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<document id="FB2CA13EE25B2FF7F756ABDDDFBF19A9" ID-DOI="10.11646/zootaxa.3838.1.5" ID-GBIF-Dataset="61431d72-7007-4304-b9a8-ca04ca2cf385" ID-ISSN="1175-5326" ID-Zenodo-Dep="224549" ID-ZooBank="458183F5-78CF-4E00-AEA3-8C4477CF829B" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1460458513006" checkinUser="plazi" docAuthor="Zágoršek, Kamil, Ramalho, Laís V., Berning, Björn &amp; Távora, Vladimir De Araújo" docDate="2014" docId="E46D87BEFF93FFDD50A9FB98FB92FBB8" docLanguage="en" docName="zt03838p112.pdf" docOrigin="Zootaxa 3838 (1)" docStyle="DocumentStyle:647186512141C8FC8976D5BCC54AEB7D.9:Zootaxa.2013-.journal_article" docStyleId="647186512141C8FC8976D5BCC54AEB7D" docStyleName="Zootaxa.2013-.journal_article" docStyleVersion="9" docTitle="Pirabasoporella atalaiaensis Zágoršek, Ramalho, Berning &amp; Távora, 2014, n. sp." docType="treatment" docVersion="8" lastPageNumber="105" masterDocId="1854FFC6FF97FFDA503EFFA6FFEFFFC3" masterDocTitle="A new genus of the family Jaculinidae (Cheilostomata, Bryozoa) from the Miocene of the tropical western Atlantic" masterLastPageNumber="112" masterPageNumber="98" pageNumber="102" updateTime="1698303101897" updateUser="plazi">
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<mods:title id="4E2A080F923F0EA114AF719D23FC8F9B">A new genus of the family Jaculinidae (Cheilostomata, Bryozoa) from the Miocene of the tropical western Atlantic</mods:title>
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<mods:namePart id="4277C334BD1D94937D09A5180EF2A67D">Zágoršek, Kamil</mods:namePart>
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<mods:namePart id="6F0595B102CB1FEED98B45613450753B">Ramalho, Laís V.</mods:namePart>
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<mods:namePart id="2D549EA2F6610FA983B6FA348EF860F8">Berning, Björn</mods:namePart>
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<mods:namePart id="97A52A75301A1D26FA251BD7EDB6042F">Távora, Vladimir De Araújo</mods:namePart>
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<mods:date id="52BB4D6C3A5FE087CC8FB952743458C7">2014</mods:date>
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<treatment id="E46D87BEFF93FFDD50A9FB98FB92FBB8" ID-DOI="http://doi.org/10.5281/zenodo.5617686" ID-GBIF-Taxon="119511761" ID-Zenodo-Dep="5617686" LSID="urn:lsid:plazi:treatment:E46D87BEFF93FFDD50A9FB98FB92FBB8" httpUri="http://treatment.plazi.org/id/E46D87BEFF93FFDD50A9FB98FB92FBB8" lastPageId="7" lastPageNumber="105" pageId="4" pageNumber="102">
<subSubSection id="24DE6523FF93FFDE50A9FB98FEE5FBB9" pageId="4" pageNumber="102" type="nomenclature">
<paragraph id="6C7B36A8FF93FFDE50A9FB98FDD8FB9B" blockId="4.[151,567,1086,1146]" box="[151,567,1086,1112]" pageId="4" pageNumber="102">
<heading id="373381C4FF93FFDE50A9FB98FDD8FB9B" bold="true" box="[151,567,1086,1112]" fontSize="11" level="1" pageId="4" pageNumber="102" reason="1">
<emphasis id="5EB0EABAFF93FFDE50A9FB98FDD8FB9B" bold="true" box="[151,567,1086,1112]" pageId="4" pageNumber="102">
<taxonomicName id="ABC44D2BFF93FFDE50A9FB98FE02FB9B" ID-CoL="868P4" box="[151,493,1086,1112]" class="Gymnolaemata" family="Jaculinidae" genus="Pirabasoporella" kingdom="Animalia" order="Cheilostomatida" pageId="4" pageNumber="102" phylum="Bryozoa" rank="species" species="atalaiaensis" status="sp. nov.">
<emphasis id="5EB0EABAFF93FFDE50A9FB98FE02FB9B" bold="true" box="[151,493,1086,1112]" italics="true" pageId="4" pageNumber="102">Pirabasoporella atalaiaensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="458357C1FF93FFDE51CBFB98FDD8FB9B" box="[501,567,1086,1112]" pageId="4" pageNumber="102" rank="species">n. sp.</taxonomicNameLabel>
</emphasis>
</heading>
</paragraph>
<paragraph id="6C7B36A8FF93FFDE50A9FBC7FEE5FBB9" blockId="4.[151,567,1086,1146]" box="[151,266,1121,1146]" pageId="4" pageNumber="102">
(
<figureCitation id="F4FF2A2DFF93FFDE50A1FBC7FEECFBB9" box="[159,259,1121,1146]" captionStart-0="FIGURE 3" captionStart-1="FIGURE 4" captionStartId-0="5.[151,250,1816,1838]" captionStartId-1="6.[151,250,1590,1612]" captionTargetBox-0="[191,1386,183,1784]" captionTargetBox-1="[151,1436,197,1568]" captionTargetId-0="figure@5.[191,1386,183,1785]" captionTargetId-1="figure@6.[151,1436,197,1569]" captionTargetPageId-0="5" captionTargetPageId-1="6" captionText-0="FIGURE 3. Pirabasoporella atalaiaensis n. sp. A, general view of the holotype (collection number MG-UFPA 6200 - I). B, detail of holotype showing arrangement of the autozooids and struts. C, detail of paratype (collection number MG-UFPA 6201 - I) showing well-pronounced apertural pseudosinus and suboral avicularium. D, detail of paratype (collection number MG- UFPA 6202 - I) showing larger frontal avicularia. E, close-up of aperture with small suboral avicularium and well-pronounced pseudosinus (collection number MG-UFPA 6203 - I). F, paratype (collection number MG-UFPA 6203 - I) showing frontal avicularia and pseudopores on frontal shield. G, abfrontal view of paratype (collection number MG-UFPA 6204 - I) showing arrangement of rhizoid pores. Scale bars: A, 1 mm; B G, 100 µm." captionText-1="FIGURE 4. Pirabasoporella atalaiaensis n. sp. A, two well-developed ovicells facing the same fenestrule (collection number MG-UFPA 6205 - I). B, four ovicells, showing the thickened imperforate lip around the ooecial opening (collection number MG-UFPA 6206 - I). C, close-up of ovicell showing its shape and contact with the distal autozooid (collection number MG- UFPA 6207 - I). D, close-up of ovicell showing opening and contact with the distal autozooid (collection number same as A). E, interior view showing communication pores of rhizoidal pore plates (collection number MG-UFPA 6208 - I). F, interior view showing orifices and pores in proximal frontal shield (collection number MG-UFPA 6209 - I). G, close-up of the interior of an autozooid showing the umbonuloid part of the frontal shield arrow (collection number same as F). Scale bars all 100 µm." httpUri-0="https://zenodo.org/record/224551/files/figure.png" httpUri-1="https://zenodo.org/record/224552/files/figure.png" pageId="4" pageNumber="102">Figs 34</figureCitation>
)
</paragraph>
</subSubSection>
<subSubSection id="24DE6523FF93FFDE50A9FB3FFB82FB72" box="[151,1133,1177,1202]" pageId="4" pageNumber="102" type="etymology">
<paragraph id="6C7B36A8FF93FFDE50A9FB3FFB82FB72" blockId="4.[151,1437,1177,2034]" box="[151,1133,1177,1202]" pageId="4" pageNumber="102">
<emphasis id="5EB0EABAFF93FFDE50A9FB3FFEF1FB71" bold="true" box="[151,286,1177,1202]" pageId="4" pageNumber="102">Etymology.</emphasis>
Alluding to the
<typeStatus id="B37F880AFF93FFDE51EBFB3CFDEAFB71" box="[469,517,1178,1202]" pageId="4" pageNumber="102">type</typeStatus>
locality at Atalaia Beach (Salinopolis city, Pará State).
</paragraph>
</subSubSection>
<subSubSection id="24DE6523FF93FFDE50F9FB1DFCA2FAFF" pageId="4" pageNumber="102" type="materials_examined">
<paragraph id="6C7B36A8FF93FFDE50F9FB1DFCA2FAFF" blockId="4.[151,1437,1177,2034]" pageId="4" pageNumber="102">
<emphasis id="5EB0EABAFF93FFDE50F9FB1DFE5EFB17" bold="true" box="[199,433,1211,1236]" pageId="4" pageNumber="102">Material examined.</emphasis>
<typeStatus id="B37F880AFF93FFDE5187FB1DFDCFFB17" box="[441,544,1211,1236]" pageId="4" pageNumber="102" type="holotype">
<emphasis id="5EB0EABAFF93FFDE5187FB1DFDCFFB17" box="[441,544,1211,1236]" italics="true" pageId="4" pageNumber="102">Holotype</emphasis>
</typeStatus>
: MG-UFPA 6200-I, a colony fragment from the
<typeStatus id="B37F880AFF93FFDE5472FB1AFB93FB17" box="[1100,1148,1212,1236]" pageId="4" pageNumber="102">type</typeStatus>
locality at Atalaia Beach (Salinopolis city, Pará State);
<typeStatus id="B37F880AFF93FFDE51D6FB79FDF7FB34" box="[488,536,1247,1271]" pageId="4" pageNumber="102">type</typeStatus>
stratum, Pirabas Formation, Miocene.
<typeStatus id="B37F880AFF93FFDE53E4FB79FBAEFB35" box="[986,1089,1247,1270]" pageId="4" pageNumber="102" type="paratype">
<emphasis id="5EB0EABAFF93FFDE53E4FB79FBAEFB35" box="[986,1089,1247,1270]" italics="true" pageId="4" pageNumber="102">Paratype</emphasis>
</typeStatus>
: 10 separate colony fragments labelled as MG-UFPA 6201-I to 6211-I.
<emphasis id="5EB0EABAFF93FFDE525FFAA7FCD1FAD9" box="[609,830,1281,1306]" italics="true" pageId="4" pageNumber="102">Additional material</emphasis>
: More than 100 colony fragments, MG-UFPA 6212-I to 6300-I from sections Atalaia, B-17 Capanema and Aricuru.
</paragraph>
</subSubSection>
<subSubSection id="24DE6523FF93FFDE50F9FAE0FE98FA29" pageId="4" pageNumber="102" type="diagnosis">
<paragraph id="6C7B36A8FF93FFDE50F9FAE0FE98FA29" blockId="4.[151,1437,1177,2034]" pageId="4" pageNumber="102">
<emphasis id="5EB0EABAFF93FFDE50F9FAE0FEAEFA9C" bold="true" box="[199,321,1350,1375]" pageId="4" pageNumber="102">Diagnosis.</emphasis>
<taxonomicName id="ABC44D2BFF93FFDE5176FAE0FE10FA9C" box="[328,511,1350,1375]" class="Gymnolaemata" family="Jaculinidae" genus="Pirabasoporella" kingdom="Animalia" order="Cheilostomatida" pageId="4" pageNumber="101" phylum="Bryozoa" rank="genus" status="gen. nov.">
<emphasis id="5EB0EABAFF93FFDE5176FAE0FE10FA9C" box="[328,511,1350,1375]" italics="true" pageId="4" pageNumber="102">Pirabasoporella</emphasis>
</taxonomicName>
with relatively large zooids and few pores in the frontal shield. Oral spines absent. Adventitious avicularia of two
<typeStatus id="B37F880AFF93FFDE51C7FACCFDD7FA41" box="[505,568,1386,1410]" pageId="4" pageNumber="102">types</typeStatus>
: a small suboral one associated with an umbo, and a larger one occasionally developing on the frontal shield during ontogeny. Ovicell terminal, hyperstomial with uncalcified ectooecium and a pitted endooecial surface, not closed by the operculum. Abfrontal rhizoidal foramen relatively small and proximally situated.
</paragraph>
</subSubSection>
<subSubSection id="24DE6523FF93FFDD50F9FA55FE30FE6E" lastPageId="7" lastPageNumber="105" pageId="4" pageNumber="102" type="description">
<paragraph id="6C7B36A8FF93FFDE50F9FA55FDB0F91F" blockId="4.[151,1437,1177,2034]" pageId="4" pageNumber="102">
<emphasis id="5EB0EABAFF93FFDE50F9FA55FEB6F9CF" bold="true" box="[199,345,1523,1548]" pageId="4" pageNumber="102">Description.</emphasis>
Colony rigid, reticulate with bifurcating branches connected by kenozooidal struts at regular intervals, branches growing more or less parallel to each other (
<figureCitation id="F4FF2A2DFF93FFDE5363F9B0FC46F9EC" box="[861,937,1558,1583]" captionStart="FIGURE 3" captionStartId="5.[151,250,1816,1838]" captionTargetBox="[191,1386,183,1784]" captionTargetId="figure@5.[191,1386,183,1785]" captionTargetPageId="5" captionText="FIGURE 3. Pirabasoporella atalaiaensis n. sp. A, general view of the holotype (collection number MG-UFPA 6200 - I). B, detail of holotype showing arrangement of the autozooids and struts. C, detail of paratype (collection number MG-UFPA 6201 - I) showing well-pronounced apertural pseudosinus and suboral avicularium. D, detail of paratype (collection number MG- UFPA 6202 - I) showing larger frontal avicularia. E, close-up of aperture with small suboral avicularium and well-pronounced pseudosinus (collection number MG-UFPA 6203 - I). F, paratype (collection number MG-UFPA 6203 - I) showing frontal avicularia and pseudopores on frontal shield. G, abfrontal view of paratype (collection number MG-UFPA 6204 - I) showing arrangement of rhizoid pores. Scale bars: A, 1 mm; B G, 100 µm." httpUri="https://zenodo.org/record/224551/files/figure.png" pageId="4" pageNumber="102">Figs. 3</figureCitation>
A-C). The struts usually developing at every second autozooid, jointly budded laterally from the distolateral and proximolateral corners of two zooids (
<figureCitation id="F4FF2A2DFF93FFDE5509F99FFA96F992" box="[1335,1401,1593,1618]" captionStart="FIGURE 3" captionStartId="5.[151,250,1816,1838]" captionTargetBox="[191,1386,183,1784]" captionTargetId="figure@5.[191,1386,183,1785]" captionTargetPageId="5" captionText="FIGURE 3. Pirabasoporella atalaiaensis n. sp. A, general view of the holotype (collection number MG-UFPA 6200 - I). B, detail of holotype showing arrangement of the autozooids and struts. C, detail of paratype (collection number MG-UFPA 6201 - I) showing well-pronounced apertural pseudosinus and suboral avicularium. D, detail of paratype (collection number MG- UFPA 6202 - I) showing larger frontal avicularia. E, close-up of aperture with small suboral avicularium and well-pronounced pseudosinus (collection number MG-UFPA 6203 - I). F, paratype (collection number MG-UFPA 6203 - I) showing frontal avicularia and pseudopores on frontal shield. G, abfrontal view of paratype (collection number MG-UFPA 6204 - I) showing arrangement of rhizoid pores. Scale bars: A, 1 mm; B G, 100 µm." httpUri="https://zenodo.org/record/224551/files/figure.png" pageId="4" pageNumber="102">Fig. 3</figureCitation>
B), slightly curved or straight, thick but hollow with microstructures indicating the same origin as autozooidal skeleton, surface smooth or with faint ridges and a row of slit-like areolar pores near each branch contact (
<figureCitation id="F4FF2A2DFF93FFDE5508F9D8FA99F954" box="[1334,1398,1662,1687]" captionStart="FIGURE 3" captionStartId="5.[151,250,1816,1838]" captionTargetBox="[191,1386,183,1784]" captionTargetId="figure@5.[191,1386,183,1785]" captionTargetPageId="5" captionText="FIGURE 3. Pirabasoporella atalaiaensis n. sp. A, general view of the holotype (collection number MG-UFPA 6200 - I). B, detail of holotype showing arrangement of the autozooids and struts. C, detail of paratype (collection number MG-UFPA 6201 - I) showing well-pronounced apertural pseudosinus and suboral avicularium. D, detail of paratype (collection number MG- UFPA 6202 - I) showing larger frontal avicularia. E, close-up of aperture with small suboral avicularium and well-pronounced pseudosinus (collection number MG-UFPA 6203 - I). F, paratype (collection number MG-UFPA 6203 - I) showing frontal avicularia and pseudopores on frontal shield. G, abfrontal view of paratype (collection number MG-UFPA 6204 - I) showing arrangement of rhizoid pores. Scale bars: A, 1 mm; B G, 100 µm." httpUri="https://zenodo.org/record/224551/files/figure.png" pageId="4" pageNumber="102">Fig. 3</figureCitation>
D), struts delimiting elongate rounded-rectangular to lozenge-shaped fenestrules indented by slightly bulging peristomial rim of the interjacent zooids.
</paragraph>
<paragraph id="6C7B36A8FF93FFDE50F9F940FB2AF832" blockId="4.[151,1437,1177,2034]" pageId="4" pageNumber="102">
Autozooids rectangular but slightly curved, arranged in two alternating longitudinal series initially separated by thin raised ridges that gradually thicken during ontogeny (
<figureCitation id="F4FF2A2DFF93FFDE534AF8AFFC54F8E2" box="[884,955,1801,1826]" captionStart="FIGURE 3" captionStartId="5.[151,250,1816,1838]" captionTargetBox="[191,1386,183,1784]" captionTargetId="figure@5.[191,1386,183,1785]" captionTargetPageId="5" captionText="FIGURE 3. Pirabasoporella atalaiaensis n. sp. A, general view of the holotype (collection number MG-UFPA 6200 - I). B, detail of holotype showing arrangement of the autozooids and struts. C, detail of paratype (collection number MG-UFPA 6201 - I) showing well-pronounced apertural pseudosinus and suboral avicularium. D, detail of paratype (collection number MG- UFPA 6202 - I) showing larger frontal avicularia. E, close-up of aperture with small suboral avicularium and well-pronounced pseudosinus (collection number MG-UFPA 6203 - I). F, paratype (collection number MG-UFPA 6203 - I) showing frontal avicularia and pseudopores on frontal shield. G, abfrontal view of paratype (collection number MG-UFPA 6204 - I) showing arrangement of rhizoid pores. Scale bars: A, 1 mm; B G, 100 µm." httpUri="https://zenodo.org/record/224551/files/figure.png" pageId="4" pageNumber="102">Fig. 3</figureCitation>
F), frontal shield mixed umbonuloid and lepralioid, the short umbonuloid part restricted to the distal shield (
<figureCitation id="F4FF2A2DFF93FFDE539CF88DFC08F887" box="[930,999,1835,1860]" captionStart="FIGURE 4" captionStartId="6.[151,250,1590,1612]" captionTargetBox="[151,1436,197,1568]" captionTargetId="figure@6.[151,1436,197,1569]" captionTargetPageId="6" captionText="FIGURE 4. Pirabasoporella atalaiaensis n. sp. A, two well-developed ovicells facing the same fenestrule (collection number MG-UFPA 6205 - I). B, four ovicells, showing the thickened imperforate lip around the ooecial opening (collection number MG-UFPA 6206 - I). C, close-up of ovicell showing its shape and contact with the distal autozooid (collection number MG- UFPA 6207 - I). D, close-up of ovicell showing opening and contact with the distal autozooid (collection number same as A). E, interior view showing communication pores of rhizoidal pore plates (collection number MG-UFPA 6208 - I). F, interior view showing orifices and pores in proximal frontal shield (collection number MG-UFPA 6209 - I). G, close-up of the interior of an autozooid showing the umbonuloid part of the frontal shield arrow (collection number same as F). Scale bars all 100 µm." httpUri="https://zenodo.org/record/224552/files/figure.png" pageId="4" pageNumber="102">Fig. 4</figureCitation>
F, G), the interior surface smooth and often with concentric growth lines, the lepralioid frontal shield perforated by 1525 pores, some pores not penetrating the shield entirely (
<figureCitation id="F4FF2A2DFF93FFDE523FF8D7FDA8F84A" box="[513,583,1905,1930]" captionStart="FIGURE 4" captionStartId="6.[151,250,1590,1612]" captionTargetBox="[151,1436,197,1568]" captionTargetId="figure@6.[151,1436,197,1569]" captionTargetPageId="6" captionText="FIGURE 4. Pirabasoporella atalaiaensis n. sp. A, two well-developed ovicells facing the same fenestrule (collection number MG-UFPA 6205 - I). B, four ovicells, showing the thickened imperforate lip around the ooecial opening (collection number MG-UFPA 6206 - I). C, close-up of ovicell showing its shape and contact with the distal autozooid (collection number MG- UFPA 6207 - I). D, close-up of ovicell showing opening and contact with the distal autozooid (collection number same as A). E, interior view showing communication pores of rhizoidal pore plates (collection number MG-UFPA 6208 - I). F, interior view showing orifices and pores in proximal frontal shield (collection number MG-UFPA 6209 - I). G, close-up of the interior of an autozooid showing the umbonuloid part of the frontal shield arrow (collection number same as F). Scale bars all 100 µm." httpUri="https://zenodo.org/record/224552/files/figure.png" pageId="4" pageNumber="102">Fig. 4</figureCitation>
E, F). Primary orifice immersed, ill-defined, secondary aperture not well preserved, relatively large, suborbicular with a variably broad U-shaped pseudosinus (
<figureCitation id="F4FF2A2DFF93FFDE544DF835FB58F86F" box="[1139,1207,1939,1964]" captionStart="FIGURE 3" captionStartId="5.[151,250,1816,1838]" captionTargetBox="[191,1386,183,1784]" captionTargetId="figure@5.[191,1386,183,1785]" captionTargetPageId="5" captionText="FIGURE 3. Pirabasoporella atalaiaensis n. sp. A, general view of the holotype (collection number MG-UFPA 6200 - I). B, detail of holotype showing arrangement of the autozooids and struts. C, detail of paratype (collection number MG-UFPA 6201 - I) showing well-pronounced apertural pseudosinus and suboral avicularium. D, detail of paratype (collection number MG- UFPA 6202 - I) showing larger frontal avicularia. E, close-up of aperture with small suboral avicularium and well-pronounced pseudosinus (collection number MG-UFPA 6203 - I). F, paratype (collection number MG-UFPA 6203 - I) showing frontal avicularia and pseudopores on frontal shield. G, abfrontal view of paratype (collection number MG-UFPA 6204 - I) showing arrangement of rhizoid pores. Scale bars: A, 1 mm; B G, 100 µm." httpUri="https://zenodo.org/record/224551/files/figure.png" pageId="4" pageNumber="102">Fig. 3</figureCitation>
E), surrounded by a short, wide peristome that becomes thickened during ontogeny, proximolaterally carrying two protuberances, the prominent one towards the neighbouring zooid produced by a suboral avicularium (
<figureCitation id="F4FF2A2DFF93FFDE5401F87FFB6FF832" box="[1087,1152,2009,2034]" captionStart="FIGURE 3" captionStartId="5.[151,250,1816,1838]" captionTargetBox="[191,1386,183,1784]" captionTargetId="figure@5.[191,1386,183,1785]" captionTargetPageId="5" captionText="FIGURE 3. Pirabasoporella atalaiaensis n. sp. A, general view of the holotype (collection number MG-UFPA 6200 - I). B, detail of holotype showing arrangement of the autozooids and struts. C, detail of paratype (collection number MG-UFPA 6201 - I) showing well-pronounced apertural pseudosinus and suboral avicularium. D, detail of paratype (collection number MG- UFPA 6202 - I) showing larger frontal avicularia. E, close-up of aperture with small suboral avicularium and well-pronounced pseudosinus (collection number MG-UFPA 6203 - I). F, paratype (collection number MG-UFPA 6203 - I) showing frontal avicularia and pseudopores on frontal shield. G, abfrontal view of paratype (collection number MG-UFPA 6204 - I) showing arrangement of rhizoid pores. Scale bars: A, 1 mm; B G, 100 µm." httpUri="https://zenodo.org/record/224551/files/figure.png" pageId="4" pageNumber="102">Fig. 3</figureCitation>
D, E).
</paragraph>
<caption id="38BB6620FF92FFDF50A9F8BEFCDCF825" httpUri="https://zenodo.org/record/224551/files/figure.png" pageId="5" pageNumber="103" targetBox="[191,1386,183,1784]" targetPageId="5">
<paragraph id="6C7B36A8FF92FFDF50A9F8BEFCDCF825" blockId="5.[151,1436,1816,2022]" pageId="5" pageNumber="103">
<emphasis id="5EB0EABAFF92FFDF50A9F8BEFEFAF8EE" bold="true" box="[151,277,1816,1838]" pageId="5" pageNumber="103">FIGURE 3.</emphasis>
<taxonomicName id="ABC44D2BFF92FFDF5123F8BEFDAAF8ED" box="[285,581,1816,1838]" class="Gymnolaemata" family="Jaculinidae" genus="Pirabasoporella" kingdom="Animalia" order="Cheilostomatida" pageId="5" pageNumber="103" phylum="Bryozoa" rank="species" species="atalaiaensis" status="sp. nov.">
<emphasis id="5EB0EABAFF92FFDF5123F8BEFDAAF8ED" box="[285,581,1816,1838]" italics="true" pageId="5" pageNumber="103">Pirabasoporella atalaiaensis</emphasis>
</taxonomicName>
<emphasis id="5EB0EABAFF92FFDF5270F8BEFD45F8EE" bold="true" box="[590,682,1816,1837]" pageId="5" pageNumber="103">
<taxonomicNameLabel id="458357C1FF92FFDF5270F8BEFD65F8EE" box="[590,650,1816,1837]" pageId="5" pageNumber="103" rank="species">n. sp.</taxonomicNameLabel>
A,
</emphasis>
general view of the holotype (collection number MG-UFPA 6200-I).
<emphasis id="5EB0EABAFF92FFDF55BAF8BEFA74F8EE" bold="true" box="[1412,1435,1816,1837]" pageId="5" pageNumber="103">B,</emphasis>
detail of holotype showing arrangement of the autozooids and struts.
<emphasis id="5EB0EABAFF92FFDF536EF891FC86F88E" bold="true" box="[848,873,1847,1869]" pageId="5" pageNumber="103">C,</emphasis>
detail of paratype (collection number MG-UFPA 6201- I) showing well-pronounced apertural pseudosinus and suboral avicularium.
<emphasis id="5EB0EABAFF92FFDF5384F8F0FC3DF8A8" bold="true" box="[954,978,1878,1899]" pageId="5" pageNumber="103">D,</emphasis>
detail of paratype (collection number MG- UFPA 6202-I) showing larger frontal avicularia.
<emphasis id="5EB0EABAFF92FFDF52B2F8D2FD4DF84A" bold="true" box="[652,674,1908,1929]" pageId="5" pageNumber="103">E,</emphasis>
close-up of aperture with small suboral avicularium and well-pronounced pseudosinus (collection number MG-UFPA 6203-I).
<emphasis id="5EB0EABAFF92FFDF52F2F835FD32F86B" bold="true" box="[716,733,1939,1960]" pageId="5" pageNumber="103">F,</emphasis>
paratype (collection number MG-UFPA 6203-I) showing frontal avicularia and pseudopores on frontal shield.
<emphasis id="5EB0EABAFF92FFDF524CF817FD69F804" bold="true" box="[626,646,1969,1991]" pageId="5" pageNumber="103">G,</emphasis>
abfrontal view of paratype (collection number MG-UFPA 6204-I) showing arrangement of rhizoid pores. Scale bars: A, 1 mm; BG, 100 µm.
</paragraph>
</caption>
<caption id="38BB6620FF91FFDC50A9F990FA8EF8C7" httpUri="https://zenodo.org/record/224552/files/figure.png" pageId="6" pageNumber="104" targetBox="[151,1436,197,1568]" targetPageId="6">
<paragraph id="6C7B36A8FF91FFDC50A9F990FA8EF8C7" blockId="6.[151,1436,1590,1796]" pageId="6" pageNumber="104">
<emphasis id="5EB0EABAFF91FFDC50A9F990FEFCF988" bold="true" box="[151,275,1590,1612]" pageId="6" pageNumber="104">FIGURE 4.</emphasis>
<taxonomicName id="ABC44D2BFF91FFDC5124F990FDD0F98F" box="[282,575,1590,1612]" class="Gymnolaemata" family="Jaculinidae" genus="Pirabasoporella" kingdom="Animalia" order="Cheilostomatida" pageId="6" pageNumber="104" phylum="Bryozoa" rank="species" species="atalaiaensis" status="sp. nov.">
<emphasis id="5EB0EABAFF91FFDC5124F990FDD0F98F" box="[282,575,1590,1612]" italics="true" pageId="6" pageNumber="104">Pirabasoporella atalaiaensis</emphasis>
</taxonomicName>
<emphasis id="5EB0EABAFF91FFDC5278F990FD70F988" bold="true" box="[582,671,1590,1611]" pageId="6" pageNumber="104">
<taxonomicNameLabel id="458357C1FF91FFDC5278F990FD6FF988" box="[582,640,1590,1611]" pageId="6" pageNumber="104" rank="species">n. sp.</taxonomicNameLabel>
A,
</emphasis>
two well-developed ovicells facing the same fenestrule (collection number MG-UFPA 6205-I).
<emphasis id="5EB0EABAFF91FFDC5155F9F3FE6DF9A9" bold="true" box="[363,386,1621,1642]" pageId="6" pageNumber="104">B,</emphasis>
four ovicells, showing the thickened imperforate lip around the ooecial opening (collection number MG-UFPA 6206-I).
<emphasis id="5EB0EABAFF91FFDC5154F9D5FE6BF94A" bold="true" box="[362,388,1651,1673]" pageId="6" pageNumber="104">C,</emphasis>
close-up of ovicell showing its shape and contact with the distal autozooid (collection number MG- UFPA 6207-I).
<emphasis id="5EB0EABAFF91FFDC510AF934FEA3F964" bold="true" box="[308,332,1682,1703]" pageId="6" pageNumber="104">D,</emphasis>
close-up of ovicell showing opening and contact with the distal autozooid (collection number same as A).
<emphasis id="5EB0EABAFF91FFDC55BAF934FA74F964" bold="true" box="[1412,1435,1682,1703]" pageId="6" pageNumber="104">E,</emphasis>
interior view showing communication pores of rhizoidal pore plates (collection number MG-UFPA 6208-I).
<emphasis id="5EB0EABAFF91FFDC54C2F917FAE2F905" bold="true" box="[1276,1293,1713,1734]" pageId="6" pageNumber="104">F,</emphasis>
interior view showing orifices and pores in proximal frontal shield (collection number MG-UFPA 6209-I).
<emphasis id="5EB0EABAFF91FFDC5469F969FB84F926" bold="true" box="[1111,1131,1743,1765]" pageId="6" pageNumber="104">G,</emphasis>
close-up of the interior of an autozooid showing the umbonuloid part of the frontal shield arrow (collection number same as F). Scale bars all 100 µm.
</paragraph>
</caption>
<paragraph id="6C7B36A8FF91FFDC50F9F88DFB8AF873" blockId="6.[151,1437,1835,2004]" pageId="6" pageNumber="104">
Avicularia polymorphic, of two different
<typeStatus id="B37F880AFF91FFDC529EF88AFD30F887" box="[672,735,1836,1860]" pageId="6" pageNumber="104">types</typeStatus>
: a single, small, suboral avicularium on each autozooid (
<figureCitation id="F4FF2A2DFF91FFDC5551F88DFF4BF8AB" captionStart="FIGURE 3" captionStartId="5.[151,250,1816,1838]" captionTargetBox="[191,1386,183,1784]" captionTargetId="figure@5.[191,1386,183,1785]" captionTargetPageId="5" captionText="FIGURE 3. Pirabasoporella atalaiaensis n. sp. A, general view of the holotype (collection number MG-UFPA 6200 - I). B, detail of holotype showing arrangement of the autozooids and struts. C, detail of paratype (collection number MG-UFPA 6201 - I) showing well-pronounced apertural pseudosinus and suboral avicularium. D, detail of paratype (collection number MG- UFPA 6202 - I) showing larger frontal avicularia. E, close-up of aperture with small suboral avicularium and well-pronounced pseudosinus (collection number MG-UFPA 6203 - I). F, paratype (collection number MG-UFPA 6203 - I) showing frontal avicularia and pseudopores on frontal shield. G, abfrontal view of paratype (collection number MG-UFPA 6204 - I) showing arrangement of rhizoid pores. Scale bars: A, 1 mm; B G, 100 µm." httpUri="https://zenodo.org/record/224551/files/figure.png" pageId="6" pageNumber="104">Fig. 3</figureCitation>
E), cystid slightly raised, situated proximolateral to aperture, rostrum subtriangular, directing laterally to proximolaterally, pivotal bar complete. Large adventitious frontal avicularia forming anywhere on the frontal shield in elder zooids (
<figureCitation id="F4FF2A2DFF91FFDC51ABF831FE38F873" box="[405,471,1943,1968]" captionStart="FIGURE 3" captionStartId="5.[151,250,1816,1838]" captionTargetBox="[191,1386,183,1784]" captionTargetId="figure@5.[191,1386,183,1785]" captionTargetPageId="5" captionText="FIGURE 3. Pirabasoporella atalaiaensis n. sp. A, general view of the holotype (collection number MG-UFPA 6200 - I). B, detail of holotype showing arrangement of the autozooids and struts. C, detail of paratype (collection number MG-UFPA 6201 - I) showing well-pronounced apertural pseudosinus and suboral avicularium. D, detail of paratype (collection number MG- UFPA 6202 - I) showing larger frontal avicularia. E, close-up of aperture with small suboral avicularium and well-pronounced pseudosinus (collection number MG-UFPA 6203 - I). F, paratype (collection number MG-UFPA 6203 - I) showing frontal avicularia and pseudopores on frontal shield. G, abfrontal view of paratype (collection number MG-UFPA 6204 - I) showing arrangement of rhizoid pores. Scale bars: A, 1 mm; B G, 100 µm." httpUri="https://zenodo.org/record/224551/files/figure.png" pageId="6" pageNumber="104">Fig. 3</figureCitation>
D); rostrum elongate-triangular, directed proximolaterally.
</paragraph>
<paragraph id="6C7B36A8FF91FFDD50F9F81DFCE1FF3B" blockId="6.[151,1437,1835,2004]" lastBlockId="7.[151,1436,151,429]" lastPageId="7" lastPageNumber="105" pageId="6" pageNumber="104">
Ovicells large, terminal, globular but flattened frontally, hyperstomial, recumbent on proximal part of distal zooid (
<figureCitation id="F4FF2A2DFF90FFDD50DBFF31FEC8FF73" box="[229,295,151,176]" captionStart="FIGURE 4" captionStartId="6.[151,250,1590,1612]" captionTargetBox="[151,1436,197,1568]" captionTargetId="figure@6.[151,1436,197,1569]" captionTargetPageId="6" captionText="FIGURE 4. Pirabasoporella atalaiaensis n. sp. A, two well-developed ovicells facing the same fenestrule (collection number MG-UFPA 6205 - I). B, four ovicells, showing the thickened imperforate lip around the ooecial opening (collection number MG-UFPA 6206 - I). C, close-up of ovicell showing its shape and contact with the distal autozooid (collection number MG- UFPA 6207 - I). D, close-up of ovicell showing opening and contact with the distal autozooid (collection number same as A). E, interior view showing communication pores of rhizoidal pore plates (collection number MG-UFPA 6208 - I). F, interior view showing orifices and pores in proximal frontal shield (collection number MG-UFPA 6209 - I). G, close-up of the interior of an autozooid showing the umbonuloid part of the frontal shield arrow (collection number same as F). Scale bars all 100 µm." httpUri="https://zenodo.org/record/224552/files/figure.png" pageId="7" pageNumber="105">Fig. 4</figureCitation>
AD); ectooecium uncalcified, endooecium densely sculptured with numerous tiny pits or pores apart from a broad, smooth, prominent rim surrounding ovicell opening that arches above aperture (
<figureCitation id="F4FF2A2DFF90FFDD5485FF1AFB11FF17" box="[1211,1278,188,213]" captionStart="FIGURE 4" captionStartId="6.[151,250,1590,1612]" captionTargetBox="[151,1436,197,1568]" captionTargetId="figure@6.[151,1436,197,1569]" captionTargetPageId="6" captionText="FIGURE 4. Pirabasoporella atalaiaensis n. sp. A, two well-developed ovicells facing the same fenestrule (collection number MG-UFPA 6205 - I). B, four ovicells, showing the thickened imperforate lip around the ooecial opening (collection number MG-UFPA 6206 - I). C, close-up of ovicell showing its shape and contact with the distal autozooid (collection number MG- UFPA 6207 - I). D, close-up of ovicell showing opening and contact with the distal autozooid (collection number same as A). E, interior view showing communication pores of rhizoidal pore plates (collection number MG-UFPA 6208 - I). F, interior view showing orifices and pores in proximal frontal shield (collection number MG-UFPA 6209 - I). G, close-up of the interior of an autozooid showing the umbonuloid part of the frontal shield arrow (collection number same as F). Scale bars all 100 µm." httpUri="https://zenodo.org/record/224552/files/figure.png" pageId="7" pageNumber="105">Fig. 4</figureCitation>
D), not closed by the operculum of the maternal zooid in life (
<figureCitation id="F4FF2A2DFF90FFDD5297FF79FD02FF3B" box="[681,749,223,248]" captionStart="FIGURE 4" captionStartId="6.[151,250,1590,1612]" captionTargetBox="[151,1436,197,1568]" captionTargetId="figure@6.[151,1436,197,1569]" captionTargetPageId="6" captionText="FIGURE 4. Pirabasoporella atalaiaensis n. sp. A, two well-developed ovicells facing the same fenestrule (collection number MG-UFPA 6205 - I). B, four ovicells, showing the thickened imperforate lip around the ooecial opening (collection number MG-UFPA 6206 - I). C, close-up of ovicell showing its shape and contact with the distal autozooid (collection number MG- UFPA 6207 - I). D, close-up of ovicell showing opening and contact with the distal autozooid (collection number same as A). E, interior view showing communication pores of rhizoidal pore plates (collection number MG-UFPA 6208 - I). F, interior view showing orifices and pores in proximal frontal shield (collection number MG-UFPA 6209 - I). G, close-up of the interior of an autozooid showing the umbonuloid part of the frontal shield arrow (collection number same as F). Scale bars all 100 µm." httpUri="https://zenodo.org/record/224552/files/figure.png" pageId="7" pageNumber="105">Fig. 4</figureCitation>
B).
</paragraph>
<paragraph id="6C7B36A8FF90FFDD50F9FEA2FACEFE44" blockId="7.[151,1436,151,429]" pageId="7" pageNumber="105">
Abfrontal side of colony smooth, zooidal borders marked by thin raised ridges (
<figureCitation id="F4FF2A2DFF90FFDD5451FEA2FB5BFEDF" box="[1135,1204,260,285]" captionStart="FIGURE 3" captionStartId="5.[151,250,1816,1838]" captionTargetBox="[191,1386,183,1784]" captionTargetId="figure@5.[191,1386,183,1785]" captionTargetPageId="5" captionText="FIGURE 3. Pirabasoporella atalaiaensis n. sp. A, general view of the holotype (collection number MG-UFPA 6200 - I). B, detail of holotype showing arrangement of the autozooids and struts. C, detail of paratype (collection number MG-UFPA 6201 - I) showing well-pronounced apertural pseudosinus and suboral avicularium. D, detail of paratype (collection number MG- UFPA 6202 - I) showing larger frontal avicularia. E, close-up of aperture with small suboral avicularium and well-pronounced pseudosinus (collection number MG-UFPA 6203 - I). F, paratype (collection number MG-UFPA 6203 - I) showing frontal avicularia and pseudopores on frontal shield. G, abfrontal view of paratype (collection number MG-UFPA 6204 - I) showing arrangement of rhizoid pores. Scale bars: A, 1 mm; B G, 100 µm." httpUri="https://zenodo.org/record/224551/files/figure.png" pageId="7" pageNumber="105">Fig. 3</figureCitation>
G), each zooid with large, deep, round to elongate rhizoid pore, occasionally surrounded by a thick prominent rim during ontogeny, sealed at its base by a multiporous pore plate with the pores situated along the margin (
<figureCitation id="F4FF2A2DFF90FFDD545FFEEAFB4BFEA7" box="[1121,1188,332,357]" captionStart="FIGURE 4" captionStartId="6.[151,250,1590,1612]" captionTargetBox="[151,1436,197,1568]" captionTargetId="figure@6.[151,1436,197,1569]" captionTargetPageId="6" captionText="FIGURE 4. Pirabasoporella atalaiaensis n. sp. A, two well-developed ovicells facing the same fenestrule (collection number MG-UFPA 6205 - I). B, four ovicells, showing the thickened imperforate lip around the ooecial opening (collection number MG-UFPA 6206 - I). C, close-up of ovicell showing its shape and contact with the distal autozooid (collection number MG- UFPA 6207 - I). D, close-up of ovicell showing opening and contact with the distal autozooid (collection number same as A). E, interior view showing communication pores of rhizoidal pore plates (collection number MG-UFPA 6208 - I). F, interior view showing orifices and pores in proximal frontal shield (collection number MG-UFPA 6209 - I). G, close-up of the interior of an autozooid showing the umbonuloid part of the frontal shield arrow (collection number same as F). Scale bars all 100 µm." httpUri="https://zenodo.org/record/224552/files/figure.png" pageId="7" pageNumber="105">Fig. 4</figureCitation>
E). An additional pore of the same
<typeStatus id="B37F880AFF90FFDD5121FED6FEA0FE4B" box="[287,335,368,392]" pageId="7" pageNumber="105">type</typeStatus>
present at distal edge of lateral walls of zooids that do not produce a kenozooidal strut.
</paragraph>
<paragraph id="6C7B36A8FF90FFDD50F9FE32FE30FE6E" blockId="7.[151,1436,151,429]" box="[199,479,404,429]" pageId="7" pageNumber="105">Ancestrula not observed.</paragraph>
</subSubSection>
<caption id="38BB6620FF90FFDD50A9FE73FCBEFE2F" ID-Table-UUID="38BB6620FF90FFDD50A9FE73FCBEFE2F" box="[151,849,468,492]" httpUri="http://table.plazi.org/id/38BB6620FF90FFDD50A9FE73FCBEFE2F" pageId="7" pageNumber="105" targetBox="[159,1357,519,701]" targetIsTable="true" targetPageId="7">
<paragraph id="6C7B36A8FF90FFDD50A9FE73FCBEFE2F" blockId="7.[151,849,468,492]" box="[151,849,468,492]" pageId="7" pageNumber="105">
<emphasis id="5EB0EABAFF90FFDD50A9FE73FEE5FE2F" bold="true" box="[151,266,469,492]" pageId="7" pageNumber="105">TABLE 1.</emphasis>
Measurements for
<taxonomicName id="ABC44D2BFF90FFDD51E6FE72FCE1FE2F" box="[472,782,468,492]" class="Gymnolaemata" family="Jaculinidae" genus="Pirabasoporella" kingdom="Animalia" order="Cheilostomatida" pageId="7" pageNumber="105" phylum="Bryozoa" rank="species" species="atalaiaensis" status="sp. nov.">
<emphasis id="5EB0EABAFF90FFDD51E6FE72FCE1FE2F" box="[472,782,468,492]" italics="true" pageId="7" pageNumber="105">Pirabasoporella atalaiaensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="458357C1FF90FFDD532AFE73FCBEFE2F" box="[788,849,469,492]" pageId="7" pageNumber="105" rank="species">n. sp.</taxonomicNameLabel>
</paragraph>
</caption>
<paragraph id="6C7B36A8FF90FFDD5121FDA1FADDFD7E" pageId="7" pageNumber="105">
<table id="1EC4C408FF90002550A1FDA1FAA2FD7E" box="[159,1357,519,701]" gridcols="10" gridrows="5" pageId="7" pageNumber="105">
<tr id="D2F434EAFF90002550A1FDA1FAA2FDDE" box="[159,1357,519,541]" gridrow="0" pageId="7" pageNumber="105" rowspan-0="1">
<th id="91255D96FF9000255121FDA1FEAAFDDE" box="[287,325,519,541]" gridcol="1" gridrow="0" pageId="7" pageNumber="105">BW</th>
<th id="91255D96FF900025519EFDA1FE2BFDDE" box="[416,452,519,541]" gridcol="2" gridrow="0" pageId="7" pageNumber="105">SD</th>
<th id="91255D96FF900025521FFDA1FDBEFDDE" box="[545,593,519,541]" gridcol="3" gridrow="0" pageId="7" pageNumber="105">FL</th>
<th id="91255D96FF900025529CFDA1FD29FDDE" box="[674,710,519,541]" gridcol="4" gridrow="0" pageId="7" pageNumber="105">FW</th>
<th id="91255D96FF900025531DFDA1FCA8FDDE" box="[803,839,519,541]" gridcol="5" gridrow="0" pageId="7" pageNumber="105">AL</th>
<th id="91255D96FF900025539AFDA1FC26FDDE" box="[932,969,519,541]" gridcol="6" gridrow="0" pageId="7" pageNumber="105">AW</th>
<th id="91255D96FF900025541BFDA1FBA6FDDE" box="[1061,1097,519,541]" gridcol="7" gridrow="0" pageId="7" pageNumber="105">AD</th>
<th id="91255D96FF900025549BFDA1FB25FDDE" box="[1189,1226,519,541]" gridcol="8" gridrow="0" pageId="7" pageNumber="105">OL</th>
<th id="91255D96FF9000255518FDA1FAA2FDDE" box="[1318,1357,519,541]" gridcol="9" gridrow="0" pageId="7" pageNumber="105">OW</th>
</tr>
<tr id="D2F434EAFF90002550A1FD89FAA2FD86" box="[159,1357,559,581]" gridrow="1" pageId="7" pageNumber="105">
<th id="91255D96FF90002550A1FD89FF3CFD86" box="[159,211,559,581]" gridcol="0" gridrow="1" pageId="7" pageNumber="105">mean</th>
<td id="91255D96FF9000255121FD89FEAAFD86" box="[287,325,559,581]" gridcol="1" gridrow="1" pageId="7" pageNumber="105">470</td>
<td id="91255D96FF900025519EFD89FE2BFD86" box="[416,452,559,581]" gridcol="2" gridrow="1" pageId="7" pageNumber="105">176</td>
<td id="91255D96FF900025521FFD89FDBEFD86" box="[545,593,559,581]" gridcol="3" gridrow="1" pageId="7" pageNumber="105">870</td>
<td id="91255D96FF900025529CFD89FD29FD86" box="[674,710,559,581]" gridcol="4" gridrow="1" pageId="7" pageNumber="105">462</td>
<td id="91255D96FF900025531DFD89FCA8FD86" box="[803,839,559,581]" gridcol="5" gridrow="1" pageId="7" pageNumber="105">577</td>
<td id="91255D96FF900025539AFD89FC26FD86" box="[932,969,559,581]" gridcol="6" gridrow="1" pageId="7" pageNumber="105">223</td>
<td id="91255D96FF900025541BFD89FBA6FD86" box="[1061,1097,559,581]" gridcol="7" gridrow="1" pageId="7" pageNumber="105">143</td>
<td id="91255D96FF900025549BFD89FB25FD86" box="[1189,1226,559,581]" gridcol="8" gridrow="1" pageId="7" pageNumber="105">266</td>
<td id="91255D96FF9000255518FD89FAA2FD86" box="[1318,1357,559,581]" gridcol="9" gridrow="1" pageId="7" pageNumber="105">255</td>
</tr>
<tr id="D2F434EAFF90002550A1FDF1FAA2FDAE" box="[159,1357,599,621]" gridrow="2" pageId="7" pageNumber="105">
<th id="91255D96FF90002550A1FDF1FF3CFDAE" box="[159,211,599,621]" gridcol="0" gridrow="2" pageId="7" pageNumber="105">min</th>
<td id="91255D96FF9000255121FDF1FEAAFDAE" box="[287,325,599,621]" gridcol="1" gridrow="2" pageId="7" pageNumber="105">411</td>
<td id="91255D96FF900025519EFDF1FE2BFDAE" box="[416,452,599,621]" gridcol="2" gridrow="2" pageId="7" pageNumber="105">100</td>
<td id="91255D96FF900025521FFDF1FDBEFDAE" box="[545,593,599,621]" gridcol="3" gridrow="2" pageId="7" pageNumber="105">649</td>
<td id="91255D96FF900025529CFDF1FD29FDAE" box="[674,710,599,621]" gridcol="4" gridrow="2" pageId="7" pageNumber="105">250</td>
<td id="91255D96FF900025531DFDF1FCA8FDAE" box="[803,839,599,621]" gridcol="5" gridrow="2" pageId="7" pageNumber="105">543</td>
<td id="91255D96FF900025539AFDF1FC26FDAE" box="[932,969,599,621]" gridcol="6" gridrow="2" pageId="7" pageNumber="105">177</td>
<td id="91255D96FF900025541BFDF1FBA6FDAE" box="[1061,1097,599,621]" gridcol="7" gridrow="2" pageId="7" pageNumber="105">120</td>
<td id="91255D96FF900025549BFDF1FB25FDAE" box="[1189,1226,599,621]" gridcol="8" gridrow="2" pageId="7" pageNumber="105">228</td>
<td id="91255D96FF9000255518FDF1FAA2FDAE" box="[1318,1357,599,621]" gridcol="9" gridrow="2" pageId="7" pageNumber="105">216</td>
</tr>
<tr id="D2F434EAFF90002550A1FDD9FAA2FD56" box="[159,1357,639,661]" gridrow="3" pageId="7" pageNumber="105">
<th id="91255D96FF90002550A1FDD9FF3CFD56" box="[159,211,639,661]" gridcol="0" gridrow="3" pageId="7" pageNumber="105">max</th>
<td id="91255D96FF9000255121FDD9FEAAFD56" box="[287,325,639,661]" gridcol="1" gridrow="3" pageId="7" pageNumber="105">516</td>
<td id="91255D96FF900025519EFDD9FE2BFD56" box="[416,452,639,661]" gridcol="2" gridrow="3" pageId="7" pageNumber="105">300</td>
<td id="91255D96FF900025521FFDD9FDBEFD56" box="[545,593,639,661]" gridcol="3" gridrow="3" pageId="7" pageNumber="105">1021</td>
<td id="91255D96FF900025529CFDD9FD29FD56" box="[674,710,639,661]" gridcol="4" gridrow="3" pageId="7" pageNumber="105">638</td>
<td id="91255D96FF900025531DFDD9FCA8FD56" box="[803,839,639,661]" gridcol="5" gridrow="3" pageId="7" pageNumber="105">631</td>
<td id="91255D96FF900025539AFDD9FC26FD56" box="[932,969,639,661]" gridcol="6" gridrow="3" pageId="7" pageNumber="105">24</td>
<td id="91255D96FF900025541BFDD9FBA6FD56" box="[1061,1097,639,661]" gridcol="7" gridrow="3" pageId="7" pageNumber="105">163</td>
<td id="91255D96FF900025549BFDD9FB25FD56" box="[1189,1226,639,661]" gridcol="8" gridrow="3" pageId="7" pageNumber="105">286</td>
<td id="91255D96FF9000255518FDD9FAA2FD56" box="[1318,1357,639,661]" gridcol="9" gridrow="3" pageId="7" pageNumber="105">271</td>
</tr>
<tr id="D2F434EAFF90002550A1FD01FAA2FD7E" box="[159,1357,679,701]" gridrow="4" pageId="7" pageNumber="105">
<th id="91255D96FF90002550A1FD01FF3CFD7E" box="[159,211,679,701]" gridcol="0" gridrow="4" pageId="7" pageNumber="105">#</th>
<td id="91255D96FF9000255121FD01FEAAFD7E" box="[287,325,679,701]" gridcol="1" gridrow="4" pageId="7" pageNumber="105">40</td>
<td id="91255D96FF900025519EFD01FE2BFD7E" box="[416,452,679,701]" gridcol="2" gridrow="4" pageId="7" pageNumber="105">55</td>
<td id="91255D96FF900025521FFD01FDBEFD7E" box="[545,593,679,701]" gridcol="3" gridrow="4" pageId="7" pageNumber="105">17</td>
<td id="91255D96FF900025529CFD01FD29FD7E" box="[674,710,679,701]" gridcol="4" gridrow="4" pageId="7" pageNumber="105">17</td>
<td id="91255D96FF900025531DFD01FCA8FD7E" box="[803,839,679,701]" gridcol="5" gridrow="4" pageId="7" pageNumber="105">20</td>
<td id="91255D96FF900025539AFD01FC26FD7E" box="[932,969,679,701]" gridcol="6" gridrow="4" pageId="7" pageNumber="105">20</td>
<td id="91255D96FF900025541BFD01FBA6FD7E" box="[1061,1097,679,701]" gridcol="7" gridrow="4" pageId="7" pageNumber="105">20</td>
<td id="91255D96FF900025549BFD01FB25FD7E" box="[1189,1226,679,701]" gridcol="8" gridrow="4" pageId="7" pageNumber="105">6</td>
<td id="91255D96FF9000255518FD01FAA2FD7E" box="[1318,1357,679,701]" gridcol="9" gridrow="4" pageId="7" pageNumber="105">6</td>
</tr>
</table>
</paragraph>
<subSubSection id="24DE6523FF90FFDD50F9FD5CFB92FBB8" pageId="7" pageNumber="105" type="discussion">
<paragraph id="6C7B36A8FF90FFDD50F9FD5CFB92FBB8" blockId="7.[151,1436,762,1147]" pageId="7" pageNumber="105">
<emphasis id="5EB0EABAFF90FFDD50F9FD5CFED4FCD0" bold="true" box="[199,315,762,787]" pageId="7" pageNumber="105">Remarks.</emphasis>
Although more than 100 colony fragments of
<taxonomicName id="ABC44D2BFF90FFDD537DFD5CFB67FCD0" box="[835,1160,762,787]" class="Gymnolaemata" family="Jaculinidae" genus="Pirabasoporella" kingdom="Animalia" order="Cheilostomatida" pageId="7" pageNumber="105" phylum="Bryozoa" rank="species" species="atalaiaensis" status="sp. nov.">
<emphasis id="5EB0EABAFF90FFDD537DFD5CFB67FCD0" box="[835,1160,762,787]" italics="true" pageId="7" pageNumber="105">Pirabasoporella atalaiaensis</emphasis>
</taxonomicName>
<taxonomicNameLabel id="458357C1FF90FFDD54B1FD5CFB21FCD0" box="[1167,1230,762,787]" pageId="7" pageNumber="105" rank="species">
<emphasis id="5EB0EABAFF90FFDD54B1FD5CFB21FCD0" bold="true" box="[1167,1230,762,787]" pageId="7" pageNumber="105">n. sp.</emphasis>
</taxonomicNameLabel>
were found, all of them are very small, which complicates assessing the presence and extent of morphological change during ontogeny within a colony, and distinguishing it from interspecific differences. The fragments do vary to quite an extent with respect to strut thickness, presence/absence of large frontal avicularia, and size of the frontal shield pores, for example (compare
<figureCitation id="F4FF2A2DFF90FFDD51DEFC2CFDCAFC60" box="[480,549,906,931]" captionStart="FIGURE 3" captionStartId="5.[151,250,1816,1838]" captionTargetBox="[191,1386,183,1784]" captionTargetId="figure@5.[191,1386,183,1785]" captionTargetPageId="5" captionText="FIGURE 3. Pirabasoporella atalaiaensis n. sp. A, general view of the holotype (collection number MG-UFPA 6200 - I). B, detail of holotype showing arrangement of the autozooids and struts. C, detail of paratype (collection number MG-UFPA 6201 - I) showing well-pronounced apertural pseudosinus and suboral avicularium. D, detail of paratype (collection number MG- UFPA 6202 - I) showing larger frontal avicularia. E, close-up of aperture with small suboral avicularium and well-pronounced pseudosinus (collection number MG-UFPA 6203 - I). F, paratype (collection number MG-UFPA 6203 - I) showing frontal avicularia and pseudopores on frontal shield. G, abfrontal view of paratype (collection number MG-UFPA 6204 - I) showing arrangement of rhizoid pores. Scale bars: A, 1 mm; B G, 100 µm." httpUri="https://zenodo.org/record/224551/files/figure.png" pageId="7" pageNumber="105">Figs 3</figureCitation>
B, 3D, 4A). Morphometric analyses show overlapping ranges of strut thickness in the various fragments, with thin struts appearing in colonies that can be regarded as ontogenetically young colonies (
<figureCitation id="F4FF2A2DFF90FFDD513BFC74FEA6FC28" box="[261,329,978,1003]" captionStart="FIGURE 4" captionStartId="6.[151,250,1590,1612]" captionTargetBox="[151,1436,197,1568]" captionTargetId="figure@6.[151,1436,197,1569]" captionTargetPageId="6" captionText="FIGURE 4. Pirabasoporella atalaiaensis n. sp. A, two well-developed ovicells facing the same fenestrule (collection number MG-UFPA 6205 - I). B, four ovicells, showing the thickened imperforate lip around the ooecial opening (collection number MG-UFPA 6206 - I). C, close-up of ovicell showing its shape and contact with the distal autozooid (collection number MG- UFPA 6207 - I). D, close-up of ovicell showing opening and contact with the distal autozooid (collection number same as A). E, interior view showing communication pores of rhizoidal pore plates (collection number MG-UFPA 6208 - I). F, interior view showing orifices and pores in proximal frontal shield (collection number MG-UFPA 6209 - I). G, close-up of the interior of an autozooid showing the umbonuloid part of the frontal shield arrow (collection number same as F). Scale bars all 100 µm." httpUri="https://zenodo.org/record/224552/files/figure.png" pageId="7" pageNumber="105">Fig. 4</figureCitation>
A), and thick struts in older colonies (
<figureCitation id="F4FF2A2DFF90FFDD52C9FC74FCD5FC28" box="[759,826,978,1003]" captionStart="FIGURE 3" captionStartId="5.[151,250,1816,1838]" captionTargetBox="[191,1386,183,1784]" captionTargetId="figure@5.[191,1386,183,1785]" captionTargetPageId="5" captionText="FIGURE 3. Pirabasoporella atalaiaensis n. sp. A, general view of the holotype (collection number MG-UFPA 6200 - I). B, detail of holotype showing arrangement of the autozooids and struts. C, detail of paratype (collection number MG-UFPA 6201 - I) showing well-pronounced apertural pseudosinus and suboral avicularium. D, detail of paratype (collection number MG- UFPA 6202 - I) showing larger frontal avicularia. E, close-up of aperture with small suboral avicularium and well-pronounced pseudosinus (collection number MG-UFPA 6203 - I). F, paratype (collection number MG-UFPA 6203 - I) showing frontal avicularia and pseudopores on frontal shield. G, abfrontal view of paratype (collection number MG-UFPA 6204 - I) showing arrangement of rhizoid pores. Scale bars: A, 1 mm; B G, 100 µm." httpUri="https://zenodo.org/record/224551/files/figure.png" pageId="7" pageNumber="105">Fig. 3</figureCitation>
B). Large frontal avicularia were exclusively found in colonies that were composed of older or even ephebic (gerontic) zooids, some orifices of which were sealed off by frontal calcification (
<figureCitation id="F4FF2A2DFF90FFDD51BAFBBCFE29FBF0" box="[388,454,1050,1075]" captionStart="FIGURE 3" captionStartId="5.[151,250,1816,1838]" captionTargetBox="[191,1386,183,1784]" captionTargetId="figure@5.[191,1386,183,1785]" captionTargetPageId="5" captionText="FIGURE 3. Pirabasoporella atalaiaensis n. sp. A, general view of the holotype (collection number MG-UFPA 6200 - I). B, detail of holotype showing arrangement of the autozooids and struts. C, detail of paratype (collection number MG-UFPA 6201 - I) showing well-pronounced apertural pseudosinus and suboral avicularium. D, detail of paratype (collection number MG- UFPA 6202 - I) showing larger frontal avicularia. E, close-up of aperture with small suboral avicularium and well-pronounced pseudosinus (collection number MG-UFPA 6203 - I). F, paratype (collection number MG-UFPA 6203 - I) showing frontal avicularia and pseudopores on frontal shield. G, abfrontal view of paratype (collection number MG-UFPA 6204 - I) showing arrangement of rhizoid pores. Scale bars: A, 1 mm; B G, 100 µm." httpUri="https://zenodo.org/record/224551/files/figure.png" pageId="7" pageNumber="105">Fig. 3</figureCitation>
D, zooid at lower left). Thus, we consider intercolonial morphological variability to be the result of ontogenetic change, not of interspecific differences. Frontal thickening of zooids and an increase in strut diameter is likely to be explained by the necessity to reinforce an expanding colony.
</paragraph>
</subSubSection>
</treatment>
</document>