kingdom="Animalia" order="Thecideida" pageId="2" pageNumber="163" phylum="Brachiopoda" rank="species" species="minuta">
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<emphasis id="468DEAEEFFAEFFF4FF23347E17CD7B48" box="[208,411,1877,1899]" italics="true" pageId="2" pageNumber="163">Thecidellina minuta</emphasis>
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Cooper
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</taxonomicName>
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- p. 61, pl. 6, figs 27–40.
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</paragraph>
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</subSubSection>
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<subSubSection id="3CE36577FFAEFFF4FF64345F150E7BC5" pageId="2" pageNumber="163" type="description">
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<paragraph id="744636FCFFAEFFF4FF64345F14A37BA9" blockId="2.[151,1130,1877,2022]" box="[151,757,1908,1930]" pageId="2" pageNumber="163">
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2009
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<taxonomicName id="B3F94D7FFFAEFFF4FF23345F17BA7BA9" authority="Cooper" authorityName="Cooper" box="[208,492,1908,1930]" class="Rhynchonellata" family="Thecidellinidae" genus="Thecidellina" kingdom="Animalia" order="Thecideida" pageId="2" pageNumber="163" phylum="Brachiopoda" rank="species" species="minuta">
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<emphasis id="468DEAEEFFAEFFF4FF23345F17CD7BA9" box="[208,411,1908,1930]" italics="true" pageId="2" pageNumber="163">Thecidellina minuta</emphasis>
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Cooper
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</taxonomicName>
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- Bitner, p.18, fig. 13A–I.
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</paragraph>
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<paragraph id="744636FCFFAEFFF4FF6434B914A97B8B" blockId="2.[151,1130,1877,2022]" box="[151,767,1938,1960]" pageId="2" pageNumber="163">
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2010
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<taxonomicName id="B3F94D7FFFAEFFF4FF2334B917BA7B8B" authority="Cooper" authorityName="Cooper" box="[208,492,1938,1960]" class="Rhynchonellata" family="Thecidellinidae" genus="Thecidellina" kingdom="Animalia" order="Thecideida" pageId="2" pageNumber="163" phylum="Brachiopoda" rank="species" species="minuta">
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<emphasis id="468DEAEEFFAEFFF4FF2334B917CD7B8B" box="[208,411,1938,1960]" italics="true" pageId="2" pageNumber="163">Thecidellina minuta</emphasis>
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Cooper
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</taxonomicName>
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- Bitner, p. 653, fig. 5A–F.
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</paragraph>
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<paragraph id="744636FCFFAEFFF4FF64349A150E7BC5" blockId="2.[151,1130,1877,2022]" pageId="2" pageNumber="163">
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2010
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<taxonomicName id="B3F94D7FFFAEFFF4FF23349A17867BE4" authority="Cooper" authorityName="Cooper" box="[208,464,1969,1991]" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="2" pageNumber="163" phylum="Brachiopoda" rank="species" species="minuta">
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<emphasis id="468DEAEEFFAEFFF4FF23349A17297BE4" box="[208,383,1969,1991]" italics="true" pageId="2" pageNumber="163">Minutella minuta</emphasis>
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Cooper
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</taxonomicName>
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- Hoffmann and Lüter, p. 148, pl. 2, figs 13–18; pl. 3, figs 13–15. 2013
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<taxonomicName id="B3F94D7FFFAEFFF4FF2334FB17867BC5" authority="Cooper" authorityName="Cooper" box="[208,464,2000,2022]" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="2" pageNumber="163" phylum="Brachiopoda" rank="species" species="minuta">
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<emphasis id="468DEAEEFFAEFFF4FF2334FB17297BC5" box="[208,383,2000,2022]" italics="true" pageId="2" pageNumber="163">Minutella minuta</emphasis>
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Cooper
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</taxonomicName>
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- Logan and
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<collectingCountry id="0CEE766CFFAEFFF4FDA434FB14C37BC5" box="[599,661,2000,2022]" name="United States Pacific Island Wildlife Refuges" pageId="2" pageNumber="163">Baker</collectingCountry>
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, p. 438, figs 1F,
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<date id="0047103CFFAEFFF4FCCF34FB150E7BC5" box="[828,856,2000,2022]" pageId="2" pageNumber="163">4I.</date>
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</paragraph>
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</subSubSection>
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||
<subSubSection id="3CE36577FFAFFFF5FF6433BC14657CDB" pageId="3" pageNumber="164" type="materials_examined">
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||
<paragraph id="744636FCFFAFFFF5FF6433BC13107C93" blockId="3.[151,1436,151,1365]" box="[151,1350,151,176]" pageId="3" pageNumber="164">
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<emphasis id="468DEAEEFFAFFFF5FF6433BC17637C93" bold="true" box="[151,309,151,176]" pageId="3" pageNumber="164">
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<typeStatus id="AB42885EFFAFFFF5FF6433BC16847C93" box="[151,210,151,176]" pageId="3" pageNumber="164">Type</typeStatus>
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locality.
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</emphasis>
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Samper Bank, south-east of
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<collectingCountry id="0CEE766CFFAFFFF5FD8B33BC15577C93" box="[632,769,151,176]" name="Madagascar" pageId="3" pageNumber="164">Madagascar</collectingCountry>
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, western Indian Ocean, depth
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<quantity id="B3019B19FFAFFFF5FBA733B312C57C93" box="[1108,1171,152,176]" metricMagnitude="2" metricUnit="m" metricValue="3.8" pageId="3" pageNumber="164" unit="m" value="380.0">380m</quantity>
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(Cooper 1981).
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</paragraph>
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<paragraph id="744636FCFFAFFFF5FF34339714657CDB" blockId="3.[151,1436,151,1365]" pageId="3" pageNumber="164">
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<emphasis id="468DEAEEFFAFFFF5FF34339717797CF6" bold="true" box="[199,303,188,213]" pageId="3" pageNumber="164">Material</emphasis>
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.
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<specimenCount id="62FFFD75FFAFFFF5FECE339717807CF6" box="[317,470,188,213]" pageId="3" pageNumber="164" type="generic">28 specimens</specimenCount>
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from two localities in
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<collectingCountry id="0CEE766CFFAFFFF5FD253397151C7CF6" box="[726,842,188,213]" name="Sudan" pageId="3" pageNumber="164">the Sudan</collectingCountry>
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: 12 from GZ 93/8, 16 from SM 9B, including a total of 18 dorsal valves at both localities.
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</paragraph>
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</subSubSection>
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<subSubSection id="3CE36577FFAFFFF5FF34322F15537D3F" box="[199,773,260,285]" pageId="3" pageNumber="164" type="diagnosis">
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<paragraph id="744636FCFFAFFFF5FF34322F15537D3F" blockId="3.[151,1436,151,1365]" box="[199,773,260,285]" pageId="3" pageNumber="164">
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<emphasis id="468DEAEEFFAFFFF5FF34322F17177D3E" bold="true" box="[199,321,260,285]" pageId="3" pageNumber="164">Diagnosis.</emphasis>
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(see Hoffmann and Lüter 2010, p. 148).
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</paragraph>
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</subSubSection>
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<subSubSection id="3CE36577FFAFFFF5FF34320C131A7FA3" pageId="3" pageNumber="164" type="description">
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<paragraph id="744636FCFFAFFFF5FF34320C131A7FA3" blockId="3.[151,1436,151,1365]" pageId="3" pageNumber="164">
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<emphasis id="468DEAEEFFAFFFF5FF34320C17077D63" bold="true" box="[199,337,295,320]" pageId="3" pageNumber="164">Description</emphasis>
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. Shell very small, mean length about
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<quantity id="B3019B19FFAFFFF5FD06320315647D63" box="[757,818,296,320]" metricMagnitude="-3" metricUnit="m" metricValue="2.0" pageId="3" pageNumber="164" unit="mm" value="2.0">2mm</quantity>
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, mean width about
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<quantity id="B3019B19FFAFFFF5FBF9320C120D7D63" box="[1034,1115,295,320]" metricMagnitude="-3" metricUnit="m" metricValue="1.5" pageId="3" pageNumber="164" unit="mm" value="1.5">1.5mm</quantity>
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, longer than wide, biconvex, ventral valve larger than dorsal valve, cemented to substrate by cicatrix of attachment, anterior commissure rectimarginate, shell coarsely endopunctate, interarea of ventral valve with horizontal growth striations, not endopunctate, with central upraised elongate triangular rugideltidium with growth lines but without horizontal striations or endopunctae, lateral edge zones of rugideltidium feathered with underlying interarea. Ventral valve interior with prominent cyrtomatodont teeth covered with fibrous secondary shell, oval lateral adductor muscle scars, hemispondylium flat or slightly concave with no supporting septum, attached to floor of valve, with parallel prominent prongs apically pointed and slightly hooked at ends, interior of valve without prominent gonadal pits, interior granulose, margin with 3–4 rows of tubercles of fibrous secondary shell. Dorsal valve rounded, interior profile arched from anterior to posterior with median septum supported by thin plate spanning cavity in early growth stages (
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<figureCitation id="ECC22A79FFAFFFF5FEB031A417D17E8B" box="[323,391,655,680]" captionStart="FIGURE 2" captionStartId="3.[151,255,1444,1467]" captionText="FIGURE 2. Minutella minuta (Cooper, 1981), Red Sea. A – D. GZ 93 / 8, 80 m, NBM- 010227 (see Logan and Baker 2013, figs 1 F, 4 I). A. Interior of ventral valve. B. Interior of dorsal valve. C. Enlargement of ventral cardinal area in A to show large endopunctae, central upraised triangular rugideltidium and flanking striated interareas, and protegulum. D. Side view of B to show dorsal valve interior with arched median septum (asterisk) and opening beneath, joining brachial cavities, E – G. SM 9 B, 55 m, NHMW 87192 / GP / 218. E. Interior of ventral valve with hemispondylium. F. Interior of dorsal valve showing narrow median septum and spiculate canopy with two prominent marsupial holes. G. Enlargement of lobate cardinal process in F, showing flanking pitted lateral adductor muscle scars, bridge and short (early stage) pole, H. SM 9 B, 55 m, NHMW 87192 / GP / 219. Dorsal view of complete specimen showing large endopunctae, rugideltidium and prominent dorsal valve protegulum, I – K. SM 9 B, 55 m, NHMW 87192 / GP / 220. I. Dorsal valve interior showing median septum, with atypical anterior widening, complete canopies and marsupial holes, J – K. Previous specimen tilted to show posterior margin with bridge and intermediate stage of pole development. L. SM 9 B, 55 m, NHMW 87192 / GP / 221. Dorsal valve interior with thick spiculate canopy and median septum with intermediate developmental stages between F and I. M – N. SM 9 B, 55 m, NHMW 87192 / GP / 222. M. Flat or slightly concave hemispondylium, attached to floor of valve, with no supporting underlying septum, with flanking parallel prominent prongs, N. Side view of prongs. O. GZ 93 / 8. 80 m, NHMW 87192 / GP / 223. Lobate cardinal process and bridge tilted to show pitted lateral adductor muscle scars flanking fully-developed pole, but not attached to cardinal process. Scale bars: A, B, H, 500 µm; E, L, F, 600 µm; I, J, 550 µm; C, G, K, O, 150 µm; D, 300 µm; M, N, 150 µm. All SEMs." pageId="3" pageNumber="164">Fig. 2</figureCitation>
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D), later filling in, median septum narrow, widening anteriorly, with central groove, margins slightly dentate, undamaged brachial cavities covered with reticulated canopy of spicules of variable arrangement (cf.
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<figureCitation id="ECC22A79FFAFFFF5FF3431FC17417ED3" box="[199,279,727,752]" captionStart="FIGURE 2" captionStartId="3.[151,255,1444,1467]" captionText="FIGURE 2. Minutella minuta (Cooper, 1981), Red Sea. A – D. GZ 93 / 8, 80 m, NBM- 010227 (see Logan and Baker 2013, figs 1 F, 4 I). A. Interior of ventral valve. B. Interior of dorsal valve. C. Enlargement of ventral cardinal area in A to show large endopunctae, central upraised triangular rugideltidium and flanking striated interareas, and protegulum. D. Side view of B to show dorsal valve interior with arched median septum (asterisk) and opening beneath, joining brachial cavities, E – G. SM 9 B, 55 m, NHMW 87192 / GP / 218. E. Interior of ventral valve with hemispondylium. F. Interior of dorsal valve showing narrow median septum and spiculate canopy with two prominent marsupial holes. G. Enlargement of lobate cardinal process in F, showing flanking pitted lateral adductor muscle scars, bridge and short (early stage) pole, H. SM 9 B, 55 m, NHMW 87192 / GP / 219. Dorsal view of complete specimen showing large endopunctae, rugideltidium and prominent dorsal valve protegulum, I – K. SM 9 B, 55 m, NHMW 87192 / GP / 220. I. Dorsal valve interior showing median septum, with atypical anterior widening, complete canopies and marsupial holes, J – K. Previous specimen tilted to show posterior margin with bridge and intermediate stage of pole development. L. SM 9 B, 55 m, NHMW 87192 / GP / 221. Dorsal valve interior with thick spiculate canopy and median septum with intermediate developmental stages between F and I. M – N. SM 9 B, 55 m, NHMW 87192 / GP / 222. M. Flat or slightly concave hemispondylium, attached to floor of valve, with no supporting underlying septum, with flanking parallel prominent prongs, N. Side view of prongs. O. GZ 93 / 8. 80 m, NHMW 87192 / GP / 223. Lobate cardinal process and bridge tilted to show pitted lateral adductor muscle scars flanking fully-developed pole, but not attached to cardinal process. Scale bars: A, B, H, 500 µm; E, L, F, 600 µm; I, J, 550 µm; C, G, K, O, 150 µm; D, 300 µm; M, N, 150 µm. All SEMs." pageId="3" pageNumber="164">
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Figs.
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<date id="0047103CFFAFFFF5FEFA31F317417ED3" box="[265,279,728,752]" pageId="3" pageNumber="164">2</date>
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</figureCitation>
|
||
I and L) with a pair of ovate marsupial openings through canopy on either side of posterior end of median septum, bridge broad, no marsupial notch, median adductor muscle scars beneath bridge, with narrow delicate calcitic pole suspended from centre of bridge, no lateral outgrowths and not fused to cardinal process; cardinal process large, bilobate, lateral lobes with secondary shell covering, dental sockets flanking cardinal process, strongly tuberculated outer margins, with tubercles of secondary shell. Lophophore schizolophous.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection id="3CE36577FFAFFFF3FF3430A715E57811" lastPageId="5" lastPageNumber="166" pageId="3" pageNumber="164" type="discussion">
|
||
<paragraph id="744636FCFFAFFFF5FF3430A717D07976" blockId="3.[151,1436,151,1365]" pageId="3" pageNumber="164">
|
||
<emphasis id="468DEAEEFFAFFFF5FF3430A7176D7F86" bold="true" box="[199,315,908,933]" pageId="3" pageNumber="164">Remarks.</emphasis>
|
||
Cooper (1981) described
|
||
<taxonomicName id="B3F94D7FFFAFFFF5FD9030A715157F87" box="[611,835,908,933]" class="Rhynchonellata" family="Thecidellinidae" genus="Thecidellina" kingdom="Animalia" order="Thecideida" pageId="3" pageNumber="164" phylum="Brachiopoda" rank="species" species="minuta">
|
||
<emphasis id="468DEAEEFFAFFFF5FD9030A715157F87" box="[611,835,908,933]" italics="true" pageId="3" pageNumber="164">Thecidellina minuta</emphasis>
|
||
</taxonomicName>
|
||
from Samper Bank, south-east of
|
||
<collectingCountry id="0CEE766CFFAFFFF5FB3330A713117F86" box="[1216,1351,908,933]" name="Madagascar" pageId="3" pageNumber="164">Madagascar</collectingCountry>
|
||
mainly on the basis of its small size, as the name implies. Hoffmann and Lüter (2010) included this species in their new genus
|
||
<taxonomicName id="B3F94D7FFFAFFFF5FF1730FF17077FCE" box="[228,337,980,1005]" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="3" pageNumber="164" phylum="Brachiopoda" rank="genus">
|
||
<emphasis id="468DEAEEFFAFFFF5FF1730FF17077FCE" box="[228,337,980,1005]" italics="true" pageId="3" pageNumber="164">Minutella</emphasis>
|
||
</taxonomicName>
|
||
for small thecidellinids with a pseudodeltidium (renamed rugideltidium by Logan and
|
||
<collectingCountry id="0CEE766CFFAFFFF5FAAA30FF13CA7FCE" box="[1369,1436,980,1005]" name="United States Pacific Island Wildlife Refuges" pageId="3" pageNumber="164">Baker</collectingCountry>
|
||
2013). The latter feature was not described by Cooper but its presence in the
|
||
<typeStatus id="AB42885EFFAFFFF5FBE430D312117833" box="[1047,1095,1016,1040]" pageId="3" pageNumber="164">type</typeStatus>
|
||
specimens was confirmed by Hoffmann and Lüter (2010). These authors described
|
||
<taxonomicName id="B3F94D7FFFAFFFF5FCFB373615D77817" box="[776,897,1053,1076]" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="3" pageNumber="164" phylum="Brachiopoda" rank="species" species="tristani">
|
||
<emphasis id="468DEAEEFFAFFFF5FCFB373615D77817" box="[776,897,1053,1076]" italics="true" pageId="3" pageNumber="164">M. tristani</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="B3F94D7FFFAFFFF5FC4D373612117816" box="[958,1095,1052,1077]" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="3" pageNumber="164" phylum="Brachiopoda" rank="species" species="bruntoni">
|
||
<emphasis id="468DEAEEFFAFFFF5FC4D373612117816" box="[958,1095,1052,1077]" italics="true" pageId="3" pageNumber="164">M. bruntoni</emphasis>
|
||
</taxonomicName>
|
||
from the Caribbean and also recognized an Indo-Pacific group (or clade) consisting of
|
||
<taxonomicName id="B3F94D7FFFAFFFF5FCCE376A15E2787B" box="[829,948,1089,1112]" class="Rhynchonellata" family="Thecidellinidae" genus="Thecidellina" kingdom="Animalia" order="Thecideida" pageId="3" pageNumber="164" phylum="Brachiopoda" rank="species" species="minuta">
|
||
<emphasis id="468DEAEEFFAFFFF5FCCE376A15E2787B" box="[829,948,1089,1112]" italics="true" pageId="3" pageNumber="164">M. minuta</emphasis>
|
||
</taxonomicName>
|
||
from Samper Bank,
|
||
<taxonomicName id="B3F94D7FFFAFFFF5FB5E376A134D787B" box="[1197,1307,1089,1112]" class="Rhynchonellata" family="Thecidellinidae" genus="Thecidellina" kingdom="Animalia" order="Thecideida" pageId="3" pageNumber="164" phylum="Brachiopoda" rank="species" species="minuta">
|
||
<emphasis id="468DEAEEFFAFFFF5FB5E376A134D787B" box="[1197,1307,1089,1112]" italics="true" pageId="3" pageNumber="164">T. minuta</emphasis>
|
||
</taxonomicName>
|
||
from
|
||
<collectingCountry id="0CEE766CFFAFFFF5FA94376B175F785E" name="New Caledonia" pageId="3" pageNumber="164">New Caledonia</collectingCountry>
|
||
(Bitner 2009, 2010), and
|
||
<taxonomicName id="B3F94D7FFFAFFFF5FDDB374E14E8785F" box="[552,702,1124,1149]" class="Rhynchonellata" family="Thecidellinidae" genus="Thecidellina" kingdom="Animalia" order="Thecideida" pageId="3" pageNumber="164" phylum="Brachiopoda" rank="species" species="minuta">
|
||
<emphasis id="468DEAEEFFAFFFF5FDDB374E1469785F" box="[552,575,1125,1148]" italics="true" pageId="3" pageNumber="164">M</emphasis>
|
||
. cf.
|
||
<emphasis id="468DEAEEFFAFFFF5FD83374E14E8785F" box="[624,702,1125,1148]" italics="true" pageId="3" pageNumber="164">minuta</emphasis>
|
||
</taxonomicName>
|
||
from Okinawa,
|
||
<collectingCountry id="0CEE766CFFAFFFF5FC87374F15C8785E" box="[884,926,1124,1149]" name="Fiji" pageId="3" pageNumber="164">Fiji</collectingCountry>
|
||
, and Lizard Island (
|
||
<collectingCountry id="0CEE766CFFAFFFF5FB89374F12B1785E" box="[1146,1255,1124,1149]" name="Australia" pageId="3" pageNumber="164">Australia</collectingCountry>
|
||
). To this list can be added
|
||
<taxonomicName id="B3F94D7FFFAFFFF5FEF137AC17B17883" box="[258,487,1159,1184]" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="3" pageNumber="164" phylum="Brachiopoda" rank="species" species="minuta">
|
||
<emphasis id="468DEAEEFFAFFFF5FEF137AC17397883" box="[258,367,1159,1184]" italics="true" pageId="3" pageNumber="164">Minutella</emphasis>
|
||
cf.
|
||
<emphasis id="468DEAEEFFAFFFF5FE6A37A217B17883" box="[409,487,1161,1184]" italics="true" pageId="3" pageNumber="164">minuta</emphasis>
|
||
</taxonomicName>
|
||
from Sulawesi,
|
||
<collectingCountry id="0CEE766CFFAFFFF5FD6E37AC155C7883" box="[669,778,1159,1184]" name="Indonesia" pageId="3" pageNumber="164">Indonesia</collectingCountry>
|
||
(Simon and Hoffmann 2013) and the Red Sea occurrences described here, as well as additional discoveries of this form from
|
||
<collectingCountry id="0CEE766CFFAFFFF5FC1E3787127D78E6" box="[1005,1067,1196,1221]" name="Palau" pageId="3" pageNumber="164">Palau</collectingCountry>
|
||
and Saipan (our unpublished observations). This revised Indo-Pacific group is shown in
|
||
<figureCitation id="ECC22A79FFAFFFF5FCC337E4152478CB" box="[816,882,1231,1256]" captionStart="FIGURE 3" captionStartId="5.[151,255,705,728]" captionTargetBox="[381,1206,201,680]" captionTargetId="figure@5.[381,1206,195,681]" captionTargetPageId="5" captionText="FIGURE 3. Global map showing distribution of all Recent Thecidellina (x) and Minutella species (m). Minutella minuta occurrences are as follows: m 1 = Samper Bank; m 2 = Red Sea; m 3 = Okinawa; m 4 = Fiji; m 5 = Lizard Island; m 6 = New Caledonia; m 7 = Sulawesi; m 8 = Palau; m 9 = Saipan." httpUri="https://zenodo.org/record/215539/files/figure.png" pageId="3" pageNumber="164">Fig. 3</figureCitation>
|
||
as localities M1–9 and represents varieties of
|
||
<taxonomicName id="B3F94D7FFFAFFFF5FA8E37FA16B3792F" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="3" pageNumber="164" phylum="Brachiopoda" rank="species" species="minuta">
|
||
<emphasis id="468DEAEEFFAFFFF5FA8E37FA16B3792F" italics="true" pageId="3" pageNumber="164">M. minuta</emphasis>
|
||
</taxonomicName>
|
||
with only minor differences insufficient to separate them as distinct species. The Red Sea specimens thus become the westernmost occurrence of a postulated
|
||
<taxonomicName id="B3F94D7FFFAFFFF5FD2D363C15C97913" box="[734,927,1303,1328]" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="3" pageNumber="164" phylum="Brachiopoda" rank="species" species="minuta">
|
||
<emphasis id="468DEAEEFFAFFFF5FD2D363C15C97913" box="[734,927,1303,1328]" italics="true" pageId="3" pageNumber="164">Minutella minuta</emphasis>
|
||
</taxonomicName>
|
||
species complex stretching from the Red Sea to the central Pacific.
|
||
</paragraph>
|
||
<caption id="20866674FFAFFFF5FF64368F15AB7B98" pageId="3" pageNumber="164">
|
||
<paragraph id="744636FCFFAFFFF5FF64368F15AB7B98" blockId="3.[151,1437,1444,1979]" pageId="3" pageNumber="164">
|
||
<emphasis id="468DEAEEFFAFFFF5FF64368F174F7998" bold="true" box="[151,281,1444,1467]" pageId="3" pageNumber="164">FIGURE 2.</emphasis>
|
||
<taxonomicName id="B3F94D7FFFAFFFF5FEEC368F14D47998" authority="Cooper, 1981" authorityName="Cooper" authorityYear="1981" box="[287,642,1444,1467]" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="3" pageNumber="164" phylum="Brachiopoda" rank="species" species="minuta">
|
||
<emphasis id="468DEAEEFFAFFFF5FEEC368F17817998" box="[287,471,1444,1467]" italics="true" pageId="3" pageNumber="164">Minutella minuta</emphasis>
|
||
(Cooper, 1981)
|
||
</taxonomicName>
|
||
, Red Sea. A–D. GZ 93/8, 80m, NBM-010227 (see Logan and Baker 2013, figs 1F, 4I).
|
||
<emphasis id="468DEAEEFFAFFFF5FEEA36EF177A79F8" bold="true" box="[281,300,1476,1499]" pageId="3" pageNumber="164">A</emphasis>
|
||
. Interior of ventral valve.
|
||
<emphasis id="468DEAEEFFAFFFF5FDB636EF140179F8" bold="true" box="[581,599,1476,1499]" pageId="3" pageNumber="164">B</emphasis>
|
||
. Interior of dorsal valve.
|
||
<emphasis id="468DEAEEFFAFFFF5FC9436EF152C79F8" bold="true" box="[871,890,1476,1499]" pageId="3" pageNumber="164">C</emphasis>
|
||
. Enlargement of ventral cardinal area in A to show large endopunctae, central upraised triangular rugideltidium and flanking striated interareas, and protegulum.
|
||
<emphasis id="468DEAEEFFAFFFF5FABA36CF130A79D8" bold="true" box="[1353,1372,1508,1531]" pageId="3" pageNumber="164">D</emphasis>
|
||
. Side view of B to show dorsal valve interior with arched median septum (asterisk) and opening beneath, joining brachial cavities, E–G. SM 9B, 55m, NHMW 87192/GP/218.
|
||
<emphasis id="468DEAEEFFAFFFF5FD12350F14A57A18" bold="true" box="[737,755,1572,1595]" pageId="3" pageNumber="164">E</emphasis>
|
||
. Interior of ventral valve with hemispondylium.
|
||
<emphasis id="468DEAEEFFAFFFF5FAFD350F134A7A18" bold="true" box="[1294,1308,1572,1595]" pageId="3" pageNumber="164">F</emphasis>
|
||
. Interior of dorsal valve showing narrow median septum and spiculate canopy with two prominent marsupial holes.
|
||
<emphasis id="468DEAEEFFAFFFF5FB06356F13507A78" bold="true" box="[1269,1286,1604,1627]" pageId="3" pageNumber="164">G</emphasis>
|
||
. Enlargement of lobate cardinal process in F, showing flanking pitted lateral adductor muscle scars, bridge and short (early stage) pole,
|
||
<emphasis id="468DEAEEFFAFFFF5FF6435AF16FA7AB8" bold="true" box="[151,172,1668,1691]" pageId="3" pageNumber="164">H</emphasis>
|
||
. SM 9B, 55m, NHMW 87192/GP/219. Dorsal view of complete specimen showing large endopunctae, rugideltidium and prominent dorsal valve protegulum, I–K. SM 9B, 55m, NHMW 87192/GP/220.
|
||
<emphasis id="468DEAEEFFAFFFF5FBC8358F12137A98" bold="true" box="[1083,1093,1700,1723]" pageId="3" pageNumber="164">I</emphasis>
|
||
. Dorsal valve interior showing median septum, with atypical anterior widening, complete canopies and marsupial holes,
|
||
<emphasis id="468DEAEEFFAFFFF5FBA435EF12327AF8" bold="true" box="[1111,1124,1732,1755]" pageId="3" pageNumber="164">J</emphasis>
|
||
–
|
||
<emphasis id="468DEAEEFFAFFFF5FB8135EF12D07AF8" bold="true" box="[1138,1158,1732,1755]" pageId="3" pageNumber="164">K</emphasis>
|
||
. Previous specimen tilted to show posterior margin with bridge and intermediate stage of pole development.
|
||
<emphasis id="468DEAEEFFAFFFF5FBFF35CF12487AD8" bold="true" box="[1036,1054,1764,1787]" pageId="3" pageNumber="164">L</emphasis>
|
||
. SM 9B, 55m, NHMW 87192/GP/ 221. Dorsal valve interior with thick spiculate canopy and median septum with intermediate developmental stages between F and I. M–N. SM 9B, 55m, NHMW 87192/GP/222.
|
||
<emphasis id="468DEAEEFFAFFFF5FCC9340F15057B18" bold="true" box="[826,851,1828,1851]" pageId="3" pageNumber="164">M</emphasis>
|
||
. Flat or slightly concave hemispondylium, attached to floor of valve, with no supporting underlying septum, with flanking parallel prominent prongs,
|
||
<emphasis id="468DEAEEFFAFFFF5FB68346F12F87B78" bold="true" box="[1179,1198,1860,1883]" pageId="3" pageNumber="164">N</emphasis>
|
||
. Side view of prongs.
|
||
<emphasis id="468DEAEEFFAFFFF5FF64344F16FA7B58" bold="true" box="[151,172,1892,1915]" pageId="3" pageNumber="164">O</emphasis>
|
||
. GZ 93/8. 80m, NHMW 87192/GP/223. Lobate cardinal process and bridge tilted to show pitted lateral adductor muscle scars flanking fully-developed pole, but not attached to cardinal process. Scale bars: A, B, H, 500 µm; E, L, F, 600 µm; I, J, 550 µm; C, G, K, O, 150 µm; D, 300 µm; M, N, 150 µm. All SEMs.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="744636FCFFA8FFF2FF6433BC14507D47" blockId="4.[151,1436,151,357]" pageId="4" pageNumber="165">
|
||
According to Hoffmann and Lüter (2010, p. 158, pl. 3) one of the main distinguishing characters separating the 2 groups is the nature of the dorsal valve median septum which is narrow and straight in the Indo-Pacific group, but broad and heavily tapering posteriorly in the Caribbean group. However, Red Sea specimens demonstrate that this feature can be quite variable (compare figures 2F, I, and L) and should be used with caution. Another difference is the presence in
|
||
<taxonomicName id="B3F94D7FFFA8FFF2FEBB320217997D63" box="[328,463,295,320]" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="4" pageNumber="165" phylum="Brachiopoda" rank="species" species="bruntoni">
|
||
<emphasis id="468DEAEEFFA8FFF2FEBB320217097D63" box="[328,351,297,320]" italics="true" pageId="4" pageNumber="165">M</emphasis>
|
||
.
|
||
<emphasis id="468DEAEEFFA8FFF2FE9C320C17997D63" box="[367,463,295,320]" italics="true" pageId="4" pageNumber="165">bruntoni</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="B3F94D7FFFA8FFF2FDF4320214287D63" box="[519,638,297,320]" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="4" pageNumber="165" phylum="Brachiopoda" rank="species" species="tristani">
|
||
<emphasis id="468DEAEEFFA8FFF2FDF4320214287D63" box="[519,638,297,320]" italics="true" pageId="4" pageNumber="165">M. tristani</emphasis>
|
||
</taxonomicName>
|
||
of prominent median adductor muscle scars below the brachial bridge which are not seen in
|
||
<taxonomicName id="B3F94D7FFFA8FFF2FE7F326617A97D47" box="[396,511,333,356]" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="4" pageNumber="165" phylum="Brachiopoda" rank="species" species="minuta">
|
||
<emphasis id="468DEAEEFFA8FFF2FE7F326617A97D47" box="[396,511,333,356]" italics="true" pageId="4" pageNumber="165">M. minuta</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<caption id="20866674FFA9FFF3FF6431EA149B7F3B" httpUri="https://zenodo.org/record/215539/files/figure.png" pageId="5" pageNumber="166" targetBox="[381,1206,201,680]" targetPageId="5">
|
||
<paragraph id="744636FCFFA9FFF3FF6431EA149B7F3B" blockId="5.[151,1436,705,792]" pageId="5" pageNumber="166">
|
||
<emphasis id="468DEAEEFFA9FFF3FF6431EA174E7EFB" bold="true" box="[151,280,705,728]" pageId="5" pageNumber="166">FIGURE 3.</emphasis>
|
||
Global map showing distribution of all Recent
|
||
<taxonomicName id="B3F94D7FFFA9FFF3FCE131EA15C17EFB" box="[786,919,705,728]" class="Rhynchonellata" family="Thecidellinidae" genus="Thecidellina" kingdom="Animalia" order="Thecideida" pageId="5" pageNumber="166" phylum="Brachiopoda" rank="genus">
|
||
<emphasis id="468DEAEEFFA9FFF3FCE131EA15C17EFB" box="[786,919,705,728]" italics="true" pageId="5" pageNumber="166">Thecidellina</emphasis>
|
||
</taxonomicName>
|
||
(x) and
|
||
<taxonomicName id="B3F94D7FFFA9FFF3FC1C31EA12017EFB" box="[1007,1111,705,728]" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="5" pageNumber="166" phylum="Brachiopoda" rank="genus">
|
||
<emphasis id="468DEAEEFFA9FFF3FC1C31EA12017EFB" box="[1007,1111,705,728]" italics="true" pageId="5" pageNumber="166">Minutella</emphasis>
|
||
</taxonomicName>
|
||
species (m).
|
||
<taxonomicName id="B3F94D7FFFA9FFF3FB1731EA13CA7EFB" box="[1252,1436,705,728]" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="5" pageNumber="166" phylum="Brachiopoda" rank="species" species="minuta">
|
||
<emphasis id="468DEAEEFFA9FFF3FB1731EA13CA7EFB" box="[1252,1436,705,728]" italics="true" pageId="5" pageNumber="166">Minutella minuta</emphasis>
|
||
</taxonomicName>
|
||
occurrences are as follows: m1= Samper Bank; m2 = Red Sea; m3 = Okinawa; m4 = Fiji; m5 = Lizard Island; m6 = New Caledonia; m7= Sulawesi; m8 = Palau; m9 = Saipan.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph id="744636FCFFA9FFF3FF34306A15E57811" blockId="5.[151,1436,833,1074]" pageId="5" pageNumber="166">
|
||
Although there are
|
||
<specimenCount id="62FFFD75FFA9FFF3FE573069146A7F79" box="[420,572,833,858]" pageId="5" pageNumber="166" type="generic">28 specimens</specimenCount>
|
||
of
|
||
<taxonomicName id="B3F94D7FFFA9FFF3FD973068148E7F79" box="[612,728,835,858]" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="5" pageNumber="166" phylum="Brachiopoda" rank="species" species="minuta">
|
||
<emphasis id="468DEAEEFFA9FFF3FD973068148E7F79" box="[612,728,835,858]" italics="true" pageId="5" pageNumber="166">M. minuta</emphasis>
|
||
</taxonomicName>
|
||
from Red Sea sediments they are all devoid of soft parts. The living sites have not been found, although it is presumed that they are from cryptic habitats in nearby reefal environments (Zuschin and Mayrhofer 2009), perhaps similar to those for
|
||
<taxonomicName id="B3F94D7FFFA9FFF3FC2B30A212FA7F81" box="[984,1196,905,930]" class="Rhynchonellata" family="Thecidellinidae" genus="Minutella" kingdom="Animalia" order="Thecideida" pageId="5" pageNumber="166" phylum="Brachiopoda" rank="species" species="bruntoni">
|
||
<emphasis id="468DEAEEFFA9FFF3FC2B30A212FA7F81" box="[984,1196,905,930]" italics="true" pageId="5" pageNumber="166">Minutella bruntoni</emphasis>
|
||
</taxonomicName>
|
||
from Grand
|
||
<collectingCountry id="0CEE766CFFA9FFF3FACC30A113CA7F81" box="[1343,1436,906,930]" name="Cayman Islands" pageId="5" pageNumber="166">Cayman</collectingCountry>
|
||
which, with
|
||
<taxonomicName id="B3F94D7FFFA9FFF3FED0308614C77FE5" authority="Davidson" authorityName="Davidson" box="[291,657,941,966]" class="Rhynchonellata" family="Thecidellinidae" genus="Thecidellina" kingdom="Animalia" order="Thecideida" pageId="5" pageNumber="166" phylum="Brachiopoda" rank="species" species="barretti">
|
||
<emphasis id="468DEAEEFFA9FFF3FED03086145D7FE5" box="[291,523,941,966]" italics="true" pageId="5" pageNumber="166">Thecidellina barretti</emphasis>
|
||
(Davidson)
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="B3F94D7FFFA9FFF3FD3B308612DF7FE5" authority="Davidson" authorityName="Davidson" box="[712,1161,941,966]" class="Rhynchonellata" family="Megathyrididae" genus="Argyrotheca" kingdom="Animalia" order="Terebratulida" pageId="5" pageNumber="166" phylum="Brachiopoda" rank="species" species="woodwardiana">
|
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<emphasis id="468DEAEEFFA9FFF3FD3B308612567FE5" box="[712,1024,941,966]" italics="true" pageId="5" pageNumber="166">Argyrotheca woodwardiana</emphasis>
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(Davidson)
|
||
</taxonomicName>
|
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, is common in low-light areas of reef caves (Logan 1983a). The Red Sea specimens often show abrasion or damage to the shell, suggesting post-mortem transportation from their living sites. The species has only been found at 2 localities (SM 9B and GZ 93/8) but its small size may have caused it to be overlooked elsewhere.
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</paragraph>
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</subSubSection>
|
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</treatment>
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</document> |