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<document id="3A209923ECA27CD6CADEE422CBE61BC4" ID-DOI="10.1080/00222930701391773" ID-ISSN="1464-5262" ID-Zenodo-Dep="5228835" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629484137894" checkinUser="felipe" docAuthor="Grischenko, Andrei V., Dick, Matthew H. &amp; Mawatari, Shunsuke F." docDate="2007" docId="877A7251CC1EDE6FFE6D24F9D3421F04" docLanguage="en" docName="JNatHist.41.17-20.1047-1161.pdf" docOrigin="Journal of Natural History 41 (17 - 20)" docSource="http://dx.doi.org/10.1080/00222930701391773" docStyle="DocumentStyle:7E99CF6C63B49250F2A87C3AEDC82D8C.2:JNatHist.2005-2007.journal_article.2cover" docStyleId="7E99CF6C63B49250F2A87C3AEDC82D8C" docStyleName="JNatHist.2005-2007.journal_article.2cover" docStyleVersion="2" docTitle="Microporella luellae Grischenko &amp; Dick &amp; Mawatari 2007, new species" docType="treatment" docVersion="3" lastPageNumber="1134" masterDocId="7B430A29CC49DE36FFD22450D0121C04" masterDocTitle="Diversity and taxonomy of intertidal Bryozoa (Cheilostomata) at Akkeshi Bay, Hokkaido, Japan" masterLastPageNumber="1161" masterPageNumber="1047" pageNumber="1132" updateTime="1699074625891" updateUser="plazi" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:title id="4CD4A7A67A697968F318BFA41A25AB78">Diversity and taxonomy of intertidal Bryozoa (Cheilostomata) at Akkeshi Bay, Hokkaido, Japan</mods:title>
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<mods:namePart id="8534AA7310EE120A28AA9C464B4BA261">Grischenko, Andrei V.</mods:namePart>
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<mods:namePart id="52D4EC69D7EA6C92220AE2A37014BF4A">Dick, Matthew H.</mods:namePart>
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<mods:namePart id="22EF015915B587C5E0EC977449C1B006">Mawatari, Shunsuke F.</mods:namePart>
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<mods:title id="C1B5AE87FAA0ACA19E290A3E311205DE">Journal of Natural History</mods:title>
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<mods:date id="2F154AB915E6F8334782EA80B16AC998">2007</mods:date>
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<paragraph id="0F6CC347CC1EDE61FE6D24F9D3411CC5" blockId="87.[437,860,137,225]" box="[447,851,169,193]" pageId="87" pageNumber="1132">
<heading id="5424742BCC1EDE61FE6D24F9D3411CC5" box="[447,851,169,193]" centered="true" fontSize="10" level="2" pageId="87" pageNumber="1132" reason="2">
<taxonomicName id="C8D3B8C4CC1EDE61FE6D24F9D2D01CC5" ID-CoL="4348H" authority="Grischenko &amp; Dick &amp; Mawatari, 2007" authorityName="Grischenko &amp; Dick &amp; Mawatari" authorityYear="2007" box="[447,706,169,193]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="87" pageNumber="1132" phylum="Bryozoa" rank="species" species="luellae" status="sp. nov.">
<emphasis id="3DA71F55CC1EDE61FE6D24F9D2D01CC5" bold="true" box="[447,706,169,193]" italics="true" pageId="87" pageNumber="1132">Microporella luellae</emphasis>
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<paragraph id="0F6CC347CC1EDE61FD9A2499D2D81CE5" blockId="87.[437,860,137,225]" box="[584,714,201,225]" pageId="87" pageNumber="1132">
(
<figureCitation id="97E8DFC2CC1EDE61FD822499D2D31CE5" box="[592,705,201,225]" captionStart="Figure 34" captionStartId="87.[125,185,1583,1602]" captionTargetBox="[125,1174,473,1548]" captionTargetId="figure-42@87.[125,1174,473,1548]" captionTargetPageId="87" captionText="Figure 34. Microporella luellae n. sp. (A, E) NHM 2006.2.27.94; (BD) NHM 2006.2.27.93; (F) NHM 2006.2.27.52. (A) Colony margin with developing zooids; (B) immature zooids; (C) distal half of immature zooid, showing orifice, ascopore, and avicularium; (D) mature zooids with radially ribbed ovicells; (E) heavily calcified mature zooids; (F) ancestrula and periancestrular zooids. Scale bars: 0.5 mm (A, B, DF); 0.2 mm (C)." figureDoi="http://doi.org/10.5281/zenodo.5228903" httpUri="https://zenodo.org/record/5228903/files/figure.png" pageId="87" pageNumber="1132">Figure 34</figureCitation>
)
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<paragraph id="0F6CC347CC1EDE61FFAF254AD0F41D36" blockId="87.[125,230,282,306]" box="[125,230,282,306]" pageId="87" pageNumber="1132">
<emphasis id="3DA71F55CC1EDE61FFAF254AD0F41D36" box="[125,230,282,306]" italics="true" pageId="87" pageNumber="1132">Diagnosis</emphasis>
</paragraph>
<paragraph id="0F6CC347CC1EDE6EFFAF251BD4261D06" blockId="87.[125,1173,331,420]" lastBlockId="88.[138,1185,137,258]" lastPageId="88" lastPageNumber="1133" pageId="87" pageNumber="1132">Frontal wall inflated, uniformly perforated with numerous small pores. Primary orifice rounded-semicircular, with straight proximal margin. Two widely separated oral spines. Single avicularium situated anywhere along lateral margin, mandible triangular, pointed distolaterally or laterally, cross-bar complete. Ascopore crescentic, with denticulate edge, located on elevated oval prominence, just distal to prominent conical umbo. Ovicell raised, hemispherical, imperforate centrally, often umbonate, with radial ribs and pores around base. Ancestrula tatiform with 12 spines, budding a pair of zooids distolaterally.</paragraph>
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<paragraph id="0F6CC347CC1EDE61FFAF227FD4541A96" blockId="87.[125,1173,1583,1682]" pageId="87" pageNumber="1132">
Figure 34.
<taxonomicName id="C8D3B8C4CC1EDE61FF3D227FD18F1A46" authority="Grischenko &amp; Dick &amp; Mawatari, 2007" authorityName="Grischenko &amp; Dick &amp; Mawatari" authorityYear="2007" box="[239,413,1583,1602]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="87" pageNumber="1132" phylum="Bryozoa" rank="species" species="luellae" status="sp. nov.">
<emphasis id="3DA71F55CC1EDE61FF3D227FD18F1A46" box="[239,413,1583,1602]" italics="true" pageId="87" pageNumber="1132">Microporella luellae</emphasis>
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<taxonomicNameLabel id="2694A22ECC1EDE61FE78227FD1F61A46" box="[426,484,1583,1602]" pageId="87" pageNumber="1132" rank="species">n. sp.</taxonomicNameLabel>
(A, E) NHM 2006.2.27.94; (BD) NHM 2006.2.27.93; (F) NHM 2006.2.27.52. (A) Colony margin with developing zooids; (B) immature zooids; (C) distal half of immature zooid, showing orifice, ascopore, and avicularium; (D) mature zooids with radially ribbed ovicells; (E) heavily calcified mature zooids; (F) ancestrula and periancestrular zooids. Scale bars: 0.5 mm (A, B, DF); 0.2 mm (C).
</paragraph>
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<emphasis id="3DA71F55CC11DE6EFF58256AD0E91D56" box="[138,251,314,338]" italics="true" pageId="88" pageNumber="1133">Etymology</emphasis>
</paragraph>
<paragraph id="0F6CC347CC11DE6EFF58253BD4B31D87" blockId="88.[138,1185,363,387]" box="[138,1185,363,387]" pageId="88" pageNumber="1133">
Named in honour of Luella Taranto, who greatly helped with collecting during
<date id="7B6DE587CC11DE6EFBF8253BD48F1D87" box="[1066,1181,363,387]" pageId="88" pageNumber="1133" value="2004-07">July 2004</date>
.
</paragraph>
<paragraph id="0F6CC347CC11DE6EFF5825ECD14A1DD0" blockId="88.[138,344,444,468]" box="[138,344,444,468]" pageId="88" pageNumber="1133">
<emphasis id="3DA71F55CC11DE6EFF5825ECD14A1DD0" box="[138,344,444,468]" italics="true" pageId="88" pageNumber="1133">Material examined</emphasis>
</paragraph>
<paragraph id="0F6CC347CC11DE6EFF5825BDD2E41E42" blockId="88.[138,1185,493,582]" pageId="88" pageNumber="1133">
<typeStatus id="D0687DE5CC11DE6EFF5825BDD0E81E01" box="[138,250,493,517]" pageId="88" pageNumber="1133" type="holotype">Holotype</typeStatus>
: DIN, four colony fragments (NHM 2006.2.27.93).
<typeStatus id="D0687DE5CC11DE6EFC8925BDD3DD1E01" box="[859,975,493,517]" pageId="88" pageNumber="1133" type="paratype">Paratypes</typeStatus>
: DIW, two colony fragments (NHM 2006.2.27.94); BAC, ancestrular colony on bivalve shell (NHM 2006.2.27.52). Additional material: 1065 specimens.
</paragraph>
<paragraph id="0F6CC347CC11DE6EFF58262FD1111E93" blockId="88.[138,259,639,663]" box="[138,259,639,663]" pageId="88" pageNumber="1133">
<emphasis id="3DA71F55CC11DE6EFF58262FD1111E93" box="[138,259,639,663]" italics="true" pageId="88" pageNumber="1133">Description</emphasis>
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Colony encrusting, unilaminar, coherent, irregularly circular, up to
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across; bright orange, pink, or beige in colour when alive. Zooids (
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) hexagonal, oval, or somewhat irregular in shape,
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long (0.57¡
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),
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wide (0.36¡
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), separated by deep groove and fine, meandering suture line. Frontal wall moderately to markedly convex, finely granulated, uniformly perforated from margin to margin with small, round pores, except in suboral area. Orifice (
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) broadly semicircular, with rounded proximolateral corners,
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long (0.10¡
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),
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wide (0.15¡
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), proximal margin straight. No condyles. Two widely separated, short, hollow oral spines along distolateral corners of orifice in immature zooids; some zooids have only one spine or lack them altogether. Ascopore (
<figureCitation id="97E8DFC2CC11DE6EFBC02783D48A1FEF" box="[1042,1176,979,1003]" captionStart="Figure 34" captionStartId="87.[125,185,1583,1602]" captionTargetBox="[125,1174,473,1548]" captionTargetId="figure-42@87.[125,1174,473,1548]" captionTargetPageId="87" captionText="Figure 34. Microporella luellae n. sp. (A, E) NHM 2006.2.27.94; (BD) NHM 2006.2.27.93; (F) NHM 2006.2.27.52. (A) Colony margin with developing zooids; (B) immature zooids; (C) distal half of immature zooid, showing orifice, ascopore, and avicularium; (D) mature zooids with radially ribbed ovicells; (E) heavily calcified mature zooids; (F) ancestrula and periancestrular zooids. Scale bars: 0.5 mm (A, B, DF); 0.2 mm (C)." figureDoi="http://doi.org/10.5281/zenodo.5228903" httpUri="https://zenodo.org/record/5228903/files/figure.png" pageId="88" pageNumber="1133">Figure 34C</figureCitation>
) crescentic, with a finely denticulate edge, not closed by connecting rays; close to proximal border of orifice, separated from it by a distance about equivalent to distance across short axis of ascopore; located on elevated oval prominence; proximal side of prominence developed into small, smooth, conical umbo. Zooids have a single avicularium (
<figureCitation id="97E8DFC2CC11DE6EFF402025D12B1889" box="[146,313,1141,1165]" captionStart="Figure 34" captionStartId="87.[125,185,1583,1602]" captionTargetBox="[125,1174,473,1548]" captionTargetId="figure-42@87.[125,1174,473,1548]" captionTargetPageId="87" captionText="Figure 34. Microporella luellae n. sp. (A, E) NHM 2006.2.27.94; (BD) NHM 2006.2.27.93; (F) NHM 2006.2.27.52. (A) Colony margin with developing zooids; (B) immature zooids; (C) distal half of immature zooid, showing orifice, ascopore, and avicularium; (D) mature zooids with radially ribbed ovicells; (E) heavily calcified mature zooids; (F) ancestrula and periancestrular zooids. Scale bars: 0.5 mm (A, B, DF); 0.2 mm (C)." figureDoi="http://doi.org/10.5281/zenodo.5228903" httpUri="https://zenodo.org/record/5228903/files/figure.png" pageId="88" pageNumber="1133">Figure 34AE</figureCitation>
), rarely a pair of them, and many zooids lack them altogether; avicularium lateral or proximolateral to ascopore, raised from frontal wall, directed laterally or distolaterally, end of rostrum with narrow channel, cross-bar complete; mandible sharp, elongate-triangular with setiform tip; avicularian chamber with smooth surface. Ovicell (
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) hemispherical, prominent,
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long (0.23¡
<quantity id="C82B6EA2CC11DE6EFC0E20A7D455190B" box="[988,1095,1271,1295]" metricMagnitude="-5" metricUnit="m" metricValue="1.0" pageId="88" pageNumber="1133" unit="mm" value="0.01">0.01 mm</quantity>
),
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wide (0.29¡
<quantity id="C82B6EA2CC11DE6EFE732147D21F192B" box="[417,525,1303,1327]" metricMagnitude="-5" metricUnit="m" metricValue="2.0" pageId="88" pageNumber="1133" unit="mm" value="0.02">0.02 mm</quantity>
), radially ribbed, finely granulated, often umbonate, imperforate except for outer margin; proximal margin with a smooth rim or upturned lip. Lateral wall of zooids with two or three distal and two distolateral basal pore chambers. Ancestrula (
<figureCitation id="97E8DFC2CC11DE6EFEC42129D18B1995" box="[278,409,1401,1425]" captionStart="Figure 34" captionStartId="87.[125,185,1583,1602]" captionTargetBox="[125,1174,473,1548]" captionTargetId="figure-42@87.[125,1174,473,1548]" captionTargetPageId="87" captionText="Figure 34. Microporella luellae n. sp. (A, E) NHM 2006.2.27.94; (BD) NHM 2006.2.27.93; (F) NHM 2006.2.27.52. (A) Colony margin with developing zooids; (B) immature zooids; (C) distal half of immature zooid, showing orifice, ascopore, and avicularium; (D) mature zooids with radially ribbed ovicells; (E) heavily calcified mature zooids; (F) ancestrula and periancestrular zooids. Scale bars: 0.5 mm (A, B, DF); 0.2 mm (C)." figureDoi="http://doi.org/10.5281/zenodo.5228903" httpUri="https://zenodo.org/record/5228903/files/figure.png" pageId="88" pageNumber="1133">Figure 34F</figureCitation>
) tatiform, elongate-oval,
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long,
<quantity id="C82B6EA2CC11DE6EFCA02129D3CA1995" box="[882,984,1401,1425]" metricMagnitude="-4" metricUnit="m" metricValue="2.3" pageId="88" pageNumber="1133" unit="mm" value="0.23">0.23 mm</quantity>
wide, with large, elliptical opesia,
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long,
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wide, surrounded by 12 spines; ancestrula buds two zooids distolaterally. Periancestrular zooids with six or seven long, tubular oral spines.
</paragraph>
<paragraph id="0F6CC347CC11DE6EFF58225AD0FB1A26" blockId="88.[138,233,1546,1570]" box="[138,233,1546,1570]" pageId="88" pageNumber="1133">
<emphasis id="3DA71F55CC11DE6EFF58225AD0FB1A26" box="[138,233,1546,1570]" italics="true" pageId="88" pageNumber="1133">Remarks</emphasis>
</paragraph>
<paragraph id="0F6CC347CC11DE6FFF58226BD4361D24" blockId="88.[138,1185,1595,1684]" lastBlockId="89.[125,1173,136,639]" lastPageId="89" lastPageNumber="1134" pageId="88" pageNumber="1133">
The genus
<taxonomicName id="C8D3B8C4CC11DE6EFEDD226BD1841A57" authorityName="Hincks" authorityYear="1877" box="[271,406,1595,1619]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="88" pageNumber="1133" phylum="Bryozoa" rank="genus">
<emphasis id="3DA71F55CC11DE6EFEDD226BD1841A57" box="[271,406,1595,1619]" italics="true" pageId="88" pageNumber="1133">Microporella</emphasis>
</taxonomicName>
has been well studied around
<collectingRegion id="CD170DA5CC11DE6EFCD3226BD3611A57" box="[769,883,1595,1619]" country="Japan" name="Hokkaido" pageId="88" pageNumber="1133">Hokkaido</collectingRegion>
(
<bibRefCitation id="6B42BEB6CC11DE6EFC56226BD0C51A77" author="Mawatari S &amp; Mawatari SF" pageId="88" pageNumber="1133" pagination="41 - 58" refId="ref55809" refString="Mawatari S, Mawatari SF. 1981 b. A preliminary list of cheilostomatous bryozoans collected along the coast of Hokkaido. Proceedings of the Japanese Society of Systematic Zoology 21: 41 - 58." type="journal article" year="1981">Mawatari and Mawatari 1981b</bibRefCitation>
;
<bibRefCitation id="6B42BEB6CC11DE6EFF35220BD1F41A77" author="Mawatari SF &amp; Kaneko N &amp; Gordon DP" box="[231,486,1627,1651]" pageId="88" pageNumber="1133" pagination="61 - 66" refId="ref55985" refString="Mawatari SF, Kaneko N, Gordon DP. 1991. Redescription of Microporella echinata Androsova, 1958 (Bryozoa: Cheilostomata) from Hokkaido, with special reference to its astogeny. Memoirs of the National Science Museum, Tokyo 24: 61 - 66." type="journal article" year="1991">Mawatari et al. 1991</bibRefCitation>
), including a recent revision incorporating new taxonomic characters (
<bibRefCitation id="6B42BEB6CC11DE6EFEC3222CD25A1A90" author="Suwa T &amp; Mawatari SF" box="[273,584,1660,1684]" pageId="88" pageNumber="1133" pagination="895 - 922" refId="ref57903" refString="Suwa T, Mawatari SF. 1998. Revision of seven species of Microporella (Bryozoa, Cheilostomatida) from Hokkaido, Japan, using new taxonomic characters. Journal of Natural History 32: 895 - 922." type="journal article" year="1998">Suwa and Mawatari 1998</bibRefCitation>
). Eight species have previously been reported from
<collectingRegion id="CD170DA5CC10DE6FFFAF24D8D0E11CA4" box="[125,243,136,160]" country="Japan" name="Hokkaido" pageId="89" pageNumber="1134">Hokkaido</collectingRegion>
:
<taxonomicName id="C8D3B8C4CC10DE6FFF2C24D9D2251CA4" authority="Harmer, 1957" authorityName="Harmer" authorityYear="1957" box="[254,567,136,160]" class="Gymnolaemata" family="Fenestrulinidae" genus="Fenestrulina" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="orientalis">
<emphasis id="3DA71F55CC10DE6FFF2C24D9D19A1CA4" box="[254,392,136,160]" italics="true" pageId="89" pageNumber="1134">M. orientalis</emphasis>
<bibRefCitation id="6B42BEB6CC10DE6FFE4224D8D2251CA4" author="Harmer SF" box="[400,567,136,160]" pageId="89" pageNumber="1134" pagination="641 - 1147" refId="ref53537" refString="Harmer SF. 1957. The Polyzoa of the Siboga Expedition, part 4. Cheilostomata Ascophora 2. Siboga Expedition 28 d: i - xv, 641 - 1147, Plates 42 - 74." type="journal article" year="1957">Harmer, 1957</bibRefCitation>
</taxonomicName>
;
<taxonomicName id="C8D3B8C4CC10DE6FFD9124D9D38A1CA4" authority="Androsova, 1958" authorityName="Androsova" authorityYear="1958" box="[579,920,136,160]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="echinata">
<emphasis id="3DA71F55CC10DE6FFD9124D9D2D51CA4" box="[579,711,136,160]" italics="true" pageId="89" pageNumber="1134">M. echinata</emphasis>
<bibRefCitation id="6B42BEB6CC10DE6FFD1D24D8D38A1CA4" author="Androsova EI" box="[719,920,136,160]" pageId="89" pageNumber="1134" pagination="90 - 204" refId="ref50976" refString="Androsova EI. 1958. Bryozoa of the order Cheilostomata of the northern part of the Sea of Japan. Issledovaniya Dal'nevostochnih Morei SSSR 5: 90 - 204. (Rus)." type="journal article" year="1958">Androsova, 1958</bibRefCitation>
</taxonomicName>
;
<taxonomicName id="C8D3B8C4CC10DE6FFC7624D9D1281CC4" authority="Dick and Ross, 1988" authorityName="Dick and Ross" authorityYear="1988" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="neocribroides">
<emphasis id="3DA71F55CC10DE6FFC7624D9D4471CA4" box="[932,1109,136,160]" italics="true" pageId="89" pageNumber="1134">M. neocribroides</emphasis>
<bibRefCitation id="6B42BEB6CC10DE6FFB8E24D8D1281CC4" author="Dick MH &amp; Ross JRP" pageId="89" pageNumber="1134" refId="ref52032" refString="Dick MH, Ross JRP. 1988. Intertidal Bryozoa (Cheilostomata) of the Kodiak vicinity, Alaska. Bellingham: Western Washington University. 133 p. (Centre for Pacific Northwest Studies occasional paper; 23)." type="book" year="1988">Dick and Ross, 1988</bibRefCitation>
</taxonomicName>
;
<taxonomicName id="C8D3B8C4CC10DE6FFE9A24F9D31F1CC4" authority="Suwa and Mawatari, 1998" authorityName="Suwa and Mawatari" authorityYear="1998" box="[328,781,168,192]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="borealis">
<emphasis id="3DA71F55CC10DE6FFE9A24F9D1D71CC4" box="[328,453,168,192]" italics="true" pageId="89" pageNumber="1134">M. borealis</emphasis>
<bibRefCitation id="6B42BEB6CC10DE6FFE0224F8D31F1CC4" author="Suwa T &amp; Mawatari SF" box="[464,781,168,192]" pageId="89" pageNumber="1134" pagination="895 - 922" refId="ref57903" refString="Suwa T, Mawatari SF. 1998. Revision of seven species of Microporella (Bryozoa, Cheilostomatida) from Hokkaido, Japan, using new taxonomic characters. Journal of Natural History 32: 895 - 922." type="journal article" year="1998">Suwa and Mawatari, 1998</bibRefCitation>
</taxonomicName>
;
<taxonomicName id="C8D3B8C4CC10DE6FFCCE24F9D0A91CE4" authority="Suwa and Mawatari, 1998" authorityName="Suwa and Mawatari" authorityYear="1998" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="elegans">
<emphasis id="3DA71F55CC10DE6FFCCE24F9D3871CC4" box="[796,917,168,192]" italics="true" pageId="89" pageNumber="1134">M. elegans</emphasis>
<bibRefCitation id="6B42BEB6CC10DE6FFC4D24F8D0A91CE4" author="Suwa T &amp; Mawatari SF" pageId="89" pageNumber="1134" pagination="895 - 922" refId="ref57903" refString="Suwa T, Mawatari SF. 1998. Revision of seven species of Microporella (Bryozoa, Cheilostomatida) from Hokkaido, Japan, using new taxonomic characters. Journal of Natural History 32: 895 - 922." type="journal article" year="1998">Suwa and Mawatari, 1998</bibRefCitation>
</taxonomicName>
;
<taxonomicName id="C8D3B8C4CC10DE6FFF1B2499D29F1CE4" authority="Suwa and Mawatari, 1998" authorityName="Suwa and Mawatari" authorityYear="1998" box="[201,653,200,224]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="formosa">
<emphasis id="3DA71F55CC10DE6FFF1B2499D15B1CE4" box="[201,329,200,224]" italics="true" pageId="89" pageNumber="1134">M. formosa</emphasis>
<bibRefCitation id="6B42BEB6CC10DE6FFE802498D29F1CE4" author="Suwa T &amp; Mawatari SF" box="[338,653,200,224]" pageId="89" pageNumber="1134" pagination="895 - 922" refId="ref57903" refString="Suwa T, Mawatari SF. 1998. Revision of seven species of Microporella (Bryozoa, Cheilostomatida) from Hokkaido, Japan, using new taxonomic characters. Journal of Natural History 32: 895 - 922." type="journal article" year="1998">Suwa and Mawatari, 1998</bibRefCitation>
</taxonomicName>
;
<taxonomicName id="C8D3B8C4CC10DE6FFD492499D4491CE4" authority="Suwa and Mawatari, 1998" authorityName="Suwa and Mawatari" authorityYear="1998" box="[667,1115,200,224]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="pulchra">
<emphasis id="3DA71F55CC10DE6FFD492499D3051CE4" box="[667,791,200,224]" italics="true" pageId="89" pageNumber="1134">M. pulchra</emphasis>
<bibRefCitation id="6B42BEB6CC10DE6FFCF22498D4491CE4" author="Suwa T &amp; Mawatari SF" box="[800,1115,200,224]" pageId="89" pageNumber="1134" pagination="895 - 922" refId="ref57903" refString="Suwa T, Mawatari SF. 1998. Revision of seven species of Microporella (Bryozoa, Cheilostomatida) from Hokkaido, Japan, using new taxonomic characters. Journal of Natural History 32: 895 - 922." type="journal article" year="1998">Suwa and Mawatari, 1998</bibRefCitation>
</taxonomicName>
; and
<taxonomicName id="C8D3B8C4CC10DE6FFFAF24B9D24B1D04" authority="Suwa and Mawatari, 1998" authorityName="Suwa and Mawatari" authorityYear="1998" box="[125,601,232,256]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="trigonellata">
<emphasis id="3DA71F55CC10DE6FFFAF24B9D10C1D04" box="[125,286,232,256]" italics="true" pageId="89" pageNumber="1134">M. trigonellata</emphasis>
<bibRefCitation id="6B42BEB6CC10DE6FFEF424B8D24B1D04" author="Suwa T &amp; Mawatari SF" box="[294,601,232,256]" pageId="89" pageNumber="1134" pagination="895 - 922" refId="ref57903" refString="Suwa T, Mawatari SF. 1998. Revision of seven species of Microporella (Bryozoa, Cheilostomatida) from Hokkaido, Japan, using new taxonomic characters. Journal of Natural History 32: 895 - 922." type="journal article" year="1998">Suwa and Mawatari, 1998</bibRefCitation>
</taxonomicName>
. It is surprising that previous investigators did not detect
<taxonomicName id="C8D3B8C4CC10DE6FFF1F2559D12E1D24" authorityName="Grischenko &amp; Dick &amp; Mawatari" authorityYear="2007" box="[205,316,264,288]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="luellae">
<emphasis id="3DA71F55CC10DE6FFF1F2559D12E1D24" box="[205,316,264,288]" italics="true" pageId="89" pageNumber="1134">M. luellae</emphasis>
</taxonomicName>
, which we found to be exceptionally abundant in Akkeshi Bay.
</paragraph>
</subSubSection>
<subSubSection id="47C990CCCC10DE6FFF4A2578D3031E7B" pageId="89" pageNumber="1134" type="reference_group">
<paragraph id="0F6CC347CC10DE6FFF4A2578D3031E7B" blockId="89.[125,1173,136,639]" pageId="89" pageNumber="1134">
<taxonomicName id="C8D3B8C4CC10DE6FFF4A2578D1791D44" ID-CoL="4348H" authorityName="Grischenko &amp; Dick &amp; Mawatari" authorityYear="2007" box="[152,363,296,320]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="luellae">
<emphasis id="3DA71F55CC10DE6FFF4A2578D1791D44" box="[152,363,296,320]" italics="true" pageId="89" pageNumber="1134">Microporella luellae</emphasis>
</taxonomicName>
is similar in many characters to
<taxonomicName id="C8D3B8C4CC10DE6FFD332579D4821D44" ID-CoL="4348S" authority="Dick and Ross, 1988" authorityName="Dick and Ross" authorityYear="1988" box="[737,1168,296,320]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="neocribroides">
<emphasis id="3DA71F55CC10DE6FFD332579D3811D44" box="[737,915,296,320]" italics="true" pageId="89" pageNumber="1134">M. neocribroides</emphasis>
<bibRefCitation id="6B42BEB6CC10DE6FFC482578D4821D44" author="Dick MH &amp; Ross JRP" box="[922,1168,296,320]" pageId="89" pageNumber="1134" refId="ref52032" refString="Dick MH, Ross JRP. 1988. Intertidal Bryozoa (Cheilostomata) of the Kodiak vicinity, Alaska. Bellingham: Western Washington University. 133 p. (Centre for Pacific Northwest Studies occasional paper; 23)." type="book" year="1988">Dick and Ross, 1988</bibRefCitation>
</taxonomicName>
, previously reported intertidally from Densin-Hama, Muroran, southern Hokakido. The two widely separated oral spines distinguish
<taxonomicName id="C8D3B8C4CC10DE6FFD5A2539D2EA1D84" ID-CoL="4348H" authorityName="Grischenko &amp; Dick &amp; Mawatari" authorityYear="2007" box="[648,760,360,384]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="luellae">
<emphasis id="3DA71F55CC10DE6FFD5A2539D2EA1D84" box="[648,760,360,384]" italics="true" pageId="89" pageNumber="1134">M. luellae</emphasis>
</taxonomicName>
and
<taxonomicName id="C8D3B8C4CC10DE6FFCE72539D3FB1D84" ID-CoL="4348S" authorityName="Dick and Ross" authorityYear="1988" box="[821,1001,360,384]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="neocribroides">
<emphasis id="3DA71F55CC10DE6FFCE72539D3FB1D84" box="[821,1001,360,384]" italics="true" pageId="89" pageNumber="1134">M. neocribroides</emphasis>
</taxonomicName>
from all other congeners reported around
<collectingRegion id="CD170DA5CC10DE6FFE0225D8D2541DA4" box="[464,582,392,416]" country="Japan" name="Hokkaido" pageId="89" pageNumber="1134">Hokkaido</collectingRegion>
. However, in
<taxonomicName id="C8D3B8C4CC10DE6FFD2825D9D37C1DA4" ID-CoL="4348H" authorityName="Grischenko &amp; Dick &amp; Mawatari" authorityYear="2007" box="[762,878,392,416]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="luellae">
<emphasis id="3DA71F55CC10DE6FFD2825D9D37C1DA4" box="[762,878,392,416]" italics="true" pageId="89" pageNumber="1134">M. luellae</emphasis>
</taxonomicName>
, the ascopore is always crescentic, with a denticulate edge, and is located on an elevated oval prominence. Except for developing and heavily calcified zooids, the proximal side of this prominence is developed into a small, conical umbo. In
<taxonomicName id="C8D3B8C4CC10DE6FFD5225B8D3251E04" ID-CoL="4348S" authorityName="Dick and Ross" authorityYear="1988" box="[640,823,488,512]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="neocribroides">
<emphasis id="3DA71F55CC10DE6FFD5225B8D3251E04" box="[640,823,488,512]" italics="true" pageId="89" pageNumber="1134">M. neocribroides</emphasis>
</taxonomicName>
, the ascopore is transversely elliptical and covered with a cribriform plate with 1020 round pores (
<bibRefCitation id="6B42BEB6CC10DE6FFC782657D0A91E3B" author="Suwa T &amp; Mawatari SF" pageId="89" pageNumber="1134" pagination="895 - 922" refId="ref57903" refString="Suwa T, Mawatari SF. 1998. Revision of seven species of Microporella (Bryozoa, Cheilostomatida) from Hokkaido, Japan, using new taxonomic characters. Journal of Natural History 32: 895 - 922." type="journal article" year="1998">Suwa and Mawatari 1998</bibRefCitation>
, p 899,
<figureCitation id="97E8DFC2CC10DE6FFEC52677D16B1E3B" box="[279,377,551,575]" captionStart="Figure 2" captionStartId="12.[138,198,1453,1472]" captionTargetBox="[246,1076,136,1414]" captionTargetId="figure-44@12.[246,1076,133,1417]" captionTargetPageId="12" captionText="Figure 2. Dendrogram (below) showing similarity of sampling localities based on species presence/absence, and a map (above) showing the geographical distribution of three groups of sampling localities (circled) that are less than 70% similar in species composition between groups." figureDoi="http://doi.org/10.5281/zenodo.5228839" httpUri="https://zenodo.org/record/5228839/files/figure.png" pageId="89" pageNumber="1134">Figure 2</figureCitation>
;
<bibRefCitation id="6B42BEB6CC10DE6FFE542677D2571E3B" author="Dick MH &amp; Grischenko AV &amp; Mawatari SF" box="[390,581,551,575]" pageId="89" pageNumber="1134" pagination="3687 - 3784" refId="ref51869" refString="Dick MH, Grischenko AV, Mawatari SF. 2005. Intertidal Bryozoa (Cheilostomata) of Ketchikan, Alaska. Journal of Natural History 39 (43): 3687 - 3784." type="journal article" year="2005">Dick et al. 2005</bibRefCitation>
, p 3753,
<figureCitation id="97E8DFC2CC10DE6FFD622677D3251E3B" box="[688,823,551,575]" captionStart="Figure 19" captionStartId="53.[125,186,1243,1262]" captionTargetBox="[125,1174,133,1208]" captionTargetId="figure-107@53.[125,1174,133,1208]" captionTargetPageId="53" captionText="Figure 19. Celleporella hyalina (L., 1767) species complex. (A, CE) NHM 2006.2.27.57; (B) NHM 2006.2.27.55; (F) NHM 2006.2.27.54. (A) Colony margin with developing zooids; (B) autozooids in primary layer; (C, D) autozooids in primary layer (large orifices), frontally budded male zooids (small orifices), and frontally budded ovicellate zooids; (E) central colony region with predominance of ovicellate zooids; (F) ancestrula and periancestrular zooids with spiral budding pattern. Scale bars: 0.5 mm (AC, F); 0.4 mm (D, E)." figureDoi="http://doi.org/10.5281/zenodo.5228873" httpUri="https://zenodo.org/record/5228873/files/figure.png" pageId="89" pageNumber="1134">Figure 19D</figureCitation>
); only occasionally is there an umbonate process proximal to the ascopore. Another difference is that the ovicell is often umbonate in
<taxonomicName id="C8D3B8C4CC10DE6FFEC92638D1981E7B" ID-CoL="4348H" authorityName="Grischenko &amp; Dick &amp; Mawatari" authorityYear="2007" box="[283,394,615,639]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="luellae">
<emphasis id="3DA71F55CC10DE6FFEC92638D1981E7B" box="[283,394,615,639]" italics="true" pageId="89" pageNumber="1134">M. luellae</emphasis>
</taxonomicName>
, but rarely so in
<taxonomicName id="C8D3B8C4CC10DE6FFD872638D31A1E7B" ID-CoL="4348S" authorityName="Dick and Ross" authorityYear="1988" box="[597,776,615,639]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="neocribroides">
<emphasis id="3DA71F55CC10DE6FFD872638D31A1E7B" box="[597,776,615,639]" italics="true" pageId="89" pageNumber="1134">M. neocribroides</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
<subSubSection id="47C990CCCC10DE6FFFAF26E7D3421F04" box="[125,848,695,768]" pageId="89" pageNumber="1134" type="distribution">
<paragraph id="0F6CC347CC10DE6FFFAF26E7D0EF1ECB" blockId="89.[125,253,695,719]" box="[125,253,695,719]" pageId="89" pageNumber="1134">
<emphasis id="3DA71F55CC10DE6FFFAF26E7D0EF1ECB" box="[125,253,695,719]" italics="true" pageId="89" pageNumber="1134">Distribution</emphasis>
</paragraph>
<paragraph id="0F6CC347CC10DE6FFFAF26B8D3421F04" blockId="89.[125,848,744,768]" box="[125,848,744,768]" pageId="89" pageNumber="1134">
<taxonomicName id="C8D3B8C4CC10DE6FFFAF26B8D1401F04" authorityName="Grischenko &amp; Dick &amp; Mawatari" authorityYear="2007" box="[125,338,744,768]" class="Gymnolaemata" family="Microporellidae" genus="Microporella" kingdom="Animalia" order="Cheilostomatida" pageId="89" pageNumber="1134" phylum="Bryozoa" rank="species" species="luellae">
<emphasis id="3DA71F55CC10DE6FFFAF26B8D1401F04" box="[125,338,744,768]" italics="true" pageId="89" pageNumber="1134">Microporella luellae</emphasis>
</taxonomicName>
is presently known only from Akkeshi Bay.
</paragraph>
</subSubSection>
</treatment>
</document>