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<document id="E9D051D89FA4578CF4864D2B33EE1609" ID-DOI="10.1080/00222930600711758" ID-ISSN="1464-5262" ID-Zenodo-Dep="5230027" IM.materialsCitations_approvedBy="felipe" IM.metadata_approvedBy="felipe" IM.tables_requiresApprovalFor="existingObjects,plazi" IM.taxonomicNames_approvedBy="felipe" checkinTime="1629469366285" checkinUser="felipe" docAuthor="Parapar, Julio" docDate="2006" docId="DD1C87D79E27FFB7FE417613FF26FA9C" docLanguage="en" docName="JNatHist.40.9-10.523-547.pdf" docOrigin="Journal of Natural History 40 (9 - 10)" docSource="http://dx.doi.org/10.1080/00222930600711758" docStyle="DocumentStyle:7E99CF6C63B49250F2A87C3AEDC82D8C.2:JNatHist.2005-2007.journal_article.2cover" docStyleId="7E99CF6C63B49250F2A87C3AEDC82D8C" docStyleName="JNatHist.2005-2007.journal_article.2cover" docStyleVersion="2" docTitle="Myriochele olgae Blake 2000" docType="treatment" docVersion="3" lastPageNumber="536" masterDocId="2125FFAF9E2BFFB8FF9C7028FFECFFEE" masterDocTitle="The genera Myriochele and Myrioglobula (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of Myriochele heeri Malmgren, 1867, and the description of a new species" masterLastPageNumber="547" masterPageNumber="523" pageNumber="533" updateTime="1699074360837" updateUser="plazi" zenodo-license-document="CC-BY-4.0" zenodo-license-figures="CC-BY-4.0">
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<mods:title id="D015C516A95ADDB454B4DDF41D0595CB">The genera Myriochele and Myrioglobula (Polychaeta, Oweniidae) in Icelandic waters with the revision of type material of Myriochele heeri Malmgren, 1867, and the description of a new species</mods:title>
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<taxonomicName id="92B54D429E27FFB4FE417613FCA2F9BD" ID-CoL="458PR" authority="Blake, 2000" authorityName="Blake" authorityYear="2000" box="[477,846,1595,1619]" class="Polychaeta" family="Oweniidae" genus="Myriochele" kingdom="Animalia" order="Sabellida" pageId="12" pageNumber="533" phylum="Annelida" rank="species" species="olgae">
<emphasis id="67C1EAD39E27FFB4FE417613FD55F9BD" bold="true" box="[477,697,1595,1619]" italics="true" pageId="12" pageNumber="533">Myriochele olgae</emphasis>
<bibRefCitation id="31244B309E27FFB4FD5E7613FCA2F9BD" author="Blake JA" box="[706,846,1595,1619]" pageId="12" pageNumber="533" pagination="97 - 127" refId="ref10932" refString="Blake JA. 2000. Family Oweniidae Rioja, 1917. In: Blake JA, Hilbig B, Scott PV, editors. Taxonomic atlas of the benthic fauna of the Santa Maria Basin and the Western Santa Barbara Channel. Volume 7, The Annelida part 4: Polychaeta: Flabelligeridae to Sternaspidae. Santa Barbara (CA): Santa Barbara Museum of Natural History. p 97 - 127." type="book chapter" year="2000">Blake, 2000</bibRefCitation>
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<paragraph id="550A36C19E27FFB4FEA17674FC02F99A" blockId="12.[138,1006,1595,1685]" box="[317,1006,1628,1652]" pageId="12" pageNumber="533">
(
<figureCitation id="CD8E2A449E27FFB4FED97674FE5FF99A" box="[325,435,1628,1652]" captionStart="Figure 2" captionStartId="5.[125,185,1154,1173]" captionTargetBox="[127,1171,135,1116]" captionTargetId="figure-151@5.[125,1173,133,1118]" captionTargetPageId="5" captionText="Figure 2. Distribution maps of species. Sectors and BIOICE sampling sites of Myriochele heeri sensu lato and Myrioglobula islandica taken from Parapar (2003a)." figureDoi="http://doi.org/10.5281/zenodo.5230031" httpUri="https://zenodo.org/record/5230031/files/figure.png" pageId="12" pageNumber="533">Figures 2</figureCitation>
,
<figureCitation id="CD8E2A449E27FFB4FE5D7674FDDEF99A" box="[449,562,1628,1652]" captionStart="Figure 3" captionStartId="7.[125,185,648,667]" captionTargetBox="[127,1172,138,609]" captionTargetId="figure-65@7.[125,1174,133,612]" captionTargetPageId="7" captionText="Figure 3. Anterior end in ventrolateral view of three Myriochele heeri Malmgren, 1867 syntypes from the Swedish Museum of Natural History identified in this work as M. aff. olgae (A, C, D) and M. heeri (B). (A, B) SMNH 5847 (S. C. Byers label 6518 # 905, specimens 1/3 and 3/3, respectively); (C, D) SMNH 5848 (S. C. Byers label 6517 # 906, specimen 2/2), in left and right view. vpo, ventral pharyngeal organ. Scale bar: 1 mm." figureDoi="http://doi.org/10.5281/zenodo.5230033" httpUri="https://zenodo.org/record/5230033/files/figure.png" pageId="12" pageNumber="533">3A, C, D</figureCitation>
,
<figureCitation id="CD8E2A449E27FFB4FDDC7674FD8BF99A" box="[576,615,1628,1652]" captionStart="Figure 4" captionStartId="7.[125,185,1585,1604]" captionTargetBox="[128,1172,880,1546]" captionTargetId="figure-1@7.[125,1174,877,1549]" captionTargetPageId="7" captionText="Figure 4. Anterior end of two Myriochele species studied in this work. (A, B) Myriochele heeri Malmgren, 1867 (BIOICE 2257) in lateral and ventral view; (C) Myriochele olgae Blake, 2000 (BIOICE 2152) in latero-ventral view (drawn without cover glass). In (B), the neck ciliated field is observed and notochaetae of chaetigers 4 and 5 are concealed by the body. Scale bars: 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.5230035" httpUri="https://zenodo.org/record/5230035/files/figure.png" pageId="12" pageNumber="533">4C</figureCitation>
,
<figureCitation id="CD8E2A449E27FFB4FDE87674FD69F99A" box="[628,645,1628,1652]" captionStart="Figure 6" captionStartId="9.[125,185,821,840]" captionTargetBox="[126,1171,133,784]" captionTargetId="figure-1@9.[125,1173,133,785]" captionTargetPageId="9" captionText="Figure 6. Relationship between bottom water temperature and water depth at sampling sites where Myriochele and Myrioglobula species were found. Data from M. heeri sensu lato and Myrioglobula islandica obtained from Parapar (2003a)." figureDoi="http://doi.org/10.5281/zenodo.5230039" httpUri="https://zenodo.org/record/5230039/files/figure.png" pageId="12" pageNumber="533">6</figureCitation>
,
<figureCitation id="CD8E2A449E27FFB4FD087674FD55F99A" box="[660,697,1628,1652]" captionStart="Figure 7" captionStartId="9.[125,185,1584,1603]" captionTargetBox="[127,1174,1017,1549]" captionTargetId="figure-35@9.[125,1174,1014,1549]" captionTargetPageId="9" captionText="Figure 7. Three specimens from Greenland (USNM 51164) from Blake and Dean (1973). (A) Myriochele heeri in ventro-lateral showing the dorsolateral folds; (B) Myriochele indet. with the anterior end in process of regeneration and with ventral pharyngeal organ everted; (C) Myriochele aff. olgae in lateral view. dlcf, dorsolateral ciliary folds; vpo, ventral pharyngeal organ. Scale bars: 0.5 mm (A, B); 1 mm (C)." figureDoi="http://doi.org/10.5281/zenodo.5230041" httpUri="https://zenodo.org/record/5230041/files/figure.png" pageId="12" pageNumber="533">7C</figureCitation>
,
<figureCitation id="CD8E2A449E27FFB4FD547674FD34F99A" box="[712,728,1628,1652]" captionStart="Figure 8" captionStartId="13.[125,185,816,835]" captionTargetBox="[125,1174,133,780]" captionTargetId="figure-126@13.[125,1174,133,780]" captionTargetPageId="13" captionText="Figure 8. Myriochele olgae BIOICE 2065. (A) Anterior end, anteroventral view (right side) of a contracted specimen; (B) notopodium of chaetiger 16 showing two types of notochaetae; (C) hooks of first neuropodium; (D) posterior end; (E) detail of cilia from anus ciliated field; (F) anterior end, ventral view of a noncontracted specimen; (G) detail of two types of notochaetae of chaetiger 6; (H) view of mouth with food remains; (I) detail of food (diatom frustules); (J) ventral view of three anterior chaetigers showing limit of neck ciliated field; (K) detail of cilia from neck ciliated field; (L) detail of cilia from mouth ciliated field. In (A) and (F), chaetae of first four chaetigers numbered. no14, notochaetae of chaetigers 1 to 4; ne34, neurochaetae of chaetigers 3 and 4; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field; acf, anus ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230045" httpUri="https://zenodo.org/record/5230045/files/figure.png" pageId="12" pageNumber="533">8</figureCitation>
,
<figureCitation id="CD8E2A449E27FFB4FD7B7674FD14F99A" box="[743,760,1628,1652]" captionStart="Figure 9" captionStartId="14.[138,198,1033,1052]" captionTargetBox="[138,1187,133,995]" captionTargetId="figure-126@14.[138,1187,133,997]" captionTargetPageId="14" captionText="Figure 9. (AC) Myriochele aff. olgae with asymmetric biramous second chaetiger BIOICE 2423: (A) anterior end, lateroventral view (left side); (B) first neuropod in second chaetiger; (C) detail of hooks of first neuropod piercing the epidermis. (DI) Myriochele aff. olgae from BIOICE 2424: (D) anterior end of a recently broken specimen; (E) posterior end with only neuropodial hooks; (F) specimen regenerating anterior end; (G) anterior end in ventral view of a specimen with a supernumerary fourth chaetiger (arrow); (H) posterior end in lateral view; (I) pigidial ciliated field. In (A), chaetae of first chaetigers numbered. no13, notochaetae of chaetigers 1 to 3; ne23, neurochaetae of chaetigers 2 and 3; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field, acf, anus ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230047" httpUri="https://zenodo.org/record/5230047/files/figure.png" pageId="12" pageNumber="533">9</figureCitation>
,
<figureCitation id="CD8E2A449E27FFB4FC9A7674FCCAF99A" box="[774,806,1628,1652]" captionStart="Figure 12" captionStartId="17.[125,185,1076,1095]" captionTargetBox="[125,1173,135,1040]" captionTargetId="figure-98@17.[125,1174,133,1040]" captionTargetPageId="17" captionText="Figure 12. Schematic diagrams of anterior end organization, in ventral view, of species studied in this work, showing chaetal composition and relative length of anterior chaetigers. Drawings not at same scale." figureDoi="http://doi.org/10.5281/zenodo.5230053" httpUri="https://zenodo.org/record/5230053/files/figure.png" pageId="12" pageNumber="533">12</figureCitation>
,
<figureCitation id="CD8E2A449E27FFB4FCA87674FCB8F99A" box="[820,852,1628,1652]" captionStart="Figure 13" captionStartId="18.[138,198,1618,1637]" captionTargetBox="[164,1158,176,1583]" captionTargetId="figure-1@18.[164,1159,176,1583]" captionTargetPageId="18" captionText="Figure 13. Some examples of Myriochele heeri (22572700) and Myriochele olgae (20652700) tubes collected in different localities in the BIOICE project. Scale bar: 1 mm." figureDoi="http://doi.org/10.5281/zenodo.5230055" httpUri="https://zenodo.org/record/5230055/files/figure.png" pageId="12" pageNumber="533">13</figureCitation>
;
<tableCitation id="1837037A9E27FFB4FCFE7674FC2DF99A" box="[866,961,1628,1652]" captionStart="Table I" captionStartId="6.[138,192,145,164]" captionText="Table I. Summarized data of BIOICE samples studied, where Myriochele heeri, M. olgae, and Myrioglobula malmgreni n. sp. were collected." pageId="12" pageNumber="533">Tables I</tableCitation>
, II)
</paragraph>
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<taxonomicName id="92B54D429E27FFB4FF167655FDF7F97B" ID-CoL="458PR" authority="Blake 2000, p 111" authorityName="Blake" authorityPageNumber="111" authorityYear="2000" box="[138,539,1661,1685]" class="Polychaeta" family="Oweniidae" genus="Myriochele" kingdom="Animalia" order="Sabellida" pageId="12" pageNumber="533" phylum="Annelida" rank="species" species="olgae">
<emphasis id="67C1EAD39E27FFB4FF167655FED3F97B" box="[138,319,1661,1685]" italics="true" pageId="12" pageNumber="533">Myriochele olgae</emphasis>
<bibRefCitation id="31244B309E27FFB4FED47655FE3CF97B" author="Blake JA" box="[328,464,1661,1685]" pageId="12" pageNumber="533" pagination="97 - 127" refId="ref10932" refString="Blake JA. 2000. Family Oweniidae Rioja, 1917. In: Blake JA, Hilbig B, Scott PV, editors. Taxonomic atlas of the benthic fauna of the Santa Maria Basin and the Western Santa Barbara Channel. Volume 7, The Annelida part 4: Polychaeta: Flabelligeridae to Sternaspidae. Santa Barbara (CA): Santa Barbara Museum of Natural History. p 97 - 127." type="book chapter" year="2000">Blake 2000</bibRefCitation>
, p 111
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113,
<figureCitation id="CD8E2A449E27FFB4FDFA7655FD08F97B" box="[614,740,1661,1685]" captionStart="Figure 5" captionStartId="8.[138,198,1031,1050]" captionTargetBox="[138,1186,135,995]" captionTargetId="figure-88@8.[138,1186,133,995]" captionTargetPageId="8" captionText="Figure 5. Myriochele heeri BIOICE 2423. (A) Anterior end, lateral view (right side); (B) chaetiger 13 with two types of notochaetae; (C) posterior end; (D) anterior end, latero-ventral view (left side); (E) head, showing mouth lips, glandular area, and the three ciliated fields; (F) detail of lateral ciliated field; (G) oral ciliated field inside mouth lips; (H) detail of oral cilia; (I) ventral hooks from chaetiger 17. In (A) and (D), first four chaetigers numbered. no15, notochaetae of chaetigers 1 to 5; ne45, neurochaetae of chaetigers 4 and 5; lno, long notochaetae; sno, short notochaetae; ncf, neck ciliated field; ga, glandular area; lcf, lateral ciliated field; ml, mouth lips; ocf, oral ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230037" httpUri="https://zenodo.org/record/5230037/files/figure.png" pageId="12" pageNumber="533">Figure 5.5</figureCitation>
.
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<paragraph id="550A36C19E26FFB5FFE17318FF41FBF6" blockId="13.[125,1173,816,1048]" pageId="13" pageNumber="534">
Figure 8.
<taxonomicName id="92B54D429E26FFB5FF7D7318FDE0FCAD" ID-CoL="458PR" authority="BIOICE 2065" authorityName="BIOICE" authorityYear="2065" box="[225,524,816,835]" class="Polychaeta" family="Oweniidae" genus="Myriochele" kingdom="Animalia" order="Sabellida" pageId="13" pageNumber="534" phylum="Annelida" rank="species" species="olgae">
<emphasis id="67C1EAD39E26FFB5FF7D7318FE99FCAD" box="[225,373,816,835]" italics="true" pageId="13" pageNumber="534">Myriochele olgae</emphasis>
BIOICE 2065
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. (A) Anterior end, anteroventral view (right side) of a contracted specimen; (B) notopodium of chaetiger 16 showing two types of notochaetae; (C) hooks of first neuropodium; (D) posterior end; (E) detail of cilia from anus ciliated field; (F) anterior end, ventral view of a noncontracted specimen; (G) detail of two types of notochaetae of chaetiger 6; (H) view of mouth with food remains; (I) detail of food (diatom frustules); (J) ventral view of three anterior chaetigers showing limit of neck ciliated field; (K) detail of cilia from neck ciliated field; (L) detail of cilia from mouth ciliated field. In (A) and (F), chaetae of first four chaetigers numbered. no14, notochaetae of chaetigers 1 to 4; ne34, neurochaetae of chaetigers 3 and 4; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field; acf, anus ciliated field.
</paragraph>
</caption>
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<emphasis id="67C1EAD39E26FFB5FFE1747FFEC3FB81" box="[125,303,1111,1135]" italics="true" pageId="13" pageNumber="534">Myriochele heeri</emphasis>
<bibRefCitation id="31244B309E26FFB5FEA4747FFE14FB81" author="Malmgren AJ" box="[312,504,1111,1135]" pageId="13" pageNumber="534" refId="ref12177" refString="Malmgren AJ. 1867. Spetsbergens, Gronlands, Islands och den Skaninaviska halfons hittills kanda Annulata Polychaeta. Helsingfors: Frenkell and Son. 127 p." type="book" year="1867">Malmgren 1867</bibRefCitation>
, p 101
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102, Table 7, Figure 37;
<treatmentCitation id="D41410D09E26FFB5FCE1747FFF27FB61" author="Blake JA &amp; Dean D" page="37" pageId="13" pageNumber="534" year="1973">
<bibRefCitation id="31244B309E26FFB5FCE1747FFB6CFB81" author="Blake JA &amp; Dean D" box="[893,1152,1111,1135]" pageId="13" pageNumber="534" pagination="31 - 39" refId="ref11006" refString="Blake JA, Dean D. 1973. Polychaetous annelids collected by the R / V Hero from Baffin Island, Davis Strait, and west Greenland in 1968. Bulletin of the Southern California Academy of Sciences 72: 31 - 39." type="journal article" year="1973">Blake and Dean 1973</bibRefCitation>
, p 37
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,
<figureCitation id="CD8E2A449E26FFB5FF45745FFED3FB61" box="[217,319,1143,1167]" captionStart="Figure 2" captionStartId="5.[125,185,1154,1173]" captionTargetBox="[127,1171,135,1116]" captionTargetId="figure-151@5.[125,1173,133,1118]" captionTargetPageId="5" captionText="Figure 2. Distribution maps of species. Sectors and BIOICE sampling sites of Myriochele heeri sensu lato and Myrioglobula islandica taken from Parapar (2003a)." figureDoi="http://doi.org/10.5281/zenodo.5230031" httpUri="https://zenodo.org/record/5230031/files/figure.png" pageId="13" pageNumber="534">Figure 2</figureCitation>
;
<treatmentCitation id="D41410D09E26FFB5FED1745FFDABFB61" author="Parapar J" box="[333,583,1143,1167]" page="283" pageId="13" pageNumber="534" year="2003">
<bibRefCitation id="31244B309E26FFB5FED1745FFE17FB61" author="Parapar J" box="[333,507,1143,1167]" pageId="13" pageNumber="534" pagination="274 - 290" refId="ref12332" refString="Parapar J. 2003 a. Oweniidae (Annelida, Polychaeta) from Icelandic waters, collected by the BIOICE project, with the description of Myrioglobula islandica n. sp. Sarsia 88: 274 - 290." type="journal article" year="2003">Parapar 2003a</bibRefCitation>
, p 283
</treatmentCitation>
284 [pro parte].
</treatmentCitationGroup>
</paragraph>
<paragraph id="550A36C19E26FFB5FFE174B0FBB1FB5E" blockId="13.[125,1157,1111,1200]" box="[125,1117,1176,1200]" pageId="13" pageNumber="534">
<treatmentCitationGroup id="75A511EF9E26FFB5FFE174B0FBB1FB5E" box="[125,1117,1176,1200]" pageId="13" pageNumber="534">
<treatmentCitation id="D41410D09E26FFB5FFE174B0FD70FB5E" author="Nilsen R &amp; Holthe T" box="[125,668,1176,1200]" page="21" pageId="13" pageNumber="534" year="1985">
<taxonomicName id="92B54D429E26FFB5FFE174B0FD70FB5E" ID-CoL="458PK" authority=": Nilsen and Holthe 1985, p 21" authorityName=": Nilsen and Holthe" authorityPageNumber="21" authorityYear="1985" box="[125,668,1176,1200]" class="Polychaeta" family="Oweniidae" genus="Myriochele" kingdom="Animalia" order="Sabellida" pageId="13" pageNumber="534" phylum="Annelida" rank="species" species="heeri">
<emphasis id="67C1EAD39E26FFB5FFE174B0FEC3FB5E" box="[125,303,1176,1200]" italics="true" pageId="13" pageNumber="534">Myriochele heeri</emphasis>
:
<bibRefCitation id="31244B309E26FFB5FEDC74B0FDB3FB5E" author="Nilsen R &amp; Holthe T" box="[320,607,1176,1200]" pageId="13" pageNumber="534" pagination="17 - 32" refId="ref12260" refString="Nilsen R, Holthe T. 1985. Arctic and Scandinavian Oweniidae (Polychaeta) with comments on the phylogeny of the family. Sarsia 70: 17 - 32." type="journal article" year="1985">Nilsen and Holthe 1985</bibRefCitation>
, p 21
</taxonomicName>
</treatmentCitation>
22,
<figureCitation id="CD8E2A449E26FFB5FD4574B0FCA4FB5E" box="[729,840,1176,1200]" captionStart="Figure 3" captionStartId="7.[125,185,648,667]" captionTargetBox="[127,1172,138,609]" captionTargetId="figure-65@7.[125,1174,133,612]" captionTargetPageId="7" captionText="Figure 3. Anterior end in ventrolateral view of three Myriochele heeri Malmgren, 1867 syntypes from the Swedish Museum of Natural History identified in this work as M. aff. olgae (A, C, D) and M. heeri (B). (A, B) SMNH 5847 (S. C. Byers label 6518 # 905, specimens 1/3 and 3/3, respectively); (C, D) SMNH 5848 (S. C. Byers label 6517 # 906, specimen 2/2), in left and right view. vpo, ventral pharyngeal organ. Scale bar: 1 mm." figureDoi="http://doi.org/10.5281/zenodo.5230033" httpUri="https://zenodo.org/record/5230033/files/figure.png" pageId="13" pageNumber="534">Figures 3</figureCitation>
,
<figureCitation id="CD8E2A449E26FFB5FCCB74B0FC84FB5E" box="[855,872,1176,1200]" captionStart="Figure 4" captionStartId="7.[125,185,1585,1604]" captionTargetBox="[128,1172,880,1546]" captionTargetId="figure-1@7.[125,1174,877,1549]" captionTargetPageId="7" captionText="Figure 4. Anterior end of two Myriochele species studied in this work. (A, B) Myriochele heeri Malmgren, 1867 (BIOICE 2257) in lateral and ventral view; (C) Myriochele olgae Blake, 2000 (BIOICE 2152) in latero-ventral view (drawn without cover glass). In (B), the neck ciliated field is observed and notochaetae of chaetigers 4 and 5 are concealed by the body. Scale bars: 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.5230035" httpUri="https://zenodo.org/record/5230035/files/figure.png" pageId="13" pageNumber="534">4</figureCitation>
,
<figureCitation id="CD8E2A449E26FFB5FCEB74B0FC56FB5E" box="[887,954,1176,1200]" captionStart="Figure 11" captionStartId="16.[138,198,1504,1523]" captionTargetBox="[138,1185,827,1468]" captionTargetId="figure-1@16.[138,1186,827,1468]" captionTargetPageId="16" captionText="Figure 11. (AG) Myrioglobula malmgreni n. sp. BIOICE 2401 (paratype, MNCN 16.01/10544): (A) anterior end, ventral view; (B) mouth opening with oral ciliary field; (C) detail of oral cilia; (D) detail of mouth ciliary fold; (E) first and second neuropodia; (F) notopodia of segment 6; (G) hooks from fourth chaetiger. (HL) Specimen from BIOICE 2303 (paratype, IMNH 4110): (H) anterior end, lateral (right) view; (I) detail of head; (J) anterior chaetigers, lateral view; (K) notopodia of chaetiger 5; (L) lateral slit at fourth chaetiger. In (A) and (E), chaetae of first chaetigers numbered. no14, notochaetae of chaetigers 1 to 4; ne24, neurochaetae of chaetigers 2 to 4; ncf, neck ciliated field; ocf, oral ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230051" httpUri="https://zenodo.org/record/5230051/files/figure.png" pageId="13" pageNumber="534">11ce</figureCitation>
[? pro parte].
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="1DAF654A9E26FFB7FFE174C2FCD0FB80" lastPageId="15" lastPageNumber="536" pageId="13" pageNumber="534" type="materials_examined">
<paragraph id="550A36C19E26FFB5FFE174C2FEF9FAEF" blockId="13.[125,277,1257,1281]" box="[125,277,1257,1281]" pageId="13" pageNumber="534">
<emphasis id="67C1EAD39E26FFB5FFE174C2FEF9FAEF" box="[125,277,1257,1281]" italics="true" pageId="13" pageNumber="534">
<typeStatus id="8A0E88639E26FFB5FFE174C2FF5FFAEF" box="[125,179,1258,1281]" pageId="13" pageNumber="534">Type</typeStatus>
material
</emphasis>
</paragraph>
<paragraph id="550A36C19E26FFB5FFE17532FCFCFABC" blockId="13.[125,1172,1306,1362]" pageId="13" pageNumber="534">
<emphasis id="67C1EAD39E26FFB5FFE17532FDC8FADC" box="[125,548,1306,1330]" italics="true" pageId="13" pageNumber="534">National Museum of Natural History.</emphasis>
<materialsCitation id="E5DD3C9C9E26FFB5FDAD7532FCE1FABC" collectionCode="USNM" country="United States of America" county="North Pacific Ocean" elevation="145" location="Point Sal" municipality="Santa Maria Basin" pageId="13" pageNumber="534" specimenCode="USNM 186431" specimenCount="1" stateProvince="California" typeStatus="holotype">
<collectingCounty id="BC6B4E4D9E26FFB5FDAD7532FCCAFADC" box="[561,806,1306,1330]" pageId="13" pageNumber="534">North Pacific Ocean</collectingCounty>
,
<collectingCountry id="2DA276519E26FFB5FCA87532FC9CFADC" box="[820,880,1306,1330]" name="United States of America" pageId="13" pageNumber="534">USA</collectingCountry>
,
<collectingRegion id="9771F8239E26FFB5FCE37532FC1AFADC" box="[895,1014,1306,1330]" country="United States of America" name="California" pageId="13" pageNumber="534">California</collectingRegion>
,
<collectingMunicipality id="B56EACBB9E26FFB5FB987532FF2DFABC" pageId="13" pageNumber="534">Santa Maria Basin</collectingMunicipality>
, off
<location id="506A601A9E26FFB5FF6A7512FE88FABC" LSID="urn:lsid:plazi:treatment:DD1C87D79E27FFB7FE417613FF26FA9C:506A601A9E26FFB5FF6A7512FE88FABC" box="[246,356,1338,1362]" country="United States of America" county="North Pacific Ocean" municipality="Santa Maria Basin" name="Point Sal" pageId="13" pageNumber="534" stateProvince="California">Point Sal</location>
,
<quantity id="924D9B249E26FFB5FEEE7512FE55FABC" box="[370,441,1338,1362]" metricMagnitude="2" metricUnit="m" metricValue="1.45" pageId="13" pageNumber="534" unit="m" value="145.0">
<elevation id="DE98D1F29E26FFB5FEEE7512FE55FABC" box="[370,441,1338,1362]" metricMagnitude="2" metricUnit="m" metricValue="1.45" pageId="13" pageNumber="534" unit="m" value="145.0">145 m</elevation>
</quantity>
(
<typeStatus id="8A0E88639E26FFB5FE567512FDD8FABC" box="[458,564,1338,1362]" pageId="13" pageNumber="534" type="holotype">holotype</typeStatus>
;
<specimenCode id="05139EBA9E26FFB5FDDA7512FCE8FABC" box="[582,772,1338,1362]" collectionCode="USNM" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="13" pageNumber="534" type="Museum">USNM 186431</specimenCode>
)
</materialsCitation>
.
</paragraph>
<paragraph id="550A36C19E26FFB5FFE175A3FEBEFA4D" blockId="13.[125,338,1419,1443]" box="[125,338,1419,1443]" pageId="13" pageNumber="534">
<emphasis id="67C1EAD39E26FFB5FFE175A3FEBEFA4D" box="[125,338,1419,1443]" italics="true" pageId="13" pageNumber="534">Additional material</emphasis>
</paragraph>
<paragraph id="550A36C19E26FFB5FFE17594FDB0FA1A" blockId="13.[125,1173,1468,1524]" pageId="13" pageNumber="534">
<emphasis id="67C1EAD39E26FFB5FFE17594FDD8FA3A" box="[125,564,1468,1492]" italics="true" pageId="13" pageNumber="534">Icelandic Museum of Natural History.</emphasis>
BIOICE sample 2575 (five spms;
<collectionCode id="33A4AE049E26FFB5FC747594FBD6FA3A" box="[1000,1082,1468,1492]" pageId="13" pageNumber="534">IMNH</collectionCode>
4105); sample 2700 (three spms;
<collectionCode id="33A4AE049E26FFB5FE2875F4FDEAFA1A" box="[436,518,1500,1524]" pageId="13" pageNumber="534">IMNH</collectionCode>
4106).
</paragraph>
<paragraph id="550A36C19E26FFB5FFE17635FB79F97B" blockId="13.[125,1173,1565,1685]" pageId="13" pageNumber="534">
<emphasis id="67C1EAD39E26FFB5FFE17635FDD6F9DB" box="[125,570,1565,1589]" italics="true" pageId="13" pageNumber="534">Museo Nacional de Ciencias Naturales.</emphasis>
<materialsCitation id="E5DD3C9C9E26FFB5FDDA7635FB63F97B" collectionCode="MNCN" pageId="13" pageNumber="534" specimenCode="MNCN 16.01" specimenCount="13">
BIOICE sample 2065 (five spms;
<specimenCode id="05139EBA9E26FFB5FC7E7635FB67F9DB" box="[994,1163,1565,1589]" collectionCode="MNCN" country="Spain" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35275" lsid="urn:lsid:biocol.org:col:35275" name="Museo Nacional de Ciencias Naturales" pageId="13" pageNumber="534" type="Museum">MNCN 16.01</specimenCode>
/ 10536); sample 2080 (four spms;
<specimenCode id="05139EBA9E26FFB5FD977615FD5EF9BB" box="[523,690,1597,1621]" collectionCode="MNCN" country="Spain" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35275" lsid="urn:lsid:biocol.org:col:35275" name="Museo Nacional de Ciencias Naturales" pageId="13" pageNumber="534" type="Museum">MNCN 16.01</specimenCode>
/10537); sample 2081 (one spm;
<specimenCode id="05139EBA9E26FFB5FBA47615FF53F99B" collectionCode="MNCN" country="Spain" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35275" lsid="urn:lsid:biocol.org:col:35275" name="Museo Nacional de Ciencias Naturales" pageId="13" pageNumber="534" type="Museum">MNCN 16.01</specimenCode>
/10538); sample 2100 (nine spms;
<specimenCode id="05139EBA9E26FFB5FD0C7675FCAEF99B" box="[656,834,1629,1653]" collectionCode="MNCN" country="Spain" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35275" lsid="urn:lsid:biocol.org:col:35275" name="Museo Nacional de Ciencias Naturales" pageId="13" pageNumber="534" type="Museum">MNCN 16.01</specimenCode>
/10539); sample 2152 (
<specimenCount id="43B3FD489E26FFB5FBEA7675FF14F97B" pageId="13" pageNumber="534" type="generic">13 specimens</specimenCount>
;
<specimenCode id="05139EBA9E26FFB5FE907655FE57F97B" box="[268,443,1661,1685]" collectionCode="MNCN" country="Spain" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35275" lsid="urn:lsid:biocol.org:col:35275" name="Museo Nacional de Ciencias Naturales" pageId="13" pageNumber="534" type="Museum">MNCN 16.01</specimenCode>
/10540); sample 2167 (three spms;
<specimenCode id="05139EBA9E26FFB5FC1E7655FBDEF97B" box="[898,1074,1661,1685]" collectionCode="MNCN" country="Spain" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35275" lsid="urn:lsid:biocol.org:col:35275" name="Museo Nacional de Ciencias Naturales" pageId="13" pageNumber="534" type="Museum">MNCN 16.01</specimenCode>
/10541)
</materialsCitation>
;
</paragraph>
<caption id="01CA66499E25FFB6FF167421FEEFFB38" ID-DOI="http://doi.org/10.5281/zenodo.5230047" ID-Zenodo-Dep="5230047" httpUri="https://zenodo.org/record/5230047/files/figure.png" pageId="14" pageNumber="535" startId="14.[138,198,1033,1052]" targetBox="[138,1187,133,995]" targetPageId="14">
<paragraph id="550A36C19E25FFB6FF167421FEEFFB38" blockId="14.[138,1185,1033,1238]" pageId="14" pageNumber="535">
Figure 9. (AC)
<taxonomicName id="92B54D429E25FFB6FEB57421FE36FBF2" authorityName="BIOICE" authorityYear="2065" box="[297,474,1033,1052]" class="Polychaeta" family="Oweniidae" genus="Myriochele" kingdom="Animalia" order="Sabellida" pageId="14" pageNumber="535" phylum="Annelida" rank="species" species="olgae">
<emphasis id="67C1EAD39E25FFB6FEB57421FE6BFBF2" box="[297,391,1033,1052]" italics="true" pageId="14" pageNumber="535">Myriochele</emphasis>
aff.
<emphasis id="67C1EAD39E25FFB6FE337421FE36FBF2" box="[431,474,1033,1052]" italics="true" pageId="14" pageNumber="535">olgae</emphasis>
</taxonomicName>
with asymmetric biramous second chaetiger BIOICE 2423: (A) anterior end, lateroventral view (left side); (B) first neuropod in second chaetiger; (C) detail of hooks of first neuropod piercing the epidermis. (DI)
<taxonomicName id="92B54D429E25FFB6FED17416FE13FBBF" authorityName="BIOICE" authorityYear="2065" box="[333,511,1086,1105]" class="Polychaeta" family="Oweniidae" genus="Myriochele" kingdom="Animalia" order="Sabellida" pageId="14" pageNumber="535" phylum="Annelida" rank="species" species="olgae">
<emphasis id="67C1EAD39E25FFB6FED17416FE47FBBF" box="[333,427,1086,1105]" italics="true" pageId="14" pageNumber="535">Myriochele</emphasis>
aff.
<emphasis id="67C1EAD39E25FFB6FE487416FE13FBBF" box="[468,511,1086,1105]" italics="true" pageId="14" pageNumber="535">olgae</emphasis>
</taxonomicName>
from BIOICE 2424: (D) anterior end of a recently broken specimen; (E) posterior end with only neuropodial hooks; (F) specimen regenerating anterior end; (G) anterior end in ventral view of a specimen with a supernumerary fourth chaetiger (arrow); (H) posterior end in lateral view; (I) pigidial ciliated field. In (A), chaetae of first chaetigers numbered. no13, notochaetae of chaetigers 1 to 3; ne23, neurochaetae of chaetigers 2 and 3; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field, acf, anus ciliated field.
</paragraph>
</caption>
<paragraph id="550A36C19E25FFB6FF1674D5FF0AFADB" blockId="14.[138,1184,1277,1333]" pageId="14" pageNumber="535">
sample 2364 (seven spms;
<collectionCode id="33A4AE049E25FFB6FE5874D5FDCDFAFB" box="[452,545,1277,1301]" country="Spain" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35275" lsid="urn:lsid:biocol.org:col:35275" name="Museo Nacional de Ciencias Naturales" pageId="14" pageNumber="535" type="Museum">MNCN</collectionCode>
16.01/10542); sample 2480 (one spm;
<collectionCode id="33A4AE049E25FFB6FC6E74D5FBA3FAFB" box="[1010,1103,1277,1301]" country="Spain" httpUri="http://biocol.org/urn:lsid:biocol.org:col:35275" lsid="urn:lsid:biocol.org:col:35275" name="Museo Nacional de Ciencias Naturales" pageId="14" pageNumber="535" type="Museum">MNCN</collectionCode>
16.01/ 10543).
</paragraph>
<paragraph id="550A36C19E25FFB6FF167545FDAEFA6B" blockId="14.[138,578,1389,1413]" box="[138,578,1389,1413]" pageId="14" pageNumber="535">
<emphasis id="67C1EAD39E25FFB6FF167545FDAEFA6B" box="[138,578,1389,1413]" italics="true" pageId="14" pageNumber="535">Description based on Icelandic specimens</emphasis>
</paragraph>
<paragraph id="550A36C19E25FFB6FF1675B6FC49F97B" blockId="14.[138,1185,1438,1685]" pageId="14" pageNumber="535">
Body short,
<quantity id="924D9B249E25FFB6FE8B75B6FE6FFA58" box="[279,387,1438,1462]" metricMagnitude="-3" metricUnit="m" metricValue="7.5" metricValueMax="10.0" metricValueMin="5.0" pageId="14" pageNumber="535" unit="mm" value="7.5" valueMax="10.0" valueMin="5.0">510 mm</quantity>
length and
<quantity id="924D9B249E25FFB6FD9775B6FD8FFA58" box="[523,611,1438,1462]" metricMagnitude="-4" metricUnit="m" metricValue="5.0" pageId="14" pageNumber="535" unit="mm" value="0.5">0.5 mm</quantity>
wide, 1823 chaetigers. First two body chaetigers uniramous; third biramous (
<collectionCode id="33A4AE049E25FFB6FE4C7596FE1BFA38" box="[464,503,1470,1494]" country="Thailand" name="Department of Mineral Resources" pageId="14" pageNumber="535">TF</collectionCode>
51:0-1:0-1:1), first and second shorter than wide and third longer than wide, with increasing length (
<collectionCode id="33A4AE049E25FFB6FD1875F6FD38FA18" box="[644,724,1502,1526]" pageId="14" pageNumber="535">RLTC</collectionCode>
51-1(1.5)-3) (
<figureCitation id="CD8E2A449E25FFB6FC1E75F6FBEAFA18" box="[898,1030,1502,1526]" captionStart="Figure 4" captionStartId="7.[125,185,1585,1604]" captionTargetBox="[128,1172,880,1546]" captionTargetId="figure-1@7.[125,1174,877,1549]" captionTargetPageId="7" captionText="Figure 4. Anterior end of two Myriochele species studied in this work. (A, B) Myriochele heeri Malmgren, 1867 (BIOICE 2257) in lateral and ventral view; (C) Myriochele olgae Blake, 2000 (BIOICE 2152) in latero-ventral view (drawn without cover glass). In (B), the neck ciliated field is observed and notochaetae of chaetigers 4 and 5 are concealed by the body. Scale bars: 0.5 mm." figureDoi="http://doi.org/10.5281/zenodo.5230035" httpUri="https://zenodo.org/record/5230035/files/figure.png" pageId="14" pageNumber="535">Figures 4C</figureCitation>
,
<figureCitation id="CD8E2A449E25FFB6FB8A75F6FB8CFA18" box="[1046,1120,1502,1526]" captionStart="Figure 8" captionStartId="13.[125,185,816,835]" captionTargetBox="[125,1174,133,780]" captionTargetId="figure-126@13.[125,1174,133,780]" captionTargetPageId="13" captionText="Figure 8. Myriochele olgae BIOICE 2065. (A) Anterior end, anteroventral view (right side) of a contracted specimen; (B) notopodium of chaetiger 16 showing two types of notochaetae; (C) hooks of first neuropodium; (D) posterior end; (E) detail of cilia from anus ciliated field; (F) anterior end, ventral view of a noncontracted specimen; (G) detail of two types of notochaetae of chaetiger 6; (H) view of mouth with food remains; (I) detail of food (diatom frustules); (J) ventral view of three anterior chaetigers showing limit of neck ciliated field; (K) detail of cilia from neck ciliated field; (L) detail of cilia from mouth ciliated field. In (A) and (F), chaetae of first four chaetigers numbered. no14, notochaetae of chaetigers 1 to 4; ne34, neurochaetae of chaetigers 3 and 4; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field; acf, anus ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230045" httpUri="https://zenodo.org/record/5230045/files/figure.png" pageId="14" pageNumber="535">8A, F</figureCitation>
,
<figureCitation id="CD8E2A449E25FFB6FBED75F6FB7EFA18" box="[1137,1170,1502,1526]" captionStart="Figure 12" captionStartId="17.[125,185,1076,1095]" captionTargetBox="[125,1173,135,1040]" captionTargetId="figure-98@17.[125,1174,133,1040]" captionTargetPageId="17" captionText="Figure 12. Schematic diagrams of anterior end organization, in ventral view, of species studied in this work, showing chaetal composition and relative length of anterior chaetigers. Drawings not at same scale." figureDoi="http://doi.org/10.5281/zenodo.5230053" httpUri="https://zenodo.org/record/5230053/files/figure.png" pageId="14" pageNumber="535">12</figureCitation>
). Fourth to sixth chaetigers (second to fourth abdominal) elongated and of similar length; fourth about two (1.5) times as long as the sum of three previous chaetigers. Following chaetigers decreasing in length. Notopodia with long capillary chaetae and short acicular chaetae (
<figureCitation id="CD8E2A449E25FFB6FF687675FE7FF99B" box="[244,403,1629,1653]" captionStart="Figure 8" captionStartId="13.[125,185,816,835]" captionTargetBox="[125,1174,133,780]" captionTargetId="figure-126@13.[125,1174,133,780]" captionTargetPageId="13" captionText="Figure 8. Myriochele olgae BIOICE 2065. (A) Anterior end, anteroventral view (right side) of a contracted specimen; (B) notopodium of chaetiger 16 showing two types of notochaetae; (C) hooks of first neuropodium; (D) posterior end; (E) detail of cilia from anus ciliated field; (F) anterior end, ventral view of a noncontracted specimen; (G) detail of two types of notochaetae of chaetiger 6; (H) view of mouth with food remains; (I) detail of food (diatom frustules); (J) ventral view of three anterior chaetigers showing limit of neck ciliated field; (K) detail of cilia from neck ciliated field; (L) detail of cilia from mouth ciliated field. In (A) and (F), chaetae of first four chaetigers numbered. no14, notochaetae of chaetigers 1 to 4; ne34, neurochaetae of chaetigers 3 and 4; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field; acf, anus ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230045" httpUri="https://zenodo.org/record/5230045/files/figure.png" pageId="14" pageNumber="535">Figure 8B, G</figureCitation>
); neuropodial hooks with two apical teeth located one above the other (
<figureCitation id="CD8E2A449E25FFB6FF447655FEBCF97B" box="[216,336,1661,1685]" captionStart="Figure 8" captionStartId="13.[125,185,816,835]" captionTargetBox="[125,1174,133,780]" captionTargetId="figure-126@13.[125,1174,133,780]" captionTargetPageId="13" captionText="Figure 8. Myriochele olgae BIOICE 2065. (A) Anterior end, anteroventral view (right side) of a contracted specimen; (B) notopodium of chaetiger 16 showing two types of notochaetae; (C) hooks of first neuropodium; (D) posterior end; (E) detail of cilia from anus ciliated field; (F) anterior end, ventral view of a noncontracted specimen; (G) detail of two types of notochaetae of chaetiger 6; (H) view of mouth with food remains; (I) detail of food (diatom frustules); (J) ventral view of three anterior chaetigers showing limit of neck ciliated field; (K) detail of cilia from neck ciliated field; (L) detail of cilia from mouth ciliated field. In (A) and (F), chaetae of first four chaetigers numbered. no14, notochaetae of chaetigers 1 to 4; ne34, neurochaetae of chaetigers 3 and 4; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field; acf, anus ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230045" httpUri="https://zenodo.org/record/5230045/files/figure.png" pageId="14" pageNumber="535">Figure 8C</figureCitation>
); pygidium with two low lateral lobes (
<figureCitation id="CD8E2A449E25FFB6FC877655FC7BF97B" box="[795,919,1661,1685]" captionStart="Figure 8" captionStartId="13.[125,185,816,835]" captionTargetBox="[125,1174,133,780]" captionTargetId="figure-126@13.[125,1174,133,780]" captionTargetPageId="13" captionText="Figure 8. Myriochele olgae BIOICE 2065. (A) Anterior end, anteroventral view (right side) of a contracted specimen; (B) notopodium of chaetiger 16 showing two types of notochaetae; (C) hooks of first neuropodium; (D) posterior end; (E) detail of cilia from anus ciliated field; (F) anterior end, ventral view of a noncontracted specimen; (G) detail of two types of notochaetae of chaetiger 6; (H) view of mouth with food remains; (I) detail of food (diatom frustules); (J) ventral view of three anterior chaetigers showing limit of neck ciliated field; (K) detail of cilia from neck ciliated field; (L) detail of cilia from mouth ciliated field. In (A) and (F), chaetae of first four chaetigers numbered. no14, notochaetae of chaetigers 1 to 4; ne34, neurochaetae of chaetigers 3 and 4; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field; acf, anus ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230045" httpUri="https://zenodo.org/record/5230045/files/figure.png" pageId="14" pageNumber="535">Figure 8D</figureCitation>
).
</paragraph>
<paragraph id="550A36C19E24FFB7FF0470A1FC00FF0F" blockId="15.[125,1172,137,291]" pageId="15" pageNumber="536">
As in
<taxonomicName id="92B54D429E24FFB7FF4670A1FEDBFF4F" authorityName=": Nilsen and Holthe" authorityYear="1985" box="[218,311,137,161]" class="Polychaeta" family="Oweniidae" genus="Myriochele" kingdom="Animalia" order="Sabellida" pageId="15" pageNumber="536" phylum="Annelida" rank="species" species="heeri">
<emphasis id="67C1EAD39E24FFB7FF4670A1FEDBFF4F" box="[218,311,137,161]" italics="true" pageId="15" pageNumber="536">M. heeri</emphasis>
</taxonomicName>
, ciliated fields associated with head and mouth distinct (
<figureCitation id="CD8E2A449E24FFB7FC5870A1FB98FF4F" box="[964,1140,137,161]" captionStart="Figure 8" captionStartId="13.[125,185,816,835]" captionTargetBox="[125,1174,133,780]" captionTargetId="figure-126@13.[125,1174,133,780]" captionTargetPageId="13" captionText="Figure 8. Myriochele olgae BIOICE 2065. (A) Anterior end, anteroventral view (right side) of a contracted specimen; (B) notopodium of chaetiger 16 showing two types of notochaetae; (C) hooks of first neuropodium; (D) posterior end; (E) detail of cilia from anus ciliated field; (F) anterior end, ventral view of a noncontracted specimen; (G) detail of two types of notochaetae of chaetiger 6; (H) view of mouth with food remains; (I) detail of food (diatom frustules); (J) ventral view of three anterior chaetigers showing limit of neck ciliated field; (K) detail of cilia from neck ciliated field; (L) detail of cilia from mouth ciliated field. In (A) and (F), chaetae of first four chaetigers numbered. no14, notochaetae of chaetigers 1 to 4; ne34, neurochaetae of chaetigers 3 and 4; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field; acf, anus ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230045" httpUri="https://zenodo.org/record/5230045/files/figure.png" pageId="15" pageNumber="536">Figure 8F, JL</figureCitation>
); a dense ciliated anal field observed at the pigidium (
<figureCitation id="CD8E2A449E24FFB7FD497081FC9FFF2F" box="[725,883,169,193]" captionStart="Figure 8" captionStartId="13.[125,185,816,835]" captionTargetBox="[125,1174,133,780]" captionTargetId="figure-126@13.[125,1174,133,780]" captionTargetPageId="13" captionText="Figure 8. Myriochele olgae BIOICE 2065. (A) Anterior end, anteroventral view (right side) of a contracted specimen; (B) notopodium of chaetiger 16 showing two types of notochaetae; (C) hooks of first neuropodium; (D) posterior end; (E) detail of cilia from anus ciliated field; (F) anterior end, ventral view of a noncontracted specimen; (G) detail of two types of notochaetae of chaetiger 6; (H) view of mouth with food remains; (I) detail of food (diatom frustules); (J) ventral view of three anterior chaetigers showing limit of neck ciliated field; (K) detail of cilia from neck ciliated field; (L) detail of cilia from mouth ciliated field. In (A) and (F), chaetae of first four chaetigers numbered. no14, notochaetae of chaetigers 1 to 4; ne34, neurochaetae of chaetigers 3 and 4; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field; acf, anus ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230045" httpUri="https://zenodo.org/record/5230045/files/figure.png" pageId="15" pageNumber="536">Figure 8D, E</figureCitation>
); food remains, possible diatom frustules, present inside the mouth of
<specimenCount id="43B3FD489E24FFB7FD0B70E1FCDAFF0F" box="[663,822,201,225]" pageId="15" pageNumber="536" type="generic">one specimen</specimenCount>
(
<figureCitation id="CD8E2A449E24FFB7FCDB70E1FC30FF0F" box="[839,988,201,225]" captionStart="Figure 8" captionStartId="13.[125,185,816,835]" captionTargetBox="[125,1174,133,780]" captionTargetId="figure-126@13.[125,1174,133,780]" captionTargetPageId="13" captionText="Figure 8. Myriochele olgae BIOICE 2065. (A) Anterior end, anteroventral view (right side) of a contracted specimen; (B) notopodium of chaetiger 16 showing two types of notochaetae; (C) hooks of first neuropodium; (D) posterior end; (E) detail of cilia from anus ciliated field; (F) anterior end, ventral view of a noncontracted specimen; (G) detail of two types of notochaetae of chaetiger 6; (H) view of mouth with food remains; (I) detail of food (diatom frustules); (J) ventral view of three anterior chaetigers showing limit of neck ciliated field; (K) detail of cilia from neck ciliated field; (L) detail of cilia from mouth ciliated field. In (A) and (F), chaetae of first four chaetigers numbered. no14, notochaetae of chaetigers 1 to 4; ne34, neurochaetae of chaetigers 3 and 4; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field; acf, anus ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230045" httpUri="https://zenodo.org/record/5230045/files/figure.png" pageId="15" pageNumber="536">Figure 8H, I</figureCitation>
).
</paragraph>
<paragraph id="550A36C19E24FFB7FF0470C2FD01FECD" blockId="15.[125,1172,137,291]" pageId="15" pageNumber="536">
Tube with cylindrical middle part and long tapering ends, covered by sponge spicules or sand grains depending on bottom nature (
<figureCitation id="CD8E2A449E24FFB7FDF77123FD33FECD" box="[619,735,267,291]" captionStart="Figure 13" captionStartId="18.[138,198,1618,1637]" captionTargetBox="[164,1158,176,1583]" captionTargetId="figure-1@18.[164,1159,176,1583]" captionTargetPageId="18" captionText="Figure 13. Some examples of Myriochele heeri (22572700) and Myriochele olgae (20652700) tubes collected in different localities in the BIOICE project. Scale bar: 1 mm." figureDoi="http://doi.org/10.5281/zenodo.5230055" httpUri="https://zenodo.org/record/5230055/files/figure.png" pageId="15" pageNumber="536">Figure 13</figureCitation>
).
</paragraph>
<paragraph id="550A36C19E24FFB7FFE17173FF11FE9D" blockId="15.[125,253,347,371]" box="[125,253,347,371]" pageId="15" pageNumber="536">
<emphasis id="67C1EAD39E24FFB7FFE17173FF11FE9D" box="[125,253,347,371]" italics="true" pageId="15" pageNumber="536">Distribution</emphasis>
</paragraph>
<paragraph id="550A36C19E24FFB7FFE171A4FD6EFDE8" blockId="15.[125,1172,396,518]" pageId="15" pageNumber="536">
<taxonomicName id="92B54D429E24FFB7FFE171A4FED9FE4A" authorityName="BIOICE" authorityYear="2065" box="[125,309,396,420]" class="Polychaeta" family="Oweniidae" genus="Myriochele" kingdom="Animalia" order="Sabellida" pageId="15" pageNumber="536" phylum="Annelida" rank="species" species="olgae">
<emphasis id="67C1EAD39E24FFB7FFE171A4FED9FE4A" box="[125,309,396,420]" italics="true" pageId="15" pageNumber="536">Myriochele olgae</emphasis>
</taxonomicName>
was originally described from the East Pacific coast of North America (California) and is now reported from
<collectingCountry id="2DA276519E24FFB7FDA77185FD79FE2B" box="[571,661,429,453]" name="Iceland" pageId="15" pageNumber="536">Iceland</collectingCountry>
. In Icelandic waters, the species seems to be restricted to sector a on the north coast (
<figureCitation id="CD8E2A449E24FFB7FDF571E5FD20FE0B" box="[617,716,461,485]" captionStart="Figure 2" captionStartId="5.[125,185,1154,1173]" captionTargetBox="[127,1171,135,1116]" captionTargetId="figure-151@5.[125,1173,133,1118]" captionTargetPageId="5" captionText="Figure 2. Distribution maps of species. Sectors and BIOICE sampling sites of Myriochele heeri sensu lato and Myrioglobula islandica taken from Parapar (2003a)." figureDoi="http://doi.org/10.5281/zenodo.5230031" httpUri="https://zenodo.org/record/5230031/files/figure.png" pageId="15" pageNumber="536">Figure 2</figureCitation>
) at a wide depth (
<quantity id="924D9B249E24FFB7FC3071E5FBBAFE0B" box="[940,1110,461,485]" metricMagnitude="2" metricUnit="m" metricValue="6.672499999999999" metricValueMax="11.365" metricValueMin="1.98" pageId="15" pageNumber="536" unit="m" value="667.25" valueMax="1136.5" valueMin="198.0">1981136.5 m</quantity>
) and temperature (20.65.1
<emphasis id="67C1EAD39E24FFB7FE1771C6FE79FDE8" bold="true" box="[395,405,494,518]" italics="true" pageId="15" pageNumber="536">°</emphasis>
C) range (
<figureCitation id="CD8E2A449E24FFB7FD9271C6FD9FFDE8" box="[526,627,494,518]" captionStart="Figure 6" captionStartId="9.[125,185,821,840]" captionTargetBox="[126,1171,133,784]" captionTargetId="figure-1@9.[125,1173,133,785]" captionTargetPageId="9" captionText="Figure 6. Relationship between bottom water temperature and water depth at sampling sites where Myriochele and Myrioglobula species were found. Data from M. heeri sensu lato and Myrioglobula islandica obtained from Parapar (2003a)." figureDoi="http://doi.org/10.5281/zenodo.5230039" httpUri="https://zenodo.org/record/5230039/files/figure.png" pageId="15" pageNumber="536">Figure 6</figureCitation>
).
</paragraph>
<paragraph id="550A36C19E24FFB7FFE17216FF30FDB8" blockId="15.[125,220,574,598]" box="[125,220,574,598]" pageId="15" pageNumber="536">
<emphasis id="67C1EAD39E24FFB7FFE17216FF30FDB8" box="[125,220,574,598]" italics="true" pageId="15" pageNumber="536">Remarks</emphasis>
</paragraph>
<paragraph id="550A36C19E24FFB7FFE17247FDE7FC45" blockId="15.[125,1173,623,1394]" pageId="15" pageNumber="536">
The investigation of the
<typeStatus id="8A0E88639E24FFB7FE3B7247FDE7FD69" box="[423,523,623,647]" pageId="15" pageNumber="536" type="holotype">holotype</typeStatus>
of
<taxonomicName id="92B54D429E24FFB7FDA47247FD03FD69" authorityName="BIOICE" authorityYear="2065" box="[568,751,623,647]" class="Polychaeta" family="Oweniidae" genus="Myriochele" kingdom="Animalia" order="Sabellida" pageId="15" pageNumber="536" phylum="Annelida" rank="species" species="olgae">
<emphasis id="67C1EAD39E24FFB7FDA47247FD03FD69" box="[568,751,623,647]" italics="true" pageId="15" pageNumber="536">Myriochele olgae</emphasis>
</taxonomicName>
(
<collectionCode id="33A4AE049E24FFB7FC9F7247FCB0FD69" box="[771,860,623,647]" country="USA" httpUri="http://biocol.org/urn:lsid:biocol.org:col:34871" lsid="urn:lsid:biocol.org:col:34871" name="Smithsonian Institution, National Museum of Natural History" pageId="15" pageNumber="536" type="Museum">USNM</collectionCode>
186431) showed that the general body shape, size, number of chaetigers, and thoracic formula of the specimen are completely in agreement with the Icelandic specimens (Table II). The only difference was in the relative length of the anterior biramous chaetigers; in the
<typeStatus id="8A0E88639E24FFB7FC1A72F8FC06FD06" box="[902,1002,720,744]" pageId="15" pageNumber="536" type="holotype">holotype</typeStatus>
chaetiger 3 is about four times longer than the uniramous chaetigers (chaetigers 1 and 2) and chaetiger 4 is the longest of the body, the following being shorter. In Icelandic specimens chaetiger 3 is about three times longer than uniramous chaetigers and an increasing length is observed from the fourth to sixth chaetigers. In both cases chaetiger 4 is about two times longer than the first three chaetigers combined. In my opinion, those differences are not significant enough to describe a new species.
</paragraph>
<paragraph id="550A36C19E24FFB7FF04739CFCD0FB80" blockId="15.[125,1173,623,1394]" pageId="15" pageNumber="536">
Specimens named
<taxonomicName id="92B54D429E24FFB7FEEF739CFDBFFC22" authorityName="BIOICE" authorityYear="2065" box="[371,595,948,972]" class="Polychaeta" family="Oweniidae" genus="Myriochele" kingdom="Animalia" order="Sabellida" pageId="15" pageNumber="536" phylum="Annelida" rank="species" species="olgae">
<emphasis id="67C1EAD39E24FFB7FEEF739CFE05FC22" box="[371,489,948,972]" italics="true" pageId="15" pageNumber="536">Myriochele</emphasis>
aff.
<emphasis id="67C1EAD39E24FFB7FD81739CFDBFFC22" box="[541,595,948,972]" italics="true" pageId="15" pageNumber="536">olgae</emphasis>
</taxonomicName>
from BIOICE samples 2423 and 2424 (
<figureCitation id="CD8E2A449E24FFB7FBB5739CFB67FC22" box="[1065,1163,948,972]" captionStart="Figure 9" captionStartId="14.[138,198,1033,1052]" captionTargetBox="[138,1187,133,995]" captionTargetId="figure-126@14.[138,1187,133,997]" captionTargetPageId="14" captionText="Figure 9. (AC) Myriochele aff. olgae with asymmetric biramous second chaetiger BIOICE 2423: (A) anterior end, lateroventral view (left side); (B) first neuropod in second chaetiger; (C) detail of hooks of first neuropod piercing the epidermis. (DI) Myriochele aff. olgae from BIOICE 2424: (D) anterior end of a recently broken specimen; (E) posterior end with only neuropodial hooks; (F) specimen regenerating anterior end; (G) anterior end in ventral view of a specimen with a supernumerary fourth chaetiger (arrow); (H) posterior end in lateral view; (I) pigidial ciliated field. In (A), chaetae of first chaetigers numbered. no13, notochaetae of chaetigers 1 to 3; ne23, neurochaetae of chaetigers 2 and 3; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field, acf, anus ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230047" httpUri="https://zenodo.org/record/5230047/files/figure.png" pageId="15" pageNumber="536">Figure 9</figureCitation>
) show some abnormal characters such as: (1) asymmetrical second biramous chaetiger with left neuropodial hooks partially piercing the epidermis (
<figureCitation id="CD8E2A449E24FFB7FC8273DDFC56FBE3" box="[798,954,1013,1037]" captionStart="Figure 9" captionStartId="14.[138,198,1033,1052]" captionTargetBox="[138,1187,133,995]" captionTargetId="figure-126@14.[138,1187,133,997]" captionTargetPageId="14" captionText="Figure 9. (AC) Myriochele aff. olgae with asymmetric biramous second chaetiger BIOICE 2423: (A) anterior end, lateroventral view (left side); (B) first neuropod in second chaetiger; (C) detail of hooks of first neuropod piercing the epidermis. (DI) Myriochele aff. olgae from BIOICE 2424: (D) anterior end of a recently broken specimen; (E) posterior end with only neuropodial hooks; (F) specimen regenerating anterior end; (G) anterior end in ventral view of a specimen with a supernumerary fourth chaetiger (arrow); (H) posterior end in lateral view; (I) pigidial ciliated field. In (A), chaetae of first chaetigers numbered. no13, notochaetae of chaetigers 1 to 3; ne23, neurochaetae of chaetigers 2 and 3; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field, acf, anus ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230047" httpUri="https://zenodo.org/record/5230047/files/figure.png" pageId="15" pageNumber="536">Figure 9AC</figureCitation>
); (2) anterior end broken or in process of regeneration (
<figureCitation id="CD8E2A449E24FFB7FDB0743DFD2AFBC3" box="[556,710,1045,1069]" captionStart="Figure 9" captionStartId="14.[138,198,1033,1052]" captionTargetBox="[138,1187,133,995]" captionTargetId="figure-126@14.[138,1187,133,997]" captionTargetPageId="14" captionText="Figure 9. (AC) Myriochele aff. olgae with asymmetric biramous second chaetiger BIOICE 2423: (A) anterior end, lateroventral view (left side); (B) first neuropod in second chaetiger; (C) detail of hooks of first neuropod piercing the epidermis. (DI) Myriochele aff. olgae from BIOICE 2424: (D) anterior end of a recently broken specimen; (E) posterior end with only neuropodial hooks; (F) specimen regenerating anterior end; (G) anterior end in ventral view of a specimen with a supernumerary fourth chaetiger (arrow); (H) posterior end in lateral view; (I) pigidial ciliated field. In (A), chaetae of first chaetigers numbered. no13, notochaetae of chaetigers 1 to 3; ne23, neurochaetae of chaetigers 2 and 3; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field, acf, anus ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230047" httpUri="https://zenodo.org/record/5230047/files/figure.png" pageId="15" pageNumber="536">Figure 9D, F</figureCitation>
); (3) a supernumerary second biramous chaetiger (
<figureCitation id="CD8E2A449E24FFB7FE9C741DFE97FBA3" box="[256,379,1077,1101]" captionStart="Figure 9" captionStartId="14.[138,198,1033,1052]" captionTargetBox="[138,1187,133,995]" captionTargetId="figure-126@14.[138,1187,133,997]" captionTargetPageId="14" captionText="Figure 9. (AC) Myriochele aff. olgae with asymmetric biramous second chaetiger BIOICE 2423: (A) anterior end, lateroventral view (left side); (B) first neuropod in second chaetiger; (C) detail of hooks of first neuropod piercing the epidermis. (DI) Myriochele aff. olgae from BIOICE 2424: (D) anterior end of a recently broken specimen; (E) posterior end with only neuropodial hooks; (F) specimen regenerating anterior end; (G) anterior end in ventral view of a specimen with a supernumerary fourth chaetiger (arrow); (H) posterior end in lateral view; (I) pigidial ciliated field. In (A), chaetae of first chaetigers numbered. no13, notochaetae of chaetigers 1 to 3; ne23, neurochaetae of chaetigers 2 and 3; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field, acf, anus ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230047" httpUri="https://zenodo.org/record/5230047/files/figure.png" pageId="15" pageNumber="536">Figure 9G</figureCitation>
); and (4) last chaetigers without notopodia (
<figureCitation id="CD8E2A449E24FFB7FC5A741DFBD1FBA3" box="[966,1085,1077,1101]" captionStart="Figure 9" captionStartId="14.[138,198,1033,1052]" captionTargetBox="[138,1187,133,995]" captionTargetId="figure-126@14.[138,1187,133,997]" captionTargetPageId="14" captionText="Figure 9. (AC) Myriochele aff. olgae with asymmetric biramous second chaetiger BIOICE 2423: (A) anterior end, lateroventral view (left side); (B) first neuropod in second chaetiger; (C) detail of hooks of first neuropod piercing the epidermis. (DI) Myriochele aff. olgae from BIOICE 2424: (D) anterior end of a recently broken specimen; (E) posterior end with only neuropodial hooks; (F) specimen regenerating anterior end; (G) anterior end in ventral view of a specimen with a supernumerary fourth chaetiger (arrow); (H) posterior end in lateral view; (I) pigidial ciliated field. In (A), chaetae of first chaetigers numbered. no13, notochaetae of chaetigers 1 to 3; ne23, neurochaetae of chaetigers 2 and 3; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field, acf, anus ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230047" httpUri="https://zenodo.org/record/5230047/files/figure.png" pageId="15" pageNumber="536">Figure 9E</figureCitation>
). Cilia associated with pygidial lobes were also seen (
<figureCitation id="CD8E2A449E24FFB7FD0B747EFCC0FB80" box="[663,812,1110,1134]" captionStart="Figure 9" captionStartId="14.[138,198,1033,1052]" captionTargetBox="[138,1187,133,995]" captionTargetId="figure-126@14.[138,1187,133,997]" captionTargetPageId="14" captionText="Figure 9. (AC) Myriochele aff. olgae with asymmetric biramous second chaetiger BIOICE 2423: (A) anterior end, lateroventral view (left side); (B) first neuropod in second chaetiger; (C) detail of hooks of first neuropod piercing the epidermis. (DI) Myriochele aff. olgae from BIOICE 2424: (D) anterior end of a recently broken specimen; (E) posterior end with only neuropodial hooks; (F) specimen regenerating anterior end; (G) anterior end in ventral view of a specimen with a supernumerary fourth chaetiger (arrow); (H) posterior end in lateral view; (I) pigidial ciliated field. In (A), chaetae of first chaetigers numbered. no13, notochaetae of chaetigers 1 to 3; ne23, neurochaetae of chaetigers 2 and 3; sno, short notochaetae; lno, long notochaetae; ncf, neck ciliated field, acf, anus ciliated field." figureDoi="http://doi.org/10.5281/zenodo.5230047" httpUri="https://zenodo.org/record/5230047/files/figure.png" pageId="15" pageNumber="536">Figure 9H, I</figureCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="1DAF654A9E24FFB7FF04745FFF26FA9C" pageId="15" pageNumber="536" type="reference_group">
<paragraph id="550A36C19E24FFB7FF04745FFF26FA9C" blockId="15.[125,1173,623,1394]" pageId="15" pageNumber="536">
Unlike
<taxonomicName id="92B54D429E24FFB7FF6D7450FEBEFB61" ID-CoL="458PK" authorityName=": Nilsen and Holthe" authorityYear="1985" box="[241,338,1143,1167]" class="Polychaeta" family="Oweniidae" genus="Myriochele" kingdom="Animalia" order="Sabellida" pageId="15" pageNumber="536" phylum="Annelida" rank="species" species="heeri">
<emphasis id="67C1EAD39E24FFB7FF6D7450FEBEFB61" box="[241,338,1143,1167]" italics="true" pageId="15" pageNumber="536">M. heeri</emphasis>
</taxonomicName>
, in which the principal taxonomic characters (number of uniramous/ biramous anterior chaetigers and their relative length) seem to be consistent, the Icelandic specimens of
<taxonomicName id="92B54D429E24FFB7FE857490FE20FB3E" ID-CoL="458PR" authorityName="BIOICE" authorityYear="2065" box="[281,460,1208,1232]" class="Polychaeta" family="Oweniidae" genus="Myriochele" kingdom="Animalia" order="Sabellida" pageId="15" pageNumber="536" phylum="Annelida" rank="species" species="olgae">
<emphasis id="67C1EAD39E24FFB7FE857490FE20FB3E" box="[281,460,1208,1232]" italics="true" pageId="15" pageNumber="536">Myriochele olgae</emphasis>
</taxonomicName>
show a high variability in the presence of asymmetric anterior chaetigers and differences in the relative chaetiger length (see above). This variability would correspond to decapitation due to predation or an asexual reproduction process by bipartition, a reproductive strategy previously reported by
<bibRefCitation id="31244B309E24FFB7FCBD7531FC33FADF" author="Parapar J" box="[801,991,1305,1329]" pageId="15" pageNumber="536" pagination="274 - 290" refId="ref12332" refString="Parapar J. 2003 a. Oweniidae (Annelida, Polychaeta) from Icelandic waters, collected by the BIOICE project, with the description of Myrioglobula islandica n. sp. Sarsia 88: 274 - 290." type="journal article" year="2003">Parapar (2003a)</bibRefCitation>
in the BIOICE oweniids
<taxonomicName id="92B54D429E24FFB7FF767511FCE1FABF" ID-CoL="3F2S4" authority="(Nilsen and Holthe, 1985)" baseAuthorityName="Nilsen and Holthe" baseAuthorityYear="1985" box="[234,781,1337,1361]" class="Polychaeta" family="Oweniidae" genus="Galathowenia" kingdom="Animalia" order="Sabellida" pageId="15" pageNumber="536" phylum="Annelida" rank="species" species="fragilis">
<emphasis id="67C1EAD39E24FFB7FF767511FE3EFABF" box="[234,466,1337,1361]" italics="true" pageId="15" pageNumber="536">Galathowenia fragilis</emphasis>
(
<bibRefCitation id="31244B309E24FFB7FE7E7511FCE9FABF" author="Nilsen R &amp; Holthe T" box="[482,773,1337,1361]" pageId="15" pageNumber="536" pagination="17 - 32" refId="ref12260" refString="Nilsen R, Holthe T. 1985. Arctic and Scandinavian Oweniidae (Polychaeta) with comments on the phylogeny of the family. Sarsia 70: 17 - 32." type="journal article" year="1985">Nilsen and Holthe, 1985</bibRefCitation>
)
</taxonomicName>
and
<taxonomicName id="92B54D429E24FFB7FCD47511FF2AFA9C" ID-CoL="3F2S7" authority="(Zachs, 1923)" baseAuthorityName="Zachs" baseAuthorityYear="1923" class="Polychaeta" family="Oweniidae" genus="Galathowenia" kingdom="Animalia" order="Sabellida" pageId="15" pageNumber="536" phylum="Annelida" rank="species" species="oculata">
<emphasis id="67C1EAD39E24FFB7FCD47511FBDAFABF" box="[840,1078,1337,1361]" italics="true" pageId="15" pageNumber="536">Galathowenia oculata</emphasis>
(
<bibRefCitation id="31244B309E24FFB7FBDA7511FF51FA9C" author="Zachs IG" pageId="15" pageNumber="536" pagination="171 - 174" refId="ref12704" refString="Zachs IG. 1923. Sur un nouveau Ammocharidae (Myriochele oculata n. sp.) provennant de l'expedition du Prof. Deruguine dans la Mer-Blanche en 1922. Trudy Petrogradskogo Obshchestva Estestvoispytatelei 53: 171 - 174." type="journal article" year="1923">Zachs, 1923</bibRefCitation>
)
</taxonomicName>
.
</paragraph>
</subSubSection>
</treatment>
</document>