treatments-xml/data/64/27/87/642787B7FF97FF9C4A696736FBFB1E3F.xml
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<document id="94DC3E828E6BF343CC63483589D61916" ID-CLB-Dataset="297206" ID-DOI="10.1093/zoolinnean/zlad122" ID-GBIF-Dataset="14104607-5c6c-466f-8afb-7f9b9eedda94" ID-ISSN="0024-4082" ID-Zenodo-Dep="11355946" IM.bibliography_approvedBy="julia" IM.illustrations_approvedBy="julia" IM.materialsCitations_approvedBy="julia" IM.metadata_approvedBy="julia" IM.tables_approvedBy="julia" IM.taxonomicNames_approvedBy="julia" IM.treatments_approvedBy="julia" checkinTime="1716364011744" checkinUser="plazi" docAuthor="Bergamo 1, Gilberto, Carrerette 1, Orlemir, Shimabukuro 1, Mauricio, Santos, Cinthya S. G. &amp; Sumida 1, Paulo Y. G." docDate="2024" docId="642787B7FF97FF9C4A696736FBFB1E3F" docLanguage="en" docName="zlad122.pdf" docOrigin="Zoological Journal of the Linnean Society 201 (201)" docStyle="DocumentStyle:36B3BD6A90C22AB4F7F465C853188CC8.7:ZoolJLinnSoc.2017-2023.journal_article" docStyleId="36B3BD6A90C22AB4F7F465C853188CC8" docStyleName="ZoolJLinnSoc.2017-2023.journal_article" docStyleVersion="7" docTitle="Nereis Linnaeus 1758" docType="treatment" docVersion="2" lastPageNumber="6" masterDocId="981EFFCFFF92FF994B77643FFFDF1A75" masterDocTitle="Revealing a new eyeless Nereis (Nereididae: Annelida) clade from deep-sea organic falls" masterLastPageNumber="31" masterPageNumber="1" pageNumber="6" updateTime="1716827186277" updateUser="ExternalLinkService">
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<mods:title id="D01004339E61497FEAEF0990E35E14AE">Revealing a new eyeless Nereis (Nereididae: Annelida) clade from deep-sea organic falls</mods:title>
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<mods:namePart id="A3C75A7E4FF8FB11DC9FAB727DADA1EA">Santos, Cinthya S. G.</mods:namePart>
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<paragraph id="EC3136A1FF97FF9C4A696736FD921956" blockId="5.[286,589,777,803]" box="[286,589,777,803]" pageId="5" pageNumber="6">
<heading id="B77981CDFF97FF9C4A696736FD921956" box="[286,589,777,803]" centered="true" fontSize="9" level="2" pageId="5" pageNumber="6" reason="2">
<emphasis id="DEFAEAB3FF97FF9C4A696736FD921956" bold="true" box="[286,589,777,803]" pageId="5" pageNumber="6">
Genus
<taxonomicName id="2B8E4D22FF97FF9C4A1F6736FD921956" ID-CoL="9G24H" authority="Linnaeus, 1758" authorityName="Linnaeus" authorityYear="1758" box="[360,589,777,803]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
<emphasis id="DEFAEAB3FF97FF9C4A1F6736FE791956" bold="true" box="[360,422,777,803]" italics="true" pageId="5" pageNumber="6">Nereis</emphasis>
<bibRefCitation id="881F4B50FF97FF9C4ADC6736FD921956" author="Linnaeus C" box="[427,589,777,803]" journalOrPublisher="Vol. 1, 10 th revised edn" pageId="5" pageNumber="6" refId="ref20374" refString="Linnaeus C. Systema Naturae per regna tria Naturae, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis, Vol. 1, 10 th revised edn, 1758." title="Systema Naturae per regna tria Naturae, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis" type="book" year="1758">Linnaeus, 1758</bibRefCitation>
</taxonomicName>
</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="A494652AFF97FF9C4B066774FF3019F4" pageId="5" pageNumber="6" type="taxon_list">
<paragraph id="EC3136A1FF97FF9C4B066774FF3019F4" blockId="5.[113,762,842,897]" pageId="5" pageNumber="6">
<emphasis id="DEFAEAB3FF97FF9C4B066774FF2A1917" box="[113,245,843,866]" italics="true" pageId="5" pageNumber="6">
<typeStatus id="33358803FF97FF9C4B066774FF7E1917" box="[113,161,843,866]" pageId="5" pageNumber="6">Type</typeStatus>
species:
</emphasis>
<taxonomicName id="2B8E4D22FF97FF9C4A756774FD921917" authority="Linnaeus, 1758" authorityName="Linnaeus" authorityYear="1758" box="[258,589,842,866]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="pelagica">
<emphasis id="DEFAEAB3FF97FF9C4A756774FE441917" box="[258,411,842,866]" italics="true" pageId="5" pageNumber="6">Nereis pelagica</emphasis>
<bibRefCitation id="881F4B50FF97FF9C4ADF6775FD921917" author="Linnaeus C" box="[424,589,842,866]" journalOrPublisher="Vol. 1, 10 th revised edn" pageId="5" pageNumber="6" refId="ref20374" refString="Linnaeus C. Systema Naturae per regna tria Naturae, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis, Vol. 1, 10 th revised edn, 1758." title="Systema Naturae per regna tria Naturae, Secundum Classes, Ordines, Genera, Species, cum Characteribus, Differentiis, Synonymis, Locis" type="book" year="1758">Linnaeus, 1758</bibRefCitation>
</taxonomicName>
, by subsequent designation.
</paragraph>
</subSubSection>
<subSubSection id="A494652AFF97FF9C4B06679DFBFB1E3F" pageId="5" pageNumber="6" type="discussion">
<paragraph id="EC3136A1FF97FF9C4B06679DFD871FBA" blockId="5.[113,763,930,1926]" pageId="5" pageNumber="6">
<emphasis id="DEFAEAB3FF97FF9C4B06679DFEFD19CF" box="[113,290,930,954]" italics="true" pageId="5" pageNumber="6">
Remarks:
<taxonomicName id="2B8E4D22FF97FF9C4B92679CFEFD19CF" authorityName="Linnaeus" authorityYear="1758" box="[229,290,931,954]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">Nereis</taxonomicName>
</emphasis>
is the most species-rich genus of nereidids and includes ~252 species and subspecies (
<bibRefCitation id="881F4B50FF97FF9C495967FDFD3619AF" author="Bakken T &amp; Glasby CJ &amp; Santos CSG" box="[558,745,962,986]" editor="Purschke G &amp; Boggemann M &amp; Westheide W" journalOrPublisher="Berlin: De Gruyter" pageId="5" pageNumber="6" pagination="259 - 307" refId="ref18416" refString="Bakken T, Glasby CJ, Santos CSG et al. 7.13. 3.3 Nereididae Blainville, 1818. In: Purschke G, Boggemann M, Westheide W (eds.), Handbook of Zoology, Vol. 4, Pleistoannelida, Errantia II. Berlin: De Gruyter, 2022, 259 - 307." title="3.3 Nereididae Blainville, 1818" type="journal article" volumeTitle="Handbook of Zoology, Vol. 4, Pleistoannelida, Errantia II." year="2022">
Bakken
<emphasis id="DEFAEAB3FF97FF9C49F767FCFD6F19AF" box="[640,688,962,986]" italics="true" pageId="5" pageNumber="6">et al.</emphasis>
2022
</bibRefCitation>
). Although the last attempt to list all
<taxonomicName id="2B8E4D22FF97FF9C4AA467DDFD81198C" box="[467,606,993,1017]" pageId="5" pageNumber="6">
<emphasis id="DEFAEAB3FF97FF9C4AA467DDFDCF198C" box="[467,528,994,1017]" italics="true" pageId="5" pageNumber="6">Nereis</emphasis>
species
</taxonomicName>
was conducted by
<bibRefCitation id="881F4B50FF97FF9C4BF8603EFEE41E6D" author="Hartman O" box="[143,315,1024,1048]" journalOrPublisher="Occasional Papers of the Allan Hancock Foundation" pageId="5" pageNumber="6" pagination="1 - 353" part="23" refId="ref19651" refString="Hartman O. Catalogue of the Polychaetous Annelids of the World. Parts 1 and 2. Occasional Papers of the Allan Hancock Foundation 1959; 23: 1 - 353." title="Catalogue of the Polychaetous Annelids of the World. Parts 1 and 2." type="journal article" year="1959">Hartman (1959)</bibRefCitation>
, it is still the best overview of described species (
<bibRefCitation id="881F4B50FF97FF9C4BD0601FFE7C1E4D" author="Bakken T &amp; Wilson RS" box="[167,419,1056,1080]" journalOrPublisher="Zoologica Scripta" pageId="5" pageNumber="6" pagination="507 - 47" part="34" refId="ref18360" refString="Bakken T, Wilson RS. Phylogeny of nereidids (Polychaeta, Nereididae) with paragnaths. Zoologica Scripta 2005; 34: 507 - 47." title="Phylogeny of nereidids (Polychaeta, Nereididae) with paragnaths" type="journal article" year="2005">Bakken and Wilson 2005</bibRefCitation>
). The diagnosis of the genus is too broad, and synapomorphies are sometimes homoplastic, such as the presence of homogomph notopodial falcigers, also present in
<taxonomicName id="2B8E4D22FF97FF9C4BFA6041FF001EE0" authorityName="Malmgren" authorityYear="1865" box="[141,223,1150,1173]" class="Polychaeta" family="Nereididae" genus="Eunereis" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
<emphasis id="DEFAEAB3FF97FF9C4BFA6041FF001EE0" box="[141,223,1150,1173]" italics="true" pageId="5" pageNumber="6">Eunereis</emphasis>
</taxonomicName>
, for example (
<bibRefCitation id="881F4B50FF97FF9C4A0E6041FD5F1EE3" author="Bakken T &amp; Wilson RS" box="[377,640,1150,1174]" journalOrPublisher="Zoologica Scripta" pageId="5" pageNumber="6" pagination="507 - 47" part="34" refId="ref18360" refString="Bakken T, Wilson RS. Phylogeny of nereidids (Polychaeta, Nereididae) with paragnaths. Zoologica Scripta 2005; 34: 507 - 47." title="Phylogeny of nereidids (Polychaeta, Nereididae) with paragnaths" type="journal article" year="2005">Bakken and Wilson 2005</bibRefCitation>
). The presence of homogomph falcigers in posterior notopodia also distinguishes
<taxonomicName id="2B8E4D22FF97FF9C4BA96082FEC41EA1" authorityName="Linnaeus" authorityYear="1758" box="[222,283,1213,1236]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
<emphasis id="DEFAEAB3FF97FF9C4BA96082FEC41EA1" box="[222,283,1213,1236]" italics="true" pageId="5" pageNumber="6">Nereis</emphasis>
</taxonomicName>
from
<taxonomicName id="2B8E4D22FF97FF9C4A216083FDB41EA0" authority="(Fauchald 1977 a)" baseAuthorityName="Fauchald" baseAuthorityYear="1977" box="[342,619,1212,1237]" class="Polychaeta" family="Nereididae" genus="Neanthes" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
<emphasis id="DEFAEAB3FF97FF9C4A216083FE6F1EA1" box="[342,432,1212,1236]" italics="true" pageId="5" pageNumber="6">Neanthes</emphasis>
(
<bibRefCitation id="881F4B50FF97FF9C4AB76083FDBF1EA0" author="Fauchald K" box="[448,608,1212,1237]" journalOrPublisher="Natural History Museum of Los Angeles County Science Series" pageId="5" pageNumber="6" pagination="1 - 188" part="28" refId="ref19108" refString="Fauchald K. The polychaete worms. Definitions and keys to the orders, families and genera. Natural History Museum of Los Angeles County Science Series 1977 a; 28: 1 - 188." title="The polychaete worms. Definitions and keys to the orders, families and genera" type="journal article" year="1977">Fauchald 1977a</bibRefCitation>
)
</taxonomicName>
, which causes problems of species delimitation, considering the small number and the fragility of these chaetae. Besides, other situations can compromise the identifications, such as incomplete original descriptions (
<bibRefCitation id="881F4B50FF97FF9C4B926105FEA41F27" author="Fauchald K" box="[229,379,1338,1362]" journalOrPublisher="Allan Hancock Monographs in Marine Biology" pageId="5" pageNumber="6" pagination="1 - 90" part="7" refId="ref19073" refString="Fauchald K. Benthic polychaetous annelids from deep water off western Mexico and adjacent areas in the eastern Pacific Ocean. Allan Hancock Monographs in Marine Biology 1972; 7: 1 - 90." title="Benthic polychaetous annelids from deep water off western Mexico and adjacent areas in the eastern Pacific Ocean" type="journal article" year="1972">Fauchald 1972</bibRefCitation>
), descriptions from a single specimen or only a few heteronereidid specimens, and modifications on posterior parapodia and chaetae, making heteronereidid specimens difficult to identify (
<bibRefCitation id="881F4B50FF97FF9C4A0E61A7FDA91FC5" author="Bakken T &amp; Wilson RS" box="[377,630,1432,1456]" journalOrPublisher="Zoologica Scripta" pageId="5" pageNumber="6" pagination="507 - 47" part="34" refId="ref18360" refString="Bakken T, Wilson RS. Phylogeny of nereidids (Polychaeta, Nereididae) with paragnaths. Zoologica Scripta 2005; 34: 507 - 47." title="Phylogeny of nereidids (Polychaeta, Nereididae) with paragnaths" type="journal article" year="2005">Bakken and Wilson 2005</bibRefCitation>
), in addition to descriptions based on incomplete specimens.
</paragraph>
<paragraph id="EC3136A1FF97FF9C4BFA61E9FCA6191A" blockId="5.[113,763,930,1926]" lastBlockId="5.[810,1459,667,1098]" pageId="5" pageNumber="6">
These taxonomic issues hamper both a revision of the genus and a phylogenetic analysis considering both morphological and molecular data. In fact, morphological phylogenetic analyses of nereidids are scarce and include one or a few species of
<taxonomicName id="2B8E4D22FF97FF9C49CF620AFD2A1C39" authorityName="Linnaeus" authorityYear="1758" box="[696,757,1589,1612]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
<emphasis id="DEFAEAB3FF97FF9C49CF620AFD2A1C39" box="[696,757,1589,1612]" italics="true" pageId="5" pageNumber="6">Nereis</emphasis>
</taxonomicName>
, such as the study of
<bibRefCitation id="881F4B50FF97FF9C4A30626BFDCC1C19" author="Santos CSG &amp; Pleijel F &amp; Lana P" box="[327,531,1620,1644]" journalOrPublisher="Invertebrate Systematics" pageId="5" pageNumber="6" pagination="557 - 76" part="19" refId="ref21277" refString="Santos CSG, Pleijel F, Lana P et al. Phylogenetic relationships within Nereididae (Annelida: Phyllodocida). Invertebrate Systematics 2006; 19: 557 - 76." title="Phylogenetic relationships within Nereididae (Annelida: Phyllodocida)" type="journal article" year="2006">
Santos
<emphasis id="DEFAEAB3FF97FF9C4AE5626BFE1D1C19" box="[402,450,1620,1644]" italics="true" pageId="5" pageNumber="6">et al.</emphasis>
(2006)
</bibRefCitation>
, who aimed to understand the cladistic relationship of the subfamilies.
<bibRefCitation id="881F4B50FF97FF9C49F7624CFED41CDF" author="Bakken T &amp; Wilson RS" journalOrPublisher="Zoologica Scripta" pageId="5" pageNumber="6" pagination="507 - 47" part="34" refId="ref18360" refString="Bakken T, Wilson RS. Phylogeny of nereidids (Polychaeta, Nereididae) with paragnaths. Zoologica Scripta 2005; 34: 507 - 47." title="Phylogeny of nereidids (Polychaeta, Nereididae) with paragnaths" type="journal article" year="2005">Bakken and Wilson (2005)</bibRefCitation>
conducted an analysis of nereidids with pharyngeal paragnaths including five
<taxonomicName id="2B8E4D22FF97FF9C4AD0628DFDEB1CBF" box="[423,564,1714,1738]" pageId="5" pageNumber="6">
<emphasis id="DEFAEAB3FF97FF9C4AD0628DFE3B1CBC" box="[423,484,1714,1737]" italics="true" pageId="5" pageNumber="6">Nereis</emphasis>
species
</taxonomicName>
and pointed to the potential paraphyly or polyphyly of the genus, although checking the monophyly of
<taxonomicName id="2B8E4D22FF97FF9C4A4D62CEFEA81D7D" authorityName="Linnaeus" authorityYear="1758" box="[314,375,1777,1800]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
<emphasis id="DEFAEAB3FF97FF9C4A4D62CEFEA81D7D" box="[314,375,1777,1800]" italics="true" pageId="5" pageNumber="6">Nereis</emphasis>
</taxonomicName>
was not the objective of that study. Interestingly, similar results were achieved with molecular phylogeny studies aiming to solve relationships between nereidid genera, thus considering only one taxon of
<taxonomicName id="2B8E4D22FF97FF9C49386370FD531D13" authorityName="Linnaeus" authorityYear="1758" box="[591,652,1871,1894]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
<emphasis id="DEFAEAB3FF97FF9C49386370FD531D13" box="[591,652,1871,1894]" italics="true" pageId="5" pageNumber="6">Nereis</emphasis>
</taxonomicName>
(the only mitochondrial genome available for
<taxonomicName id="2B8E4D22FF97FF9C4A9D6351FDF81DF0" authorityName="Linnaeus" authorityYear="1758" box="[490,551,1902,1925]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
<emphasis id="DEFAEAB3FF97FF9C4A9D6351FDF81DF0" box="[490,551,1902,1925]" italics="true" pageId="5" pageNumber="6">Nereis</emphasis>
</taxonomicName>
, at the time) (
<bibRefCitation id="881F4B50FF97FF9C49B46351FF011DD0" author="Alves PR &amp; Halanych KM &amp; Santos CSG" journalOrPublisher="Zoologica Scripta" pageId="5" pageNumber="6" pagination="366 - 78" part="49" refId="ref18187" refString="Alves PR, Halanych KM, Santos CSG. The phylogeny of Nereididae (Annelida) based on mitochondrial genomes. Zoologica Scripta 2020; 49: 366 - 78." title="The phylogeny of Nereididae (Annelida) based on mitochondrial genomes" type="journal article" year="2020">
Alves
<emphasis id="DEFAEAB3FF97FF9C4B0663B1FF7C1DD0" box="[113,163,1933,1957]" italics="true" pageId="5" pageNumber="6">et al.</emphasis>
2020
</bibRefCitation>
) or reinforcing the lack of monophyly of the genus (
<bibRefCitation id="881F4B50FF97FF9C4B0B6393FECA1DB1" author="Liu M &amp; Liu H &amp; Wang Q" box="[124,277,1964,1988]" journalOrPublisher="Aquatic Science and Technology" pageId="5" pageNumber="6" pagination="167 - 80" part="1" refId="ref20413" refString="Liu M, Liu H, Wang Q et al. Phylogenetic relationships of twenty-one nereids species inferring two different evolutionary origins. Aquatic Science and Technology 2013; 1: 167 - 80." title="Phylogenetic relationships of twenty-one nereids species inferring two different evolutionary origins" type="journal article" year="2013">
Liu
<emphasis id="DEFAEAB3FF97FF9C4BDF6392FF051DB1" box="[168,218,1964,1988]" italics="true" pageId="5" pageNumber="6">et al.</emphasis>
2013
</bibRefCitation>
). The recent study by
<bibRefCitation id="881F4B50FF97FF9C497F6393FD131DB1" author="Alves PR &amp; Halanych KM &amp; Silva EP" box="[520,716,1964,1988]" journalOrPublisher="Organisms Diversity &amp; Evolution" pageId="5" pageNumber="6" pagination="1 - 13" part="23" refId="ref18218" refString="Alves PR, Halanych KM, Silva EP et al. Nereididae (Annelida) phylogeny based on molecular data. Organisms Diversity &amp; Evolution 2023; 23: 1 - 13." title="Nereididae (Annelida) phylogeny based on molecular data" type="journal article" year="2023">
Alves
<emphasis id="DEFAEAB3FF97FF9C493F6392FDA51DB1" box="[584,634,1964,1988]" italics="true" pageId="5" pageNumber="6">et al.</emphasis>
(2023)
</bibRefCitation>
was important to confirm, through molecular data, the boundaries of the subfamily
<taxonomicName id="2B8E4D22FF97FF9C48CF6685FBF418A7" authorityName="Kinberg" authorityYear="1865" box="[952,1067,698,722]" class="Polychaeta" family="Nereididae" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="subFamily" subFamily="Nereidinae">Nereidinae</taxonomicName>
, to which the genus
<taxonomicName id="2B8E4D22FF97FF9C4F826684FAED18A7" authorityName="Linnaeus" authorityYear="1758" box="[1269,1330,699,722]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
<emphasis id="DEFAEAB3FF97FF9C4F826684FAED18A7" box="[1269,1330,699,722]" italics="true" pageId="5" pageNumber="6">Nereis</emphasis>
</taxonomicName>
belongs, but elucidating interspecific relationships within the genus was not the focus. These results and the lack of studies focused on
<taxonomicName id="2B8E4D22FF97FF9C4E0166C5FA6C1964" authorityName="Linnaeus" authorityYear="1758" box="[1398,1459,762,785]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
<emphasis id="DEFAEAB3FF97FF9C4E0166C5FA6C1964" box="[1398,1459,762,785]" italics="true" pageId="5" pageNumber="6">Nereis</emphasis>
</taxonomicName>
could also be explained by the few DNA sequences of
<taxonomicName id="2B8E4D22FF97FF9C4E306726FC8E1925" pageId="5" pageNumber="6">
<emphasis id="DEFAEAB3FF97FF9C4E306726FA5B1945" box="[1351,1412,793,816]" italics="true" pageId="5" pageNumber="6">Nereis</emphasis>
species
</taxonomicName>
available in GenBank in comparison to the total number of species.
</paragraph>
<paragraph id="EC3136A1FF97FF9C48316749FBFB1E3F" blockId="5.[810,1459,667,1098]" pageId="5" pageNumber="6">
Considering a unique character, such as absence of eyes, there is also a knowledge gap regarding phylogenetic analysis, with no study focusing on the systematics of eyeless species of
<taxonomicName id="2B8E4D22FF97FF9C4E226789FA4D19B8" authorityName="Linnaeus" authorityYear="1758" box="[1365,1426,950,973]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="genus">
<emphasis id="DEFAEAB3FF97FF9C4E226789FA4D19B8" box="[1365,1426,950,973]" italics="true" pageId="5" pageNumber="6">Nereis</emphasis>
</taxonomicName>
. In fact, morphological features of these eyeless species are compared only during species description, and
<taxonomicName id="2B8E4D22FF97FF9C4FAA67CBFAA81E7E" box="[1245,1399,1012,1035]" class="Polychaeta" family="Nereididae" genus="Nereis" kingdom="Animalia" order="Phyllodocida" pageId="5" pageNumber="6" phylum="Annelida" rank="species" species="tricirrata">
<emphasis id="DEFAEAB3FF97FF9C4FAA67CBFAA81E7E" box="[1245,1399,1012,1035]" italics="true" pageId="5" pageNumber="6">Nereis tricirrata</emphasis>
</taxonomicName>
is the only one of the formerly described eyeless
<taxonomicName id="2B8E4D22FF97FF9C4F98602BFAA21E5E" box="[1263,1405,1043,1067]" pageId="5" pageNumber="6">
<emphasis id="DEFAEAB3FF97FF9C4F98602BFAF31E5E" box="[1263,1324,1044,1067]" italics="true" pageId="5" pageNumber="6">Nereis</emphasis>
species
</taxonomicName>
with molecular data available.
</paragraph>
</subSubSection>
</treatment>
</document>