treatments-xml/data/44/75/DB/4475DBB3E86E50BD8CCAA7CFF1FB77F4.xml
2024-06-21 12:34:57 +02:00

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<document ID-DOI="http://dx.doi.org/10.3897/zse.99.97944" ID-Pensoft-Pub="1860-0743-1-149" ID-Pensoft-UUID="2CEFB5445B595BCF9C89229F6A349C76" ID-ZooBank="D39CCABAE7E04D64BCC854371D9BE612" ModsDocID="1860-0743-99-1-149" checkinTime="1677176365165" checkinUser="pensoft" docAuthor="Jimi, Naoto, Fujita, Toshihiko &amp; Woo, Sau Pinn" docDate="2023" docId="4475DBB3E86E50BD8CCAA7CFF1FB77F4" docLanguage="en" docName="ZoosystEvol 99(1): 149-159" docOrigin="Zoosystematics and Evolution 99 (1)" docPubDate="2023-02-23" docSource="http://dx.doi.org/10.3897/zse.99.97944" docTitle="Daylithos langkawiensis Jimi &amp; Fujita &amp; Woo 2023, sp. nov." docType="treatment" docUuid="81A08A40-19BB-4151-9F1A-CA8A4EF8AE69" docUuidSource="ZooBank" docVersion="1" id="2CEFB5445B595BCF9C89229F6A349C76" lastPageNumber="149" masterDocId="2CEFB5445B595BCF9C89229F6A349C76" masterDocTitle="Four new species of coral- and rock-boring polychaetes Daylithos (Annelida, Flabelligeridae) from the Pacific Ocean" masterLastPageNumber="159" masterPageNumber="149" pageNumber="149" updateTime="1677176365165" updateUser="pensoft">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Four new species of coral- and rock-boring polychaetes Daylithos (Annelida, Flabelligeridae) from the Pacific Ocean</mods:title>
</mods:titleInfo>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Jimi, Naoto</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-8586-3320</mods:nameIdentifier>
<mods:affiliation>Sugashima Marine Biological Laboratory, Graduate School of Science, Nagoya University, 429 - 63 Sugashima, Toba 517 - 0004, Mie, Japan &amp; Centre for Marine &amp; Coastal Studies, Universiti Sains Malaysia, USM, Penang 11800, Malaysia</mods:affiliation>
<mods:nameIdentifier type="email">beniimo7010@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Fujita, Toshihiko</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0003-0334-1794</mods:nameIdentifier>
<mods:affiliation>National Museum of Nature and Science, 4 - 1 - 1 Amakubo, Tsukuba 305 - 0005, Ibaraki, Japan</mods:affiliation>
</mods:name>
<mods:name type="personal">
<mods:role>
<mods:roleTerm>Author</mods:roleTerm>
</mods:role>
<mods:namePart>Woo, Sau Pinn</mods:namePart>
<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0002-7016-6466</mods:nameIdentifier>
<mods:affiliation>Centre for Marine &amp; Coastal Studies, Universiti Sains Malaysia, USM, Penang 11800, Malaysia</mods:affiliation>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>Zoosystematics and Evolution</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2023</mods:date>
<mods:detail type="pubDate">
<mods:number>2023-02-23</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>99</mods:number>
</mods:detail>
<mods:detail type="issue">
<mods:number>1</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>149</mods:start>
<mods:end>159</mods:end>
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<mods:url>http://dx.doi.org/10.3897/zse.99.97944</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zse.99.97944</mods:identifier>
<mods:identifier type="Pensoft-Pub">1860-0743-1-149</mods:identifier>
<mods:identifier type="ZooBank">D39CCABAE7E04D64BCC854371D9BE612</mods:identifier>
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<subSection pageId="0" pageNumber="149" type="results">
<treatment LSID="urn:lsid:zoobank.org:act:81A08A40-19BB-4151-9F1A-CA8A4EF8AE69" httpUri="http://treatment.plazi.org/id/4475DBB3E86E50BD8CCAA7CFF1FB77F4" lastPageNumber="149" pageId="0" pageNumber="149">
<subSubSection pageId="0" pageNumber="149" type="nomenclature">
<paragraph pageId="0" pageNumber="149">
<taxonomicName LSID="https://zoobank.org/81A08A40-19BB-4151-9F1A-CA8A4EF8AE69" authority="Jimi &amp; Fujita &amp; Woo, 2023" authorityName="Jimi &amp; Fujita &amp; Woo" authorityYear="2023" class="Polychaeta" family="Flabelligeridae" genus="Daylithos" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Daylithos langkawiensis" order="Terebellida" pageId="0" pageNumber="149" phylum="Annelida" rank="species" species="langkawiensis" status="sp. nov.">Daylithos langkawiensis</taxonomicName>
<taxonomicNameLabel pageId="0" pageNumber="149">sp. nov.</taxonomicNameLabel>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="149" type="description">
<paragraph pageId="0" pageNumber="149">
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Daylithos langkawiensis sp. nov. Holotype (USMCRC-Pol 001). A. Whole body, lateral view; B. Anterior end, lateral view; C. Prostomium, lateral view, covered by branchial plate; D. Prostomium, frontal view; E. Notochaetae, chaetiger 12; F. Distal part of notochaetae; G. Basal part of notochaetae; H. Neurohook, chaetiger 12; I. Middle part of neurohook. 5 mm (A, B); 1 mm (C, D); 200 μm (E); 100 μm (F); 200 μm (G); 100 μm (H); 50 μm (I). Abbreviations: bp, branchial plate; br, branchiae; p, palp; dl, dorsal lip; ll, lateral lip." figureDoi="10.3897/zse.99.97944.figure5" httpUri="https://binary.pensoft.net/fig/814854" pageId="0" pageNumber="149">Fig. 5</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="149" type="materials_examined">
<paragraph pageId="0" pageNumber="149">Material examined.</paragraph>
<paragraph pageId="0" pageNumber="149">
<materialsCitation collectingDate="2018-03-11" country="Malaysia" elevation="4" latitude="6.4473" location="Pulau Dangli" longLatPrecision="7" longitude="99.7774" municipality="Langkawi" specimenCount="1" typeStatus="Holotype">
<emphasis bold="true" italics="true" pageId="0" pageNumber="149">
<typeStatus>Holotype</typeStatus>
</emphasis>
(USMCRC-Pol001): complete, south coast of
<location LSID="urn:lsid:plazi:treatment:4475DBB3E86E50BD8CCAA7CFF1FB77F4:D8167A236FCBC0E8FE3FFD7F8D7B5BD8" country="Malaysia" latitude="6.4473" longLatPrecision="7" longitude="99.7774" municipality="Langkawi" name="Pulau Dangli">Pulau Dangli</location>
,
<collectingMunicipality>Langkawi</collectingMunicipality>
,
<collectingCountry name="Malaysia">Malaysia</collectingCountry>
(
<geoCoordinate degrees="6.4473" direction="north" orientation="latitude" precision="5" value="6.4473">6.4473°N</geoCoordinate>
,
<geoCoordinate degrees="99.7774" direction="east" orientation="longitude" precision="5" value="99.7774">99.7774°E</geoCoordinate>
),
<elevation metricMagnitude="0" metricUnit="m" metricValue="4.0" metricValueMax="5.0" metricValueMin="3.0" unit="m" value="4.0" valueMax="5.0" valueMin="3.0">
<quantity metricMagnitude="0" metricUnit="m" metricValue="4.0" metricValueMax="5.0" metricValueMin="3.0" unit="m" value="4.0" valueMax="5.0" valueMin="3.0">3-5 m</quantity>
depth
</elevation>
, collected by SCUBA, Naoto Jimi,
<collectingDate value="2018-03-11">11 Mar 2018</collectingDate>
</materialsCitation>
.
<materialsCitation collectingDate="2018-03-11" country="Malaysia" elevation="4" latitude="6.4473" location="Pulau Dangli" longLatPrecision="7" longitude="99.7774" municipality="Langkawi" specimenCount="four" typeStatus="Paratypes">
<emphasis bold="true" italics="true" pageId="0" pageNumber="149">
<typeStatus>Paratypes</typeStatus>
</emphasis>
(USMCRC-Pol002):
<specimenCount type="generic">four specimens</specimenCount>
, complete, collected from same locality as holotype,
<collectingDate value="2018-03-11">11 Mar 2018</collectingDate>
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="149" type="description">
<paragraph pageId="0" pageNumber="149">Description.</paragraph>
<paragraph pageId="0" pageNumber="149">
Body 38 mm in total length (30-40 mm in paratypes), 4 mm in width (3-5 mm in width), 85 chaetigers (54-80 chaetigers in paratypes), greyish, cylindrical, tapering posteriorly into flat cauda (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Daylithos langkawiensis sp. nov. Holotype (USMCRC-Pol 001). A. Whole body, lateral view; B. Anterior end, lateral view; C. Prostomium, lateral view, covered by branchial plate; D. Prostomium, frontal view; E. Notochaetae, chaetiger 12; F. Distal part of notochaetae; G. Basal part of notochaetae; H. Neurohook, chaetiger 12; I. Middle part of neurohook. 5 mm (A, B); 1 mm (C, D); 200 μm (E); 100 μm (F); 200 μm (G); 100 μm (H); 50 μm (I). Abbreviations: bp, branchial plate; br, branchiae; p, palp; dl, dorsal lip; ll, lateral lip." figureDoi="10.3897/zse.99.97944.figure5" httpUri="https://binary.pensoft.net/fig/814854" pageId="0" pageNumber="149">5A</figureCitation>
). Tunic thin, without sediment particles, pale. Dorsal shield flat, without depression or projection (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Daylithos langkawiensis sp. nov. Holotype (USMCRC-Pol 001). A. Whole body, lateral view; B. Anterior end, lateral view; C. Prostomium, lateral view, covered by branchial plate; D. Prostomium, frontal view; E. Notochaetae, chaetiger 12; F. Distal part of notochaetae; G. Basal part of notochaetae; H. Neurohook, chaetiger 12; I. Middle part of neurohook. 5 mm (A, B); 1 mm (C, D); 200 μm (E); 100 μm (F); 200 μm (G); 100 μm (H); 50 μm (I). Abbreviations: bp, branchial plate; br, branchiae; p, palp; dl, dorsal lip; ll, lateral lip." figureDoi="10.3897/zse.99.97944.figure5" httpUri="https://binary.pensoft.net/fig/814854" pageId="0" pageNumber="149">5B</figureCitation>
). Body papillae minute, distally rounded, arranged in two rows per segment, posterior row papillae longer than anterior. Gonopodial lobes not seen. Neuropodial base of chaetiger 5 slightly developed.
</paragraph>
<caption doi="10.3897/zse.99.97944.figure5" httpUri="https://binary.pensoft.net/fig/814854" pageId="0" pageNumber="149" start="Figure 5" startId="F5">
<paragraph pageId="0" pageNumber="149">
<emphasis bold="true" pageId="0" pageNumber="149">Figure 5.</emphasis>
<taxonomicName authorityName="Jimi &amp; Fujita &amp; Woo" authorityYear="2023" class="Polychaeta" family="Flabelligeridae" genus="Daylithos" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Daylithos langkawiensis" order="Terebellida" pageId="0" pageNumber="149" phylum="Annelida" rank="species" species="langkawiensis">
<emphasis italics="true" pageId="0" pageNumber="149">Daylithos langkawiensis</emphasis>
</taxonomicName>
sp. nov. Holotype (USMCRC-Pol001).
<emphasis bold="true" pageId="0" pageNumber="149">A.</emphasis>
Whole body, lateral view;
<emphasis bold="true" pageId="0" pageNumber="149">B.</emphasis>
Anterior end, lateral view;
<emphasis bold="true" pageId="0" pageNumber="149">C.</emphasis>
Prostomium, lateral view, covered by branchial plate;
<emphasis bold="true" pageId="0" pageNumber="149">D.</emphasis>
Prostomium, frontal view;
<emphasis bold="true" pageId="0" pageNumber="149">E.</emphasis>
Notochaetae, chaetiger 12;
<emphasis bold="true" pageId="0" pageNumber="149">F.</emphasis>
Distal part of notochaetae;
<emphasis bold="true" pageId="0" pageNumber="149">G.</emphasis>
Basal part of notochaetae;
<emphasis bold="true" pageId="0" pageNumber="149">H.</emphasis>
Neurohook, chaetiger 12;
<emphasis bold="true" pageId="0" pageNumber="149">I.</emphasis>
Middle part of neurohook. 5 mm (
<emphasis bold="true" pageId="0" pageNumber="149">A, B</emphasis>
); 1 mm (
<emphasis bold="true" pageId="0" pageNumber="149">C, D</emphasis>
); 200
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="149">E</emphasis>
); 100
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="149">F</emphasis>
); 200
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="149">G</emphasis>
); 100
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="149">H</emphasis>
); 50
<normalizedToken originalValue="μm">μm</normalizedToken>
(
<emphasis bold="true" pageId="0" pageNumber="149">I</emphasis>
). Abbreviations: bp, branchial plate; br, branchiae; p, palp; dl, dorsal lip; ll, lateral lip.
</paragraph>
</caption>
<paragraph pageId="0" pageNumber="149">
Prostomium oval, completely covered by branchial plate (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Daylithos langkawiensis sp. nov. Holotype (USMCRC-Pol 001). A. Whole body, lateral view; B. Anterior end, lateral view; C. Prostomium, lateral view, covered by branchial plate; D. Prostomium, frontal view; E. Notochaetae, chaetiger 12; F. Distal part of notochaetae; G. Basal part of notochaetae; H. Neurohook, chaetiger 12; I. Middle part of neurohook. 5 mm (A, B); 1 mm (C, D); 200 μm (E); 100 μm (F); 200 μm (G); 100 μm (H); 50 μm (I). Abbreviations: bp, branchial plate; br, branchiae; p, palp; dl, dorsal lip; ll, lateral lip." figureDoi="10.3897/zse.99.97944.figure5" httpUri="https://binary.pensoft.net/fig/814854" pageId="0" pageNumber="149">5C</figureCitation>
). Eyes present, blackish. Caruncle slightly exceeding the branchial plate margin. Dorsal and lateral lips present; ventral lip smaller than dorsal and lateral lips (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Daylithos langkawiensis sp. nov. Holotype (USMCRC-Pol 001). A. Whole body, lateral view; B. Anterior end, lateral view; C. Prostomium, lateral view, covered by branchial plate; D. Prostomium, frontal view; E. Notochaetae, chaetiger 12; F. Distal part of notochaetae; G. Basal part of notochaetae; H. Neurohook, chaetiger 12; I. Middle part of neurohook. 5 mm (A, B); 1 mm (C, D); 200 μm (E); 100 μm (F); 200 μm (G); 100 μm (H); 50 μm (I). Abbreviations: bp, branchial plate; br, branchiae; p, palp; dl, dorsal lip; ll, lateral lip." figureDoi="10.3897/zse.99.97944.figure5" httpUri="https://binary.pensoft.net/fig/814854" pageId="0" pageNumber="149">5D</figureCitation>
). Palps thicker than branchiae (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Daylithos langkawiensis sp. nov. Holotype (USMCRC-Pol 001). A. Whole body, lateral view; B. Anterior end, lateral view; C. Prostomium, lateral view, covered by branchial plate; D. Prostomium, frontal view; E. Notochaetae, chaetiger 12; F. Distal part of notochaetae; G. Basal part of notochaetae; H. Neurohook, chaetiger 12; I. Middle part of neurohook. 5 mm (A, B); 1 mm (C, D); 200 μm (E); 100 μm (F); 200 μm (G); 100 μm (H); 50 μm (I). Abbreviations: bp, branchial plate; br, branchiae; p, palp; dl, dorsal lip; ll, lateral lip." figureDoi="10.3897/zse.99.97944.figure5" httpUri="https://binary.pensoft.net/fig/814854" pageId="0" pageNumber="149">5C, D</figureCitation>
). Branchiae in two lateral groups, each with 30 filaments. Longest branchiae in inner rows slightly longer than outer rows. Nephridial lobes not seen.
</paragraph>
<paragraph pageId="0" pageNumber="149">
Cephalic cage chaetae about 2/7 body length, four times as long as body width (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Daylithos langkawiensis sp. nov. Holotype (USMCRC-Pol 001). A. Whole body, lateral view; B. Anterior end, lateral view; C. Prostomium, lateral view, covered by branchial plate; D. Prostomium, frontal view; E. Notochaetae, chaetiger 12; F. Distal part of notochaetae; G. Basal part of notochaetae; H. Neurohook, chaetiger 12; I. Middle part of neurohook. 5 mm (A, B); 1 mm (C, D); 200 μm (E); 100 μm (F); 200 μm (G); 100 μm (H); 50 μm (I). Abbreviations: bp, branchial plate; br, branchiae; p, palp; dl, dorsal lip; ll, lateral lip." figureDoi="10.3897/zse.99.97944.figure5" httpUri="https://binary.pensoft.net/fig/814854" pageId="0" pageNumber="149">5A, B</figureCitation>
). Chaetiger 1-2 comprising cephalic cage; chaetiger 1 with 8 notochaetae and 10 neurochaetae per side; chaetiger 2 with 6 notochaetae and 8 neurochaetae per side. Chaetiger 1 two times longer than chaetiger 2. Chaetae of chaetiger 3 three times longer than the following ones. Chaetal transition from cephalic cage to body chaetae abrupt.
</paragraph>
<paragraph pageId="0" pageNumber="149">
Notopodia poorly developed, lateral; neuropodia ventrolateral in median body. Notopodia and neuropodia widely separated. Parapodial lobes absent. Notochaetae multi-articulated capillaries, transparent, 1/5 maximum body width, 2-4 per bundle, with approximately 90 articles (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Daylithos langkawiensis sp. nov. Holotype (USMCRC-Pol 001). A. Whole body, lateral view; B. Anterior end, lateral view; C. Prostomium, lateral view, covered by branchial plate; D. Prostomium, frontal view; E. Notochaetae, chaetiger 12; F. Distal part of notochaetae; G. Basal part of notochaetae; H. Neurohook, chaetiger 12; I. Middle part of neurohook. 5 mm (A, B); 1 mm (C, D); 200 μm (E); 100 μm (F); 200 μm (G); 100 μm (H); 50 μm (I). Abbreviations: bp, branchial plate; br, branchiae; p, palp; dl, dorsal lip; ll, lateral lip." figureDoi="10.3897/zse.99.97944.figure5" httpUri="https://binary.pensoft.net/fig/814854" pageId="0" pageNumber="149">5E</figureCitation>
); articles medium-sized distally (20 times as long as wide) (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Daylithos langkawiensis sp. nov. Holotype (USMCRC-Pol 001). A. Whole body, lateral view; B. Anterior end, lateral view; C. Prostomium, lateral view, covered by branchial plate; D. Prostomium, frontal view; E. Notochaetae, chaetiger 12; F. Distal part of notochaetae; G. Basal part of notochaetae; H. Neurohook, chaetiger 12; I. Middle part of neurohook. 5 mm (A, B); 1 mm (C, D); 200 μm (E); 100 μm (F); 200 μm (G); 100 μm (H); 50 μm (I). Abbreviations: bp, branchial plate; br, branchiae; p, palp; dl, dorsal lip; ll, lateral lip." figureDoi="10.3897/zse.99.97944.figure5" httpUri="https://binary.pensoft.net/fig/814854" pageId="0" pageNumber="149">5F</figureCitation>
), short medially and basally (2/3 times as long as wide) (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Daylithos langkawiensis sp. nov. Holotype (USMCRC-Pol 001). A. Whole body, lateral view; B. Anterior end, lateral view; C. Prostomium, lateral view, covered by branchial plate; D. Prostomium, frontal view; E. Notochaetae, chaetiger 12; F. Distal part of notochaetae; G. Basal part of notochaetae; H. Neurohook, chaetiger 12; I. Middle part of neurohook. 5 mm (A, B); 1 mm (C, D); 200 μm (E); 100 μm (F); 200 μm (G); 100 μm (H); 50 μm (I). Abbreviations: bp, branchial plate; br, branchiae; p, palp; dl, dorsal lip; ll, lateral lip." figureDoi="10.3897/zse.99.97944.figure5" httpUri="https://binary.pensoft.net/fig/814854" pageId="0" pageNumber="149">5G</figureCitation>
). Neurochaetae multi-articulated aristate capillaries in chaetigers 1 to 7, aristate capillaries, 3 per bundle. Neurohooks present in chaetiger 8, arranged in short transverse rows, golden (Fig.
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. Daylithos langkawiensis sp. nov. Holotype (USMCRC-Pol 001). A. Whole body, lateral view; B. Anterior end, lateral view; C. Prostomium, lateral view, covered by branchial plate; D. Prostomium, frontal view; E. Notochaetae, chaetiger 12; F. Distal part of notochaetae; G. Basal part of notochaetae; H. Neurohook, chaetiger 12; I. Middle part of neurohook. 5 mm (A, B); 1 mm (C, D); 200 μm (E); 100 μm (F); 200 μm (G); 100 μm (H); 50 μm (I). Abbreviations: bp, branchial plate; br, branchiae; p, palp; dl, dorsal lip; ll, lateral lip." figureDoi="10.3897/zse.99.97944.figure5" httpUri="https://binary.pensoft.net/fig/814854" pageId="0" pageNumber="149">5H, I</figureCitation>
), 2-4 per ramus in anterior chaetigers, 2-6 in posterior chaetigers, curved, articles very short, anchylosed.
</paragraph>
<paragraph pageId="0" pageNumber="149">Posterior end depressed; pygidium with anus terminal, anal cirri absent.</paragraph>
<paragraph pageId="0" pageNumber="149">Oocytes inside middle part of body, blackish in ethanol.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="149" type="etymology">
<paragraph pageId="0" pageNumber="149">Etymology.</paragraph>
<paragraph pageId="0" pageNumber="149">this species is named after the type locality, Langkawi.</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="149" type="distribution">
<paragraph pageId="0" pageNumber="149">Distribution.</paragraph>
<paragraph pageId="0" pageNumber="149">shallow subtidal area of Langkawi Island, Malaysia; 3-5 m depth;</paragraph>
<paragraph pageId="0" pageNumber="149">
Corals as hosts of the new species are not restricted to specific species (mainly found from
<taxonomicName class="Anthozoa" family="Faviidae" kingdom="Animalia" lsidName="" order="Scleractinia" pageId="0" pageNumber="149" phylum="Cnidaria" rank="family">Faviidae</taxonomicName>
).
</paragraph>
</subSubSection>
<subSubSection pageId="0" pageNumber="149" type="remarks">
<paragraph pageId="0" pageNumber="149">Remarks.</paragraph>
<paragraph pageId="0" pageNumber="149">
<taxonomicName authorityName="Jimi &amp; Fujita &amp; Woo" authorityYear="2023" class="Polychaeta" family="Flabelligeridae" genus="Daylithos" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Daylithos langkawiensis" order="Terebellida" pageId="0" pageNumber="149" phylum="Annelida" rank="species" species="langkawiensis">
<emphasis italics="true" pageId="0" pageNumber="149">Daylithos langkawiensis</emphasis>
</taxonomicName>
sp. nov. resembles
<taxonomicName lsidName="D. iris" pageId="0" pageNumber="149" rank="species" species="iris">
<emphasis italics="true" pageId="0" pageNumber="149">D. iris</emphasis>
</taxonomicName>
(Michaelsen, 1892),
<taxonomicName lsidName="D. japonicus" pageId="0" pageNumber="149" rank="species" species="japonicus">
<emphasis italics="true" pageId="0" pageNumber="149">D. japonicus</emphasis>
</taxonomicName>
sp. nov. and
<taxonomicName lsidName="D. amamiensis" pageId="0" pageNumber="149" rank="species" species="amamiensis">
<emphasis italics="true" pageId="0" pageNumber="149">D. amamiensis</emphasis>
</taxonomicName>
sp. nov. in having a greyish body in fixed material, 2-6 neurohooks on far posterior chaetigers and flat dorsal shield as opposed to with depression. While neurohooks of the new species are present from chaetiger 8, the neurohooks of
<taxonomicName baseAuthorityName="Michaelsen" baseAuthorityYear="1892" class="Polychaeta" family="Flabelligeridae" genus="Daylithos" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Daylithos iris" order="Terebellida" pageId="0" pageNumber="149" phylum="Annelida" rank="species" species="iris">
<emphasis italics="true" pageId="0" pageNumber="149">Daylithos iris</emphasis>
</taxonomicName>
are present from chaetiger 10;
<taxonomicName lsidName="D. japonicus" pageId="0" pageNumber="149" rank="species" species="japonicus">
<emphasis italics="true" pageId="0" pageNumber="149">D. japonicus</emphasis>
</taxonomicName>
is from chaetiger 8; and
<taxonomicName lsidName="D. amamiensis" pageId="0" pageNumber="149" rank="species" species="amamiensis">
<emphasis italics="true" pageId="0" pageNumber="149">D. amamiensis</emphasis>
</taxonomicName>
is from chaetiger 7. Eyes present in the new species, while absent in
<taxonomicName lsidName="D. iris" pageId="0" pageNumber="149" rank="species" species="iris">
<emphasis italics="true" pageId="0" pageNumber="149">D. iris</emphasis>
</taxonomicName>
. Anterior row of body papillae in
<taxonomicName lsidName="D. langkawiensis" pageId="0" pageNumber="149" rank="species" species="langkawiensis">
<emphasis italics="true" pageId="0" pageNumber="149">D. langkawiensis</emphasis>
</taxonomicName>
sp. nov. are shorter than posteriorones; in
<taxonomicName lsidName="D. amamiensis" pageId="0" pageNumber="149" rank="species" species="amamiensis">
<emphasis italics="true" pageId="0" pageNumber="149">D. amamiensis</emphasis>
</taxonomicName>
sp. nov., are longer than posterior ones; anterior ones in
<taxonomicName lsidName="D. japonicus" pageId="0" pageNumber="149" rank="species" species="japonicus">
<emphasis italics="true" pageId="0" pageNumber="149">D. japonicus</emphasis>
</taxonomicName>
and the new species are similar in size to posterior rows; 5-8 neurohooks present in posterior chaetigers of
<taxonomicName lsidName="D. japonicus" pageId="0" pageNumber="149" rank="species" species="japonicus">
<emphasis italics="true" pageId="0" pageNumber="149">D. japonicus</emphasis>
</taxonomicName>
, while 2-6 neurohooks in posterior chaetigers of
<taxonomicName lsidName="D. langkawiensis" pageId="0" pageNumber="149" rank="species" species="langkawiensis">
<emphasis italics="true" pageId="0" pageNumber="149">D. langkawiensis</emphasis>
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</subSection>
</document>