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<document id="2821B858B3860BBA1D41F0F40010C5DC" ID-DOI="10.11646/zootaxa.3999.1.8" ID-GBIF-Dataset="8dfbe5da-65c8-4cda-a95a-4fe2ab50354f" ID-ISSN="1175-5326" ID-Zenodo-Dep="237330" ID-ZooBank="2E2A85AC-25DF-4619-AD84-FF1D6EE6844E" IM.metadata_approvedBy="felipe" IM.taxonomicNames_approvedBy="felipe" checkinTime="1461280291127" checkinUser="plazi" docAuthor="Ramalho, Laís V., Távora, Vladimir A., Tilbrook, Kevin J. &amp; Zágoršek, Kamil" docDate="2015" docId="292BD20FE161FFDBDBA03EF1FB82FC93" docLanguage="en" docName="zt03999p134.pdf" docOrigin="Zootaxa 3999 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Hippopleurifera barbosae Ramalho, Távora, Tilbrook &amp; Zágoršek, 2015, sp. nov." docType="treatment" docVersion="7" lastPageNumber="130" masterDocId="D512AA77E162FFDEDB373D33FFBBFF86" masterDocTitle="New species of Hippopleurifera (Bryozoa, Cheilostomata) from the Miocene Pirabas Formation, Pará state, Brazil" masterLastPageNumber="134" masterPageNumber="125" pageNumber="128" updateTime="1698613807543" updateUser="plazi">
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<mods:title id="A0CE29C1A5B9B101F52BBDF101E6C92B">New species of Hippopleurifera (Bryozoa, Cheilostomata) from the Miocene Pirabas Formation, Pará state, Brazil</mods:title>
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<mods:namePart id="323B6DC77E1EE5F877958FD1F952D247">Ramalho, Laís V.</mods:namePart>
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<mods:namePart id="0A11857577C348020BC349E723669A32">Távora, Vladimir A.</mods:namePart>
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<mods:namePart id="F34A88CB6F307CA8771021C4CD6EB82A">Tilbrook, Kevin J.</mods:namePart>
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<mods:namePart id="4795C2F17C82217F445C09DE13CCA902">Zágoršek, Kamil</mods:namePart>
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<mods:date id="5542B3A08D1D562D645A7E1F7F92D74C">2015</mods:date>
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<treatment id="292BD20FE161FFDBDBA03EF1FB82FC93" ID-DOI="http://doi.org/10.5281/zenodo.6122728" ID-GBIF-Taxon="119640365" ID-Zenodo-Dep="6122728" LSID="urn:lsid:plazi:treatment:292BD20FE161FFDBDBA03EF1FB82FC93" httpUri="http://treatment.plazi.org/id/292BD20FE161FFDBDBA03EF1FB82FC93" lastPageId="5" lastPageNumber="130" pageId="3" pageNumber="128">
<subSubSection id="E9983092E161FFDDDBA03EF1FE9AFC78" pageId="3" pageNumber="128" type="nomenclature">
<paragraph id="A13D6319E161FFDDDBA03EF1FD88FC5A" blockId="3.[151,563,962,1022]" box="[151,563,962,988]" pageId="3" pageNumber="128">
<heading id="FA75D475E161FFDDDBA03EF1FD88FC5A" bold="true" box="[151,563,962,988]" fontSize="11" level="1" pageId="3" pageNumber="128" reason="1">
<emphasis id="93F6BF0BE161FFDDDBA03EF1FD88FC5A" bold="true" box="[151,563,962,988]" pageId="3" pageNumber="128">
<taxonomicName id="6682189AE161FFDDDBA03EF1FE74FC5A" ID-CoL="86KMK" box="[151,463,962,988]" class="Gymnolaemata" family="Romancheinidae" genus="Hippopleurifera" kingdom="Animalia" order="Cheilostomatida" pageId="3" pageNumber="128" phylum="Bryozoa" rank="species" species="barbosae" status="sp. nov.">
<emphasis id="93F6BF0BE161FFDDDBA03EF1FE74FC5A" bold="true" box="[151,463,962,988]" italics="true" pageId="3" pageNumber="128">Hippopleurifera barbosae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="88C50270E161FFDDDAE13EF1FD88FC5A" box="[470,563,962,988]" pageId="3" pageNumber="128" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="A13D6319E161FFDDDBA03ED6FE9AFC78" blockId="3.[151,563,962,1022]" box="[151,289,997,1022]" pageId="3" pageNumber="128">
(
<figureCitation id="39B97F9CE161FFDDDBA83ED6FF5FFC78" box="[159,228,997,1022]" captionStart="FIGURE 2" captionStartId="4.[151,250,1801,1823]" captionTargetBox="[158,1436,193,1776]" captionTargetId="figure@4.[158,1443,193,1776]" captionTargetPageId="4" captionText="FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG 6301 I a; B, MG 6301 I b; C, MG 6301 I d; D: MG 6301 I c; E: MG 6301 I e; F: MG 6301 I f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm." httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="3" pageNumber="128">Figs 2</figureCitation>
AF)
</paragraph>
</subSubSection>
<subSubSection id="E9983092E161FFDDDBA0391EFDDDFBEC" pageId="3" pageNumber="128" type="materials_examined">
<paragraph id="A13D6319E161FFDDDBA0391EFDDDFBEC" blockId="3.[151,1436,1069,1958]" pageId="3" pageNumber="128">
<emphasis id="93F6BF0BE161FFDDDBA0391EFE3FFBC0" bold="true" box="[151,388,1069,1094]" pageId="3" pageNumber="128">Material examined.</emphasis>
<emphasis id="93F6BF0BE161FFDDDAB8391EFE4DFBC3" box="[399,502,1069,1093]" italics="true" pageId="3" pageNumber="128">
<typeStatus id="7E39DDBBE161FFDDDAB8391EFE4DFBC3" box="[399,502,1069,1093]" pageId="3" pageNumber="128" type="holotype">Holotype</typeStatus>
</emphasis>
: MG6301Ia, Atalaia Beach, Salinópolis, Pará state,
<collectingCountry id="D9952389E161FFDDDFB1391EFB75FBC0" box="[1158,1230,1069,1094]" name="Brazil" pageId="3" pageNumber="128">Brazil</collectingCountry>
.
<emphasis id="93F6BF0BE161FFDDDFEB391DFAF6FBC3" box="[1244,1357,1070,1093]" italics="true" pageId="3" pageNumber="128">
<typeStatus id="7E39DDBBE161FFDDDFEB391DFAF6FBC3" box="[1244,1357,1070,1093]" pageId="3" pageNumber="128" type="paratype">Paratypes</typeStatus>
</emphasis>
: MG 6301Ib to n, same locality as
<typeStatus id="7E39DDBBE161FFDDDACB3962FDD9FBEC" box="[508,610,1105,1130]" pageId="3" pageNumber="128" type="holotype">holotype</typeStatus>
.
</paragraph>
</subSubSection>
<subSubSection id="E9983092E161FFDDDBF03946FBBAFB7C" pageId="3" pageNumber="128" type="diagnosis">
<paragraph id="A13D6319E161FFDDDBF03946FBBAFB7C" blockId="3.[151,1436,1069,1958]" pageId="3" pageNumber="128">
<emphasis id="93F6BF0BE161FFDDDBF03946FEFAFB08" bold="true" box="[199,321,1141,1166]" pageId="3" pageNumber="128">Diagnosis.</emphasis>
Colony encrusting. Autozooids rectangular to polygonal; frontal shield with 14 rows of areolar pores. Orifice with 4 distal spines and a median lyrulate convexity, sometimes denticulate. A single suboral avicularium and a pair (usually) of lateral and asymmetrical avicularia. Oecium hyperstomial, with perforated entooecium and smooth bifenestrate ectooecium bearing two small avicularia.
</paragraph>
</subSubSection>
<subSubSection id="E9983092E161FFDDDBF03836FBC0F820" pageId="3" pageNumber="128" type="description">
<paragraph id="A13D6319E161FFDDDBF03836FDD8FA0C" blockId="3.[151,1436,1069,1958]" pageId="3" pageNumber="128">
<emphasis id="93F6BF0BE161FFDDDBF03836FEE2FA98" bold="true" box="[199,345,1285,1310]" pageId="3" pageNumber="128">Description.</emphasis>
Colony encrusting. Autozooids rectangular to polygonal, longer than wide (6331121 [800] µm x 468633 [526] µm). Frontal shield with 14 rows of areolar pores, leaving the central region imperforate (
<figureCitation id="39B97F9CE161FFDDDE0F381AFAC2FAC4" box="[1336,1401,1321,1346]" captionStart="FIGURE 2" captionStartId="4.[151,250,1801,1823]" captionTargetBox="[158,1436,193,1776]" captionTargetId="figure@4.[158,1443,193,1776]" captionTargetPageId="4" captionText="FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG 6301 I a; B, MG 6301 I b; C, MG 6301 I d; D: MG 6301 I c; E: MG 6301 I e; F: MG 6301 I f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm." httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="3" pageNumber="128">Fig. 2</figureCitation>
A C). Interior of frontal shield not well preserved, but 34 rows of areolar pores can be seen with small, smooth central area proximal to orifice (
<figureCitation id="39B97F9CE161FFDDD9363842FDFFFA0C" box="[513,580,1393,1418]" captionStart="FIGURE 2" captionStartId="4.[151,250,1801,1823]" captionTargetBox="[158,1436,193,1776]" captionTargetId="figure@4.[158,1443,193,1776]" captionTargetPageId="4" captionText="FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG 6301 I a; B, MG 6301 I b; C, MG 6301 I d; D: MG 6301 I c; E: MG 6301 I e; F: MG 6301 I f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm." httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="3" pageNumber="128">Fig. 2</figureCitation>
F).
</paragraph>
<paragraph id="A13D6319E161FFDDDBF038A6FBD0F9B8" blockId="3.[151,1436,1069,1958]" pageId="3" pageNumber="128">
Primary orifice slightly longer than wide (235286 [255] µm x 235262 [244] µm); anter evenly rounded, bordered by 4 spine bases, the distalmost pair closer to each other than the more proximal pair (
<figureCitation id="39B97F9CE161FFDDDFF0388AFAB2FA54" box="[1223,1289,1465,1490]" captionStart="FIGURE 2" captionStartId="4.[151,250,1801,1823]" captionTargetBox="[158,1436,193,1776]" captionTargetId="figure@4.[158,1443,193,1776]" captionTargetPageId="4" captionText="FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG 6301 I a; B, MG 6301 I b; C, MG 6301 I d; D: MG 6301 I c; E: MG 6301 I e; F: MG 6301 I f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm." httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="3" pageNumber="128">Fig. 2</figureCitation>
C) [Laís, this is not easy to discern in 2C, but is seen in 2D.]; maternal zooids have only 2 spines visible (
<figureCitation id="39B97F9CE161FFDDDFD638EEFA93FA70" box="[1249,1320,1501,1526]" captionStart="FIGURE 2" captionStartId="4.[151,250,1801,1823]" captionTargetBox="[158,1436,193,1776]" captionTargetId="figure@4.[158,1443,193,1776]" captionTargetPageId="4" captionText="FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG 6301 I a; B, MG 6301 I b; C, MG 6301 I d; D: MG 6301 I c; E: MG 6301 I e; F: MG 6301 I f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm." httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="3" pageNumber="128">Fig. 2</figureCitation>
D); poster concave, with prominent median lyrulate convexity on proximal rim, sometimes weakly denticulate (
<figureCitation id="39B97F9CE161FFDDDE363B32FAF8F99C" box="[1281,1347,1537,1562]" captionStart="FIGURE 2" captionStartId="4.[151,250,1801,1823]" captionTargetBox="[158,1436,193,1776]" captionTargetId="figure@4.[158,1443,193,1776]" captionTargetPageId="4" captionText="FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG 6301 I a; B, MG 6301 I b; C, MG 6301 I d; D: MG 6301 I c; E: MG 6301 I e; F: MG 6301 I f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm." httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="3" pageNumber="128">Fig. 2</figureCitation>
BD); a pair of short rounded-triangular condyles adjacent to proximalmost spines (
<figureCitation id="39B97F9CE161FFDDD8D43B16FB9CF9B8" box="[995,1063,1573,1598]" captionStart="FIGURE 2" captionStartId="4.[151,250,1801,1823]" captionTargetBox="[158,1436,193,1776]" captionTargetId="figure@4.[158,1443,193,1776]" captionTargetPageId="4" captionText="FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG 6301 I a; B, MG 6301 I b; C, MG 6301 I d; D: MG 6301 I c; E: MG 6301 I e; F: MG 6301 I f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm." httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="3" pageNumber="128">Fig. 2</figureCitation>
C, D).
</paragraph>
<paragraph id="A13D6319E161FFDDDBF03B7AFB29F974" blockId="3.[151,1436,1069,1958]" pageId="3" pageNumber="128">
Single small suboral avicularium (100176 [128] µm long), always on a raised cystid (
<figureCitation id="39B97F9CE161FFDDDF873B7AFB4FF9E4" box="[1200,1268,1609,1634]" captionStart="FIGURE 2" captionStartId="4.[151,250,1801,1823]" captionTargetBox="[158,1436,193,1776]" captionTargetId="figure@4.[158,1443,193,1776]" captionTargetPageId="4" captionText="FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG 6301 I a; B, MG 6301 I b; C, MG 6301 I d; D: MG 6301 I c; E: MG 6301 I e; F: MG 6301 I f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm." httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="3" pageNumber="128">Fig. 2</figureCitation>
AD); rostrum triangular, directed distofrontally (
<figureCitation id="39B97F9CE161FFDDD9203B5EFDE0F900" box="[535,603,1645,1670]" captionStart="FIGURE 2" captionStartId="4.[151,250,1801,1823]" captionTargetBox="[158,1436,193,1776]" captionTargetId="figure@4.[158,1443,193,1776]" captionTargetPageId="4" captionText="FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG 6301 I a; B, MG 6301 I b; C, MG 6301 I d; D: MG 6301 I c; E: MG 6301 I e; F: MG 6301 I f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm." httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="3" pageNumber="128">Fig. 2</figureCitation>
C, D); crossbar complete; rostral tip often ending on the lyrulate convexity (
<figureCitation id="39B97F9CE161FFDDDBA83BA2FF5AF92C" box="[159,225,1681,1706]" captionStart="FIGURE 2" captionStartId="4.[151,250,1801,1823]" captionTargetBox="[158,1436,193,1776]" captionTargetId="figure@4.[158,1443,193,1776]" captionTargetPageId="4" captionText="FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG 6301 I a; B, MG 6301 I b; C, MG 6301 I d; D: MG 6301 I c; E: MG 6301 I e; F: MG 6301 I f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm." httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="3" pageNumber="128">Fig. 2</figureCitation>
BD). Lateral avicularia often paired and asymmetrical in position, or simple, directed distally, parallel to or angled away from lateral border of orifice (
<figureCitation id="39B97F9CE161FFDDD9B13B86FD71F948" box="[646,714,1717,1742]" captionStart="FIGURE 2" captionStartId="4.[151,250,1801,1823]" captionTargetBox="[158,1436,193,1776]" captionTargetId="figure@4.[158,1443,193,1776]" captionTargetPageId="4" captionText="FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG 6301 I a; B, MG 6301 I b; C, MG 6301 I d; D: MG 6301 I c; E: MG 6301 I e; F: MG 6301 I f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm." httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="3" pageNumber="128">Fig. 2</figureCitation>
AD); variable in size (84262 µm long) as well as shape (
<figureCitation id="39B97F9CE161FFDDDE583B86FF1DF974" captionStart="FIGURE 2" captionStartId="4.[151,250,1801,1823]" captionTargetBox="[158,1436,193,1776]" captionTargetId="figure@4.[158,1443,193,1776]" captionTargetPageId="4" captionText="FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG 6301 I a; B, MG 6301 I b; C, MG 6301 I d; D: MG 6301 I c; E: MG 6301 I e; F: MG 6301 I f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm." httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="3" pageNumber="128">Fig. 2</figureCitation>
B, C); rostrum elongate-rounded, or sometimes spatulate; crossbar complete (
<figureCitation id="39B97F9CE161FFDDDF3D3BEAFBF7F974" box="[1034,1100,1753,1778]" captionStart="FIGURE 2" captionStartId="4.[151,250,1801,1823]" captionTargetBox="[158,1436,193,1776]" captionTargetId="figure@4.[158,1443,193,1776]" captionTargetPageId="4" captionText="FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG 6301 I a; B, MG 6301 I b; C, MG 6301 I d; D: MG 6301 I c; E: MG 6301 I e; F: MG 6301 I f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm." httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="3" pageNumber="128">Fig. 2</figureCitation>
AC).
</paragraph>
<paragraph id="A13D6319E161FFDDDBF03BCEFBC0F820" blockId="3.[151,1436,1069,1958]" pageId="3" pageNumber="128">
Ooecium hyperstomial, wider than long (233407 [332] µm x 367471 [425] µm), entooecium perforated by small pores, ectooecium smooth, thick, surrounding external border and frontal surface, forming a central keel, resulting in the ooecium appearing bifenestrate (
<figureCitation id="39B97F9CE161FFDDD9FE3A76FCB4F8D8" box="[713,783,1861,1886]" captionStart="FIGURE 2" captionStartId="4.[151,250,1801,1823]" captionTargetBox="[158,1436,193,1776]" captionTargetId="figure@4.[158,1443,193,1776]" captionTargetPageId="4" captionText="FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG 6301 I a; B, MG 6301 I b; C, MG 6301 I d; D: MG 6301 I c; E: MG 6301 I e; F: MG 6301 I f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm." httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="3" pageNumber="128">Fig. 2</figureCitation>
E). Two small adventitious avicularia (96144 µm long) often developed proximofrontally on ectooecium, asymmetrical, directed proximomedially, one situated on each side of the central keel (
<figureCitation id="39B97F9CE161FFDDDA933ABEFE5CF820" box="[420,487,1933,1958]" captionStart="FIGURE 2" captionStartId="4.[151,250,1801,1823]" captionTargetBox="[158,1436,193,1776]" captionTargetId="figure@4.[158,1443,193,1776]" captionTargetPageId="4" captionText="FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG 6301 I a; B, MG 6301 I b; C, MG 6301 I d; D: MG 6301 I c; E: MG 6301 I e; F: MG 6301 I f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm." httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="3" pageNumber="128">Fig. 2</figureCitation>
B, DE); rostrum rounded (
<figureCitation id="39B97F9CE161FFDDD82C3ABEFCE5F820" box="[795,862,1933,1958]" captionStart="FIGURE 2" captionStartId="4.[151,250,1801,1823]" captionTargetBox="[158,1436,193,1776]" captionTargetId="figure@4.[158,1443,193,1776]" captionTargetPageId="4" captionText="FIGURE 2. Hippopleurifera barbosae sp. nov. Specimens: A, MG 6301 I a; B, MG 6301 I b; C, MG 6301 I d; D: MG 6301 I c; E: MG 6301 I e; F: MG 6301 I f. A, general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid. B, general view of colony fragment with ovicellate zooids showing their major characteristics. C, detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores. D, ovicellate and non-ovicellate zooids. E, detail of a perforated bifenestrate oecium with two frontal avicularia. F, frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm." httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="3" pageNumber="128">Fig. 2</figureCitation>
D, E), crossbar complete.
</paragraph>
</subSubSection>
<caption id="F5FD3391E166FFDADBA03A3AFA90F851" httpUri="https://zenodo.org/record/237332/files/figure.png" pageId="4" pageNumber="129" targetBox="[158,1436,193,1776]" targetPageId="4">
<paragraph id="A13D6319E166FFDADBA03A3AFA90F851" blockId="4.[151,1436,1801,2007]" pageId="4" pageNumber="129">
<emphasis id="93F6BF0BE166FFDADBA03A3AFEA8F898" bold="true" box="[151,275,1801,1823]" pageId="4" pageNumber="129">FIGURE 2.</emphasis>
<taxonomicName id="6682189AE166FFDADA2D3A3AFD98F899" box="[282,547,1801,1823]" class="Gymnolaemata" family="Romancheinidae" genus="Hippopleurifera" kingdom="Animalia" order="Cheilostomatida" pageId="4" pageNumber="129" phylum="Bryozoa" rank="species" species="barbosae" status="sp. nov.">
<emphasis id="93F6BF0BE166FFDADA2D3A3AFD98F899" box="[282,547,1801,1823]" italics="true" pageId="4" pageNumber="129">Hippopleurifera barbosae</emphasis>
</taxonomicName>
<taxonomicNameLabel id="88C50270E166FFDAD91C3A39FDC7F899" box="[555,636,1802,1823]" pageId="4" pageNumber="129" rank="species">
<emphasis id="93F6BF0BE166FFDAD91C3A39FDC7F899" bold="true" box="[555,636,1802,1823]" pageId="4" pageNumber="129">sp. nov.</emphasis>
</taxonomicNameLabel>
Specimens: A, MG6301Ia; B, MG6301Ib; C, MG6301Id; D: MG 6301Ic; E: MG6301Ie; F: MG6301If.
<emphasis id="93F6BF0BE166FFDAD94B3A1BFD2EF8BB" bold="true" box="[636,661,1832,1853]" pageId="4" pageNumber="129">A,</emphasis>
general view of colony fragment showing primary orifices, some lateral and suboral avicularia and one ovicellate zooid.
<emphasis id="93F6BF0BE166FFDAD9543A74FDC1F8DA" bold="true" box="[611,634,1863,1884]" pageId="4" pageNumber="129">B,</emphasis>
general view of colony fragment with ovicellate zooids showing their major characteristics.
<emphasis id="93F6BF0BE166FFDADA033A56FEF6F8FD" bold="true" box="[308,333,1893,1915]" pageId="4" pageNumber="129">C,</emphasis>
detail of two autozooids showing primary orifices with condyles, lyrulate processes and distal spines, as well as suboral and lateral avicularia and frontal shields with areolar pores.
<emphasis id="93F6BF0BE166FFDAD8433AB7FC37F81F" bold="true" box="[884,908,1924,1945]" pageId="4" pageNumber="129">D,</emphasis>
ovicellate and non-ovicellate zooids.
<emphasis id="93F6BF0BE166FFDADE233AB7FA90F81F" bold="true" box="[1300,1323,1924,1945]" pageId="4" pageNumber="129">E,</emphasis>
detail of a perforated bifenestrate oecium with two frontal avicularia.
<emphasis id="93F6BF0BE166FFDAD9CA3A90FCB5F83E" bold="true" box="[765,782,1955,1976]" pageId="4" pageNumber="129">F,</emphasis>
frontal-shield interiors showing openings of areolar pores and reduced umbonuloid areas (best seen in zooid at upper left). Scale bars: A, B, D, F, 500 µm; C, 200 µm; E, 150 µm.
</paragraph>
</caption>
<subSubSection id="E9983092E167FFDBDBF03DA4FEA8FF53" pageId="5" pageNumber="130" type="etymology">
<paragraph id="A13D6319E167FFDBDBF03DA4FEA8FF53" blockId="5.[151,1437,151,789]" pageId="5" pageNumber="130">
<emphasis id="93F6BF0BE167FFDBDBF03DA4FEF5FF36" bold="true" box="[199,334,151,176]" pageId="5" pageNumber="130">Etymology.</emphasis>
Honorific for Dra. Maria
<collectingCountry id="D9952389E167FFDBD9A43DABFD6DFF29" box="[659,726,152,175]" name="Malta" pageId="5" pageNumber="130">Marta</collectingCountry>
Barbosa who first studied the bryozoans from the Pirabas Formation.
</paragraph>
</subSubSection>
<subSubSection id="E9983092E167FFDBDBF03DECFB82FC93" pageId="5" pageNumber="130" type="discussion">
<paragraph id="A13D6319E167FFDBDBF03DECFB82FC93" blockId="5.[151,1437,151,789]" pageId="5" pageNumber="130">
<emphasis id="93F6BF0BE167FFDBDBF03DECFE80FF7E" bold="true" box="[199,315,223,248]" pageId="5" pageNumber="130">Remarks.</emphasis>
Some 25 species of
<taxonomicName id="6682189AE167FFDBD90D3DD3FD4BFF7E" box="[570,752,224,248]" class="Gymnolaemata" family="Romancheinidae" genus="Hippopleurifera" kingdom="Animalia" order="Cheilostomatida" pageId="5" pageNumber="130" phylum="Bryozoa" rank="genus">
<emphasis id="93F6BF0BE167FFDBD90D3DD3FD4BFF7E" box="[570,752,224,248]" italics="true" pageId="5" pageNumber="130">Hippopleurifera</emphasis>
</taxonomicName>
have been described from around the world (
<bibRefCitation id="C5131EE8E167FFDBDE233DECFA2CFF7E" author="Bock" box="[1300,1431,223,248]" pageId="5" pageNumber="130" refString="Bock, P. (2012) Bryozoa Home Page. Available from: http: // bryozoa. net / cheilostomata / romancheinidae / hippopleurifera. html (accessed 8 July 2015)" type="journal article" year="2012">Bock 2012</bibRefCitation>
;
<bibRefCitation id="C5131EE8E167FFDBDBA03C37FE96FE9A" author="Gordon" box="[151,301,260,285]" pageId="5" pageNumber="130" refString="Gordon, D. (2014) Hippopleurifera Canu &amp; Bassler, 1925. In: Bock, P. &amp; Gordon, D. (Eds.), World List of Bryozoa. Accessed through: World Register of Marine Species. Available from: http: // www. marinespecies. org / aphia. php? p = taxdetails &amp; id = 11 0 987 (accessed 5 November 2014)" type="book chapter" year="2014">Gordon 2014</bibRefCitation>
) (although the genus still needs to be reviewed; see comments above) but no
<taxonomicName id="6682189AE167FFDBDFB93C37FAFFFE9A" box="[1166,1348,260,284]" class="Gymnolaemata" family="Romancheinidae" genus="Hippopleurifera" kingdom="Animalia" order="Cheilostomatida" pageId="5" pageNumber="130" phylum="Bryozoa" rank="genus">
<emphasis id="93F6BF0BE167FFDBDFB93C37FAFFFE9A" box="[1166,1348,260,284]" italics="true" pageId="5" pageNumber="130">Hippopleurifera</emphasis>
</taxonomicName>
species have yet been recorded from
<collectingCountry id="D9952389E167FFDBDAD13C14FD91FEC6" box="[486,554,295,320]" name="Brazil" pageId="5" pageNumber="130">Brazil</collectingCountry>
(fossil or Recent species). Most of the known species of
<taxonomicName id="6682189AE167FFDBDF8C3C1BFACAFEC6" box="[1211,1393,296,320]" class="Gymnolaemata" family="Romancheinidae" genus="Hippopleurifera" kingdom="Animalia" order="Cheilostomatida" pageId="5" pageNumber="130" phylum="Bryozoa" rank="genus">
<emphasis id="93F6BF0BE167FFDBDF8C3C1BFACAFEC6" box="[1211,1393,296,320]" italics="true" pageId="5" pageNumber="130">Hippopleurifera</emphasis>
</taxonomicName>
are fossil, and most of these have six oral spines (although a few species may have up to seven), with lateral avicularia located near the proximal border of the orifice directed distally, but an umbo or suboral avicularium is not common. However,
<taxonomicName id="6682189AE167FFDBDA3D3CA6FDE2FE2A" authority="Reuss, 1847" authorityName="Reuss" authorityYear="1847" box="[266,601,404,428]" class="Gymnolaemata" family="Romancheinidae" genus="Hippopleurifera" kingdom="Animalia" order="Cheilostomatida" pageId="5" pageNumber="130" phylum="Bryozoa" rank="species" species="semicristata">
<emphasis id="93F6BF0BE167FFDBDA3D3CA6FE0EFE2A" box="[266,437,405,428]" italics="true" pageId="5" pageNumber="130">H. semicristata</emphasis>
(
<bibRefCitation id="C5131EE8E167FFDBDAF23CA7FDEBFE2A" author="Reuss" box="[453,592,404,428]" pageId="5" pageNumber="130" refString="Reuss, A. E. (1847) I. Die fossilien Polyparien des Wiener Tertiarbeckens. Ein monographischer Versuch. Naturwissenschaftiche Abhadlungen, 2 (1), 1 - 109. [Haidinger, Wien]" type="journal article" year="1847">Reuss, 1847</bibRefCitation>
)
</taxonomicName>
has lateral avicularia similar in shape to those of
<taxonomicName id="6682189AE167FFDBDFB23CA6FAABFE2A" box="[1157,1296,404,428]" class="Gymnolaemata" family="Romancheinidae" genus="Hippopleurifera" kingdom="Animalia" order="Cheilostomatida" pageId="5" pageNumber="130" phylum="Bryozoa" rank="species" species="barbosae" status="sp. nov.">
<emphasis id="93F6BF0BE167FFDBDFB23CA6FAABFE2A" box="[1157,1296,404,428]" italics="true" pageId="5" pageNumber="130">H. barbosae</emphasis>
</taxonomicName>
<emphasis id="93F6BF0BE167FFDBDE203CA7FACAFE2B" bold="true" box="[1303,1393,404,429]" pageId="5" pageNumber="130">
<taxonomicNameLabel id="88C50270E167FFDBDE203CA7FACAFE2B" box="[1303,1393,404,429]" pageId="5" pageNumber="130" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
but they are more proximally positioned and the number of oral spines is higher (five to seven).
<taxonomicName id="6682189AE167FFDBDF823C8AFEF2FE73" authority="Milne Edwards, 1836" authorityName="Milne Edwards" authorityYear="1836" class="Gymnolaemata" family="Romancheinidae" genus="Hippopleurifera" kingdom="Animalia" order="Cheilostomatida" pageId="5" pageNumber="130" phylum="Bryozoa" rank="species" species="sedgwicki">
<emphasis id="93F6BF0BE167FFDBDF823C8AFAFCFE56" box="[1205,1351,440,464]" italics="true" pageId="5" pageNumber="130">H. sedgwicki</emphasis>
(
<bibRefCitation id="C5131EE8E167FFDBDE603C84FEFBFE73" author="Milne" pageId="5" pageNumber="130" refString="Milne Edwards, H. (1836) Observations sur les Polypiers fossiles, du genre Eschare. Annales des Sciences naturelles, Zoologie &amp; Biologie animale, 6, 321 - 345." type="journal article" year="1836">Milne Edwards, 1836</bibRefCitation>
)
</taxonomicName>
also resembles
<taxonomicName id="6682189AE167FFDBDACA3CEEFD33FE72" box="[509,648,476,500]" class="Gymnolaemata" family="Romancheinidae" genus="Hippopleurifera" kingdom="Animalia" order="Cheilostomatida" pageId="5" pageNumber="130" phylum="Bryozoa" rank="species" species="barbosae">
<emphasis id="93F6BF0BE167FFDBDACA3CEEFD33FE72" box="[509,648,476,500]" italics="true" pageId="5" pageNumber="130">H. barbosae</emphasis>
</taxonomicName>
but this species has a significantly reduced, smooth area suborally on the frontal shield, only three to five oral spines, small oval, lateral avicularia and a bifenestrate ooecium. Finally,
<taxonomicName id="6682189AE167FFDBDEB63F32FE4EFDBA" authority="Canu &amp; Bassler, 1920" authorityName="Canu &amp; Bassler" authorityYear="1920" class="Gymnolaemata" family="Romancheinidae" genus="Hippopleurifera" kingdom="Animalia" order="Cheilostomatida" pageId="5" pageNumber="130" phylum="Bryozoa" rank="species" species="ampla">
<emphasis id="93F6BF0BE167FFDBDEB63F32FF66FDBA" italics="true" pageId="5" pageNumber="130">H. ampla</emphasis>
(
<bibRefCitation id="C5131EE8E167FFDBDBDA3F17FE56FDBA" author="Canu" box="[237,493,548,573]" pageId="5" pageNumber="130" refString="Canu, F. &amp; Bassler, R. S. (1920) North American Early Tertiary Bryozoa. United States National Museum Bulletin, 106, 1 - 879, pls. 1 - 162." type="journal article" year="1920">Canu &amp; Bassler, 1920</bibRefCitation>
)
</taxonomicName>
is the most similar to
<taxonomicName id="6682189AE167FFDBD9CD3F16FC3DFDBA" box="[762,902,548,572]" class="Gymnolaemata" family="Romancheinidae" genus="Hippopleurifera" kingdom="Animalia" order="Cheilostomatida" pageId="5" pageNumber="130" phylum="Bryozoa" rank="species" species="barbosae">
<emphasis id="93F6BF0BE167FFDBD9CD3F16FC3DFDBA" box="[762,902,548,572]" italics="true" pageId="5" pageNumber="130">H. barbosae</emphasis>
</taxonomicName>
, mainly because of its possession of a suboral avicularium and bifenestrate oecium. However, the species are readily distinguished as
<taxonomicName id="6682189AE167FFDBDFAA3F7AFAB1FDE6" box="[1181,1290,584,608]" class="Gymnolaemata" family="Romancheinidae" genus="Hippopleurifera" kingdom="Animalia" order="Cheilostomatida" pageId="5" pageNumber="130" phylum="Bryozoa" rank="species" species="ampla">
<emphasis id="93F6BF0BE167FFDBDFAA3F7AFB0AFDE6" box="[1181,1201,585,608]" italics="true" pageId="5" pageNumber="130">H</emphasis>
.
<emphasis id="93F6BF0BE167FFDBDFF33F7BFAB1FDE6" box="[1220,1290,584,608]" italics="true" pageId="5" pageNumber="130">ampla</emphasis>
</taxonomicName>
has a small elliptical, suboral avicularium, narrower zooids (220 µm), a smaller primary orifice (180 µm long x 200 µm wide) with a narrow cylindrical lyrula, only one or two rows of areolar pores and only a single lateral avicularium with a longer, more-spatulate rostrum.
<bibRefCitation id="C5131EE8E167FFDBD93B3F87FCA7FD4A" author="Canu" box="[524,796,692,717]" pageId="5" pageNumber="130" refString="Canu, F. &amp; Bassler, R. S. (1920) North American Early Tertiary Bryozoa. United States National Museum Bulletin, 106, 1 - 879, pls. 1 - 162." type="journal article" year="1920">Canu &amp; Bassler (1920)</bibRefCitation>
did not describe the ooecial surface of
<taxonomicName id="6682189AE167FFDBDFCE3F86FADDFD4A" box="[1273,1382,692,716]" class="Gymnolaemata" family="Romancheinidae" genus="Hippopleurifera" kingdom="Animalia" order="Cheilostomatida" pageId="5" pageNumber="130" phylum="Bryozoa" rank="species" species="ampla">
<emphasis id="93F6BF0BE167FFDBDFCE3F86FADDFD4A" box="[1273,1382,692,716]" italics="true" pageId="5" pageNumber="130">H. ampla</emphasis>
</taxonomicName>
, but neverthless illustrated an ooecium with what appears to be a pair of avicularia upon it (
<bibRefCitation id="C5131EE8E167FFDBDF453FEBFF0DFC93" author="Canu" pageId="5" pageNumber="130" refString="Canu, F. &amp; Bassler, R. S. (1920) North American Early Tertiary Bryozoa. United States National Museum Bulletin, 106, 1 - 879, pls. 1 - 162." type="journal article" year="1920">Canu &amp; Bassler 1920, fig. 15</bibRefCitation>
).
<taxonomicName id="6682189AE167FFDBDBFD3FCFFE54FC92" box="[202,495,764,788]" class="Gymnolaemata" family="Romancheinidae" genus="Hippopleurifera" kingdom="Animalia" order="Cheilostomatida" pageId="5" pageNumber="130" phylum="Bryozoa" rank="species" species="barbosae" status="sp. nov.">
<emphasis id="93F6BF0BE167FFDBDBFD3FCFFE54FC92" box="[202,495,764,788]" italics="true" pageId="5" pageNumber="130">Hippopleurifera barbosae</emphasis>
</taxonomicName>
<emphasis id="93F6BF0BE167FFDBDAC13FCFFDF4FC93" bold="true" box="[502,591,764,789]" pageId="5" pageNumber="130">
<taxonomicNameLabel id="88C50270E167FFDBDAC13FCFFDF4FC93" box="[502,591,764,789]" pageId="5" pageNumber="130" rank="species">sp. nov.</taxonomicNameLabel>
</emphasis>
is known only from the Pirabas Formation.
</paragraph>
</subSubSection>
</treatment>
</document>