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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.1053.65324" ID-GBIF-Dataset="13b1e5f2-46c1-454c-9429-255ddcc39dd7" ID-PMC="PMC8352856" ID-Pensoft-Pub="1313-2970-1053-1" ID-Pensoft-UUID="24C336C5EA905902A044FCF1B43767E9" ID-PubMed="34393555" ID-ZooBank="E67F6F86686D44AC910537FF58BC2183" ModsDocID="1313-2970-1053-1" checkinTime="1627926303636" checkinUser="pensoft" docAuthor="Martino, Emanuela Di &amp; Rosso, Antonietta" docDate="2021" docId="5360DFB11A10559198EB6F5D4542B501" docLanguage="en" docName="ZooKeys 1053: 1-42" docOrigin="ZooKeys 1053" docPubDate="2021-08-02" docSource="http://dx.doi.org/10.3897/zookeys.1053.65324" docTitle="Microporella sp. A" docType="treatment" docVersion="4" id="24C336C5EA905902A044FCF1B43767E9" lastPageNumber="1" masterDocId="24C336C5EA905902A044FCF1B43767E9" masterDocTitle="Seek and ye shall find: new species and new records of Microporella (Bryozoa, Cheilostomatida) in the Mediterranean" masterLastPageNumber="42" masterPageNumber="1" pageNumber="1" updateTime="1668150783835" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Seek and ye shall find: new species and new records of Microporella (Bryozoa, Cheilostomatida) in the Mediterranean</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Martino, Emanuela Di</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-3892-4036</mods:nameIdentifier>
<mods:affiliation>Natural History Museum, University of Oslo - Blindern, P. O. Box 1172, Oslo 0318, Norway</mods:affiliation>
<mods:nameIdentifier type="email">e.d.martino@nhm.uio.no</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Rosso, Antonietta</mods:namePart>
<mods:affiliation>Dipartimento di Scienze Biologiche, Geologiche e Ambientali, Universita di Catania - Corso Italia 57, 95129, Catania, Italy &amp; CoNISMa - Consorzio Interuniversitario per le Scienze del Mare - Piazzale Flaminio, 9, 00196, Roma, Italy</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
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<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2021</mods:date>
<mods:detail type="pubDate">
<mods:number>2021-08-02</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>1053</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>1</mods:start>
<mods:end>42</mods:end>
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<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.1053.65324</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.1053.65324</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-1053-1</mods:identifier>
<mods:identifier type="ZooBank">E67F6F86686D44AC910537FF58BC2183</mods:identifier>
<mods:identifier type="Pensoft-UUID">24C336C5EA905902A044FCF1B43767E9</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="183907171" LSID="urn:lsid:plazi:treatment:5360DFB11A10559198EB6F5D4542B501" httpUri="http://treatment.plazi.org/id/5360DFB11A10559198EB6F5D4542B501" lastPageNumber="1" pageId="0" pageNumber="1">
<subSubSection pageId="0" pageNumber="1" type="nomenclature">
<paragraph pageId="0" pageNumber="1">
<taxonomicName LSID="5360DFB1-1A10-5591-98EB-6F5D4542B501" authority="sp. A" authorityName="sp. A" class="Gymnolaemata" family="Microporellidae" genus="Microporella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Microporella" order="Cheilostomatida" pageId="0" pageNumber="1" phylum="Bryozoa" rank="genus">Microporella sp. A</taxonomicName>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Microporella sp. A from Palinuro Cape, Scaletta cave PMC Rosso Collection I. H. B. 88 a A irregularly shaped autozooids with inconstant avicularia B close-up of two zooids with details of the orifice, the lateral condyles on the hinge-line, four or five thin oral spines and the ascopore divided by thin radial septa. Scale bars: 500 µm (A); 100 µm (B)." figureDoi="10.3897/zookeys.1053.65324.figure9" httpUri="https://binary.pensoft.net/fig/572566" pageId="0" pageNumber="1">Fig. 9</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="materials_examined">
<paragraph pageId="0" pageNumber="1">Examined material.</paragraph>
<paragraph pageId="0" pageNumber="1">
<materialsCitation collectingDate="2009-09-14" collectorName="R. Leonardi, Rosso Collection I. H. B." country="Italy" county="Scaletta" elevation="46" latitude="40.02639" location="Tyrrhenian Sea" longLatPrecision="19" longitude="15.268611" municipality="Palinuro Cape" specimenCount="1">
<collectingCountry name="Italy">Italy</collectingCountry>
• 1 dead colony fragment consisting of ca. 14 zooids (some incomplete), none fertile;
<location LSID="urn:lsid:plazi:treatment:5360DFB11A10559198EB6F5D4542B501:6FB10950BA5EB4E920E20AB0DFF23DFE" country="Italy" county="Scaletta" latitude="40.02639" longLatPrecision="19" longitude="15.268611" municipality="Palinuro Cape" name="Tyrrhenian Sea">Tyrrhenian Sea</location>
,
<collectingMunicipality>Palinuro Cape</collectingMunicipality>
,
<collectingCounty>Scaletta</collectingCounty>
submarine cave; sediment sample;
<geoCoordinate degrees="40" direction="north" minutes="1" orientation="latitude" precision="15" seconds="35" value="40.02639">40°1'35&quot;N</geoCoordinate>
,
<geoCoordinate degrees="15" direction="east" minutes="16" orientation="longitude" precision="15" seconds="7" value="15.268611">15°16'7&quot;E</geoCoordinate>
;
<quantity metricMagnitude="1" metricUnit="m" metricValue="4.6" unit="m" value="46.0">
<elevation metricMagnitude="1" metricUnit="m" metricValue="4.6" unit="m" value="46.0">46 m</elevation>
</quantity>
;
<collectingDate value="2009-09-14">14 Sep. 2009</collectingDate>
;
<collectorName>R. Leonardi</collectorName>
leg.; scuba diving; PMC
<collectorName>Rosso Collection I. H. B.</collectorName>
88a
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="description">
<paragraph pageId="0" pageNumber="1">Description.</paragraph>
<paragraph pageId="0" pageNumber="1">Colony encrusting, multiserial, unilaminar.</paragraph>
<paragraph pageId="0" pageNumber="1">
Autozooids irregularly polygonal, rounded, 435-676 (510
<normalizedToken originalValue="±">+/-</normalizedToken>
80, N = 7)
<normalizedToken originalValue="×">x</normalizedToken>
255-427
<normalizedToken originalValue="µm">µm</normalizedToken>
(342
<normalizedToken originalValue="±">+/-</normalizedToken>
68, N = 7) (mean L/W = 1.49), distinct, with interzooidal boundaries marked by a narrow, raised, gymnocystal rim (Fig.
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Microporella sp. A from Palinuro Cape, Scaletta cave PMC Rosso Collection I. H. B. 88 a A irregularly shaped autozooids with inconstant avicularia B close-up of two zooids with details of the orifice, the lateral condyles on the hinge-line, four or five thin oral spines and the ascopore divided by thin radial septa. Scale bars: 500 µm (A); 100 µm (B)." figureDoi="10.3897/zookeys.1053.65324.figure9" httpUri="https://binary.pensoft.net/fig/572566" pageId="0" pageNumber="1">9A</figureCitation>
). Frontal shield nearly flat to slightly convex, densely and coarsely granular and irregularly pseudoporous; granules 5-25
<normalizedToken originalValue="µm">µm</normalizedToken>
in diameter; 20-30 pseudopores, circular (5-12
<normalizedToken originalValue="μm">μm</normalizedToken>
in diameter), sparse in the proximal two-thirds of the zooid; 4-6 marginal areolae, usually visible at zooidal corners, circular to elliptical (10-40
<normalizedToken originalValue="µm">µm</normalizedToken>
long).
</paragraph>
<paragraph pageId="0" pageNumber="1">
Orifice transversely D-shaped, 90-107 (94
<normalizedToken originalValue="±">+/-</normalizedToken>
5, N = 10)
<normalizedToken originalValue="×">x</normalizedToken>
118-143 (132
<normalizedToken originalValue="±">+/-</normalizedToken>
9, N = 10)
<normalizedToken originalValue="µm">µm</normalizedToken>
(mean OL/OW = 0.71; mean ZL/OL = 5.43); hinge-line straight, smooth to slightly crenulated; in each corner a short, blunt, triangular condyle directed distally (Fig.
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Microporella sp. A from Palinuro Cape, Scaletta cave PMC Rosso Collection I. H. B. 88 a A irregularly shaped autozooids with inconstant avicularia B close-up of two zooids with details of the orifice, the lateral condyles on the hinge-line, four or five thin oral spines and the ascopore divided by thin radial septa. Scale bars: 500 µm (A); 100 µm (B)." figureDoi="10.3897/zookeys.1053.65324.figure9" httpUri="https://binary.pensoft.net/fig/572566" pageId="0" pageNumber="1">9B</figureCitation>
). Oral spine bases four or five, 10-18
<normalizedToken originalValue="µm">µm</normalizedToken>
in diameter, evenly spaced, the proximalmost pair at about one-third of orifice length (Fig.
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Microporella sp. A from Palinuro Cape, Scaletta cave PMC Rosso Collection I. H. B. 88 a A irregularly shaped autozooids with inconstant avicularia B close-up of two zooids with details of the orifice, the lateral condyles on the hinge-line, four or five thin oral spines and the ascopore divided by thin radial septa. Scale bars: 500 µm (A); 100 µm (B)." figureDoi="10.3897/zookeys.1053.65324.figure9" httpUri="https://binary.pensoft.net/fig/572566" pageId="0" pageNumber="1">9B</figureCitation>
).
</paragraph>
<caption doi="10.3897/zookeys.1053.65324.figure9" httpUri="https://binary.pensoft.net/fig/572566" pageId="0" pageNumber="1" start="Figure 9" startId="F9">
<paragraph pageId="0" pageNumber="1">
<emphasis bold="true" pageId="0" pageNumber="1">Figure 9.</emphasis>
<taxonomicName class="Gymnolaemata" family="Microporellidae" genus="Microporella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Microporella" order="Cheilostomatida" pageId="0" pageNumber="1" phylum="Bryozoa" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Microporella</emphasis>
</taxonomicName>
sp. A from Palinuro Cape, Scaletta cave PMC Rosso Collection I. H. B.88a
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
irregularly shaped autozooids with inconstant avicularia
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
close-up of two zooids with details of the orifice, the lateral condyles on the hinge-line, four or five thin oral spines and the ascopore divided by thin radial septa. Scale bars: 500
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="1">A</emphasis>
); 100
<normalizedToken originalValue="µm">µm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="1">B</emphasis>
).
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="1">
Ascopore field a narrow, elliptical area of smooth gymnocystal calcification (33-44
<normalizedToken originalValue="×">x</normalizedToken>
39-55
<normalizedToken originalValue="μm">μm</normalizedToken>
), placed 22-30
<normalizedToken originalValue="μm">μm</normalizedToken>
below the orifice, slightly depressed relative to the adjacent frontal shield; ascopore opening divided by thin radial septa, usually with a distinct tongue extending proximally from the distal edge (Fig.
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Microporella sp. A from Palinuro Cape, Scaletta cave PMC Rosso Collection I. H. B. 88 a A irregularly shaped autozooids with inconstant avicularia B close-up of two zooids with details of the orifice, the lateral condyles on the hinge-line, four or five thin oral spines and the ascopore divided by thin radial septa. Scale bars: 500 µm (A); 100 µm (B)." figureDoi="10.3897/zookeys.1053.65324.figure9" httpUri="https://binary.pensoft.net/fig/572566" pageId="0" pageNumber="1">9B</figureCitation>
).
</paragraph>
<paragraph pageId="0" pageNumber="1">
Avicularium single, sometimes absent (two out of 14 zooids without avicularium in the fragment available), 93-123 (107
<normalizedToken originalValue="±">+/-</normalizedToken>
12, N = 9)
<normalizedToken originalValue="×">x</normalizedToken>
70-87 (79
<normalizedToken originalValue="±">+/-</normalizedToken>
6, N = 9)
<normalizedToken originalValue="μm">μm</normalizedToken>
(mean AvL/AvW = 1.36), located distolaterally, on either side; crossbar complete; rostrum short, triangular, not channelled, directed distolaterally, sometimes slightly raised distally (Fig.
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Microporella sp. A from Palinuro Cape, Scaletta cave PMC Rosso Collection I. H. B. 88 a A irregularly shaped autozooids with inconstant avicularia B close-up of two zooids with details of the orifice, the lateral condyles on the hinge-line, four or five thin oral spines and the ascopore divided by thin radial septa. Scale bars: 500 µm (A); 100 µm (B)." figureDoi="10.3897/zookeys.1053.65324.figure9" httpUri="https://binary.pensoft.net/fig/572566" pageId="0" pageNumber="1">9A, B</figureCitation>
). Mandible, ovicells and ancestrula not observed. Subsequent intramural budding observed in avicularia.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="remarks">
<paragraph pageId="0" pageNumber="1">Remarks.</paragraph>
<paragraph pageId="0" pageNumber="1">
This species differs from its Mediterranean congeners in having a finely reticulate ascopore but it is left in open nomenclature owing to the availability of a single, infertile colony fragment. Similar ascopores can be found in
<taxonomicName class="Gymnolaemata" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="M. arctica" order="Cheilostomata" pageId="0" pageNumber="1" phylum="Bryozoa" rank="species" species="arctica">
<emphasis italics="true" pageId="0" pageNumber="1">M. arctica</emphasis>
</taxonomicName>
Norman, 1903 from Norway,
<taxonomicName class="Gymnolaemata" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="M. ketchikanensis" order="Cheilostomata" pageId="0" pageNumber="1" phylum="Bryozoa" rank="species" species="ketchikanensis">
<emphasis italics="true" pageId="0" pageNumber="1">M. ketchikanensis</emphasis>
</taxonomicName>
Dick, Grischenko &amp; Mawatari, 2005 from Alaska,
<taxonomicName class="Gymnolaemata" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="M. santabarbarensis" order="Cheilostomata" pageId="0" pageNumber="1" phylum="Bryozoa" rank="species" species="santabarbarensis">
<emphasis italics="true" pageId="0" pageNumber="1">M. santabarbarensis</emphasis>
</taxonomicName>
Soule, Chaney &amp; Morris, 2004 from southern California, and
<taxonomicName class="Gymnolaemata" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="M. stellata" order="Cheilostomata" pageId="0" pageNumber="1" phylum="Bryozoa" rank="species" species="stellata">
<emphasis italics="true" pageId="0" pageNumber="1">M. stellata</emphasis>
</taxonomicName>
(Verril, 1879) from Maine, USA.
<taxonomicName authorityName="Norman" authorityYear="1903" class="Gymnolaemata" family="Microporellidae" genus="Microporella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Microporella arctica" order="Cheilostomatida" pageId="0" pageNumber="1" phylum="Bryozoa" rank="species" species="arctica">
<emphasis italics="true" pageId="0" pageNumber="1">Microporella arctica</emphasis>
</taxonomicName>
differs from
<taxonomicName class="Gymnolaemata" family="Microporellidae" genus="Microporella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Microporella" order="Cheilostomatida" pageId="0" pageNumber="1" phylum="Bryozoa" rank="genus">
<emphasis italics="true" pageId="0" pageNumber="1">Microporella</emphasis>
</taxonomicName>
sp. A in having a finely granular frontal shield pierced by a greater number of marginal areolae that are always very distinct from pseudopores, in the lack of oral spines, and in having a smooth gymnocystal area laterally and proximally to the orifice that is continuous with the gymnocyst of the ascopore field (
<bibRefCitation DOI="https://doi.org/10.1080/00222930802126904" author="Kuklinski, P" journalOrPublisher="Journal of Natural History" pageId="0" pageNumber="1" pagination="1893 - 1906" refId="B41" refString="Kuklinski, P, Taylor, PD, 2008. Arctic species of the cheilostome bryozoan Microporella, with a redescription of the type species. Journal of Natural History 42 (27-28): 1893 - 1906, DOI: https://doi.org/10.1080/00222930802126904" title="Arctic species of the cheilostome bryozoan Microporella, with a redescription of the type species." url="https://doi.org/10.1080/00222930802126904" volume="42" year="2008">
<normalizedToken originalValue="Kukliński">Kuklinski</normalizedToken>
and Taylor 2008
</bibRefCitation>
). The ascopores of both
<taxonomicName class="Gymnolaemata" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="M. ketchikanensis" order="Cheilostomata" pageId="0" pageNumber="1" phylum="Bryozoa" rank="species" species="ketchikanensis">
<emphasis italics="true" pageId="0" pageNumber="1">M. ketchikanensis</emphasis>
</taxonomicName>
and
<taxonomicName class="Gymnolaemata" higherTaxonomySource="GBIF,CoL" kingdom="Animalia" lsidName="M. santabarbarensis" order="Cheilostomata" pageId="0" pageNumber="1" phylum="Bryozoa" rank="species" species="santabarbarensis">
<emphasis italics="true" pageId="0" pageNumber="1">M. santabarbarensis</emphasis>
</taxonomicName>
have a similar, delicate cribrate aspect but lack the distal tongue extending from the distal edge (
<bibRefCitation DOI="https://doi.org/10.1080/00222930500415195" author="Dick, MH" journalOrPublisher="Journal of Natural History" pageId="0" pageNumber="1" pagination="3687 - 3784" refId="B13" refString="Dick, MH, Grischenko, AV, Mawatari, SF, 2005. Intertidal Bryozoa (Cheilostomata) of Ketchikan, Alaska. Journal of Natural History 39 (43): 3687 - 3784, DOI: https://doi.org/10.1080/00222930500415195" title="Intertidal Bryozoa (Cheilostomata) of Ketchikan, Alaska." url="https://doi.org/10.1080/00222930500415195" volume="39" year="2005">Dick et al. 2005</bibRefCitation>
;
<bibRefCitation author="Soule, DF" journalOrPublisher="Bollettino della Societa Paleontologica Italiana" pageId="0" pageNumber="1" refId="B67" refString="Soule, DF, Chaney, HW, Morris, PA, 2004. Additional new species of Microporelloides from southern California and American Samoa. Irene McCulloch Foundation Monograph series 6A: 1-14." title="Additional new species of Microporelloides from southern California and American Samoa. Irene McCulloch Foundation Monograph series 6 A: 1 - 14." year="2004">Soule et al. 2004</bibRefCitation>
).
<taxonomicName baseAuthorityName="Verrill" baseAuthorityYear="1879" class="Gymnolaemata" family="Microporellidae" genus="Microporella" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Microporella stellata" order="Cheilostomatida" pageId="0" pageNumber="1" phylum="Bryozoa" rank="species" species="stellata">
<emphasis italics="true" pageId="0" pageNumber="1">Microporella stellata</emphasis>
</taxonomicName>
differs in having only two oral spines and a proximal orifice margin with broad, rectangular condyles (
<bibRefCitation author="Winston, JE" editor="Herrera, Cubilla A" journalOrPublisher="Smithsonian Tropical Research Institute, Balboa Republic of Panama" pageId="0" pageNumber="1" pagination="412 - 420" refId="B71" refString="Winston, JE, Hayward, PJ, Craig, SF, 2000. Marine bryozoans of the northeast coast of the United States: new and problem species. In: Herrera, Cubilla A, Jackson, JBC, Eds., Proceedings of the 11th International Bryozoology Association Conference, Republic of Panama, January 26-31, 1998. Smithsonian Tropical Research Institute, Balboa Republic of Panama: 412 - 420" title="Marine bryozoans of the northeast coast of the United States: new and problem species." volumeTitle="Proceedings of the 11 th International Bryozoology Association Conference, Republic of Panama, January 26 - 31, 1998." year="2000">Winston et al. 2000</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="1" type="distribution">
<paragraph pageId="0" pageNumber="1">Distribution and ecology.</paragraph>
<paragraph pageId="0" pageNumber="1">Presently known only from the Palinuro Peninsula, along the Tyrrhenian coast of Campania (southern Italy). A dead colony was collected from the biogenic muddy sediment covering the floor of a completely dark sector of the Scaletta submarine cave, at 46 m depth where the colony presumably lived.</paragraph>
</subSubSection>
</treatment>
</document>