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<mods:title id="DC76999709AD712F45F077F6B91E8215">Revision of Trigonostomum Schmidt, 1852 (Platyhelminthes, Typhloplanoida, Trigonostomidae) with the description of seven new species</mods:title>
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<mods:namePart id="E5F77B74E0891212E492AD4E73F5AA58">Willems, Wim R.</mods:namePart>
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<treatment id="038287E27E57FFD9FCB6FE944C953CFD" ID-DOI="http://doi.org/10.5281/zenodo.5110801" ID-GBIF-Taxon="183630419" ID-Zenodo-Dep="5110801" LSID="urn:lsid:plazi:treatment:038287E27E57FFD9FCB6FE944C953CFD" httpUri="http://treatment.plazi.org/id/038287E27E57FFD9FCB6FE944C953CFD" lastPageId="17" lastPageNumber="287" pageId="16" pageNumber="287">
<subSubSection id="C331657F7E57FFD8FCB6FE944ABB3F6F" pageId="16" pageNumber="287" type="nomenclature">
<paragraph id="8B9436F47E57FFD8FCB6FE944ABB3F6F" blockId="16.[836,1392,313,401]" pageId="16" pageNumber="287">
<heading id="D0DC81987E57FFD8FCB6FE944ABB3F6F" centered="true" fontSize="9" level="2" pageId="16" pageNumber="287" reason="5">
<taxonomicName id="4C2B4D777E57FFD8FCB6FE944AB23F4E" ID-CoL="7Q56T" authority="DENHARTOGI" authorityName="DENHARTOGI" box="[836,1193,314,337]" class="Rhabditophora" family="Trigonostomidae" genus="Trigonostomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rhabdocoela" pageId="16" pageNumber="287" phylum="Platyhelminthes" rank="genus">
<emphasis id="B95FEAE67E57FFD8FCB6FE944AB23F4E" box="[836,1193,314,337]" italics="true" pageId="16" pageNumber="287">TRIGONOSTOMUM DENHARTOGI</emphasis>
</taxonomicName>
(
<bibRefCitation id="EFBA4B057E57FFD8FB4AFE974B733F4F" author="Karling TG" box="[1208,1384,313,337]" pageId="16" pageNumber="287" pagination="225 - 248" refId="ref19259" refString="Karling TG. 1978. Anatomy and Systematics of Marine Turbellaria from Bermuda. Zoologica Scripta 7: 225 - 248." type="journal article" year="1978">KARLING, 1978</bibRefCitation>
)
<emphasis id="B95FEAE67E57FFD8FBE7FEF34ABB3F6F" bold="true" box="[1045,1184,345,369]" pageId="16" pageNumber="287">COMB. NOV.</emphasis>
</heading>
</paragraph>
</subSubSection>
<subSubSection id="C331657F7E57FFD9FBF6FED74C953CFD" lastPageId="17" lastPageNumber="288" pageId="16" pageNumber="287" type="description">
<paragraph id="8B9436F47E57FFD8FBF6FED74AAB3F8F" blockId="16.[836,1392,313,401]" box="[1028,1200,377,401]" pageId="16" pageNumber="287">
(
<figureCitation id="13102A717E57FFD8FBFEFED74A773F8F" box="[1036,1132,377,401]" captionStart="Figure 8" captionStartId="9.[155,233,1290,1309]" captionTargetBox="[293,1298,199,1257]" captionTargetId="figure-402@9.[638,1065,199,823]" captionTargetPageId="9" captionText="Figure 8. A, rostral spot in T. armatum (whole mounted specimen from Curaçao). B, dorsal stripe in T. setigerum (whole mounted specimen from Greece). C, bursal appendage of T. tori sp. nov. (from the paratype). D, constricted distal tubes of bursal appendage (arrow indicates constriction) in T. setigerum (specimen from Bermuda). E, copulatory organ of T. denhartogi comb. nov. (specimen from New Caledonia). F, copulatory organ of T. spinigerum sp. nov. (from the holotype). G, habitus of T. franki sp. nov. (live specimen from New Caledonia). H, bursal appendage of T. spinigerum sp. nov. (from the holotype). I, head region of T. franki sp. nov. showing both epidermal and subepidermal pigment (live specimen from New Caledonia). Scale bars: A, B = 200 Mm. C-F = 20 Mm. H = 10 Mm." figureDoi="http://doi.org/10.5281/zenodo.4634569" httpUri="https://zenodo.org/record/4634569/files/figure.png" pageId="16" pageNumber="287">FIGS 8E</figureCitation>
,
<figureCitation id="13102A717E57FFD8FB8BFED74AB33F8F" box="[1145,1192,377,401]" captionStart="Figure 11" captionStartId="12.[142,220,1824,1843]" captionTargetBox="[276,1317,900,1791]" captionTargetId="figure-458@12.[401,1246,890,1791]" captionTargetPageId="12" captionText="Figure 11. A, T. denhartogi comb. nov. A1, 3 copulatory organ; A2 bursal appendage (A1, 2 specimen from Curaçao; A3 specimen from New Caledonia). B, T. spinigerum sp. nov. B1 copulatory organ; B2 bursal appendage (from the holotype). Abbreviations: a-e, explained in text." figureDoi="http://doi.org/10.5281/zenodo.4634575" httpUri="https://zenodo.org/record/4634575/files/figure.png" pageId="16" pageNumber="287">11A</figureCitation>
)
</paragraph>
<paragraph id="8B9436F47E57FFD8FCD4FE044B933FC1" blockId="16.[806,1416,426,479]" pageId="16" pageNumber="287">
<emphasis id="B95FEAE67E57FFD8FCD4FE044B9F3FA1" box="[806,1412,426,448]" italics="true" pageId="16" pageNumber="287">Alternative species name: trigonostomum-denhartogi</emphasis>
<taxonomicName id="4C2B4D777E57FFD8FCD4FE674B1B3FC0" authority="Karling, 1978: 233" authorityName="Karling" authorityPageNumber="233" authorityYear="1978" box="[806,1280,457,479]" class="Rhabditophora" family="Trigonostomidae" genus="Proxenetes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rhabdocoela" pageId="16" pageNumber="287" phylum="Platyhelminthes" rank="species" species="denhartogi">
<emphasis id="B95FEAE67E57FFD8FCD4FE674A393FC0" box="[806,1058,457,478]" italics="true" pageId="16" pageNumber="287">Proxenetes denhartogi</emphasis>
<bibRefCitation id="EFBA4B057E57FFD8FBD9FE674B1B3FC0" author="Karling TG" box="[1067,1280,457,479]" pageId="16" pageNumber="287" pagination="225 - 248" refId="ref19259" refString="Karling TG. 1978. Anatomy and Systematics of Marine Turbellaria from Bermuda. Zoologica Scripta 7: 225 - 248." type="journal article" year="1978">Karling, 1978: 233</bibRefCitation>
</taxonomicName>
, figs 35, 36.
</paragraph>
<paragraph id="8B9436F47E57FFD8FCD4FE594B5B3C13" blockId="16.[806,1344,503,525]" box="[806,1344,503,525]" pageId="16" pageNumber="287">
<emphasis id="B95FEAE67E57FFD8FCD4FE594A173C12" box="[806,1036,503,524]" italics="true" pageId="16" pageNumber="287">Known distribution:</emphasis>
<collectingCountry id="F33C76647E57FFD8FBEBFE594A983C13" box="[1049,1155,503,525]" name="Bermuda" pageId="16" pageNumber="287">Bermuda</collectingCountry>
(
<bibRefCitation id="EFBA4B057E57FFD8FB61FE594B2F3C13" author="Karling TG" box="[1171,1332,503,525]" pageId="16" pageNumber="287" pagination="225 - 248" refId="ref19259" refString="Karling TG. 1978. Anatomy and Systematics of Marine Turbellaria from Bermuda. Zoologica Scripta 7: 225 - 248." type="journal article" year="1978">Karling, 1978</bibRefCitation>
).
</paragraph>
<paragraph id="8B9436F47E57FFD8FCD4FD8B4D7F3D72" blockId="16.[806,1422,549,876]" pageId="16" pageNumber="287">
<emphasis id="B95FEAE67E57FFD8FCD4FD8B4DD73C24" box="[806,972,549,570]" italics="true" pageId="16" pageNumber="287">New localities:</emphasis>
<collectingCountry id="F33C76647E57FFD8FC2BFD8B4A3E3C24" box="[985,1061,549,570]" name="Kenya" pageId="16" pageNumber="287">Kenya</collectingCountry>
,
<collectingCountry id="F33C76647E57FFD8FBB0FD8B4AAB3C25" box="[1090,1200,549,571]" name="Kenya" pageId="16" pageNumber="287">Mombasa</collectingCountry>
area, McKenzie Point, in shallow pool on seagrass,
<date id="FF9510347E57FFD8FB5FFDED4B913C46" box="[1197,1418,579,601]" pageId="16" pageNumber="287" value="1991-09-30">30 September 1991</date>
.
<collectingCountry id="F33C76647E57FFD8FCD4FDCC4D9E3C69" box="[806,901,610,631]" name="Curaçao" pageId="16" pageNumber="287">Curaçao</collectingCountry>
(Dutch Antilles), Dam di Cabicuchi (Spaanse water), on
<taxonomicName id="4C2B4D777E57FFD8FC5BFD2F4A3C3C88" box="[937,1063,641,662]" class="Anthozoa" family="Dendrophylliidae" genus="Turbinaria" kingdom="Animalia" order="Scleractinia" pageId="16" pageNumber="287" phylum="Cnidaria" rank="genus">
<emphasis id="B95FEAE67E57FFD8FC5BFD2F4A3C3C88" box="[937,1063,641,662]" italics="true" pageId="16" pageNumber="287">Turbinaria</emphasis>
</taxonomicName>
-like algae from exposed rocks,
<date id="FF9510347E57FFD8FCD4FD314DE03CAA" box="[806,1019,671,693]" pageId="16" pageNumber="287" value="1998-12-14">14 December 1998</date>
.
<collectingCountry id="F33C76647E57FFD8FBF4FD314A7E3CAA" box="[1030,1125,671,692]" name="Curaçao" pageId="16" pageNumber="287">Curaçao</collectingCountry>
(Dutch Antilles) Spaanse water, mixed sample of algae,
<date id="FF9510347E57FFD8FB54FD104B913CCD" box="[1190,1418,702,724]" pageId="16" pageNumber="287" value="1998-12-30">30 December 1998</date>
.
<collectingCountry id="F33C76647E57FFD8FCD4FD734DC43CED" box="[806,991,733,755]" name="New Caledonia" pageId="16" pageNumber="287">New Caledonia</collectingCountry>
, Nouméa, Nouville, on algae in a lagoon south of the asylum,
<date id="FF9510347E57FFD8FB94FD554B163D0E" box="[1126,1293,763,784]" pageId="16" pageNumber="287" value="2003-08-03">3 August 2003</date>
.
<collectingCountry id="F33C76647E57FFD8FAE5FD524D7C3D2E" name="New Caledonia" pageId="16" pageNumber="287">New Caledonia</collectingCountry>
, Nouméa, Anse Vata, on algae (
<taxonomicName id="4C2B4D777E57FFD8FB00FCB44B323D31" box="[1266,1321,794,815]" genus="Ulva" kingdom="Fungi" pageId="16" pageNumber="287" rank="genus">
<emphasis id="B95FEAE67E57FFD8FB00FCB44B323D31" box="[1266,1321,794,815]" italics="true" pageId="16" pageNumber="287">Ulva</emphasis>
</taxonomicName>
sp. and
<taxonomicName id="4C2B4D777E57FFD8FCD4FC974DD13D50" authorityName="J.H.F.Linkon Esenbeck" authorityYear="1820" box="[806,970,825,846]" class="Ulvophyceae" family="Ulvaceae" genus="Enteromorpha" higherTaxonomySource="GBIF" kingdom="Plantae" order="Ulvales" pageId="16" pageNumber="287" phylum="Chlorophyta" rank="genus">
<emphasis id="B95FEAE67E57FFD8FCD4FC974DD13D50" box="[806,970,825,846]" italics="true" pageId="16" pageNumber="287">Enteromorpha</emphasis>
</taxonomicName>
sp.) from a little estuary,
<date id="FF9510347E57FFD8FAE6FC974D7B3D72" pageId="16" pageNumber="287" value="2003-08-22">22 August 2003</date>
.
</paragraph>
<paragraph id="8B9436F47E57FFD8FCD4FC2B4D653DC7" blockId="16.[806,1422,901,985]" pageId="16" pageNumber="287">
<emphasis id="B95FEAE67E57FFD8FCD4FC2B4A1F3D84" box="[806,1028,901,922]" italics="true" pageId="16" pageNumber="287">Material examined:</emphasis>
<materialsCitation id="3B433CA97E57FFD8FBE3FC2B4D653DC7" ID-GBIF-Occurrence="3325148362" collectionCode="SMNH" pageId="16" pageNumber="287" specimenCount="1" typeStatus="holotype">
<typeStatus id="549088567E57FFD8FBE3FC2B4A6C3D85" box="[1041,1143,901,923]" pageId="16" pageNumber="287" type="holotype">Holotype</typeStatus>
(
<collectionCode id="ED3AAE317E57FFD8FB75FC2B4AC13D84" box="[1159,1242,901,922]" country="Sweden" httpUri="http://grbio.org/cool/8z6v-f8is" name="Department of Paleozoology, Swedish Museum of Natural History" pageId="16" pageNumber="287">SMNH</collectionCode>
, no. 2965). Live material and five whole mounts, one from each new locality.
</materialsCitation>
</paragraph>
<paragraph id="8B9436F47E57FFD8FCD4FC5F4A6E3ABE" blockId="16.[806,1422,1009,1184]" pageId="16" pageNumber="287">
<emphasis id="B95FEAE67E57FFD8FCD4FC5F4A463A18" box="[806,1117,1009,1030]" italics="true" pageId="16" pageNumber="287">
Diagnosis:
<taxonomicName id="4C2B4D777E57FFD8FC58FC5F4A463A18" box="[938,1117,1009,1030]" class="Rhabditophora" family="Trigonostomidae" genus="Trigonostomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rhabdocoela" pageId="16" pageNumber="287" phylum="Platyhelminthes" rank="genus">Trigonostomum</taxonomicName>
</emphasis>
species with very complex copulatory organ, 106121 Mm long. Mantle with numerous folds, rods and spines, one of which has a thread-like distal part. Stylet 6166 Mm long. Bursal appendage with a straight initial part, 2244 Mm long, and two heavily coiled tubes.
</paragraph>
<paragraph id="8B9436F47E57FFD8FCD4FB164DA53865" blockId="16.[806,1422,1208,1906]" pageId="16" pageNumber="287">
<emphasis id="B95FEAE67E57FFD8FCD4FB164A9A3AD3" box="[806,1153,1208,1229]" italics="true" pageId="16" pageNumber="287">Remarks and additional data:</emphasis>
<bibRefCitation id="EFBA4B057E57FFD8FB7DFB164B263AD0" author="Karling TG" box="[1167,1341,1208,1230]" pageId="16" pageNumber="287" pagination="225 - 248" refId="ref19259" refString="Karling TG. 1978. Anatomy and Systematics of Marine Turbellaria from Bermuda. Zoologica Scripta 7: 225 - 248." type="journal article" year="1978">Karling (1978)</bibRefCitation>
described this species from
<collectingCountry id="F33C76647E57FFD8FBC3FB794A803AF3" box="[1073,1179,1239,1261]" name="Bermuda" pageId="16" pageNumber="287">Bermuda</collectingCountry>
based on one whole mounted specimen, but without observations of live animals. On the
<typeStatus id="549088567E57FFD8FC03FABA4A4F3B34" box="[1009,1108,1300,1322]" pageId="16" pageNumber="287" type="holotype">holotype</typeStatus>
, the anterior invagination (proboscis) is not visible and Karling therefore did not observe this important feature. Based on the structure of the copulatory organ he reluctantly placed the species within
<taxonomicName id="4C2B4D777E57FFD8FC49FA214AF93BBA" authority="Jensen, 1878" authorityName="Jensen" authorityYear="1878" box="[955,1250,1423,1444]" class="Rhabditophora" family="Trigonostomidae" genus="Proxenetes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rhabdocoela" pageId="16" pageNumber="287" phylum="Platyhelminthes" rank="genus">
<emphasis id="B95FEAE67E57FFD8FC49FA214A283BBA" box="[955,1075,1423,1444]" italics="true" pageId="16" pageNumber="287">Proxenetes</emphasis>
<bibRefCitation id="EFBA4B057E57FFD8FBB0FA214AF93BBA" author="Jensen O" box="[1090,1250,1423,1444]" pageId="16" pageNumber="287" refId="ref19193" refString="Jensen O. 1878. Turbellaria ad litora Norvegiae occidentalia. Turbellarier ved Norges vestkyst. Bergen. (In Norwegian.)" type="book" year="1878">Jensen, 1878</bibRefCitation>
</taxonomicName>
. He explicitly mentioned, however, that the bursal appendage was very unlike that of any other species of
<taxonomicName id="4C2B4D777E57FFD8FAFDFA634B9C3BFC" authorityName="Jensen" authorityYear="1878" box="[1295,1415,1485,1506]" class="Rhabditophora" family="Trigonostomidae" genus="Proxenetes" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rhabdocoela" pageId="16" pageNumber="287" phylum="Platyhelminthes" rank="genus">
<emphasis id="B95FEAE67E57FFD8FAFDFA634B9C3BFC" box="[1295,1415,1485,1506]" italics="true" pageId="16" pageNumber="287">Proxenetes</emphasis>
</taxonomicName>
, where the bursal appendage consists of a split tube, surrounded by a ring. Observations on live material clearly show that this species indeed belongs to
<taxonomicName id="4C2B4D777E57FFD8FCD4F9E94DC23842" box="[806,985,1607,1628]" class="Rhabditophora" family="Trigonostomidae" genus="Trigonostomum" higherTaxonomySource="GBIF" kingdom="Animalia" order="Rhabdocoela" pageId="16" pageNumber="287" phylum="Platyhelminthes" rank="genus">
<emphasis id="B95FEAE67E57FFD8FCD4F9E94DC23842" box="[806,985,1607,1628]" italics="true" pageId="16" pageNumber="287">Trigonostomum</emphasis>
</taxonomicName>
, as it has the typical anterior invagination.
</paragraph>
<paragraph id="8B9436F47E57FFD9FCCDF92A4C953CFD" blockId="16.[806,1422,1208,1906]" lastBlockId="17.[155,771,196,739]" lastPageId="17" lastPageNumber="288" pageId="16" pageNumber="287">
The specimens from
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and
<collectingCountry id="F33C76647E57FFD8FB28F92A4B963884" box="[1242,1421,1668,1690]" name="New Caledonia" pageId="16" pageNumber="287">New Caledonia</collectingCountry>
are ± 0.8 mm long. The copulatory organ is of exactly the same structure as in the specimen from
<collectingCountry id="F33C76647E57FFD8FAD0F96F4B9738C9" box="[1314,1420,1729,1751]" name="Bermuda" pageId="16" pageNumber="287">Bermuda</collectingCountry>
(
<bibRefCitation id="EFBA4B057E57FFD8FCDCF94E4DD038E8" author="Karling TG" box="[814,971,1760,1782]" pageId="16" pageNumber="287" pagination="225 - 248" refId="ref19259" refString="Karling TG. 1978. Anatomy and Systematics of Marine Turbellaria from Bermuda. Zoologica Scripta 7: 225 - 248." type="journal article" year="1978">Karling, 1978</bibRefCitation>
), consisting of an outer plate-like structure (
<figureCitation id="13102A717E57FFD8FC97F9514DDF390A" box="[869,964,1791,1813]" captionStart="Figure 11" captionStartId="12.[142,220,1824,1843]" captionTargetBox="[276,1317,900,1791]" captionTargetId="figure-458@12.[401,1246,890,1791]" captionTargetPageId="12" captionText="Figure 11. A, T. denhartogi comb. nov. A1, 3 copulatory organ; A2 bursal appendage (A1, 2 specimen from Curaçao; A3 specimen from New Caledonia). B, T. spinigerum sp. nov. B1 copulatory organ; B2 bursal appendage (from the holotype). Abbreviations: a-e, explained in text." figureDoi="http://doi.org/10.5281/zenodo.4634575" httpUri="https://zenodo.org/record/4634575/files/figure.png" pageId="16" pageNumber="287">Fig. 11A</figureCitation>
<figureCitation id="13102A717E57FFD8FC37F8A64DD63908" box="[965,973,1800,1814]" captionStart="Figure 1" captionStartId="2.[806,884,1431,1450]" captionTargetBox="[891,1359,172,1398]" captionTargetId="figure-660@2.[965,1263,182,1398]" captionText="Figure 1. Habitus of live animal (Trigonostomum venenosum). Abbreviations: ac, apical tuft of cilia; b, brain; ba, bursal appendage; bu, bursa; cop, copulatory organ; e, eye; gp, common genital pore; i, antero-ventral invagination; m, mouth; ov, ovary; ph, pharynx; rg, rostral rhabdite glands; t, testis; vg, prostate vesicle; vit, vitellary; vs, seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.5110789" httpUri="https://zenodo.org/record/5110789/files/figure.png" pageId="16" pageNumber="287">
<subScript id="17AF34B17E57FFD8FC37F8A64DD63908" attach="right" box="[965,973,1800,1814]" fontSize="6" pageId="16" pageNumber="287">1</subScript>
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: a) that forms a broad gutter enclosing several long rods (
<figureCitation id="13102A717E57FFD8FC08F8B34A42392C" box="[1018,1113,1821,1843]" captionStart="Figure 11" captionStartId="12.[142,220,1824,1843]" captionTargetBox="[276,1317,900,1791]" captionTargetId="figure-458@12.[401,1246,890,1791]" captionTargetPageId="12" captionText="Figure 11. A, T. denhartogi comb. nov. A1, 3 copulatory organ; A2 bursal appendage (A1, 2 specimen from Curaçao; A3 specimen from New Caledonia). B, T. spinigerum sp. nov. B1 copulatory organ; B2 bursal appendage (from the holotype). Abbreviations: a-e, explained in text." figureDoi="http://doi.org/10.5281/zenodo.4634575" httpUri="https://zenodo.org/record/4634575/files/figure.png" pageId="16" pageNumber="287">Fig. 11A</figureCitation>
<figureCitation id="13102A717E57FFD8FBA8F8894A79392B" box="[1114,1122,1831,1845]" captionStart="Figure 1" captionStartId="2.[806,884,1431,1450]" captionTargetBox="[891,1359,172,1398]" captionTargetId="figure-660@2.[965,1263,182,1398]" captionText="Figure 1. Habitus of live animal (Trigonostomum venenosum). Abbreviations: ac, apical tuft of cilia; b, brain; ba, bursal appendage; bu, bursa; cop, copulatory organ; e, eye; gp, common genital pore; i, antero-ventral invagination; m, mouth; ov, ovary; ph, pharynx; rg, rostral rhabdite glands; t, testis; vg, prostate vesicle; vit, vitellary; vs, seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.5110789" httpUri="https://zenodo.org/record/5110789/files/figure.png" pageId="16" pageNumber="287">
<subScript id="17AF34B17E57FFD8FBA8F8894A79392B" attach="right" box="[1114,1122,1831,1845]" fontSize="6" pageId="16" pageNumber="287">1</subScript>
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: e). One of these rods has a long distal thread-like point (
<figureCitation id="13102A717E57FFD8FB70F8924AF9394F" box="[1154,1250,1852,1874]" captionStart="Figure 11" captionStartId="12.[142,220,1824,1843]" captionTargetBox="[276,1317,900,1791]" captionTargetId="figure-458@12.[401,1246,890,1791]" captionTargetPageId="12" captionText="Figure 11. A, T. denhartogi comb. nov. A1, 3 copulatory organ; A2 bursal appendage (A1, 2 specimen from Curaçao; A3 specimen from New Caledonia). B, T. spinigerum sp. nov. B1 copulatory organ; B2 bursal appendage (from the holotype). Abbreviations: a-e, explained in text." figureDoi="http://doi.org/10.5281/zenodo.4634575" httpUri="https://zenodo.org/record/4634575/files/figure.png" pageId="16" pageNumber="287">Fig. 11A</figureCitation>
<figureCitation id="13102A717E57FFD8FB10F8EB4AF1394D" box="[1250,1258,1861,1875]" captionStart="Figure 1" captionStartId="2.[806,884,1431,1450]" captionTargetBox="[891,1359,172,1398]" captionTargetId="figure-660@2.[965,1263,182,1398]" captionText="Figure 1. Habitus of live animal (Trigonostomum venenosum). Abbreviations: ac, apical tuft of cilia; b, brain; ba, bursal appendage; bu, bursa; cop, copulatory organ; e, eye; gp, common genital pore; i, antero-ventral invagination; m, mouth; ov, ovary; ph, pharynx; rg, rostral rhabdite glands; t, testis; vg, prostate vesicle; vit, vitellary; vs, seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.5110789" httpUri="https://zenodo.org/record/5110789/files/figure.png" pageId="16" pageNumber="287">
<subScript id="17AF34B17E57FFD8FB10F8EB4AF1394D" attach="left" box="[1250,1258,1861,1875]" fontSize="6" pageId="16" pageNumber="287">1</subScript>
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: e1). A second, triangular, plate-like part (
<figureCitation id="13102A717E57FFD8FBA8F8F54AA2396E" box="[1114,1209,1883,1905]" captionStart="Figure 11" captionStartId="12.[142,220,1824,1843]" captionTargetBox="[276,1317,900,1791]" captionTargetId="figure-458@12.[401,1246,890,1791]" captionTargetPageId="12" captionText="Figure 11. A, T. denhartogi comb. nov. A1, 3 copulatory organ; A2 bursal appendage (A1, 2 specimen from Curaçao; A3 specimen from New Caledonia). B, T. spinigerum sp. nov. B1 copulatory organ; B2 bursal appendage (from the holotype). Abbreviations: a-e, explained in text." figureDoi="http://doi.org/10.5281/zenodo.4634575" httpUri="https://zenodo.org/record/4634575/files/figure.png" pageId="16" pageNumber="287">Fig. 11A</figureCitation>
<figureCitation id="13102A717E57FFD8FB48F8CA4AD9396C" box="[1210,1218,1892,1906]" captionStart="Figure 1" captionStartId="2.[806,884,1431,1450]" captionTargetBox="[891,1359,172,1398]" captionTargetId="figure-660@2.[965,1263,182,1398]" captionText="Figure 1. Habitus of live animal (Trigonostomum venenosum). Abbreviations: ac, apical tuft of cilia; b, brain; ba, bursal appendage; bu, bursa; cop, copulatory organ; e, eye; gp, common genital pore; i, antero-ventral invagination; m, mouth; ov, ovary; ph, pharynx; rg, rostral rhabdite glands; t, testis; vg, prostate vesicle; vit, vitellary; vs, seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.5110789" httpUri="https://zenodo.org/record/5110789/files/figure.png" pageId="16" pageNumber="287">
<subScript id="17AF34B17E57FFD8FB48F8CA4AD9396C" attach="right" box="[1210,1218,1892,1906]" fontSize="6" pageId="16" pageNumber="287">1</subScript>
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: d) surrounds the rods and carries three distal hooks (
<figureCitation id="13102A717E56FFD9FDD8FF6A4C913EC7" box="[554,650,196,218]" captionStart="Figure 11" captionStartId="12.[142,220,1824,1843]" captionTargetBox="[276,1317,900,1791]" captionTargetId="figure-458@12.[401,1246,890,1791]" captionTargetPageId="12" captionText="Figure 11. A, T. denhartogi comb. nov. A1, 3 copulatory organ; A2 bursal appendage (A1, 2 specimen from Curaçao; A3 specimen from New Caledonia). B, T. spinigerum sp. nov. B1 copulatory organ; B2 bursal appendage (from the holotype). Abbreviations: a-e, explained in text." figureDoi="http://doi.org/10.5281/zenodo.4634575" httpUri="https://zenodo.org/record/4634575/files/figure.png" pageId="17" pageNumber="288">Fig. 11A</figureCitation>
<figureCitation id="13102A717E56FFD9FD78FF634C893EC5" box="[650,658,205,219]" captionStart="Figure 1" captionStartId="2.[806,884,1431,1450]" captionTargetBox="[891,1359,172,1398]" captionTargetId="figure-660@2.[965,1263,182,1398]" captionText="Figure 1. Habitus of live animal (Trigonostomum venenosum). Abbreviations: ac, apical tuft of cilia; b, brain; ba, bursal appendage; bu, bursa; cop, copulatory organ; e, eye; gp, common genital pore; i, antero-ventral invagination; m, mouth; ov, ovary; ph, pharynx; rg, rostral rhabdite glands; t, testis; vg, prostate vesicle; vit, vitellary; vs, seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.5110789" httpUri="https://zenodo.org/record/5110789/files/figure.png" pageId="17" pageNumber="288">
<subScript id="17AF34B17E56FFD9FD78FF634C893EC5" attach="left" box="[650,658,205,219]" fontSize="6" pageId="17" pageNumber="288">1</subScript>
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: a1, b and c). The length of the copulatory organ (excluding the thread-like tip) is 107111 Mm (
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) and 109 121 Mm (
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), which is almost identical to that of the
<typeStatus id="549088567E56FFD9FEE4FE914F6C3F4B" box="[278,375,319,341]" pageId="17" pageNumber="288" type="holotype">holotype</typeStatus>
(115 Mm:
<bibRefCitation id="EFBA4B057E56FFD9FE15FE914C9F3F4B" author="Karling TG" box="[487,644,319,341]" pageId="17" pageNumber="288" pagination="225 - 248" refId="ref19259" refString="Karling TG. 1978. Anatomy and Systematics of Marine Turbellaria from Bermuda. Zoologica Scripta 7: 225 - 248." type="journal article" year="1978">Karling, 1978</bibRefCitation>
). The exact number of rods could not be determined. The tubular stylet is only clearly visible in the New Caledonian specimens (
<figureCitation id="13102A717E56FFD9FED2FE354F623FAE" box="[288,377,411,433]" captionStart="Figure 8" captionStartId="9.[155,233,1290,1309]" captionTargetBox="[293,1298,199,1257]" captionTargetId="figure-402@9.[638,1065,199,823]" captionTargetPageId="9" captionText="Figure 8. A, rostral spot in T. armatum (whole mounted specimen from Curaçao). B, dorsal stripe in T. setigerum (whole mounted specimen from Greece). C, bursal appendage of T. tori sp. nov. (from the paratype). D, constricted distal tubes of bursal appendage (arrow indicates constriction) in T. setigerum (specimen from Bermuda). E, copulatory organ of T. denhartogi comb. nov. (specimen from New Caledonia). F, copulatory organ of T. spinigerum sp. nov. (from the holotype). G, habitus of T. franki sp. nov. (live specimen from New Caledonia). H, bursal appendage of T. spinigerum sp. nov. (from the holotype). I, head region of T. franki sp. nov. showing both epidermal and subepidermal pigment (live specimen from New Caledonia). Scale bars: A, B = 200 Mm. C-F = 20 Mm. H = 10 Mm." figureDoi="http://doi.org/10.5281/zenodo.4634569" httpUri="https://zenodo.org/record/4634569/files/figure.png" pageId="17" pageNumber="288">Figs 8E</figureCitation>
,
<figureCitation id="13102A717E56FFD9FE74FE354FA83FAE" box="[390,435,411,432]" captionStart="Figure 11" captionStartId="12.[142,220,1824,1843]" captionTargetBox="[276,1317,900,1791]" captionTargetId="figure-458@12.[401,1246,890,1791]" captionTargetPageId="12" captionText="Figure 11. A, T. denhartogi comb. nov. A1, 3 copulatory organ; A2 bursal appendage (A1, 2 specimen from Curaçao; A3 specimen from New Caledonia). B, T. spinigerum sp. nov. B1 copulatory organ; B2 bursal appendage (from the holotype). Abbreviations: a-e, explained in text." figureDoi="http://doi.org/10.5281/zenodo.4634575" httpUri="https://zenodo.org/record/4634575/files/figure.png" pageId="17" pageNumber="288">11A</figureCitation>
<figureCitation id="13102A717E56FFD9FE41FE0A4FA03FAC" box="[435,443,420,434]" captionStart="Figure 3" captionStartId="4.[142,220,882,901]" captionTargetBox="[211,1350,190,849]" captionTargetId="figure-180@4.[211,1351,189,806]" captionTargetPageId="4" captionText="Figure 3. Reconstruction on sagittal sections of the genital system from the left hand side (T. franki sp. nov.). Abbreviations: ba, bursal appendage; bs, bursal stalk; bu, bursa; cga, common genital atrium; cop, copulatory organ; ds, spermatic duct; fd, female duct; fg, female glands; gp, common genital pore; n, nucleus; od, oviduct; ov, ovary; rh, rhabdite; sd, seminal duct; vg, prostate vesicle; vit, vitellary; vs, seminal vesicle." figureDoi="http://doi.org/10.5281/zenodo.4634559" httpUri="https://zenodo.org/record/4634559/files/figure.png" pageId="17" pageNumber="288">
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). It is 6166 Mm long (
<emphasis id="B95FEAE67E56FFD9FD33FE354CCB3FAE" box="[705,720,411,432]" italics="true" pageId="17" pageNumber="288">n</emphasis>
= 2) and rather broad, with a wide proximal funnel to which the mantle is attached. The bursal appendage of the specimens from
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and
<collectingCountry id="F33C76647E56FFD9FDBBFE594D1A3C13" box="[585,769,503,525]" name="New Caledonia" pageId="17" pageNumber="288">New Caledonia</collectingCountry>
clearly consists of two heavily coiled tubes and a proximal basal piece. This proximal part is 31 Mm and 44 Mm in the two specimens from
<collectingCountry id="F33C76647E56FFD9FDEFFDFD4C653C76" box="[541,638,595,616]" name="Curaçao" pageId="17" pageNumber="288">Curaçao</collectingCountry>
, 28 Mm and 36 Mm in the specimens from
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, and 22 Mm in the specimen from
<collectingCountry id="F33C76647E56FFD9FE2CFD3E4C533CB8" box="[478,584,656,678]" name="Bermuda" pageId="17" pageNumber="288">Bermuda</collectingCountry>
(
<bibRefCitation id="EFBA4B057E56FFD9FDA5FD3E4CED3CB8" author="Karling TG" box="[599,758,656,678]" pageId="17" pageNumber="288" pagination="225 - 248" refId="ref19259" refString="Karling TG. 1978. Anatomy and Systematics of Marine Turbellaria from Bermuda. Zoologica Scripta 7: 225 - 248." type="journal article" year="1978">Karling, 1978</bibRefCitation>
).
<bibRefCitation id="EFBA4B057E56FFD9FF69FD014F593CDB" author="Karling TG" box="[155,322,687,709]" pageId="17" pageNumber="288" pagination="225 - 248" refId="ref19259" refString="Karling TG. 1978. Anatomy and Systematics of Marine Turbellaria from Bermuda. Zoologica Scripta 7: 225 - 248." type="journal article" year="1978">Karling (1978)</bibRefCitation>
could not determine the exact number of coiled tubes in the
<collectingCountry id="F33C76647E56FFD9FE66FD634FE53CFD" box="[404,510,717,739]" name="Bermuda" pageId="17" pageNumber="288">Bermuda</collectingCountry>
individuals.
</paragraph>
</subSubSection>
</treatment>
</document>