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<mods:title id="F0CC66921A179389BA1D51FE5DB0BF63">A reevaluation and redescription of the branchiobdellidan Sathodrilus tetrodonta (Pierantoni, 1906) new comb. (Annelida: Clitellata)</mods:title>
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Redescription of
<taxonomicName id="4C7F528F5831FFF07C3C65760D68FDDC" authority="(Pierantoni, 1906)" authorityName="Gelder" authorityYear="2024" baseAuthorityName="Pierantoni" baseAuthorityYear="1906" box="[365,868,546,573]" class="Clitellata" family="Branchiobdellidae" genus="Sathodrilus" kingdom="Animalia" order="Branchiobdellida" pageId="4" pageNumber="134" phylum="Annelida" rank="species" species="tetrodonta" status="comb. nov.">
<emphasis id="B90BF51E5831FFF07C3C65760C70FDDD" bold="true" box="[365,636,546,573]" italics="true" pageId="4" pageNumber="134">Sathodrilus tetrodonta</emphasis>
(Pierantoni, 1906)
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(
<figureCitation id="134435895831FFF07DCE65130F3EFD81" box="[159,306,583,609]" captionStart="FIGURE 2" captionStartId="5.[151,250,1389,1413]" captionTargetBox="[157,1432,604,1359]" captionTargetId="figure-227@5.[151,1436,597,1366]" captionTargetPageId="5" captionText="FIGURE 2. Sathodrilus tetrodonta. A. Whole worm lateral view; B. Frontal view of jaws; C. Genital segments 56. D. Whole mount lateral view of a paratype (USNM 100445c), scale bar = 0.2 mm; E. Dorsal oblique view of jaws of a paratype (USNM 100445d), scale bar = 10.0 μm; F. Lateral view of genital organs in segments 5 and 6 in a paratype (USNM 100445c), scale bar = 50.0 μm.AC, from Pierantoni (1906c: Tav. 5) A = Fig. 6, B = Fig. 8, C = Fig. 7, modified by Gelder; DG, drawings of or from paratypes by Gelder (unpub. obs.). Abbreviations: at, glandular atrium; b, bursa; dl, deferent lobe; eb, ental bulb; ga, glandular atrium; ma, muscular atrium; p, prostate gland; pm, male pore [= genital pore]; sp, developing spermatozoa; spd, sperm duct; spb, spermathecal bulb; spd, spermathecal duct; spf, sperm funnel; spt, spermatheca; t, testis; vd, vas deferens; ve, vas efferens. Note: In Fig. 2C, testes are shown only in segment 5, one sperm funnel, two vas efferens are shown merging into the vas deferens which enters the glandular atrium. Figure 2F is based on a paratype (USNM 100445c) with the sperm funnels and vas efferens added for completeness from other paratypes where they were visible." figureDoi="http://doi.org/10.5281/zenodo.10561673" httpUri="https://zenodo.org/record/10561673/files/figure.png" pageId="4" pageNumber="134">Figure 2AF</figureCitation>
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<emphasis id="B90BF51E5831FFF07DC665DF0FA8FD43" box="[151,420,651,675]" italics="true" pageId="4" pageNumber="134">Branchiobdella tetrodonta</emphasis>
<bibRefCitation id="EFEE54FD5831FFF07CFB65DF0C75FD43" author="Pierantoni, U." box="[426,633,651,675]" pageId="4" pageNumber="134" pagination="1 - 9" refId="ref9316" refString="Pierantoni, U. (1906 c) Nuovi Discodrilidi del Giappone e della California. Annuario Rigia Museo zoologico della R. Universita di Napoli, 2, 1 - 9." type="journal article" year="1906">Pierantoni, 1906c: 3</bibRefCitation>
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, Tav. 5, Figs. 68;
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<bibRefCitation id="EFEE54FD5831FFF07E6B65DF0A08FD43" author="Pierantoni, U." box="[826,1028,651,675]" pageId="4" pageNumber="134" pagination="1 - 27" refId="ref9349" refString="Pierantoni, U. (1912) Monografia dei Discodrilidae. Annuario del Museo Zoologico della Rigia Universita di Napoli, New Series, 3, 1 - 27." type="journal article" year="1912">Pierantoni 1912: 16</bibRefCitation>
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, Fig. 9A, B;
<treatmentCitation id="0ADE0F1D5831FFF079D965DF0B2AFD43" author="Ellis, M. M." box="[1160,1318,651,675]" page="485" pageId="4" pageNumber="134" year="1912">
<bibRefCitation id="EFEE54FD5831FFF079D965DF0B2AFD43" author="Ellis, M. M." box="[1160,1318,651,675]" pageId="4" pageNumber="134" pagination="481 - 486" refId="ref6836" refString="Ellis, M. M. (1912) A new discodrilid worm from Colorado. Proceedings of the United States National Museum, 42, 481 - 486. https: // doi. org / 10.5479 / si. 00963801.42 - 1912.481" type="journal article" year="1912">Ellis 1912: 485</bibRefCitation>
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<treatmentCitation id="0ADE0F1D5831FFF0786165DF0EFCFD22" author="Hall, M. C." page="190" pageId="4" pageNumber="134" year="1914">
<bibRefCitation id="EFEE54FD5831FFF0786165DF0EFCFD22" author="Hall, M. C." pageId="4" pageNumber="134" pagination="187 - 193" refId="ref7945" refString="Hall, M. C. (1914) Descriptions of a new genus and species of the discodrilid worms. Proceedings of the United States National Museum, 48, 187 - 193. https: // doi. org / 10.5479 / si. 00963801.48 - 2071.187" type="journal article" year="1914">Hall 1914: 190</bibRefCitation>
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<treatmentCitation id="0ADE0F1D5831FFF07DAA65FE0FC4FD22" author="Goodnight, C. J." box="[251,456,682,706]" page="12" pageId="4" pageNumber="134" year="1939">
<bibRefCitation id="EFEE54FD5831FFF07DAA65FE0FC4FD22" author="Goodnight, C. J." box="[251,456,682,706]" pageId="4" pageNumber="134" pagination="11" refId="ref7841" refString="Goodnight, C. J. (1939) Geographical distribution of North American branchiobdellids. Journal of Parasitology, 25, 11." type="journal article" year="1939">Goodnight 1939: 12</bibRefCitation>
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,
<treatmentCitation id="0ADE0F1D5831FFF07C8265FE0C36FD22" author="Goodnight, C. J." box="[467,570,682,706]" page="28" pageId="4" pageNumber="134" year="1940">
<bibRefCitation id="EFEE54FD5831FFF07C8265FE0C36FD22" author="Goodnight, C. J." box="[467,570,682,706]" pageId="4" pageNumber="134" pagination="1 - 75" refId="ref7865" refString="Goodnight, C. J. (1940 a) The Branchiobdellidae (Oligochaeta) of North American crayfish. Illinois Biological Monographs, 17, 1 - 75. https: // doi. org / 10.5962 / bhl. title. 50176" type="journal article" year="1940">1940a: 28</bibRefCitation>
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<treatmentCitation id="0ADE0F1D5831FFF07F1465FE0CB6FD22" author="Goodnight, C. J." box="[581,698,682,706]" page="170" pageId="4" pageNumber="134" year="1940">
<bibRefCitation id="EFEE54FD5831FFF07F1465FE0CB6FD22" author="Goodnight, C. J." box="[581,698,682,706]" pageId="4" pageNumber="134" pagination="170 - 171" refId="ref7909" refString="Goodnight, C. J. (1940 b) New records of branchiobdellids (Oligochaeta) and their crayfish hosts. Report of the Reelfoot Lake Biological Station, 4, 170 - 171." type="journal article" year="1940">1940b: 170</bibRefCitation>
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<treatmentCitation id="0ADE0F1D5831FFF07F9465FE0D4BFD22" author="Holt, P. C." box="[709,839,682,706]" page="6" pageId="4" pageNumber="134" year="1967">
<bibRefCitation id="EFEE54FD5831FFF07F9465FE0D4BFD22" author="Holt, P. C." box="[709,839,682,706]" pageId="4" pageNumber="134" pagination="1 - 10" refId="ref8049" refString="Holt, P. C. (1967) Status of genera Branchiobdella and Stephanodrilus in North America with description of a new genus (Clitellata: Branchiobdellida). Proceedings of the United States National Museum, 124, 1 - 10. https: // doi. org / 10.5479 / si. 00963801.124 - 3631.1" type="journal article" year="1967">Holt 1967: 6</bibRefCitation>
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<treatmentCitation id="0ADE0F1D5831FFF07E0365FE0A0AFD22" author="Gelder, S. R." box="[850,1030,682,706]" page="659" pageId="4" pageNumber="134" year="1996">
<bibRefCitation id="EFEE54FD5831FFF07E0365FE0A0AFD22" author="Gelder, S. R." box="[850,1030,682,706]" pageId="4" pageNumber="134" pagination="653 - 663" refId="ref6996" refString="Gelder, S. R. (1996) A review of the taxonomic nomenclature and a checklist of the species of the Branchiobdellae (Annelida: Clitellata). Proceedings of the Biological Society of Washington, 109, 653 - 663." type="journal article" year="1996">Gelder 1996: 659</bibRefCitation>
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<treatmentCitation id="0ADE0F1D5831FFF0794165FE0AB1FD22" author="Timm, T." box="[1040,1213,682,706]" page="328" pageId="4" pageNumber="134" year="1991">
<bibRefCitation id="EFEE54FD5831FFF0794165FE0AB1FD22" author="Timm, T." box="[1040,1213,682,706]" pageId="4" pageNumber="134" pagination="321 - 331" refId="ref9909" refString="Timm, T. (1991) Branchiobdellida (Oligochaeta) from the farthest South-East of the U. S. S. R. Zoologica Scripta, 20, 321 - 331. https: // doi. org / 10.1111 / j. 1463 - 6409.1991. tb 00297. x" type="journal article" year="1991">Timm 1991: 328</bibRefCitation>
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<treatmentCitation id="0ADE0F1D5831FFF07DC6659C0C21FD01" author="Holt, P. C." box="[151,557,712,737]" page="849" pageId="4" pageNumber="134" year="1981">
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<emphasis id="B90BF51E5831FFF07DC6659C0F72FD00" box="[151,382,712,736]" italics="true" pageId="4" pageNumber="134">Sathodrilus attenuatus</emphasis>
<bibRefCitation id="EFEE54FD5831FFF07CD7659C0C21FD01" author="Holt, P. C." box="[390,557,712,737]" pageId="4" pageNumber="134" pagination="848 - 862" refId="ref8144" refString="Holt, P. C. (1981) New species of Sathodrilus Holt, 1968, (Clitellata: Branchiobdellida) from the Pacific drainage of the United States, with the synonymy of Sathodrilus virgiliae Holt, 1977. Proceedings of the Biological Society of Washington, 94, 848 - 862." type="journal article" year="1981">Holt, 1981: 849</bibRefCitation>
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Kim
<emphasis id="B90BF51E5831FFF07F3E659D0C91FD00" box="[623,669,712,736]" italics="true" pageId="4" pageNumber="134">et al</emphasis>
. 1996: 208
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Winnepenninckx
<emphasis id="B90BF51E5831FFF07E86659D0A0AFD00" box="[983,1030,712,736]" italics="true" pageId="4" pageNumber="134">et al</emphasis>
. 1998: 891
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<bibRefCitation id="EFEE54FD5831FFF07EDD64D40A86FC79" author="Hoshino, T. &amp; Ohtaka, A. &amp; Smith, R. J." box="[908,1162,896,921]" pageId="4" pageNumber="134" pagination="99 - 106" refId="ref8199" refString="Hoshino, T., Ohtaka, A. &amp; Smith, R. J. (2023) New records of the signal crayfish and its ectosymbiotic branchiobdellidan and ostracod from Lake Sugenuma in Gunma Prefecture, central Japan. Bulletin of Gunma Museum of Natural History, 27, 99 - 106. [in Japanese with English abstract]" type="journal article" year="2023">
Hoshino
<emphasis id="B90BF51E5831FFF07EB964D50A19FC78" box="[1000,1045,896,920]" italics="true" pageId="4" pageNumber="134">et al</emphasis>
. 2023: 102
</bibRefCitation>
</treatmentCitation>
.
</treatmentCitationGroup>
</paragraph>
</subSubSection>
<subSubSection id="C3657A875831FFF07DC664930F22FB75" pageId="4" pageNumber="134" type="materials_examined">
<paragraph id="8BC0290C5831FFF07DC664930F22FB75" blockId="4.[151,1437,966,2037]" pageId="4" pageNumber="134">
<emphasis id="B90BF51E5831FFF07DC664930F4FFC00" bold="true" box="[151,323,966,993]" pageId="4" pageNumber="134">Type material.</emphasis>
<materialsCitation id="3B1723515831FFF07C1964930F22FB75" collectionCode="NHMW" location="Klamath" municipality="Klamath River" pageId="4" pageNumber="134" specimenCount="1" stateProvince="California" typeStatus="syntype">
<bibRefCitation id="EFEE54FD5831FFF07C1964930C3EFC01" author="Pierantoni, U." box="[328,562,967,993]" pageId="4" pageNumber="134" pagination="1 - 9" refId="ref9316" refString="Pierantoni, U. (1906 c) Nuovi Discodrilidi del Giappone e della California. Annuario Rigia Museo zoologico della R. Universita di Napoli, 2, 1 - 9." type="journal article" year="1906">Pierantoni (1906c: 3)</bibRefCitation>
described “
<taxonomicName id="4C7F528F5831FFF07FE564930DD0FC01" authorityName="Pierantoni" authorityYear="1906" box="[692,988,967,993]" class="Clitellata" family="Branchiobdellidae" genus="Branchiobdella" kingdom="Animalia" order="Branchiobdellida" pageId="4" pageNumber="134" phylum="Annelida" rank="species" species="tetrodonta">
<emphasis id="B90BF51E5831FFF07FE564930DD0FC01" box="[692,988,967,993]" italics="true" pageId="4" pageNumber="134">Branchiobdella tetrodonta</emphasis>
</taxonomicName>
” from
<specimenCount id="9D79E2855831FFF0797864930A92FC01" box="[1065,1182,967,993]" pageId="4" pageNumber="134" type="generic">specimens</specimenCount>
removed from
<taxonomicName id="4C7F528F5831FFF0781464930FE8FBE5" authority="Stimpson, 1857" authorityName="Stimpson" authorityYear="1857" class="Malacostraca" family="Astacidae" genus="Astacus" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="134" phylum="Arthropoda" rank="species" species="klamathensis">
<emphasis id="B90BF51E5831FFF0781464930F25FBE5" italics="true" pageId="4" pageNumber="134">Astacus klamathensis</emphasis>
<bibRefCitation id="EFEE54FD5831FFF07C6364BF0FE8FBE5" author="Stimpson, W." box="[306,484,1002,1029]" pageId="4" pageNumber="134" pagination="84 - 89" refId="ref9664" refString="Stimpson, W. (1857) Notices of new species of Crustacea of western North America; being an abstract from a paper to be published in the journal of the society. Proceedings of the Boston Society of Natural History, 6, 84 - 89. https: // doi. org / 10.5962 / bhl. part. 15468" type="journal article" year="1857">Stimpson, 1857</bibRefCitation>
</taxonomicName>
(=
<taxonomicName id="4C7F528F5831FFF07F5F64BF0DC0FBE5" authority="(Dana, 1852))" authorityName="" baseAuthorityName="Dana" baseAuthorityYear="1852" box="[526,972,1002,1029]" class="Malacostraca" family="Astacidae" genus="Pacifastacus" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="134" phylum="Arthropoda" rank="species" species="leniusculus">
<emphasis id="B90BF51E5831FFF07F5F64BF0D28FBE5" box="[526,804,1003,1029]" italics="true" pageId="4" pageNumber="134">Pacifastacus leniusculus</emphasis>
(
<bibRefCitation id="EFEE54FD5831FFF07E6464BF0DB6FBE5" author="Dana, J. D." box="[821,954,1002,1029]" pageId="4" pageNumber="134" refId="ref6773" refString="Dana, J. D. (1852) United States Exploring Expedition during the years 1838, 1839, 1840, 1841, 1842, under the Command of Charles Wilkes, U. S. N. Vol. 13. Crustacea. Part I. C. Sherman, Philadelphia, 96 pls. (atlas, 1855)." type="journal volume" year="1852">Dana, 1852</bibRefCitation>
))
</taxonomicName>
that had been collected from the “fiume
<location id="8EA07FD75831FFF07DC6635B0EFBFBC9" LSID="urn:lsid:plazi:treatment:03D6981A5831FFF27DC665760D41FB09:8EA07FD75831FFF07DC6635B0EFBFBC9" box="[151,247,1039,1065]" municipality="Klamath River" name="Klamath" pageId="4" pageNumber="134" stateProvince="California">Klamath</location>
(
<collectingRegion id="49BBE7EE5831FFF07C57635B0F71FBC9" box="[262,381,1039,1065]" country="United States of America" name="California" pageId="4" pageNumber="134">California</collectingRegion>
)” [
<collectingMunicipality id="6BA4B3765831FFF07CCC635B0C4BFBC9" box="[413,583,1039,1065]" pageId="4" pageNumber="134">Klamath River</collectingMunicipality>
, California]. However, he neither designated any type specimens, nor stated which institution received the
<typeStatus id="54C497AE5831FFF07CA763670C50FBAD" box="[502,604,1075,1101]" pageId="4" pageNumber="134" type="syntype">syntypes</typeStatus>
. Attempts to find any syntypes in alcohol in the
<collectionCode id="ED6EB1C95831FFF079C563670AE3FBAD" box="[1172,1263,1075,1101]" collectionName="Austria, Wien, Naturhistorisches Museum Wien" country="Austria" httpUri="http://grbio.org/cool/91g3-0mnw" name="Naturhistorisches Museum, Wien" pageId="4" pageNumber="134" type="Museum">NHMW</collectionCode>
(
<bibRefCitation id="EFEE54FD5831FFF0785163670B9BFBAD" author="Holt, P. C." box="[1280,1431,1075,1101]" pageId="4" pageNumber="134" pagination="1 - 10" refId="ref8049" refString="Holt, P. C. (1967) Status of genera Branchiobdella and Stephanodrilus in North America with description of a new genus (Clitellata: Branchiobdellida). Proceedings of the United States National Museum, 124, 1 - 10. https: // doi. org / 10.5479 / si. 00963801.124 - 3631.1" type="journal article" year="1967">Holt 1967: 7</bibRefCitation>
, Gelder unpub. data,
<bibRefCitation id="EFEE54FD5831FFF07CD163030C9AFB91" author="Subchev, M. A. &amp; Gelder, S. R." box="[384,662,1111,1137]" pageId="4" pageNumber="134" pagination="33 - 42" refId="ref9759" refString="Subchev, M. A. &amp; Gelder, S. R. (2010) Branchiobdellida (Annelida: Clitellata) found in the crayfish collection of the Natural History Museum of Vienna, Austria, with a redescription of Branchiobdella papillosa Nesemann &amp; Hutter, 2002. Acta zoologica Bulgarica, 62, 33 - 42." type="journal article" year="2010">Subchev &amp; Gelder 2010</bibRefCitation>
) as well as other European Museums (
<bibRefCitation id="EFEE54FD5831FFF0790063030AFAFB91" author="Subchev, M. A." box="[1105,1270,1111,1137]" pageId="4" pageNumber="134" pagination="5 - 20" refId="ref9727" refString="Subchev, M. A. (2014) Genus Branchiobdella Odier, 1823: A review of its European species. Acta zoologica Bulgarica, 66, 5 - 20." type="journal article" year="2014">Subchev 2014</bibRefCitation>
) have all been unsuccessful.
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="C3657A875831FFF07D9663CB0D1AFAE1" pageId="4" pageNumber="134" type="reference_group">
<paragraph id="8BC0290C5831FFF07D9663CB0D1AFAE1" blockId="4.[151,1437,966,2037]" pageId="4" pageNumber="134">
<materialsCitation id="3B1723515831FFF07D9663CB0CEBFB59" box="[199,743,1182,1209]" collectingDate="1960-07-11" collectionCode="USNM" county="Douglas County" location="Douglas County" pageId="4" pageNumber="134" specimenCode="USNM 65227, USNM 100445a-i" specimenCount="33" stateProvince="Oregon" typeStatus="holotype">
<taxonomicName id="4C7F528F5831FFF07D9663CB0FCFFB58" authorityName="Holt" authorityYear="1981" box="[199,451,1183,1209]" class="Clitellata" family="Branchiobdellidae" genus="Sathodrilus" kingdom="Animalia" order="Branchiobdellida" pageId="4" pageNumber="134" phylum="Annelida" rank="species" species="attenuatus">
<emphasis id="B90BF51E5831FFF07D9663CB0FCFFB58" box="[199,451,1183,1209]" italics="true" pageId="4" pageNumber="134">Sathodrilus attenuatus</emphasis>
</taxonomicName>
,
<typeStatus id="54C497AE5831FFF07C8163CB0C3EFB59" box="[464,562,1183,1209]" pageId="4" pageNumber="134" type="holotype">holotype</typeStatus>
(
<specimenCode id="DBD981775831FFF07F6E63CB0CD3FB59" box="[575,735,1182,1209]" pageId="4" pageNumber="134">USNM 65227</specimenCode>
)
</materialsCitation>
<materialsCitation id="3B1723515831FFF07FBC63CB0D1AFAE1" collectingDate="1960-07-11" collectionCode="USNM" county="Douglas County" location="Douglas County" pageId="4" pageNumber="134" specimenCode="USNM 65227, USNM 100445a-i" specimenCount="33" stateProvince="Oregon" typeStatus="holotype">
and
<specimenCount id="9D79E2855831FFF07E4A63CB0D3BFB59" box="[795,823,1183,1209]" pageId="4" pageNumber="134" type="generic">32</specimenCount>
<typeStatus id="54C497AE5831FFF07E6C63CB0DA4FB59" box="[829,936,1183,1209]" pageId="4" pageNumber="134">paratypes</typeStatus>
(
<specimenCode id="DBD981775831FFF07EE463CB0A8DFB59" box="[949,1153,1182,1209]" pageId="4" pageNumber="134">USNM 100445a-i</specimenCode>
) taken from
<taxonomicName id="4C7F528F5831FFF0785C63CB0D16FB3D" authority="(Stimpson, 1857)" baseAuthorityName="Stimpson" baseAuthorityYear="1857" class="Malacostraca" family="Astacidae" genus="Pacifastacus" kingdom="Animalia" order="Decapoda" pageId="4" pageNumber="134" phylum="Arthropoda" rank="subSpecies" species="leniusculus" subGenus="Pacifastacus" subSpecies="klamathensis">
<emphasis id="B90BF51E5831FFF0785C63CB0C58FB3D" italics="true" pageId="4" pageNumber="134">Pacifastacus (Pacifastacus) leniusculus klamathensis</emphasis>
(
<bibRefCitation id="EFEE54FD5831FFF07F3063970D1EFB3D" author="Stimpson, W." box="[609,786,1218,1245]" pageId="4" pageNumber="134" pagination="84 - 89" refId="ref9664" refString="Stimpson, W. (1857) Notices of new species of Crustacea of western North America; being an abstract from a paper to be published in the journal of the society. Proceedings of the Boston Society of Natural History, 6, 84 - 89. https: // doi. org / 10.5962 / bhl. part. 15468" type="journal article" year="1857">Stimpson, 1857</bibRefCitation>
)
</taxonomicName>
from Elk Creek, about
<quantity id="4C8784E95831FFF0794A63970A83FB3D" box="[1051,1167,1219,1245]" metricMagnitude="4" metricUnit="m" metricValue="2.02777344" pageId="4" pageNumber="134" unit="mi" value="12.6">
<locationDeviation id="9A72302E5831FFF0794A63970A83FB3D" box="[1051,1167,1219,1245]" metricMagnitude="4" metricUnit="m" metricValue="2.02777344" pageId="4" pageNumber="134" unit="mi" value="12.6">12.6 miles</locationDeviation>
</quantity>
south of Cottage Grove,
<collectingCounty id="62A151805831FFF07DC663B30F5CFAE1" box="[151,336,1255,1281]" pageId="4" pageNumber="134">Douglas County</collectingCounty>
,
<collectingRegion id="49BBE7EE5831FFF07C0B63B30FBDFAE1" box="[346,433,1255,1281]" country="United States of America" name="Oregon" pageId="4" pageNumber="134">Oregon</collectingRegion>
,
<date id="FFC10FCC5831FFF07CED63B30C40FAE1" box="[444,588,1255,1281]" pageId="4" pageNumber="134" value="1960-07-11">
<collectingDate id="EF85F6245831FFF07CED63B30C40FAE1" box="[444,588,1255,1281]" pageId="4" pageNumber="134" value="1960-07-11">11 July 1960</collectingDate>
</date>
(
<bibRefCitation id="EFEE54FD5831FFF07F0B63B30D06FAE1" author="Holt, P. C." box="[602,778,1255,1281]" pageId="4" pageNumber="134" pagination="848 - 862" refId="ref8144" refString="Holt, P. C. (1981) New species of Sathodrilus Holt, 1968, (Clitellata: Branchiobdellida) from the Pacific drainage of the United States, with the synonymy of Sathodrilus virgiliae Holt, 1977. Proceedings of the Biological Society of Washington, 94, 848 - 862." type="journal article" year="1981">Holt 1981: 849</bibRefCitation>
).
</materialsCitation>
</paragraph>
</subSubSection>
<subSubSection id="C3657A875831FFF07D96625F0B2BFA55" pageId="4" pageNumber="134" type="etymology">
<paragraph id="8BC0290C5831FFF07D96625F0B2BFA55" blockId="4.[151,1437,966,2037]" pageId="4" pageNumber="134">
<emphasis id="B90BF51E5831FFF07D96625F0F42FAC5" bold="true" box="[199,334,1291,1317]" pageId="4" pageNumber="134">Etymology.</emphasis>
<taxonomicName id="4C7F528F5831FFF07C04625F0D64FAC5" authority="Pierantoni, 1906 c: 3" authorityName="Pierantoni" authorityPageNumber="3" authorityYear="1906" box="[341,872,1291,1317]" class="Clitellata" family="Branchiobdellidae" genus="Branchiobdella" kingdom="Animalia" order="Branchiobdellida" pageId="4" pageNumber="134" phylum="Annelida" rank="species" species="tetrodonta">
<emphasis id="B90BF51E5831FFF07C04625F0C72FAC5" box="[341,638,1291,1317]" italics="true" pageId="4" pageNumber="134">Branchiobdella tetrodonta</emphasis>
<bibRefCitation id="EFEE54FD5831FFF07FD5625F0D64FAC5" author="Pierantoni, U." box="[644,872,1291,1317]" pageId="4" pageNumber="134" pagination="1 - 9" refId="ref9316" refString="Pierantoni, U. (1906 c) Nuovi Discodrilidi del Giappone e della California. Annuario Rigia Museo zoologico della R. Universita di Napoli, 2, 1 - 9." type="journal article" year="1906">Pierantoni, 1906c: 3</bibRefCitation>
</taxonomicName>
. No etymology was given, but the species name is an elision of the Greek
<emphasis id="B90BF51E5831FFF07CCF627B0FFBFAA8" box="[414,503,1327,1352]" italics="true" pageId="4" pageNumber="134">tessares</emphasis>
, meaning four, and the Greek genitive masculine noun
<emphasis id="B90BF51E5831FFF0792F627B0ADBFAA9" box="[1150,1239,1327,1353]" italics="true" pageId="4" pageNumber="134">odontos</emphasis>
, meaning tooth (
<bibRefCitation id="EFEE54FD5831FFF07DCE62070F3CFA8D" author="Brown, R. W." box="[159,304,1362,1389]" pageId="4" pageNumber="134" refId="ref6684" refString="Brown, R. W. (1956) Composition of scientific words. Smithsonian Books, Washington, D. C., pp. 882." type="book" year="1956">Brown 1956</bibRefCitation>
), in reference to the worms four-tooth jaw. The Latinized prefix
<emphasis id="B90BF51E5831FFF0794762070A58FA8C" box="[1046,1108,1363,1388]" italics="true" pageId="4" pageNumber="134">tetra-</emphasis>
joins the root
<emphasis id="B90BF51E5831FFF0785962070B6DFA8D" box="[1288,1377,1363,1389]" italics="true" pageId="4" pageNumber="134">odontus</emphasis>
, but in this case the -
<emphasis id="B90BF51E5831FFF07C0762230F63FA70" box="[342,367,1399,1424]" italics="true" pageId="4" pageNumber="134">us</emphasis>
ending has been changed to -
<emphasis id="B90BF51E5831FFF07F9D62230CD6FA70" box="[716,730,1399,1424]" italics="true" pageId="4" pageNumber="134">a</emphasis>
. As Pierantonis intention on its form is not known, it must be treated as a noun in apposition, with the original spelling retained according to Art. 31.2.2 (
<bibRefCitation id="EFEE54FD5831FFF079C562CF0B16FA55" author="ICZN International Commission on Zoological Nomenclature" box="[1172,1306,1435,1461]" pageId="4" pageNumber="134" refId="ref8261" refString="ICZN International Commission on Zoological Nomenclature (1999). Available from: http: // www. nhm. ac. uk / hosted-sites / iczn / code / (accessed 15 February 2023) https: // doi. org / 10.5479 / si. 00963801.124 - 3631.1" type="url" year="1999">ICZN 1999</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C3657A875831FFF27D9662EA0AC6FE4D" lastPageId="6" lastPageNumber="136" pageId="4" pageNumber="134" type="description">
<paragraph id="8BC0290C5831FFF17D9662EA0F66FDDD" blockId="4.[151,1437,966,2037]" lastBlockId="5.[151,1437,151,573]" lastPageId="5" lastPageNumber="135" pageId="4" pageNumber="134">
<emphasis id="B90BF51E5831FFF07D9662EA0F55FA38" bold="true" box="[199,345,1470,1496]" pageId="4" pageNumber="134">Description.</emphasis>
Specimens are small to medium sized branchiobdellidans, slim in appearance with the body increasing in diameter from segment 1 to a maximum in segment 7. The head is slender and slightly greater in diameter than segment 1 (
<figureCitation id="134435895831FFF07C9161530C11F9C1" box="[448,541,1543,1569]" captionStart="FIGURE 2" captionStartId="5.[151,250,1389,1413]" captionTargetBox="[157,1432,604,1359]" captionTargetId="figure-227@5.[151,1436,597,1366]" captionTargetPageId="5" captionText="FIGURE 2. Sathodrilus tetrodonta. A. Whole worm lateral view; B. Frontal view of jaws; C. Genital segments 56. D. Whole mount lateral view of a paratype (USNM 100445c), scale bar = 0.2 mm; E. Dorsal oblique view of jaws of a paratype (USNM 100445d), scale bar = 10.0 μm; F. Lateral view of genital organs in segments 5 and 6 in a paratype (USNM 100445c), scale bar = 50.0 μm.AC, from Pierantoni (1906c: Tav. 5) A = Fig. 6, B = Fig. 8, C = Fig. 7, modified by Gelder; DG, drawings of or from paratypes by Gelder (unpub. obs.). Abbreviations: at, glandular atrium; b, bursa; dl, deferent lobe; eb, ental bulb; ga, glandular atrium; ma, muscular atrium; p, prostate gland; pm, male pore [= genital pore]; sp, developing spermatozoa; spd, sperm duct; spb, spermathecal bulb; spd, spermathecal duct; spf, sperm funnel; spt, spermatheca; t, testis; vd, vas deferens; ve, vas efferens. Note: In Fig. 2C, testes are shown only in segment 5, one sperm funnel, two vas efferens are shown merging into the vas deferens which enters the glandular atrium. Figure 2F is based on a paratype (USNM 100445c) with the sperm funnels and vas efferens added for completeness from other paratypes where they were visible." figureDoi="http://doi.org/10.5281/zenodo.10561673" httpUri="https://zenodo.org/record/10561673/files/figure.png" pageId="4" pageNumber="134">Fig. 2D</figureCitation>
). The mean body length of adult
<typeStatus id="54C497AE5831FFF07ECD61530DC0F9C1" box="[924,972,1543,1569]" pageId="4" pageNumber="134">type</typeStatus>
specimens is
<quantity id="4C8784E95831FFF0793F61530AC9F9C1" box="[1134,1221,1543,1569]" metricMagnitude="-3" metricUnit="m" metricValue="2.4" pageId="4" pageNumber="134" unit="mm" value="2.4">2.4 mm</quantity>
(n = 29, range 2.0 to
<quantity id="4C8784E95831FFF07DE6617F0F18F9A5" box="[183,276,1579,1605]" metricMagnitude="-3" metricUnit="m" metricValue="3.1" pageId="4" pageNumber="134" unit="mm" value="3.1">3.1 mm</quantity>
). Peristomium consists of smooth dorsal and ventral lips and is separated from the head by a sulcus with a second shallow sulcus midway along the head. Small, indistinct oral papillae surround the mouth. The jaws are small, yellow to light brown, very similar in size and shape, and triangular in lateral view but rectangular in a frontal view. The teeth are narrow and conical forming a straight line, with a dental formula of 4/4 (
<figureCitation id="134435895831FFF0785561C30B51F951" box="[1284,1373,1687,1713]" captionStart="FIGURE 2" captionStartId="5.[151,250,1389,1413]" captionTargetBox="[157,1432,604,1359]" captionTargetId="figure-227@5.[151,1436,597,1366]" captionTargetPageId="5" captionText="FIGURE 2. Sathodrilus tetrodonta. A. Whole worm lateral view; B. Frontal view of jaws; C. Genital segments 56. D. Whole mount lateral view of a paratype (USNM 100445c), scale bar = 0.2 mm; E. Dorsal oblique view of jaws of a paratype (USNM 100445d), scale bar = 10.0 μm; F. Lateral view of genital organs in segments 5 and 6 in a paratype (USNM 100445c), scale bar = 50.0 μm.AC, from Pierantoni (1906c: Tav. 5) A = Fig. 6, B = Fig. 8, C = Fig. 7, modified by Gelder; DG, drawings of or from paratypes by Gelder (unpub. obs.). Abbreviations: at, glandular atrium; b, bursa; dl, deferent lobe; eb, ental bulb; ga, glandular atrium; ma, muscular atrium; p, prostate gland; pm, male pore [= genital pore]; sp, developing spermatozoa; spd, sperm duct; spb, spermathecal bulb; spd, spermathecal duct; spf, sperm funnel; spt, spermatheca; t, testis; vd, vas deferens; ve, vas efferens. Note: In Fig. 2C, testes are shown only in segment 5, one sperm funnel, two vas efferens are shown merging into the vas deferens which enters the glandular atrium. Figure 2F is based on a paratype (USNM 100445c) with the sperm funnels and vas efferens added for completeness from other paratypes where they were visible." figureDoi="http://doi.org/10.5281/zenodo.10561673" httpUri="https://zenodo.org/record/10561673/files/figure.png" pageId="4" pageNumber="134">Fig. 2E</figureCitation>
). The outer teeth are slightly longer (about 5.0 μm long) than the inner ones (about 4.6 μm long) resulting in their tips forming a visual concave line. A pharyngeal sulcus is present in the organs mid region. The slim body is devoid of dorsal segmental ridges, but shallow sulci indicate segments and annuli. Lateral glands on segments 8 and 9 are present, but extensions are absent. The anterior pair of nephridial tubes meet mid-dorsally in a common bulb. These are difficult to see in preserved specimens but easy in live material as the bulb constantly fills with urine and discharges it to the exterior through a nephridial pore about every 30 seconds. The clitellum over segments 5, 6 and 7 is thin. The male reproductive system consists of two pairs of testes, one in each of segments 5 and 6. A pair of sperm funnels are located in each segment and each funnel is connected to a vas efferens that join together in their respective segments to form a vas deferens (
<figureCitation id="134435895831FFF07FB0608F0D3BF815" box="[737,823,2011,2037]" captionStart="FIGURE 2" captionStartId="5.[151,250,1389,1413]" captionTargetBox="[157,1432,604,1359]" captionTargetId="figure-227@5.[151,1436,597,1366]" captionTargetPageId="5" captionText="FIGURE 2. Sathodrilus tetrodonta. A. Whole worm lateral view; B. Frontal view of jaws; C. Genital segments 56. D. Whole mount lateral view of a paratype (USNM 100445c), scale bar = 0.2 mm; E. Dorsal oblique view of jaws of a paratype (USNM 100445d), scale bar = 10.0 μm; F. Lateral view of genital organs in segments 5 and 6 in a paratype (USNM 100445c), scale bar = 50.0 μm.AC, from Pierantoni (1906c: Tav. 5) A = Fig. 6, B = Fig. 8, C = Fig. 7, modified by Gelder; DG, drawings of or from paratypes by Gelder (unpub. obs.). Abbreviations: at, glandular atrium; b, bursa; dl, deferent lobe; eb, ental bulb; ga, glandular atrium; ma, muscular atrium; p, prostate gland; pm, male pore [= genital pore]; sp, developing spermatozoa; spd, sperm duct; spb, spermathecal bulb; spd, spermathecal duct; spf, sperm funnel; spt, spermatheca; t, testis; vd, vas deferens; ve, vas efferens. Note: In Fig. 2C, testes are shown only in segment 5, one sperm funnel, two vas efferens are shown merging into the vas deferens which enters the glandular atrium. Figure 2F is based on a paratype (USNM 100445c) with the sperm funnels and vas efferens added for completeness from other paratypes where they were visible." figureDoi="http://doi.org/10.5281/zenodo.10561673" httpUri="https://zenodo.org/record/10561673/files/figure.png" pageId="4" pageNumber="134">Fig. 2F</figureCitation>
). The vas deferens in segment 5 passes into segment 6 where both vasa deferentia enter the glandular atrium independently. The glandular atrium and associated organs are displaced laterally by the gut and fill about half of the ventral segments coelom. The glandular atrium length is 0.5x the segment diameter with the two vasa deferentia entering two prominent deferent bulbs giving the organ a Y-shape appearance. The prostate gland is composed of undifferentiated gland cells with an ental bulb; the gland arises from the dorsal glandular atrium about 0.2x from its ectal end and extends to the confluence of the deferent ducts. The ectal end of the atrium transitions into the muscular atrium, about 0.1x segment diameter long, before passing into the subspherical muscular bursa. The muscular atrium transitions into an eversible penis located in the dorsal third of the bursa. In the retracted position the penis is not easy to see but looks like a compressed spring. Ventral to the penis is the bursal atrium with an internal horizontal sulcus that connects to a vertical folded tube which opens externally through the genital pore. The spermatheca is club-shaped, about 0.9x the segment diameter, with an ovoid glandular spermathecal bulb, 0.6x the organs length with the remaining 0.4x being the muscular spermathecal duct.
</paragraph>
<caption id="DF0079845830FFF17DC662390D53F929" ID-DOI="http://doi.org/10.5281/zenodo.10561673" ID-Zenodo-Dep="10561673" httpUri="https://zenodo.org/record/10561673/files/figure.png" pageId="5" pageNumber="135" startId="5.[151,250,1389,1413]" targetBox="[157,1432,604,1359]" targetPageId="5" targetType="figure">
<paragraph id="8BC0290C5830FFF17DC662390D53F929" blockId="5.[151,1437,1389,1738]" pageId="5" pageNumber="135">
<emphasis id="B90BF51E5830FFF17DC662390F1FFA65" bold="true" box="[151,275,1389,1413]" pageId="5" pageNumber="135">FIGURE 2.</emphasis>
<taxonomicName id="4C7F528F5830FFF17C4862390FF1FA65" authorityName="Gelder" authorityYear="2024" baseAuthorityName="Pierantoni" baseAuthorityYear="1906" box="[281,509,1389,1413]" class="Clitellata" family="Branchiobdellidae" genus="Sathodrilus" kingdom="Animalia" order="Branchiobdellida" pageId="5" pageNumber="135" phylum="Annelida" rank="species" species="tetrodonta">
<emphasis id="B90BF51E5830FFF17C4862390FF1FA65" box="[281,509,1389,1413]" italics="true" pageId="5" pageNumber="135">Sathodrilus tetrodonta</emphasis>
</taxonomicName>
.
<emphasis id="B90BF51E5830FFF17F5B62390C2EFA65" bold="true" box="[522,546,1389,1413]" pageId="5" pageNumber="135">A.</emphasis>
Whole worm lateral view;
<emphasis id="B90BF51E5830FFF17E6962390D43FA65" bold="true" box="[824,847,1389,1413]" pageId="5" pageNumber="135">B.</emphasis>
Frontal view of jaws;
<emphasis id="B90BF51E5830FFF1796262390A40FA65" bold="true" box="[1075,1100,1389,1413]" pageId="5" pageNumber="135">C.</emphasis>
Genital segments 56.
<emphasis id="B90BF51E5830FFF1786B62390B5FFA65" bold="true" box="[1338,1363,1389,1413]" pageId="5" pageNumber="135">D.</emphasis>
Whole mount lateral view of a paratype (USNM 100445c), scale bar = 0.2 mm;
<emphasis id="B90BF51E5830FFF17E2D62C50D98FA49" bold="true" box="[892,916,1425,1449]" pageId="5" pageNumber="135">E.</emphasis>
Dorsal oblique view of jaws of a paratype (USNM 100445d), scale bar = 10.0 μm;
<emphasis id="B90BF51E5830FFF17C8562E10FEBFA2D" bold="true" box="[468,487,1461,1485]" pageId="5" pageNumber="135">F.</emphasis>
Lateral view of genital organs in segments 5 and 6 in a paratype (USNM 100445c), scale bar = 50.0 μm. AC, from
<bibRefCitation id="EFEE54FD5830FFF17C39628D0C13FA11" author="Pierantoni, U." box="[360,543,1497,1521]" pageId="5" pageNumber="135" pagination="1 - 9" refId="ref9316" refString="Pierantoni, U. (1906 c) Nuovi Discodrilidi del Giappone e della California. Annuario Rigia Museo zoologico della R. Universita di Napoli, 2, 1 - 9." type="journal article" year="1906">Pierantoni (1906c</bibRefCitation>
: Tav. 5) A = Fig. 6, B = Fig. 8, C = Fig. 7, modified by Gelder; DG, drawings of or from paratypes by Gelder (unpub. obs.). Abbreviations: at, glandular atrium; b, bursa; dl, deferent lobe; eb, ental bulb; ga, glandular atrium; ma, muscular atrium; p, prostate gland; pm, male pore [= genital pore]; sp, developing spermatozoa; spd, sperm duct; spb, spermathecal bulb; spd, spermathecal duct; spf, sperm funnel; spt, spermatheca; t, testis; vd, vas deferens; ve, vas efferens. Note: In Fig. 2C, testes are shown only in segment 5, one sperm funnel, two vas efferens are shown merging into the vas deferens which enters the glandular atrium. Figure 2F is based on a paratype (USNM 100445c) with the sperm funnels and vas efferens added for completeness from other paratypes where they were visible.
</paragraph>
</caption>
<paragraph id="8BC0290C5830FFF27D96604F0AC6FE4D" blockId="5.[151,1437,1819,2026]" lastBlockId="6.[151,1437,151,1257]" lastPageId="6" lastPageNumber="136" pageId="5" pageNumber="135">
<emphasis id="B90BF51E5830FFF17D96604F0F46F8D5" bold="true" box="[199,330,1819,1845]" pageId="5" pageNumber="135">Variations.</emphasis>
When the peristomium is not rounded due to contraction, a median emargination is visible in the ventral lip. The width of the head relative to segment 1 varies from about equal to much less and reflects the specimens state of extension or contraction on death. The dental formula is usually 4/4 although 5/4 arrangements have been found (
<bibRefCitation id="EFEE54FD5830FFF17C0860D30C09F842" author="Holt, P. C." box="[345,517,1927,1954]" pageId="5" pageNumber="135" pagination="848 - 862" refId="ref8144" refString="Holt, P. C. (1981) New species of Sathodrilus Holt, 1968, (Clitellata: Branchiobdellida) from the Pacific drainage of the United States, with the synonymy of Sathodrilus virgiliae Holt, 1977. Proceedings of the Biological Society of Washington, 94, 848 - 862." type="journal article" year="1981">Holt 1981: 849</bibRefCitation>
). The arrangement of teeth in
<figureCitation id="134435895830FFF17E1B60D30D90F842" box="[842,924,1927,1954]" captionStart="FIGURE 2" captionStartId="5.[151,250,1389,1413]" captionTargetBox="[157,1432,604,1359]" captionTargetId="figure-227@5.[151,1436,597,1366]" captionTargetPageId="5" captionText="FIGURE 2. Sathodrilus tetrodonta. A. Whole worm lateral view; B. Frontal view of jaws; C. Genital segments 56. D. Whole mount lateral view of a paratype (USNM 100445c), scale bar = 0.2 mm; E. Dorsal oblique view of jaws of a paratype (USNM 100445d), scale bar = 10.0 μm; F. Lateral view of genital organs in segments 5 and 6 in a paratype (USNM 100445c), scale bar = 50.0 μm.AC, from Pierantoni (1906c: Tav. 5) A = Fig. 6, B = Fig. 8, C = Fig. 7, modified by Gelder; DG, drawings of or from paratypes by Gelder (unpub. obs.). Abbreviations: at, glandular atrium; b, bursa; dl, deferent lobe; eb, ental bulb; ga, glandular atrium; ma, muscular atrium; p, prostate gland; pm, male pore [= genital pore]; sp, developing spermatozoa; spd, sperm duct; spb, spermathecal bulb; spd, spermathecal duct; spf, sperm funnel; spt, spermatheca; t, testis; vd, vas deferens; ve, vas efferens. Note: In Fig. 2C, testes are shown only in segment 5, one sperm funnel, two vas efferens are shown merging into the vas deferens which enters the glandular atrium. Figure 2F is based on a paratype (USNM 100445c) with the sperm funnels and vas efferens added for completeness from other paratypes where they were visible." figureDoi="http://doi.org/10.5281/zenodo.10561673" httpUri="https://zenodo.org/record/10561673/files/figure.png" pageId="5" pageNumber="135">Fig. 2B</figureCitation>
and ventral jaw in
<figureCitation id="134435895830FFF1793B60D30AB7F842" box="[1130,1211,1927,1954]" captionStart="FIGURE 2" captionStartId="5.[151,250,1389,1413]" captionTargetBox="[157,1432,604,1359]" captionTargetId="figure-227@5.[151,1436,597,1366]" captionTargetPageId="5" captionText="FIGURE 2. Sathodrilus tetrodonta. A. Whole worm lateral view; B. Frontal view of jaws; C. Genital segments 56. D. Whole mount lateral view of a paratype (USNM 100445c), scale bar = 0.2 mm; E. Dorsal oblique view of jaws of a paratype (USNM 100445d), scale bar = 10.0 μm; F. Lateral view of genital organs in segments 5 and 6 in a paratype (USNM 100445c), scale bar = 50.0 μm.AC, from Pierantoni (1906c: Tav. 5) A = Fig. 6, B = Fig. 8, C = Fig. 7, modified by Gelder; DG, drawings of or from paratypes by Gelder (unpub. obs.). Abbreviations: at, glandular atrium; b, bursa; dl, deferent lobe; eb, ental bulb; ga, glandular atrium; ma, muscular atrium; p, prostate gland; pm, male pore [= genital pore]; sp, developing spermatozoa; spd, sperm duct; spb, spermathecal bulb; spd, spermathecal duct; spf, sperm funnel; spt, spermatheca; t, testis; vd, vas deferens; ve, vas efferens. Note: In Fig. 2C, testes are shown only in segment 5, one sperm funnel, two vas efferens are shown merging into the vas deferens which enters the glandular atrium. Figure 2F is based on a paratype (USNM 100445c) with the sperm funnels and vas efferens added for completeness from other paratypes where they were visible." figureDoi="http://doi.org/10.5281/zenodo.10561673" httpUri="https://zenodo.org/record/10561673/files/figure.png" pageId="5" pageNumber="135">Fig. 2E</figureCitation>
show the outer teeth are slightly longer than the inner two; however, as the jaw position deviates from a frontal view this arrangement will be more difficult or impossible to see. The male organs have the same shape and relative size to each other and point either anteriorly or posteriorly. They occupy either the left or right side of the segment and range in size from filling half (
<figureCitation id="134435895833FFF27C0C67EF0FBDFF35" box="[349,433,187,213]" captionStart="FIGURE 2" captionStartId="5.[151,250,1389,1413]" captionTargetBox="[157,1432,604,1359]" captionTargetId="figure-227@5.[151,1436,597,1366]" captionTargetPageId="5" captionText="FIGURE 2. Sathodrilus tetrodonta. A. Whole worm lateral view; B. Frontal view of jaws; C. Genital segments 56. D. Whole mount lateral view of a paratype (USNM 100445c), scale bar = 0.2 mm; E. Dorsal oblique view of jaws of a paratype (USNM 100445d), scale bar = 10.0 μm; F. Lateral view of genital organs in segments 5 and 6 in a paratype (USNM 100445c), scale bar = 50.0 μm.AC, from Pierantoni (1906c: Tav. 5) A = Fig. 6, B = Fig. 8, C = Fig. 7, modified by Gelder; DG, drawings of or from paratypes by Gelder (unpub. obs.). Abbreviations: at, glandular atrium; b, bursa; dl, deferent lobe; eb, ental bulb; ga, glandular atrium; ma, muscular atrium; p, prostate gland; pm, male pore [= genital pore]; sp, developing spermatozoa; spd, sperm duct; spb, spermathecal bulb; spd, spermathecal duct; spf, sperm funnel; spt, spermatheca; t, testis; vd, vas deferens; ve, vas efferens. Note: In Fig. 2C, testes are shown only in segment 5, one sperm funnel, two vas efferens are shown merging into the vas deferens which enters the glandular atrium. Figure 2F is based on a paratype (USNM 100445c) with the sperm funnels and vas efferens added for completeness from other paratypes where they were visible." figureDoi="http://doi.org/10.5281/zenodo.10561673" httpUri="https://zenodo.org/record/10561673/files/figure.png" pageId="6" pageNumber="136">Fig. 2F</figureCitation>
) to the whole side of segment 6. An ental bulb may be visible in the prostate gland.
<bibRefCitation id="EFEE54FD5833FFF2783B67EF0F17FF19" author="Holt, P. C." pageId="6" pageNumber="136" pagination="848 - 862" refId="ref8144" refString="Holt, P. C. (1981) New species of Sathodrilus Holt, 1968, (Clitellata: Branchiobdellida) from the Pacific drainage of the United States, with the synonymy of Sathodrilus virgiliae Holt, 1977. Proceedings of the Biological Society of Washington, 94, 848 - 862." type="journal article" year="1981">Holt (1981: 851)</bibRefCitation>
notes the absence of an ental bulb, but an examination of the
<typeStatus id="54C497AE5833FFF27E8C678B0A33FF19" box="[989,1087,223,249]" pageId="6" pageNumber="136" type="holotype">holotype</typeStatus>
and many other preserved and live specimens (Gelder unpub. obs.) revealed one was present. The length of the prostate gland appears to be shorter in some specimens when compared to that of the glandular atrium, but this is likely an artifact due to compression during slide mounting. The muscular atrium ranges from slim tubular to terete. While the length of the spermatheca is constant, the bulb can appear to be slim and ovoid when empty to subspherical when full of sperm. Its position is usually dorso-lateral to the gut, but it can be displaced ventro-laterally making it difficult to see.
</paragraph>
</subSubSection>
<subSubSection id="C3657A875833FFF27D9666E20B37FD49" pageId="6" pageNumber="136" type="diagnosis">
<paragraph id="8BC0290C5833FFF27D9666E20B37FD49" blockId="6.[151,1437,151,1257]" pageId="6" pageNumber="136">
<emphasis id="B90BF51E5833FFF27D9666E20F4EFE30" bold="true" box="[199,322,438,464]" pageId="6" pageNumber="136">Diagnosis.</emphasis>
Length
<quantity id="4C8784E95833FFF27CF966E30C59FE31" box="[424,597,439,465]" metricMagnitude="-3" metricUnit="m" metricValue="2.65" metricValueMax="3.1" metricValueMin="2.2" pageId="6" pageNumber="136" unit="mm" value="2.65" valueMax="3.1" valueMin="2.2">2.2 to 3.1 mm</quantity>
, head width slightly wider than segment 1, body slim terete, segments indistinct; dorsal lip smooth, ventral lip median emargination; oral papillae present; jaws size similar, small, shape rectangular, teeth small narrow conical, dental formula 4/4; pharyngeal sulcus one; glandular atrium tubular, length 0.6x segment diameter, deferent lobes prominent (organ Y-shaped); prostate gland tubular, arises at ectal third of glandular atrium, length 0.4x the latter, undifferentiated cells, ental bulb present; muscular atrium tubular, length 0.2x segment diameter; bursa subspherical, penis eversible, in ectal 0.3 of bursa; spermatheca club-shaped, length 0.9x segment diameter, bulb ovoid length 0.6x organ, duct tubular length 0.4x organ, ental process absent.
</paragraph>
</subSubSection>
<subSubSection id="C3657A875833FFF27D9665E60DFFFBF1" pageId="6" pageNumber="136" type="distribution">
<paragraph id="8BC0290C5833FFF27D9665E60B9EFC61" blockId="6.[151,1437,151,1257]" pageId="6" pageNumber="136">
<emphasis id="B90BF51E5833FFF27D9665E60FECFD2C" bold="true" box="[199,480,690,716]" pageId="6" pageNumber="136">Distribution—endemic.</emphasis>
<typeStatus id="54C497AE5833FFF27CBA65E70C2FFD2D" box="[491,547,691,717]" pageId="6" pageNumber="136">Type</typeStatus>
location is the Klamath River,
<collectingRegion id="49BBE7EE5833FFF27ECA65E70A01FD2D" box="[923,1037,691,717]" country="United States of America" name="California" pageId="6" pageNumber="136">California</collectingRegion>
(
<bibRefCitation id="EFEE54FD5833FFF2794E65E70B0AFD2D" author="Pierantoni, U." box="[1055,1286,691,717]" pageId="6" pageNumber="136" pagination="1 - 9" refId="ref9316" refString="Pierantoni, U. (1906 c) Nuovi Discodrilidi del Giappone e della California. Annuario Rigia Museo zoologico della R. Universita di Napoli, 2, 1 - 9." type="journal article" year="1906">Pierantoni 1906c: 3</bibRefCitation>
), while
<bibRefCitation id="EFEE54FD5833FFF2783B65E70F15FD11" author="Holt, P. C." pageId="6" pageNumber="136" pagination="848 - 862" refId="ref8144" refString="Holt, P. C. (1981) New species of Sathodrilus Holt, 1968, (Clitellata: Branchiobdellida) from the Pacific drainage of the United States, with the synonymy of Sathodrilus virgiliae Holt, 1977. Proceedings of the Biological Society of Washington, 94, 848 - 862." type="journal article" year="1981">Holt (1981: 851)</bibRefCitation>
reported specimens being examined from locations in Benton, Douglas, Lincoln, Marion, Polk counties,
<collectingRegion id="49BBE7EE5833FFF27DC665AF0EE2FCF5" box="[151,238,763,789]" country="United States of America" name="Oregon" pageId="6" pageNumber="136">Oregon</collectingRegion>
, and Grays Harbor and Wahkiakum counties,
<collectingRegion id="49BBE7EE5833FFF27FBE65AF0DB9FCF5" box="[751,949,763,789]" country="United States of America" name="Washington" pageId="6" pageNumber="136">Washington State</collectingRegion>
, and Lake Tahoe,
<collectingRegion id="49BBE7EE5833FFF2792A65AF0AE1FCF5" box="[1147,1261,763,789]" country="United States of America" name="California" pageId="6" pageNumber="136">California</collectingRegion>
(
<bibRefCitation id="EFEE54FD5833FFF279AB65AF0B9CFCF5" author="Gelder, S. R." box="[1274,1424,762,789]" pageId="6" pageNumber="136" pagination="156 - 157" refId="ref7040" refString="Gelder, S. R. (2005) First Report of Branchiobdellidans from Lake Tahoe. Crayfish Newsletter, 27, 156 - 157." type="journal article" year="2005">Gelder, 2005</bibRefCitation>
); however, its range was stated as “Streams of the Cascade and Coastal Ranges in
<collectingRegion id="49BBE7EE5833FFF2796F644B0A9EFCD9" box="[1086,1170,799,825]" country="United States of America" name="Oregon" pageId="6" pageNumber="136">Oregon</collectingRegion>
and
<collectingRegion id="49BBE7EE5833FFF2799C644B0B5EFCD9" box="[1229,1362,799,825]" country="United States of America" name="Washington" pageId="6" pageNumber="136">Washington</collectingRegion>
to the headwater streams of the Snake River in
<collectingRegion id="49BBE7EE5833FFF27F3464170CDAFCBD" box="[613,726,835,861]" country="United States of America" name="Wyoming" pageId="6" pageNumber="136">Wyoming</collectingRegion>
” (
<bibRefCitation id="EFEE54FD5833FFF27FBF64170D92FCBD" author="Holt, P. C." box="[750,926,834,861]" pageId="6" pageNumber="136" pagination="848 - 862" refId="ref8144" refString="Holt, P. C. (1981) New species of Sathodrilus Holt, 1968, (Clitellata: Branchiobdellida) from the Pacific drainage of the United States, with the synonymy of Sathodrilus virgiliae Holt, 1977. Proceedings of the Biological Society of Washington, 94, 848 - 862." type="journal article" year="1981">Holt 1981: 851</bibRefCitation>
). Observations on live material were made in Lincoln County,
<collectingRegion id="49BBE7EE5833FFF27C0564330FA4FC61" box="[340,424,871,897]" country="United States of America" name="Oregon" pageId="6" pageNumber="136">Oregon</collectingRegion>
(Gelder, unpub. data) and eastern Shasta County,
<collectingRegion id="49BBE7EE5833FFF27E8864330A47FC61" box="[985,1099,871,897]" country="United States of America" name="California" pageId="6" pageNumber="136">California</collectingRegion>
(Maria J. Ellis, unpub. data).
</paragraph>
<paragraph id="8BC0290C5833FFF27D9664DE0DFFFBF1" blockId="6.[151,1437,151,1257]" pageId="6" pageNumber="136">
<emphasis id="B90BF51E5833FFF27D9664DE0FCFFC44" bold="true" box="[199,451,906,932]" pageId="6" pageNumber="136">Distribution—exotic.</emphasis>
As a result of commercial translocations of
<taxonomicName id="4C7F528F5833FFF27EFD64DF0A49FC45" authorityName="" baseAuthorityName="Dana" baseAuthorityYear="1852" box="[940,1093,907,933]" class="Malacostraca" family="Astacidae" genus="Pacifastacus" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="136" phylum="Arthropoda" rank="species" species="leniusculus">
<emphasis id="B90BF51E5833FFF27EFD64DF0A49FC45" box="[940,1093,907,933]" italics="true" pageId="6" pageNumber="136">P. leniusculus</emphasis>
</taxonomicName>
to
<collectingCountry id="F368699C5833FFF2793664DF0AA7FC45" box="[1127,1195,907,933]" name="Japan" pageId="6" pageNumber="136">Japan</collectingCountry>
:
<collectingRegion id="49BBE7EE5833FFF279E464DF0B90FC45" box="[1205,1436,907,933]" country="Japan" name="Hokkaido" pageId="6" pageNumber="136">Hokkaido Prefecture</collectingRegion>
(
<bibRefCitation id="EFEE54FD5833FFF27DCE64FB0FA8FC29" author="Kawai, T. &amp; Mitamura, T. &amp; Ohtaka, A." box="[159,420,943,969]" pageId="6" pageNumber="136" pagination="861 - 870" refId="ref8311" refString="Kawai, T. Mitamura, T. &amp; Ohtaka, A. (2004) The taxonomic status of the introduced North American signal crayfish, Pacifastacus leniusculus (Dana, 1852) in Japan, and the source of specimens in the newly reported population in Fukushima Prefecture. Crustaceana, 77, 861 - 870. https: // doi. org / 10.1163 / 156854004774248735" type="journal article" year="2004">
Kawai
<emphasis id="B90BF51E5833FFF27DA064FB0F2EFC29" box="[241,290,943,969]" italics="true" pageId="6" pageNumber="136">et al</emphasis>
. 2004: 863
</bibRefCitation>
;
<bibRefCitation id="EFEE54FD5833FFF27CE164FB0CB0FC29" author="Ohtaka, A. &amp; Gelder, S. R. &amp; Kawai, T. &amp; Saito, K. &amp; Nakata, K. &amp; Nishino, M." box="[432,700,942,969]" pageId="6" pageNumber="136" pagination="149 - 156" refId="ref9136" refString="Ohtaka, A., Gelder, S. R., Kawai, T., Saito, K., Nakata, K. &amp; Nishino, M. (2005) New records and distribution of two North American branchiobdellidan species (Annelida: Clitellata) from introduced Signal Crayfish, Pacifastacus leniusculus, in Japan. Biological Invasion, 7, 149 - 156. https: // doi. org / 10.1007 / s 10530 - 004 - 8146 - y" type="journal article" year="2005">
Ohtaka
<emphasis id="B90BF51E5833FFF27F5864FB0C36FC29" box="[521,570,943,969]" italics="true" pageId="6" pageNumber="136">et al</emphasis>
. 2005: 152
</bibRefCitation>
;
<bibRefCitation id="EFEE54FD5833FFF27F9964FB0D98FC29" author="Ohtaka, A." box="[712,916,943,969]" pageId="6" pageNumber="136" pagination="483 - 489" refId="ref8991" refString="Ohtaka, A. (2007) Distribution of exotic branchiobdellidans (Annelida: Clitellata) in Japan. J apanese Journal of Limnology, 68, 483 - 489. https: // doi. org / 10.3739 / rikusui. 68.483" type="journal article" year="2007">Ohtaka 2007: 484</bibRefCitation>
;
<bibRefCitation id="EFEE54FD5833FFF27EF164FB0A60FC29" author="Ohtaka, A." box="[928,1132,942,969]" pageId="6" pageNumber="136" pagination="445 - 475" refId="ref9034" refString="Ohtaka, A. (2010) Community Conservation. In: Kawai, T. &amp; Takahata, M. (Eds.), Biology of Crayfish. Hokkaido Daigaku Shuppankai, Sapporo, pp. 445 - 475. [in Japanese]" type="book chapter" year="2010">Ohtaka 2010: 465</bibRefCitation>
;
<bibRefCitation id="EFEE54FD5833FFF2792664FB0EBAFC0D" author="Yamauchi, Y. &amp; Kawai, T." pageId="6" pageNumber="136" pagination="47 - 62" refId="ref10278" refString="Yamauchi, Y. &amp; Kawai, T. (2022) Salinity tolerance of the alien branchiobdellidan Sathodrilus attenuatus (Annelida: Clitellata) on the introduced freshwater crayfish Pacifastacus leniusculus (Crustacea: Decapoda) in eastern Hokkaido, Japan and the pathway of introduction of the host to Lake Harutori and adjacent freshwaters in Kushiro City, eastern Hokkaido. Wetland Researches, 16, 47 - 62." type="journal article" year="2022">Yamauchi &amp; Kawai 2022: 52</bibRefCitation>
),
<collectingRegion id="49BBE7EE5833FFF27D9A64870FCDFC0D" box="[203,449,979,1005]" country="Japan" name="Fukushima" pageId="6" pageNumber="136">Fukushima Prefecture</collectingRegion>
(
<bibRefCitation id="EFEE54FD5833FFF27C8164870CDAFC0D" author="Kawai, T. &amp; Mitamura, T. &amp; Ohtaka, A." box="[464,726,979,1005]" pageId="6" pageNumber="136" pagination="861 - 870" refId="ref8311" refString="Kawai, T. Mitamura, T. &amp; Ohtaka, A. (2004) The taxonomic status of the introduced North American signal crayfish, Pacifastacus leniusculus (Dana, 1852) in Japan, and the source of specimens in the newly reported population in Fukushima Prefecture. Crustaceana, 77, 861 - 870. https: // doi. org / 10.1163 / 156854004774248735" type="journal article" year="2004">
Kawai
<emphasis id="B90BF51E5833FFF27F7364870C58FC0D" box="[546,596,979,1005]" italics="true" pageId="6" pageNumber="136">et al</emphasis>
. 2004: 863
</bibRefCitation>
),
<collectingRegion id="49BBE7EE5833FFF27FBB64870DBBFC0D" box="[746,951,979,1005]" country="Japan" name="Gunma" pageId="6" pageNumber="136">Gunma Prefecture</collectingRegion>
(
<bibRefCitation id="EFEE54FD5833FFF27E9764870AA5FC0D" author="Hoshino, T. &amp; Ohtaka, A. &amp; Smith, R. J." box="[966,1193,979,1005]" pageId="6" pageNumber="136" pagination="99 - 106" refId="ref8199" refString="Hoshino, T., Ohtaka, A. &amp; Smith, R. J. (2023) New records of the signal crayfish and its ectosymbiotic branchiobdellidan and ostracod from Lake Sugenuma in Gunma Prefecture, central Japan. Bulletin of Gunma Museum of Natural History, 27, 99 - 106. [in Japanese with English abstract]" type="journal article" year="2023">
Hoshino
<emphasis id="B90BF51E5833FFF2797F64870A53FC0D" box="[1070,1119,979,1005]" italics="true" pageId="6" pageNumber="136">et al</emphasis>
. 2023
</bibRefCitation>
),
<collectingRegion id="49BBE7EE5833FFF279EC64870B90FC0D" box="[1213,1436,979,1005]" country="Japan" name="Ishikawa" pageId="6" pageNumber="136">Ishikawa Prefecture</collectingRegion>
(
<bibRefCitation id="EFEE54FD5833FFF27DCE64A30FA7FBF1" author="Ohtaka, A. &amp; Gelder, S. R. &amp; Kawai, T. &amp; Saito, K. &amp; Nakata, K. &amp; Nishino, M." box="[159,427,1014,1041]" pageId="6" pageNumber="136" pagination="149 - 156" refId="ref9136" refString="Ohtaka, A., Gelder, S. R., Kawai, T., Saito, K., Nakata, K. &amp; Nishino, M. (2005) New records and distribution of two North American branchiobdellidan species (Annelida: Clitellata) from introduced Signal Crayfish, Pacifastacus leniusculus, in Japan. Biological Invasion, 7, 149 - 156. https: // doi. org / 10.1007 / s 10530 - 004 - 8146 - y" type="journal article" year="2005">
Ohtaka
<emphasis id="B90BF51E5833FFF27DA964A30F26FBF1" box="[248,298,1015,1041]" italics="true" pageId="6" pageNumber="136">et al</emphasis>
. 2005: 152
</bibRefCitation>
), and
<collectingRegion id="49BBE7EE5833FFF27CBE64A30CB7FBF1" box="[495,699,1015,1041]" country="Japan" name="Niigata" pageId="6" pageNumber="136">Niigata Prefecture</collectingRegion>
(
<bibRefCitation id="EFEE54FD5833FFF27F9B64A30DEAFBF1" author="Shida, Y. &amp; Kawai, T." box="[714,998,1014,1041]" pageId="6" pageNumber="136" pagination="21 - 32" refId="ref9516" refString="Shida, Y. &amp; Kawai, T. (2022) Species identification of recently established alien freshwater crayfish in Niigata Prefecture, Japan, with implication of their origin based on ectosymbiotic branchiobdellidan composition. Izunuma-Uchinuma Wetland Researches, 16, 21 - 32. [in Japanese with English abstract]" type="journal article" year="2022">Shida &amp; Kawai 2022: 25</bibRefCitation>
).
</paragraph>
</subSubSection>
<subSubSection id="C3657A875833FFF27D96634F0D41FB09" pageId="6" pageNumber="136" type="biology_ecology">
<paragraph id="8BC0290C5833FFF27D96634F0CCFFBD5" blockId="6.[151,1437,151,1257]" box="[199,707,1050,1077]" pageId="6" pageNumber="136">
<emphasis id="B90BF51E5833FFF27D96634F0F0AFBD5" bold="true" box="[199,262,1051,1077]" pageId="6" pageNumber="136">Host.</emphasis>
<taxonomicName id="4C7F528F5833FFF27C5C634F0CB3FBD5" authority="(Dana, 1852)" authorityName="" baseAuthorityName="Dana" baseAuthorityYear="1852" box="[269,703,1050,1077]" class="Malacostraca" family="Astacidae" genus="Pacifastacus" kingdom="Animalia" order="Decapoda" pageId="6" pageNumber="136" phylum="Arthropoda" rank="species" species="leniusculus">
<emphasis id="B90BF51E5833FFF27C5C634F0C2DFBD5" box="[269,545,1051,1077]" italics="true" pageId="6" pageNumber="136">Pacifastacus leniusculus</emphasis>
(
<bibRefCitation id="EFEE54FD5833FFF27F61634F0CBBFBD5" author="Dana, J. D." box="[560,695,1050,1077]" pageId="6" pageNumber="136" refId="ref6773" refString="Dana, J. D. (1852) United States Exploring Expedition during the years 1838, 1839, 1840, 1841, 1842, under the Command of Charles Wilkes, U. S. N. Vol. 13. Crustacea. Part I. C. Sherman, Philadelphia, 96 pls. (atlas, 1855)." type="journal volume" year="1852">Dana, 1852</bibRefCitation>
)
</taxonomicName>
.
</paragraph>
<paragraph id="8BC0290C5833FFF27D96636A0D41FB09" blockId="6.[151,1437,151,1257]" pageId="6" pageNumber="136">
<emphasis id="B90BF51E5833FFF27D96636A0F26FBB8" bold="true" box="[199,298,1086,1112]" pageId="6" pageNumber="136">Habitat.</emphasis>
Live specimens are pink, often forming aggregates on the ventral cephalothorax and carapace with occasional observations on the ventral abdomen. Hosts with
<taxonomicName id="4C7F528F5833FFF27E3C63370A0FFB9D" authorityName="Gelder" authorityYear="2024" baseAuthorityName="Pierantoni" baseAuthorityYear="1906" box="[877,1027,1123,1149]" class="Clitellata" family="Branchiobdellidae" genus="Sathodrilus" kingdom="Animalia" order="Branchiobdellida" pageId="6" pageNumber="136" phylum="Annelida" rank="species" species="tetrodonta">
<emphasis id="B90BF51E5833FFF27E3C63370A0FFB9D" box="[877,1027,1123,1149]" italics="true" pageId="6" pageNumber="136">S. tetrodonta</emphasis>
</taxonomicName>
were often found with cohabiting
<taxonomicName id="4C7F528F5833FFF27DC663D30F9FFB41" authorityName="Yamaguchi" authorityYear="1933" box="[151,403,1159,1185]" class="Clitellata" family="Branchiobdellidae" genus="Cambarincola" kingdom="Animalia" order="Branchiobdellida" pageId="6" pageNumber="136" phylum="Annelida" rank="species" species="okadai">
<emphasis id="B90BF51E5833FFF27DC663D30F9FFB41" box="[151,403,1159,1185]" italics="true" pageId="6" pageNumber="136">Cambarincola okadai</emphasis>
</taxonomicName>
(
<bibRefCitation id="EFEE54FD5833FFF27CF963D30C7AFB41" author="Yamaguchi, H." box="[424,630,1159,1185]" pageId="6" pageNumber="136" pagination="177 - 219" refId="ref10239" refString="Yamaguchi, H. (1934) Studies on Japanese Branchiobdellidae with some revisions on the classification. Journal of the Faculty of Science, Hokkaido University, Series VI, Zoology, 3, 177 - 219." type="journal article" year="1934">
<collectingRegion id="49BBE7EE5833FFF27CF963D30C27FB41" box="[424,555,1159,1185]" country="Japan" name="Yamaguchi" pageId="6" pageNumber="136">Yamaguchi</collectingRegion>
, 1934
</bibRefCitation>
) and
<taxonomicName id="4C7F528F5833FFF27F9363D30AD2FB41" authority="Gelder &amp; Hall, 1990" authorityName="Gelder &amp; Hall" authorityYear="1990" box="[706,1246,1159,1185]" class="Clitellata" family="Branchiobdellidae" genus="Xironogiton" kingdom="Animalia" order="Branchiobdellida" pageId="6" pageNumber="136" phylum="Annelida" rank="species" species="victoriensis">
<emphasis id="B90BF51E5833FFF27F9363D30DDBFB40" box="[706,983,1159,1184]" italics="true" pageId="6" pageNumber="136">Xironogiton victoriensis</emphasis>
<bibRefCitation id="EFEE54FD5833FFF27EB563D30AD2FB41" author="Gelder, S. R. &amp; Hall, L. A." box="[996,1246,1159,1185]" pageId="6" pageNumber="136" pagination="2352 - 2359" refId="ref7327" refString="Gelder, S. R. &amp; Hall, L. A. (1990) Description of Xironogiton victoriensis n. sp. from British Columbia, Canada, with remarks on other species and a Wagner analysis of Xironogiton (Clitellata: Branchiobdellida). Canadian Journal of Zoology, 68, 2352 - 2359. https: // doi. org / 10.1139 / z 90 - 326" type="journal article" year="1990">Gelder &amp; Hall, 1990</bibRefCitation>
</taxonomicName>
(Gelder unpub. obs.), and
<taxonomicName id="4C7F528F5833FFF27C5F63FF0CC7FB25" authority="Robinson, 1954" authorityName="Robinson" authorityYear="1954" box="[270,715,1194,1221]" class="Clitellata" family="Branchiobdellidae" genus="Cambarincola" kingdom="Animalia" order="Branchiobdellida" pageId="6" pageNumber="136" phylum="Annelida" rank="species" species="gracilis">
<emphasis id="B90BF51E5833FFF27C5F63FF0C02FB25" box="[270,526,1195,1221]" italics="true" pageId="6" pageNumber="136">Cambarincola gracilis</emphasis>
<bibRefCitation id="EFEE54FD5833FFF27F4463FF0CC7FB25" author="Robinson, D. A." box="[533,715,1194,1221]" pageId="6" pageNumber="136" pagination="466 - 469" refId="ref9402" refString="Robinson, D. A. (1954) Cambarincola gracilis sp. nov., a branchiobdellid oligochaete commensal on western crayfishes. Journal of Parasitology, 40, 466 - 469. https: // doi. org / 10.2307 / 3273899" type="journal article" year="1954">Robinson, 1954</bibRefCitation>
</taxonomicName>
,
<taxonomicName id="4C7F528F5833FFF27F8663FF0AD5FB25" authority="(Goodnight, 1940 a)" baseAuthorityName="Goodnight" baseAuthorityYear="1940" box="[727,1241,1195,1221]" class="Clitellata" family="Branchiobdellidae" genus="Magmatodrilus" kingdom="Animalia" order="Branchiobdellida" pageId="6" pageNumber="136" phylum="Annelida" rank="species" species="obscurus">
<emphasis id="B90BF51E5833FFF27F8663FF0DFCFB25" box="[727,1008,1195,1221]" italics="true" pageId="6" pageNumber="136">Magmatodrilus obscurus</emphasis>
(
<bibRefCitation id="EFEE54FD5833FFF2795163FF0ADDFB25" author="Goodnight, C. J." box="[1024,1233,1195,1221]" pageId="6" pageNumber="136" pagination="1 - 75" refId="ref7865" refString="Goodnight, C. J. (1940 a) The Branchiobdellidae (Oligochaeta) of North American crayfish. Illinois Biological Monographs, 17, 1 - 75. https: // doi. org / 10.5962 / bhl. title. 50176" type="journal article" year="1940">Goodnight, 1940a</bibRefCitation>
)
</taxonomicName>
, and
<taxonomicName id="4C7F528F5833FFF2784763FF0C09FB09" authority="Gelder &amp; Hall, 1990" authorityName="Gelder &amp; Hall" authorityYear="1990" class="Clitellata" family="Branchiobdellidae" genus="Xironogiton" kingdom="Animalia" order="Branchiobdellida" pageId="6" pageNumber="136" phylum="Annelida" rank="species" species="victoriensis">
<emphasis id="B90BF51E5833FFF2784763FF0F14FB08" italics="true" pageId="6" pageNumber="136">Xironogiton victoriensis</emphasis>
<bibRefCitation id="EFEE54FD5833FFF27C4E639B0C09FB09" author="Gelder, S. R. &amp; Hall, L. A." box="[287,517,1231,1257]" pageId="6" pageNumber="136" pagination="2352 - 2359" refId="ref7327" refString="Gelder, S. R. &amp; Hall, L. A. (1990) Description of Xironogiton victoriensis n. sp. from British Columbia, Canada, with remarks on other species and a Wagner analysis of Xironogiton (Clitellata: Branchiobdellida). Canadian Journal of Zoology, 68, 2352 - 2359. https: // doi. org / 10.1139 / z 90 - 326" type="journal article" year="1990">Gelder &amp; Hall, 1990</bibRefCitation>
</taxonomicName>
(Maria J. Ellis, unpub. data).
</paragraph>
</subSubSection>
</treatment>
</document>