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<document ID-DOI="http://dx.doi.org/10.3897/zookeys.214.3291" ID-GBIF-Dataset="cc30bf23-2885-440d-89d8-cf6c36f8379b" ID-PMC="PMC3426880" ID-Pensoft-Pub="1313-2970-214-43" ID-PubMed="22936866" ModsDocAuthor="" ModsDocDate="2012" ModsDocID="1313-2970-214-43" ModsDocOrigin="ZooKeys 214" ModsDocTitle="Description of a new species of coral-inhabiting barnacle, Darwiniella angularis sp. n. (Cirripedia, Pyrgomatidae) from Taiwan" checkinTime="1451248806784" checkinUser="pensoft" docAuthor="Chen, Yi-Yang, Lin, Hsiu-Chin &amp; Chan, Benny K. K." docDate="2012" docId="603175B7F1896DA7A6EC8EB44AED2DF4" docLanguage="en" docName="ZooKeys 214: 43-74" docOrigin="ZooKeys 214" docSource="http://dx.doi.org/10.3897/zookeys.214.3291" docTitle="Darwiniella angularis Chen, Lin &amp; Chan, 2012, sp. n." docType="treatment" docVersion="4" lastPageNumber="47" masterDocId="B7492A01EA66FFCBFFC5FFE6E421FFEC" masterDocTitle="Description of a new species of coral-inhabiting barnacle, Darwiniella angularis sp. n. (Cirripedia, Pyrgomatidae) from Taiwan" masterLastPageNumber="74" masterPageNumber="43" pageNumber="45" updateTime="1668154351456" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Description of a new species of coral-inhabiting barnacle, Darwiniella angularis sp. n. (Cirripedia, Pyrgomatidae) from Taiwan</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Chen, Yi-Yang</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Lin, Hsiu-Chin</mods:namePart>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Chan, Benny K. K.</mods:namePart>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>ZooKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2012</mods:date>
<mods:detail type="volume">
<mods:number>214</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>43</mods:start>
<mods:end>74</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/zookeys.214.3291</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.214.3291</mods:identifier>
<mods:identifier type="Pensoft-Pub">1313-2970-214-43</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="152036642" LSID="urn:lsid:zoobank.org:act:FF17801C-71BB-4B1C-BF4B-F20AB02733B7" httpUri="http://treatment.plazi.org/id/603175B7F1896DA7A6EC8EB44AED2DF4" lastPageId="4" lastPageNumber="47" pageId="2" pageNumber="45">
<subSubSection pageId="2" pageNumber="45" type="nomenclature">
<paragraph pageId="2" pageNumber="45">
<taxonomicName LSID="urn:lsid:zoobank.org:act:FF17801C-71BB-4B1C-BF4B-F20AB02733B7" class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella angularis" order="Dothideales" pageId="2" pageNumber="45" phylum="Ascomycota" rank="species" species="angularis">Darwiniella angularis</taxonomicName>
<taxonomicNameLabel pageId="2" pageNumber="45">sp. n.</taxonomicNameLabel>
Figures 2-9
</paragraph>
</subSubSection>
<subSubSection pageId="2" pageNumber="45" type="material examined">
<paragraph pageId="2" pageNumber="45">Material examined.</paragraph>
<paragraph pageId="2" pageNumber="45">
HOLOTYPE. NMNS-6878-001, Lobster Cave, Siaoliouciou Island, Taiwan (
<geoCoordinate direction="north" orientation="latitude" precision="925" value="22.333334">22°20'N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="925" value="120.38333">120°23'E</geoCoordinate>
), August 2010, coll. B.K.K. Chan, on host coral
<taxonomicName class="Anthozoa" family="Acroporidae" genus="Astreopora" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Astreopora" order="Scleractinia" pageId="2" pageNumber="45" phylum="Cnidaria" rank="genus">Astreopora</taxonomicName>
sp. PARATYPES. ASIZCR000202, Turtle Tail, Turtle Island, Taiwan (
<geoCoordinate direction="north" orientation="latitude" precision="925" value="24.833334">24°50'N</geoCoordinate>
,
<geoCoordinate direction="east" orientation="longitude" precision="925" value="121.933334">121°56'E</geoCoordinate>
), October 2010, coll. B.K.K. Chan, on coral host
<taxonomicName class="Anthozoa" family="Merulinidae" genus="Cyphastrea" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cyphastrea chalcidicum" order="Scleractinia" pageId="2" pageNumber="45" phylum="Cnidaria" rank="species" species="chalcidicum">Cyphastrea chalcidicum</taxonomicName>
(
<normalizedToken originalValue="Forskål">Forskal</normalizedToken>
, 1775). ASIZCR000204, data same as ASIZCR000202. CEL-RYU-13-2 and CEL-RYU-13-3 data same as holotype. CEL-TI-1-7, CEL-TI-5-6, and CEL-TI-9-10 data same as paratype ASIZCR000202.
</paragraph>
</subSubSection>
<subSubSection pageId="2" pageNumber="45" type="diagnosis">
<paragraph pageId="2" pageNumber="45">Diagnosis.</paragraph>
<paragraph pageId="2" pageNumber="45">Scutum triangular, rostral tooth and obvious adductor plate present, basal margin of adductor plate forming obvious angle. Tergum trapezoid, spur triangular, medial furrow curved.</paragraph>
</subSubSection>
<subSubSection lastPageId="4" lastPageNumber="47" pageId="2" pageNumber="45" type="description">
<paragraph pageId="2" pageNumber="45">Description.</paragraph>
<paragraph pageId="2" pageNumber="45">(Type specimen: 6 mm in basal diameter, rostro-carinal diameter to 5.2 mm). Shell plates fully fused, purple, oval, externally surface with about 24 strip-like projections radiating from subcentral orifice to shell plate margin (Fig. 2A). Bases of shell with about 27 internal ribs radiating from rim of inner operculum (Fig. 2B). Orifice oval, long, narrow, about 1/3 length of rostro-carinal diameter.</paragraph>
<caption pageId="2" pageNumber="45">
<paragraph pageId="2" pageNumber="45">
Figure 2. Hard parts of
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella angularis" order="Dothideales" pageId="2" pageNumber="45" phylum="Ascomycota" rank="species" species="angularis">Darwiniella angularis</taxonomicName>
sp. n. A Dorsal view of shell (NMNS-6878-001) B Ventral view of shell (NMNS-6878-001) C Dorsal view of fused scutum and tergum (NMNS-6878-001) D Ventral view of fused scutum and tergum (NMNS-6878-001) E Dorsal view of fused scutum and tergum (ASIZCR000203) F Ventral view of fused scutum and tergum (ASIZCR000203) G Dorsal view of fused scutum and tergum (additional individual, CEL-RYU-13-3) H Ventral view of fused scutum and tergum (additional individual, CEL-RYU-13-3). (AP: adductor plate, AA: adductor plate angle, SP: spur, scale bar:
<normalizedToken originalValue="μm">μm</normalizedToken>
). Note the AA and SP of
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella angularis" order="Dothideales" pageId="2" pageNumber="45" phylum="Ascomycota" rank="species" species="angularis">Darwiniella angularis</taxonomicName>
sp. n. distinguish it from
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella conjugatum" order="Dothideales" pageId="2" pageNumber="45" phylum="Ascomycota" rank="species" species="conjugatum">Darwiniella conjugatum</taxonomicName>
(Darwin, 1854) (see Figure 10).
</paragraph>
</caption>
<paragraph pageId="2" pageNumber="45">
Scutum and tergum white, fused without junctions (consistent through 3 specimens, Fig. 2
<normalizedToken originalValue="CH">C-H</normalizedToken>
). Scutum triangular, width equal to height, occludent margin slightly curved, rostral tooth basally, 15 teeth along ventral surface of occludent margin, tooth size increasing gradually from apex to base. Ventral view with oval-shaped adductor muscle scar (Fig. 2D, F, H). Dorsal view with obvious adductor plate, convex, extending below basal margin of scutum, plate about 3/5 height of scutum, basal margin with obvious angle (Fig. 2C, E, G). Dorsal surface with horizontal striations, striations with row of small pores.
</paragraph>
<paragraph pageId="2" pageNumber="45">Tergum trapezoid, lateral depressor muscle crests present. Spur triangular, blunt, curved, height reaching more than 1/2 height of tergum, basal margin not obvious due to curved spur. Dorsal surface with medial furrow, curving from basal margin towards the carinal margin (Fig. 2C, E, G). Dorsal surface with horizontal striations, striations with row of small pores.</paragraph>
<paragraph lastPageId="4" lastPageNumber="47" pageId="2" pageNumber="45">
Maxilla bilobed (Fig. 3A), serrulate setae distally (Fig. 3C) and along inferior margin (Fig. 3B). Maxillule cutting edge straight, without notch, bearing row of 7 large
<pageBreakToken pageId="3" pageNumber="46" start="start">and</pageBreakToken>
3 smaller setae (Fig. 3D). Region close to cutting edge with dense fine simple setae (Fig. 3F), anterior and posterior margins with long simple setae (Fig. 3E). Mandible with 4 or 5 teeth, excluding inferior angle (inconsistent in 4 specimens, Fig. 4A, D, F, H). Second, third and fourth teeth bidentate (Fig. 4B), the first 3 teeth occupying
<pageBreakToken pageId="4" pageNumber="47" start="start">most</pageBreakToken>
of length of cutting edge. Lateral surface, lower margin and cutting edge of mandible bearing simple setae. Lower margin short, about 1/16 length of mandible, inferior angle ending in blunt angle with dense, fine setae (Fig. 4C, E, G). Mandibular palp rectangular, elongated (Fig. 5A), bearing serrulate setae distally (Fig. 5C) and inferior margin (Fig. 5B). Labrum bilobed, V-shaped notch between lobes, no or 2 sharp teeth on each side of notch (inconsistent in three specimens, Fig. 5D, G, H).
</paragraph>
<caption pageId="4" pageNumber="47">
<paragraph pageId="4" pageNumber="47">
Figure 3. Oral cone of
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella angularis" order="Dothideales" pageId="4" pageNumber="47" phylum="Ascomycota" rank="species" species="angularis">Darwiniella angularis</taxonomicName>
sp. n. A Maxilla (NMNS-6878-001) B Serrulate setae on apex C Serrulate setae on inferior margin D Maxillule (NMNS-6878-001) E Simple setae on posterior margin F Large simple setae on cutting edge G Maxillule (additional specimen, ASIZCR000202) H Maxillule (additional specimen, CEL-TI-9-10). (scale bar:
<normalizedToken originalValue="μm">μm</normalizedToken>
)
</paragraph>
</caption>
<caption pageId="4" pageNumber="47">
<paragraph pageId="4" pageNumber="47">
Figure 4. Oral cone of
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella angularis" order="Dothideales" pageId="4" pageNumber="47" phylum="Ascomycota" rank="species" species="angularis">Darwiniella angularis</taxonomicName>
sp. n. A Mandible (NMNS-6878-001) B Bidentate second tooth C Inferior angle with simple seta D Mandible (additional specimen, ASIZCR000202) E Inferior angle with simple seta F Mandible (additional specimen, CEL-TI-9-10) G Inferior angle with simple seta H Mandible (additional specimen, ASIZCR000204). (scale bar:
<normalizedToken originalValue="μm">μm</normalizedToken>
)
</paragraph>
</caption>
<caption pageId="4" pageNumber="47">
<paragraph pageId="4" pageNumber="47">
Figure 5. Oral cone of
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella angularis" order="Dothideales" pageId="4" pageNumber="47" phylum="Ascomycota" rank="species" species="angularis">Darwiniella angularis</taxonomicName>
sp. n. A Mandibular palp (NMNS-6878-001) B Serrulate setae on inferior margin C Serrulate setae distally D Labrum (NMNS-6878-001) E Teeth on labrum F Teeth on labrum G Labrum (additional specimen, CEL-TI-9-10) H Labrum (additional specimen, ASIZCR000202). (scale bar:
<normalizedToken originalValue="μm">μm</normalizedToken>
)
</paragraph>
</caption>
<paragraph pageId="4" pageNumber="47">
Cirrus I with rami unequal, anterior ramus long, slender, 14-segmented, posterior ramus 6-segmented (Figs 6A, 7A), bearing serrulate setae (Fig. 7B, C, D). Cirrus II with rami subequal, both 7-segmented (Figs 6B, 7E), bearing serrulate setae (Fig. 7F, G, H). Cirrus III with rami subequal, anterior ramus 8-segmented, posterior ramus 7-segmented (Figs 6C, 8A), bearing serrulate setae (Fig. 8B, C, D). Cirri
<normalizedToken originalValue="IVVI">IV-VI</normalizedToken>
long, slender, rami equal. Cirrus IV with anterior ramus16-segmented, posterior 15-segmented, Cirrus V (anterior 21-segmented, posterior 19-segmented), Cirrus VI (anterior 22-segmented, posterior 21-segmented) (Figs 6D, E, F, 8E, 9A, D). Intermediate segments of Cirri
<normalizedToken originalValue="IVVI">IV-VI</normalizedToken>
with 4 pairs of serrulate setae (Figs 8F, 9C, F), distal pair longest, proximal pair shortest.
</paragraph>
<caption pageId="4" pageNumber="47">
<paragraph pageId="4" pageNumber="47">
Figure 6. Line drawing of
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella angularis" order="Dothideales" pageId="4" pageNumber="47" phylum="Ascomycota" rank="species" species="angularis">Darwiniella angularis</taxonomicName>
sp. n. A Cirrus I B Cirrus II C Cirrus III D Cirrus IV E Cirrus V F Cirrus VI. (scale bar:
<normalizedToken originalValue="μm">μm</normalizedToken>
)
</paragraph>
</caption>
<caption pageId="4" pageNumber="47">
<paragraph pageId="4" pageNumber="47">
Figure 7. Cirri of
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella angularis" order="Dothideales" pageId="4" pageNumber="47" phylum="Ascomycota" rank="species" species="angularis">Darwiniella angularis</taxonomicName>
sp. n. A Cirrus I (NMNS-6878-001) B Serrulate setae on anterior ramus C Serrulate setae on anterior ramus apex D Serrulate setae on posterior ramus apex E Cirrus II (CEL-TI-1-7) F Serrulate setae on posterior ramus G Serrulate setae on anterior ramus apex H Serrulate setae on posterior ramus base. (scale bar:
<normalizedToken originalValue="μm">μm</normalizedToken>
)
</paragraph>
</caption>
<caption pageId="4" pageNumber="47">
<paragraph pageId="4" pageNumber="47">
Figure 8. Cirri of
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella angularis" order="Dothideales" pageId="4" pageNumber="47" phylum="Ascomycota" rank="species" species="angularis">Darwiniella angularis</taxonomicName>
sp. n. A Cirrus III (NMNS-6878-001) B Serrulate setae on anterior ramus C Serrulate setae distally D Serrulate setae on posterior ramus E Cirrus IV (NMNS-6878-001) F Intermediate segment with 4 pairs of serrulate setae G Intermediate segment with serrulate setae H Serrulate setae distally. (scale bar:
<normalizedToken originalValue="μm">μm</normalizedToken>
)
</paragraph>
</caption>
<caption pageId="4" pageNumber="47">
<paragraph pageId="4" pageNumber="47">
Figure 9. Cirri and penis of
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella angularis" order="Dothideales" pageId="4" pageNumber="47" phylum="Ascomycota" rank="species" species="angularis">Darwiniella angularis</taxonomicName>
sp. n. A Cirrus V (NMNS-6878-001) B Serrulate setae on apex C Intermediate segment with 4 pairs of serrulate setae D Cirrus VI (NMNS-6878-001) E Serrulate setae distally F Intermediate segment with 4 pairs of serrulate setae G Penis (CEL-TI-9-10) H Basi-dorsal point of penis I Apex of penis. (scale bar:
<normalizedToken originalValue="μm">μm</normalizedToken>
)
</paragraph>
</caption>
<paragraph pageId="4" pageNumber="47">Penis long (1.9 times length of Cirrus VI), annulated, some dark spots present, scattered short simple setae (Fig. 9G). Pedicel with basidorsal point (Fig. 9G, H), apex bearing short simple setae (Fig. 9I).</paragraph>
</subSubSection>
<subSubSection pageId="4" pageNumber="47" type="distribution">
<paragraph pageId="4" pageNumber="47">Distribution.</paragraph>
<paragraph pageId="4" pageNumber="47">At present only recorded from Taiwan.</paragraph>
</subSubSection>
<subSubSection pageId="4" pageNumber="47" type="etymology">
<paragraph pageId="4" pageNumber="47">Etymology.</paragraph>
<paragraph pageId="4" pageNumber="47">The name angularis denotes the presences of the obvious adductor plate angle, which is a diagnostic character of this species.</paragraph>
</subSubSection>
<subSubSection pageId="4" pageNumber="47" type="remarks">
<paragraph pageId="4" pageNumber="47">Remarks.</paragraph>
<paragraph pageId="4" pageNumber="47">
External shell morphology and arthropodal characters of
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella angularis" order="Dothideales" pageId="4" pageNumber="47" phylum="Ascomycota" rank="species" species="angularis">Darwiniella angularis</taxonomicName>
sp. n. are similar to
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella conjugatum" order="Dothideales" pageId="4" pageNumber="47" phylum="Ascomycota" rank="species" species="conjugatum">Darwiniella conjugatum</taxonomicName>
. However,
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella angularis" order="Dothideales" pageId="4" pageNumber="47" phylum="Ascomycota" rank="species" species="angularis">Darwiniella angularis</taxonomicName>
has an obvious adductor plate angle, whereas that of
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella conjugatum" order="Dothideales" pageId="4" pageNumber="47" phylum="Ascomycota" rank="species" species="conjugatum">Darwiniella conjugatum</taxonomicName>
is less obvious (see description below).
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella conjugatum" order="Dothideales" pageId="4" pageNumber="47" phylum="Ascomycota" rank="species" species="conjugatum">Darwiniella conjugatum</taxonomicName>
also has a sharper spur angle than
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella angularis" order="Dothideales" pageId="4" pageNumber="47" phylum="Ascomycota" rank="species" species="angularis">Darwiniella angularis</taxonomicName>
- mean
<normalizedToken originalValue="±">+/-</normalizedToken>
1 SD of the spur angle (from 10 specimens) reaching 23.6
<normalizedToken originalValue="±">+/-</normalizedToken>
4.8o in
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella conjugatum" order="Dothideales" pageId="4" pageNumber="47" phylum="Ascomycota" rank="species" species="conjugatum">Darwiniella conjugatum</taxonomicName>
and 32
<normalizedToken originalValue="±">+/-</normalizedToken>
4.6o in
<taxonomicName class="Dothideomycetes" family="Dothideaceae" genus="Darwiniella" higherTaxonomySource="CoL" kingdom="Fungi" lsidName="Darwiniella angularis" order="Dothideales" pageId="4" pageNumber="47" phylum="Ascomycota" rank="species" species="angularis">Darwiniella angularis</taxonomicName>
, which is significantly different between the two species using the t-test (t value: -4.3, df = 18, p &lt;0.05).
</paragraph>
</subSubSection>
</treatment>
</document>