187 lines
21 KiB
XML
187 lines
21 KiB
XML
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<mods:title id="C16FC1E2663225FBEB3401948C82F0BE">New species in the sponge genus Tsitsikamma (Poecilosclerida, Latrunculiidae) from South Africa</mods:title>
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<mods:namePart id="44B0E9FB13D6A9CE81C93ABF9FEF74F8">Hilliar, Storm</mods:namePart>
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<mods:namePart id="6509AA57EC2A012D0CFF8DBF73BF3217">Dorrington, Rosemary</mods:namePart>
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<treatment id="4FF2F57E3D7C52C7802E6E9C07E8B25D" ID-GBIF-Taxon="159413160" LSID="urn:lsid:plazi:treatment:4FF2F57E3D7C52C7802E6E9C07E8B25D" httpUri="http://treatment.plazi.org/id/4FF2F57E3D7C52C7802E6E9C07E8B25D" lastPageId="3" lastPageNumber="104" pageId="2" pageNumber="103" scope_class="Demospongiae" scope_family="Latrunculiidae" scope_order="Poecilosclerida">
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<subSubSection id="EDE18E3A7E8E60DAC178F7825411D48F" pageId="2" pageNumber="103" type="nomenclature">
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<paragraph id="E0532651A33C9ED055DF469C27A0DC29" pageId="2" pageNumber="103">
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Genus
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<taxonomicName id="32B62BD43BE862B5E8F967CE0A654248" ID-CoL="84VH6" LSID="4FF2F57E3D7C52C7802E6E9C07E8B25D" authority="Samaai & Kelly, 2002" authorityName="Samaai & Kelly" authorityYear="2002" class="Demospongiae" family="Latrunculiidae" genus="Tsitsikamma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tsitsikamma" order="Poecilosclerida" pageId="2" pageNumber="103" phylum="Porifera" rank="genus">Tsitsikamma Samaai & Kelly, 2002</taxonomicName>
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</paragraph>
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</subSubSection>
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<subSubSection id="028B79ABCE582F791E365A7E159D9D9B" pageId="2" pageNumber="103" type="reference_group">
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<paragraph id="B04E1FA4A3D1403866DF540EFF379871" pageId="2" pageNumber="103">
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<taxonomicName id="840A8433314B9AA35098B19351A37781" class="Demospongiae" family="Latrunculiidae" genus="Tsitsikamma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tsitsikamma favus" order="Poecilosclerida" pageId="2" pageNumber="103" phylum="Porifera" rank="species" species="favus">Tsitsikamma favus</taxonomicName>
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Samaai & Kelly, 2002
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</paragraph>
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<paragraph id="052BEAD6E02236956BEA76DF79B9C00A" pageId="2" pageNumber="103">
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<taxonomicName id="03E5DEDD4D5F435EA9192E149AC9D98D" class="Demospongiae" family="Latrunculiidae" genus="Tsitsikamma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tsitsikamma pedunculata" order="Poecilosclerida" pageId="2" pageNumber="103" phylum="Porifera" rank="species" species="pedunculata">Tsitsikamma pedunculata</taxonomicName>
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Samaai, Gibbons, Kelly & Davies-Coleman, 2003
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</paragraph>
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<paragraph id="85A7E88F17830A04F69288A211352FCE" pageId="2" pageNumber="103">
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<taxonomicName id="51A4E955243736D257C409204AC5A23B" class="Demospongiae" family="Latrunculiidae" genus="Tsitsikamma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tsitsikamma scurra" order="Poecilosclerida" pageId="2" pageNumber="103" phylum="Porifera" rank="species" species="scurra">Tsitsikamma scurra</taxonomicName>
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Gibbons, Kelly & Davies-Coleman, 2003
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</paragraph>
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<paragraph id="4DB8315DCC229F4DAC6DAA76E7A32E3E" pageId="2" pageNumber="103">
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<taxonomicName id="0AADC22A9552389960EB666CA5835D6D" class="Demospongiae" family="Latrunculiidae" genus="Tsitsikamma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tsitsikamma michaeli" order="Poecilosclerida" pageId="2" pageNumber="103" phylum="Porifera" rank="species" species="michaeli">Tsitsikamma michaeli</taxonomicName>
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Parker-Nance, sp. nov.
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</paragraph>
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<paragraph id="B5F02630E171CC0F629AA93A7CE462DA" pageId="2" pageNumber="103">
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<taxonomicName id="E693C6AA7B8CCFBA0CA74154E1D60F62" class="Demospongiae" family="Latrunculiidae" genus="Tsitsikamma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tsitsikamma nguni" order="Poecilosclerida" pageId="2" pageNumber="103" phylum="Porifera" rank="species" species="nguni">Tsitsikamma nguni</taxonomicName>
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Parker-Nance, sp. nov.
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</paragraph>
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</subSubSection>
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<subSubSection id="D0A077379665FD72038C508BD29CF5F4" pageId="2" pageNumber="103" type="diagnosis">
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<paragraph id="EF81D40AF4995198FBDC5E1D2E93BCC6" pageId="2" pageNumber="103">Diagnosis.</paragraph>
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<paragraph id="31853B0F222C7B4C42EBFAF1E16B384C" pageId="2" pageNumber="103">
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Hemispherical, thick encrusting or pedunculate
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<taxonomicName id="BD6248385CD606ADB9D0AAE3769A5280" class="Demospongiae" family="Latrunculiidae" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="" order="Poecilosclerida" pageId="2" pageNumber="103" phylum="Porifera" rank="family">Latrunculiidae</taxonomicName>
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with a smooth, in some species generously folded, surface with cylindrical or volcano-shaped oscula and prominent areolate porefields. The ectosome is resident and leathery, the colour varies between species from pinkish to dark liver brown, dark turquoise or green in life. Megascleres are anisostyles with isochiadiscorhabd microscleres. The microscleres are present in an irregular palisade layer on the surface ectosome and line the internal tracts (from
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<bibRefCitation id="37A1C180ED7F4DE68A4704384CAA63C5" DOI="https://doi.org/10.1007/978-1-4615-0747-5_78" author="Samaai, T" editor="Hooper, JNA" journalOrPublisher="Zootaxa" pageId="17" pageNumber="118" refId="B19" refString="Samaai, T, Kelly, M, Hooper, JNA, van Soest, RWM, 2002. Guide to the Classification of Sponges. Kluwer Academic/Plenum Publishers, New York. https://doi.org/10.1007/978-1-4615-0747-5_78" title="Guide to the Classification of Sponges. Kluwer Academic / Plenum Publishers, New York" url="https://doi.org/10.1007/978-1-4615-0747-5_78" year="2002">Samaai and Kelly 2002</bibRefCitation>
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,
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<bibRefCitation id="024E889D71A12CD452724FC9639765F5" DOI="https://doi.org/10.11646/zootaxa.371.1.1" author="Samaai, T" journalOrPublisher="Zootaxa" pageId="17" pageNumber="118" pagination="1 - 26" refId="B15" refString="Samaai, T, Gibbons, MJ, Kelly, M, Davies-Coleman, M, 2003. South African Latrunculiidae (Porifera, Demospongiae, Poecilosclerida): descriptions of new species of Latrunculia du Bocage, Strongylodesma Levi, and Tsitsikamma Samaai & Kelly. Zootaxa 371: 1 - 26" title="South African Latrunculiidae (Porifera, Demospongiae, Poecilosclerida): descriptions of new species of Latrunculia du Bocage, Strongylodesma Levi, and Tsitsikamma Samaai & Kelly." url="https://doi.org/10.11646/zootaxa.371.1.1" volume="371" year="2003">Samaai et al. 2003</bibRefCitation>
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).
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="1729ADDB1119B393C9C2B7B28F8EE05D" pageId="2" pageNumber="103" type="type species">
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<paragraph id="8192D33B84F34791B7E6D22058ECD2E2" pageId="2" pageNumber="103">Type species.</paragraph>
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<paragraph id="8B8893697411DB98FD8701803E3FE61A" pageId="2" pageNumber="103">
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<taxonomicName id="4359032095123520374FD981297ED053" class="Demospongiae" family="Latrunculiidae" genus="Tsitsikamma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tsitsikamma favus" order="Poecilosclerida" pageId="2" pageNumber="103" phylum="Porifera" rank="species" species="favus">
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<emphasis id="2E3038DC23F19BCD0DB5F6F8B08CA0B1" italics="true" pageId="2" pageNumber="103">Tsitsikamma favus</emphasis>
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</taxonomicName>
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Samaai & Kelly, 2002
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</paragraph>
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||
</subSubSection>
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||
<subSubSection id="21096388D00D5DE69C11F05E329B4AB0" lastPageId="3" lastPageNumber="104" pageId="2" pageNumber="103" type="remarks">
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<paragraph id="451FEFAE7E78BCA1468A589C7D9DD28A" pageId="2" pageNumber="103">Remarks.</paragraph>
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<paragraph id="EDC1A4A7F52AFB00F691DC7CC83F4010" lastPageId="3" lastPageNumber="104" pageId="2" pageNumber="103">
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The diagnostic character that unites species of
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<taxonomicName id="1A989BF7404E4AD8B9243384270E7888" class="Demospongiae" family="Latrunculiidae" genus="Tsitsikamma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tsitsikamma" order="Poecilosclerida" pageId="2" pageNumber="103" phylum="Porifera" rank="genus">
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<emphasis id="4694199B51579FEBEFA7EBB9981E8904" italics="true" pageId="2" pageNumber="103">Tsitsikamma</emphasis>
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</taxonomicName>
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is the possession of isochiadiscorhabd microscleres. Isochiadiscorhabd or isochia(acantho)dis
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<pageBreakToken id="FD141B649D3CF337CFB771B61A1D3658" pageId="3" pageNumber="104" start="start">corhabds</pageBreakToken>
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have a short straight smooth shaft bearing an apex whorl and manubrium and when present median whorls. These whorls consist of singular or grouped conico-cylindrical tubercles, radiating from the shaft, with the distal end acanthose. These differ from microscleres present in other
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<taxonomicName id="06B3A2920AF3AB3D68882FD698A5478B" class="Demospongiae" family="Latrunculiidae" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="" order="Poecilosclerida" pageId="3" pageNumber="104" phylum="Porifera" rank="family">Latrunculiidae</taxonomicName>
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such as the acanthose isospinodiscorhabds with stout straight shaft, with similar terminal whorls and discrete conical spines unevenly distributed along it in
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<taxonomicName id="91225F57D2FD62243C59B16E48EFE217" class="Demospongiae" family="Latrunculiidae" genus="Cyclacanthia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyclacanthia" order="Poecilosclerida" pageId="3" pageNumber="104" phylum="Porifera" rank="genus">
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<emphasis id="2EA8CFAF2738FB1810AF705DA8093389" italics="true" pageId="3" pageNumber="104">Cyclacanthia</emphasis>
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</taxonomicName>
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; microscleres with disk-like whorls of spines that are different in shape and size, such as the anisodiscorhabds found in
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<taxonomicName id="3A0E2DC37EBBFF659CB1DB5DAE55F985" class="Demospongiae" family="Latrunculiidae" genus="Latrunculia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Latrunculia" order="Poecilosclerida" pageId="3" pageNumber="104" phylum="Porifera" rank="genus">
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<emphasis id="ED3348CFBEFCB88F2FE78F8E3C378EE7" italics="true" pageId="3" pageNumber="104">Latrunculia</emphasis>
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</taxonomicName>
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; or isoconicodiscorhabds or
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<normalizedToken id="A05D8A6900348C29CE89FB56B97ACFAB" originalValue="‘sceptres’">'sceptres'</normalizedToken>
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with stout straight shaft and undifferentiated terminal whorls found in
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<taxonomicName id="0C1E4E60FFA5D5B97EADC365917FE963" class="Demospongiae" family="Latrunculiidae" genus="Sceptrella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sceptrella" order="Poecilosclerida" pageId="3" pageNumber="104" phylum="Porifera" rank="genus">
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<emphasis id="2B81EDDDF174B5446FAE7307E2EA4963" italics="true" pageId="3" pageNumber="104">Sceptrella</emphasis>
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</taxonomicName>
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(
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<bibRefCitation id="6BB0980D50351AADFF02B78BC93D315E" DOI="https://doi.org/10.1007/978-1-4615-0747-5_78" author="Samaai, T" editor="Hooper, JNA" journalOrPublisher="Zootaxa" pageId="17" pageNumber="118" refId="B19" refString="Samaai, T, Kelly, M, Hooper, JNA, van Soest, RWM, 2002. Guide to the Classification of Sponges. Kluwer Academic/Plenum Publishers, New York. https://doi.org/10.1007/978-1-4615-0747-5_78" title="Guide to the Classification of Sponges. Kluwer Academic / Plenum Publishers, New York" url="https://doi.org/10.1007/978-1-4615-0747-5_78" year="2002">Samaai and Kelly 2002</bibRefCitation>
|
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, Samaai et al. 2006,
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<bibRefCitation id="31D99D5D1EE67EB8124D3CCB14E3ACF7" DOI="https://doi.org/10.11646/zootaxa.4121.1.1" author="Kelly, M" journalOrPublisher="Zootaxa" pageId="17" pageNumber="118" pagination="1 - 48" refId="B8" refString="Kelly, M, Sim-Smith, C, Stone, R, Samaai, T, Reiswig, H, Austin, W, 2016. New taxa arrangements within the family Latrunculiidae (Demospongiae, Poecilosclerida). Zootaxa 4121: 1 - 48" title="New taxa arrangements within the family Latrunculiidae (Demospongiae, Poecilosclerida)." url="https://doi.org/10.11646/zootaxa.4121.1.1" volume="4121" year="2016">Kelly et al. 2016</bibRefCitation>
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). The ontogeny of the microscleres further set the genera within this family apart, as the protorhabd projections develop simultaneously in
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<taxonomicName id="30DA7420AF291D450DCD447BE1871350" class="Demospongiae" family="Latrunculiidae" genus="Tsitsikamma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tsitsikamma" order="Poecilosclerida" pageId="3" pageNumber="104" phylum="Porifera" rank="genus">
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<emphasis id="27CF41C84D5CD3ED81EFCCE5FA041B44" italics="true" pageId="3" pageNumber="104">Tsitsikamma</emphasis>
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</taxonomicName>
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,
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<taxonomicName id="85605A23BD60F00525E2D186142AD0D7" class="Demospongiae" family="Latrunculiidae" genus="Cyclacanthia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyclacanthia" order="Poecilosclerida" pageId="3" pageNumber="104" phylum="Porifera" rank="genus">
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<emphasis id="5481C943271416C7AF19A656F9B27BDF" italics="true" pageId="3" pageNumber="104">Cyclacanthia</emphasis>
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</taxonomicName>
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, and
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<taxonomicName id="E24EC7EAEB57187990265E3514CD96EE" class="Demospongiae" family="Latrunculiidae" genus="Sceptrella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Sceptrella" order="Poecilosclerida" pageId="3" pageNumber="104" phylum="Porifera" rank="genus">
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<emphasis id="D6A650ABDBAEDBD696884A6D2892645D" italics="true" pageId="3" pageNumber="104">Sceptrella</emphasis>
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</taxonomicName>
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but not so in
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<taxonomicName id="37BE3D1256257821F48ECF78CD776C55" class="Demospongiae" family="Latrunculiidae" genus="Latrunculia" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Latrunculia" order="Poecilosclerida" pageId="3" pageNumber="104" phylum="Porifera" rank="genus">
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<emphasis id="675FD726F0FDD57FD37918D7225C4B5E" italics="true" pageId="3" pageNumber="104">Latrunculia</emphasis>
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</taxonomicName>
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(
|
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<bibRefCitation id="538C350C10CEDA7EFEEDDD0BCEACF21B" DOI="https://doi.org/10.1007/978-1-4615-0747-5_78" author="Samaai, T" editor="Hooper, JNA" journalOrPublisher="Zootaxa" pageId="17" pageNumber="118" refId="B19" refString="Samaai, T, Kelly, M, Hooper, JNA, van Soest, RWM, 2002. Guide to the Classification of Sponges. Kluwer Academic/Plenum Publishers, New York. https://doi.org/10.1007/978-1-4615-0747-5_78" title="Guide to the Classification of Sponges. Kluwer Academic / Plenum Publishers, New York" url="https://doi.org/10.1007/978-1-4615-0747-5_78" year="2002">Samaai and Kelly 2002</bibRefCitation>
|
||
,
|
||
<bibRefCitation id="C13661636C55B3FAC2E5F57CE222A974" DOI="https://doi.org/10.11646/zootaxa.725.1.1" author="Samaai, T" journalOrPublisher="Zootaxa" pageId="17" pageNumber="118" pagination="1 - 18" refId="B17" refString="Samaai, T, Govender, V, Kelly, M, 2004. Cyclacanthia n. g. (Demospongiae: Poecilosclerida: Latrunculiidaeincertea sedis), a new genus of marine sponges from South African waters, and description of two new species. Zootaxa 725: 1 - 18" title="Cyclacanthia n. g. (Demospongiae: Poecilosclerida: Latrunculiidaeincertea sedis), a new genus of marine sponges from South African waters, and description of two new species." url="https://doi.org/10.11646/zootaxa.725.1.1" volume="725" year="2004">Samaai et al. 2004</bibRefCitation>
|
||
).
|
||
</paragraph>
|
||
<paragraph id="99C48475589C7CAA665DCAF5A2C399DD" pageId="3" pageNumber="104">
|
||
Interestingly,
|
||
<taxonomicName id="B45720DF3667CF654988E26F189C9B33" class="Demospongiae" family="Latrunculiidae" genus="Tsitsikamma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tsitsikamma" order="Poecilosclerida" pageId="3" pageNumber="104" phylum="Porifera" rank="genus">
|
||
<emphasis id="6CBE7BC34C66C79F7B99AC1AFF6EF0D5" italics="true" pageId="3" pageNumber="104">Tsitsikamma</emphasis>
|
||
</taxonomicName>
|
||
species occur in two very different growth forms. In two of the species,
|
||
<taxonomicName id="B368C2EE9A37D3B7AE7EB8F971E49A99" lsidName="T. favus" pageId="3" pageNumber="104" rank="species" species="favus">
|
||
<emphasis id="46F03EB57D3750D1957258FFF27A6687" italics="true" pageId="3" pageNumber="104">T. favus</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName id="1914060F5C1ED7A03FBB9765A1B5E17F" lsidName="T. scurra" pageId="3" pageNumber="104" rank="species" species="scurra">
|
||
<emphasis id="408DF45395C73A3C46ABEF8B7B4D4336" italics="true" pageId="3" pageNumber="104">T. scurra</emphasis>
|
||
</taxonomicName>
|
||
, the interior of the sponge is partitioned by reinforced dense spiculose tracks through the delicate choanosome. The third species,
|
||
<taxonomicName id="F872909263A409A268F7D03671F7C10D" lsidName="T. pedunculata" pageId="3" pageNumber="104" rank="species" species="pedunculata">
|
||
<emphasis id="2F1D9C4FD1055284E30E186E6F77F6EA" italics="true" pageId="3" pageNumber="104">T. pedunculata</emphasis>
|
||
</taxonomicName>
|
||
, has a spicule dense stalk that supports a spherical pouch without the characteristic spicule tracts penetrating into the choanosome. The description of an additional two
|
||
<taxonomicName id="ED6587E1E4CBA587F5459151375FBE57" class="Demospongiae" family="Latrunculiidae" genus="Tsitsikamma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tsitsikamma" order="Poecilosclerida" pageId="3" pageNumber="104" phylum="Porifera" rank="genus">
|
||
<emphasis id="AF88330E04CB3DED2D93545CE895CE93" italics="true" pageId="3" pageNumber="104">Tsitsikamma</emphasis>
|
||
</taxonomicName>
|
||
species, presented in this work, support this separation further as one has internal tracts and the other is purse-shaped.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |