203 lines
19 KiB
XML
203 lines
19 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.813.29565" ID-GBIF-Dataset="3a75bf14-933e-44bf-8384-c6a790bce3db" ID-PMC="PMC6331516" ID-Pensoft-Pub="1313-2970-813-1" ID-PubMed="30647523" ID-ZBK="AA071B67392E4B82ADECCA05E6ED7770" ModsDocAuthor="" ModsDocDate="2019" ModsDocID="1313-2970-813-1" ModsDocOrigin="ZooKeys 813" ModsDocTitle="Why be original? Two new species of Choeradoplana resembling the type species of the genus in their external aspects (Platyhelminthes, Continenticola)" checkinTime="1546956048230" checkinUser="pensoft" docAuthor="turralde, Giuly Gouvea & Leal-Zanchet, Ana" docDate="2019" docId="B8DCF01BFBB4620D77F57F53292860E6" docLanguage="en" docName="ZooKeys 813: 1-19" docOrigin="ZooKeys 813" docSource="http://dx.doi.org/10.3897/zookeys.813.29565" docTitle="Choeradoplana longivesicula turralde & Leal-Zanchet, 2019, sp. n." docType="treatment" docUuid="FC60603B-DBA9-4B55-BB17-FF9E0B337C61" docUuidSource="ZooBank" docVersion="5" lastPageNumber="7" masterDocId="FFACDD36FFA3DF6D54588D59FF80B712" masterDocTitle="Why be original? Two new species of Choeradoplana resembling the type species of the genus in their external aspects (Platyhelminthes, Continenticola)" masterLastPageNumber="19" masterPageNumber="1" pageNumber="3" updateTime="1668166697341" updateUser="ExternalLinkService">
|
|
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
|
|
<mods:titleInfo>
|
|
<mods:title>Why be original? Two new species of Choeradoplana resembling the type species of the genus in their external aspects (Platyhelminthes, Continenticola)</mods:title>
|
|
</mods:titleInfo>
|
|
<mods:name type="personal">
|
|
<mods:role>
|
|
<mods:roleTerm>Author</mods:roleTerm>
|
|
</mods:role>
|
|
<mods:namePart>turralde, Giuly Gouvea</mods:namePart>
|
|
</mods:name>
|
|
<mods:name type="personal">
|
|
<mods:role>
|
|
<mods:roleTerm>Author</mods:roleTerm>
|
|
</mods:role>
|
|
<mods:namePart>Leal-Zanchet, Ana</mods:namePart>
|
|
</mods:name>
|
|
<mods:typeOfResource>text</mods:typeOfResource>
|
|
<mods:relatedItem type="host">
|
|
<mods:titleInfo>
|
|
<mods:title>ZooKeys</mods:title>
|
|
</mods:titleInfo>
|
|
<mods:part>
|
|
<mods:date>2019</mods:date>
|
|
<mods:detail type="volume">
|
|
<mods:number>813</mods:number>
|
|
</mods:detail>
|
|
<mods:extent unit="page">
|
|
<mods:start>1</mods:start>
|
|
<mods:end>19</mods:end>
|
|
</mods:extent>
|
|
</mods:part>
|
|
</mods:relatedItem>
|
|
<mods:location>
|
|
<mods:url>http://dx.doi.org/10.3897/zookeys.813.29565</mods:url>
|
|
</mods:location>
|
|
<mods:classification>journal article</mods:classification>
|
|
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.813.29565</mods:identifier>
|
|
<mods:identifier type="Pensoft-Pub">1313-2970-813-1</mods:identifier>
|
|
<mods:identifier type="ZBK">AA071B67392E4B82ADECCA05E6ED7770</mods:identifier>
|
|
<mods:identifier type="ZooBank">AA071B67392E4B82ADECCA05E6ED7770</mods:identifier>
|
|
</mods:mods>
|
|
<treatment ID-GBIF-Taxon="154127030" LSID="urn:lsid:zoobank.org:act:FC60603B-DBA9-4B55-BB17-FF9E0B337C61" httpUri="http://treatment.plazi.org/id/B8DCF01BFBB4620D77F57F53292860E6" lastPageId="6" lastPageNumber="7" pageId="2" pageNumber="3">
|
|
<subSubSection pageId="2" pageNumber="3" type="nomenclature">
|
|
<paragraph pageId="2" pageNumber="3">
|
|
<taxonomicName LSID="http://zoobank.org/FC60603B-DBA9-4B55-BB17-FF9E0B337C61" family="Geoplanidae" genus="Choeradoplana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Choeradoplana longivesicula" order="Tricladida" pageId="2" pageNumber="3" phylum="Platyhelminthes" rank="species" species="longivesicula">Choeradoplana longivesicula</taxonomicName>
|
|
<taxonomicNameLabel pageId="2" pageNumber="3">sp. n.</taxonomicNameLabel>
|
|
Figures 1-2, 3-7, 8, 9, 10-11
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="2" pageNumber="3" type="type material">
|
|
<paragraph pageId="2" pageNumber="3">Type-material.</paragraph>
|
|
<paragraph pageId="2" pageNumber="3">
|
|
Holotype: MZUSP PL.2143: leg. JAL Braccini, 6 June 2015, General Carneiro (
|
|
<taxonomicName class="Pinopsida" family="Araucariaceae" genus="Araucaria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Araucaria" order="Pinales" pageId="2" pageNumber="3" phylum="Tracheophyta" rank="genus">Araucaria</taxonomicName>
|
|
Natural Heritage Private Reserve), PR, Brazil - anterior tip: transverse sections on 24 slides; anterior region at the level of the ovaries: sagittal sections on 27 slides; pre-pharyngeal region: transverse sections on 8 slides; pharynx: sagittal sections on 31 slides; copulatory apparatus: sagittal sections on 25 slides. Paratype: MZU PL.00292: leg. I Rossi, 6 June 2015, General Carneiro (
|
|
<taxonomicName class="Pinopsida" family="Araucariaceae" genus="Araucaria" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Araucaria" order="Pinales" pageId="2" pageNumber="3" phylum="Tracheophyta" rank="genus">Araucaria</taxonomicName>
|
|
Natural Heritage Private Reserve), state of Parana, Brazil - anterior tip: transverse sections on 27 slides; anterior region at the level of the ovaries: sagittal sections on 24 slides; pre-pharyngeal region: transverse sections on 10 slides; pharynx: sagittal sections on 22 slides; copulatory apparatus: sagittal sections on 19 slides.
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="2" pageNumber="3" type="diagnosis">
|
|
<paragraph pageId="2" pageNumber="3">Diagnosis.</paragraph>
|
|
<paragraph pageId="2" pageNumber="3">
|
|
A species of
|
|
<taxonomicName family="Geoplanidae" genus="Choeradoplana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Choeradoplana" order="Tricladida" pageId="2" pageNumber="3" phylum="Platyhelminthes" rank="genus">Choeradoplana</taxonomicName>
|
|
with dorsal surface covered by irregular small dark-brown flecks and thin median light stripe; pharynx bell-shaped; sperm ducts opening laterally into proximal wall of prostatic vesicle; prostatic vesicle tubular and unpaired, narrowing to open through tip of penis papilla as an ejaculatory duct; penis papilla cylindrical and almost symmetrical, filling entire common atrium; atrium oval-elongate and unfolded, without differentiation between male and female regions.
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection lastPageId="6" lastPageNumber="7" pageId="2" pageNumber="3" type="description">
|
|
<paragraph pageId="2" pageNumber="3">Description.</paragraph>
|
|
<paragraph pageId="2" pageNumber="3">External features. Body elongate with parallel margins (Figs 1, 2), elliptical in cross section; anterior end expanded, posterior end slight pointed. Cephalic region (ca. 3 mm long) with two glandular cushions separated by a median longitudinal slit in the ventral surface. Maximum length 67 mm when crawling; 50 mm after fixation (Table 1). Mouth at median third of body; gonopore at posterior third of body (Table 1).</paragraph>
|
|
<caption pageId="2" pageNumber="3">
|
|
<paragraph pageId="2" pageNumber="3">
|
|
Figures 1, 2.
|
|
<taxonomicName family="Geoplanidae" genus="Choeradoplana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Choeradoplana longivesicula" order="Tricladida" pageId="2" pageNumber="3" phylum="Platyhelminthes" rank="species" species="longivesicula">Choeradoplana longivesicula</taxonomicName>
|
|
sp. n., paratype MZU PL. 00292, 1, 2 dorsal view, with part of whitish ventral surface visible in 1. Arrows indicate the anterior tip.
|
|
</paragraph>
|
|
</caption>
|
|
<caption ID-Table-UUID="F65945BD35F5E93C1A5D52FE729D9D0C" httpUri="http://table.plazi.org/id/F65945BD35F5E93C1A5D52FE729D9D0C" pageId="2" pageNumber="3">
|
|
<paragraph pageId="2" pageNumber="3">
|
|
Table 1. Measurements, in mm, of specimens of
|
|
<taxonomicName family="Geoplanidae" genus="Choeradoplana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Choeradoplana longivesicula" order="Tricladida" pageId="2" pageNumber="3" phylum="Platyhelminthes" rank="species" species="longivesicula">Choeradoplana longivesicula</taxonomicName>
|
|
sp. n. Abbreviations: * after fixation; DG distance of gonopore from anterior end; DM distance of mouth from anterior end; DMG distance between mouth and gonopore; DPVP distance between prostatic vesicle and pharyngeal pouch. The numbers given in parentheses represent the position relative to body length.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph pageId="2" pageNumber="3">
|
|
<table pageId="2" pageNumber="3">
|
|
<tr pageId="2" pageNumber="3">
|
|
<th colspan="1" pageId="2" pageNumber="3" rowspan="1">Measurement</th>
|
|
<th colspan="1" pageId="2" pageNumber="3" rowspan="1">
|
|
Holotype
|
|
<abbrev id="ABBRID0E3DAE" pageId="2" pageNumber="3">MZUSP</abbrev>
|
|
PL. 2143
|
|
</th>
|
|
<th colspan="1" pageId="2" pageNumber="3" rowspan="1">
|
|
Paratype
|
|
<abbrev id="ABBRID0EEEAE" pageId="2" pageNumber="3">MZU</abbrev>
|
|
PL.00292
|
|
</th>
|
|
</tr>
|
|
</table>
|
|
</paragraph>
|
|
<paragraph pageId="2" pageNumber="3">Live specimens with dorsal surface covered by dark-brown pigmentation constituted by irregular, small flecks. Yellowish ground colour visible on cephalic region, on body margins, as well as on thin median stripe occurring along the body except for cephalic region (Figs 1, 2). Ventral surface whitish before and after fixation. After fixation, dorsal pigmentation fades.</paragraph>
|
|
<paragraph pageId="2" pageNumber="3">
|
|
Eyes absent on anterior tip (first 1.5 mm of body, corresponding to 3% of body length). Afterwards, eyes initially monolobate and uniserial. Eyes become trilobate and plurisserial after 3 mm and sparser towards posterior tip. No clear halos around eyes. Pigment cups between 20
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
and 30
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
in diameter.
|
|
</paragraph>
|
|
<paragraph pageId="2" pageNumber="3">
|
|
Sensory organs, epidermis and body musculature. Sensory pits, as simple invaginations (15-20
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
deep), absent on anterior tip, occurring in a single row between 3% and 10% of body length. Three types of glands discharge through whole epidermis of pre-pharyngeal region: rhabditogen glands with xanthophil rhammites (ventrally with smaller rhabdites) and cyanophil glands with amorphous secretion, as well as few erythrophil glands with fine granular secretion (Figs 3, 4). Creeping sole occupies 82% of body width. Glandular margin absent. Glands discharging through anterior tip of body with similar arrangement as in other species of the genus.
|
|
</paragraph>
|
|
<caption pageId="2" pageNumber="3">
|
|
<paragraph pageId="2" pageNumber="3">
|
|
Figures 3-7.
|
|
<taxonomicName family="Geoplanidae" genus="Choeradoplana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Choeradoplana longivesicula" order="Tricladida" pageId="2" pageNumber="3" phylum="Platyhelminthes" rank="species" species="longivesicula">Choeradoplana longivesicula</taxonomicName>
|
|
sp. n., paratype MZU PL. 00292 3, 4 pre-pharyngeal region, transverse sections 5, 6 anterior region of body, transverse sections 7 pharynx, sagittal section, with anterior tip to the left.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph lastPageId="4" lastPageNumber="5" pageId="3" pageNumber="4">
|
|
<pageBreakToken pageId="3" pageNumber="4" start="start">Cutaneous</pageBreakToken>
|
|
musculature with usual three layers (circular, oblique, and longitudinal layers), showing part of ventral longitudinal layer, as well as some muscle bundles of dorsal longitudinal layer, imbedded in mesenchyme (Fig. 3, Table 2). Longitudinal layer between four and eight times thicker than other two cutaneous layers in pre-pharyngeal
|
|
<pageBreakToken pageId="4" pageNumber="5" start="start">region</pageBreakToken>
|
|
(Table 2). Cutaneous musculature as thick paramedially as medially. Ventral musculature slightly thinner than dorsal in pre-pharyngeal region. Ratio between cutaneous musculature and body height (mc:h) ca. 19% (Table 2). In cephalic region, cutaneous musculature with similar arrangement as in other species of the genus (Fig. 5).
|
|
</paragraph>
|
|
<caption ID-Table-UUID="AC109213A302EDD7586BF611DA5D6F7F" httpUri="http://table.plazi.org/id/AC109213A302EDD7586BF611DA5D6F7F" pageId="4" pageNumber="5">
|
|
<paragraph pageId="4" pageNumber="5">
|
|
Table 2. Body height and cutaneous musculature in the median region of a transverse section of the pre-pharyngeal, in micrometres, and ratio of the thickness of cutaneous musculature to the height of the body (mc:h index) of specimens of
|
|
<taxonomicName family="Geoplanidae" genus="Choeradoplana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Choeradoplana longivesicula" order="Tricladida" pageId="4" pageNumber="5" phylum="Platyhelminthes" rank="species" species="longivesicula">Choeradoplana longivesicula</taxonomicName>
|
|
sp. n.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph pageId="4" pageNumber="5">
|
|
<table pageId="4" pageNumber="5">
|
|
<tr pageId="4" pageNumber="5">
|
|
<th colspan="1" pageId="4" pageNumber="5" rowspan="1">Measurement</th>
|
|
<th colspan="1" pageId="4" pageNumber="5" rowspan="1">
|
|
Holotype
|
|
<abbrev id="ABBRID0ECOAE" pageId="4" pageNumber="5">MZUSP</abbrev>
|
|
PL.2143
|
|
</th>
|
|
<th colspan="1" pageId="4" pageNumber="5" rowspan="1">
|
|
Paratype
|
|
<abbrev id="ABBRID0EKOAE" pageId="4" pageNumber="5">MZU</abbrev>
|
|
PL.00292
|
|
</th>
|
|
</tr>
|
|
</table>
|
|
</paragraph>
|
|
<paragraph pageId="4" pageNumber="5">Mesenchymal musculature (Fig. 3) weakly developed, mainly composed of three layers: (1) dorsal subcutaneous, located mainly close to cutaneous musculature, with decussate fibres (2-3 fibres thick), (2) supra-intestinal transverse (3-5 fibres thick) and (3) sub-intestinal transverse (4-6 fibres thick). In cephalic region, mesenchymal musculature with similar arrangement as in other species of the genus (Fig. 5).</paragraph>
|
|
<paragraph pageId="4" pageNumber="5">Digestive System. Pharynx bell-shaped, ca. 6% of body length, occupies ca. 90% of pharyngeal pouch. Mouth slightly posterior to dorsal insertion next to end of median third of pharyngeal pouch (Fig. 7). Oesophagus absent.</paragraph>
|
|
<paragraph pageId="4" pageNumber="5">Reproductive organs. Testes in one or two irregular rows on either side of body, located beneath dorsal transverse mesenchymal muscles, between intestinal branches (Fig. 3), begin slightly anteriorly to ovaries, in anterior third of body, and extend to next to root of the pharynx (Table 1). Sperm ducts dorsal to ovovitelline ducts, under or among fibres of sub-intestinal transverse mesenchymal musculature, in pre-pharyngeal region (Figure 3). They form spermiducal vesicles posteriorly to pharynx. Sperm ducts enter common muscle coat, ascend slightly and open laterally into proximal wall of prostatic vesicle. Intrabulbar prostatic vesicle, tubular and unpaired, traverses both penis bulb and papilla (Fig. 10), narrowing to open through tip of papilla as an ejaculatory duct (Fig. 11). Penis papilla, cylindrical and almost symmetrical, filling entire common atrium. Dorsal insertion of penis papilla slightly shifted posteriorly. Common atrium oval-elongate and unfolded, without differentiation between male and female atria (Figs 8, 9).</paragraph>
|
|
<caption pageId="4" pageNumber="5">
|
|
<paragraph pageId="4" pageNumber="5">
|
|
Figures 8, 9.
|
|
<taxonomicName family="Geoplanidae" genus="Choeradoplana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Choeradoplana longivesicula" order="Tricladida" pageId="4" pageNumber="5" phylum="Platyhelminthes" rank="species" species="longivesicula">Choeradoplana longivesicula</taxonomicName>
|
|
sp. n., holotype 8 copulatory apparatus, sagittal section 9 sagittal composite reconstruction of copulatory apparatus. Anterior tip to the left.
|
|
</paragraph>
|
|
</caption>
|
|
<caption pageId="4" pageNumber="5">
|
|
<paragraph pageId="4" pageNumber="5">
|
|
Figures 10, 11.
|
|
<taxonomicName family="Geoplanidae" genus="Choeradoplana" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Choeradoplana longivesicula" order="Tricladida" pageId="4" pageNumber="5" phylum="Platyhelminthes" rank="species" species="longivesicula">Choeradoplana longivesicula</taxonomicName>
|
|
sp. n., holotype, sagittal sections 10 prostatic vesicle 11 ejaculatory duct and female canal. Anterior tip to the left. Arrow indicates the transition from the prostatic vesicle to the ejaculatory duct.
|
|
</paragraph>
|
|
</caption>
|
|
<paragraph lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5">
|
|
Prostatic vesicle lined with high pseudostratified epithelium with few ciliated cells, receiving numerous openings of glands with ill-stained, coarse granular secretion, sometimes containing an erythrophil core. In addition, sparse openings of other two types of glands occur throughout the epithelium of prostatic vesicle: cells with xanthophil, coarse granular secretion, and cell with amorphous, cyanophil secretion.
|
|
<pageBreakToken pageId="5" pageNumber="6" start="start">Ejaculatory</pageBreakToken>
|
|
duct lined with columnar, densely ciliated epithelium. Both penis papilla and atrium lined with non-ciliated columnar epithelium, becoming cuboidal towards tip of papilla, showing a xanthophil apical region. Numerous glands of two types open through epithelial lining of penis papilla and atrium: one with xanthophil, coarse granular secretion and the other with amorphous, cyanophil secretion. In addition, a third type, with fine granular, erythrophil secretion, opens through epithelial lining of penis papilla. Muscularis of penis papilla (30-60
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
) composed of subepithelial layer with circular fibres followed by some longitudinal fibres; that of atrium composed of longitudinal and circular interwoven fibres (10-15
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
).
|
|
</paragraph>
|
|
<paragraph pageId="6" pageNumber="7">
|
|
<pageBreakToken pageId="6" pageNumber="7" start="start">Vitelline</pageBreakToken>
|
|
follicles situated between intestinal branches, well developed. Ovaries ovoid, ca. twice longer than wide, measuring 0.2 mm in its antero-posterior axis. They are located dorsally to the ventral nerve plate, in anterior third of body. Ovovitelline ducts emerge laterally from median third of ovaries, then run posteriorly immediately dorsal to the nerve plate. Behind the gonopore, the ovovitelline ducts ascend posteriorly and medially inclined, and unite, dorsally to the female canal, forming the common glandular ovovitelline duct. Female canal relatively long and C shaped. This canal opens into bottom of posterior part of atrium, where a constriction occurs (Figs 8, 9).
|
|
</paragraph>
|
|
<paragraph pageId="6" pageNumber="7">
|
|
Female canal lined with erythrophil, pseudostratified epithelium. Three types of glands open through the epithelium of female canal: abundant cells with finely granular, erythrophil secretion, cells with coarse granular, xanthophil secretion, and scarce cells with amorphous, cyanophil secretion. Muscularis of female canal composed of longitudinal and circular interwoven fibres (20-30
|
|
<normalizedToken originalValue="µm">µm</normalizedToken>
|
|
)
|
|
</paragraph>
|
|
<paragraph pageId="6" pageNumber="7">Gonopore canal almost vertical at the sagittal plane. Common muscle coat highly developed, especially at penis bulb (Figs 8, 9), with interwoven oblique, circular and longitudinal fibres.</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="6" pageNumber="7" type="etymology">
|
|
<paragraph pageId="6" pageNumber="7">Etymology.</paragraph>
|
|
<paragraph pageId="6" pageNumber="7">The name is composed of the Latin adjective longus (long) and the Latin vesicula, alluding to the elongate prostatic vesicle.</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="6" pageNumber="7" type="distribution">
|
|
<paragraph pageId="6" pageNumber="7">Distribution.</paragraph>
|
|
<paragraph pageId="6" pageNumber="7">
|
|
known only from the type-locality, General Carneiro,
|
|
<normalizedToken originalValue="Paraná">Parana</normalizedToken>
|
|
, Brazil.
|
|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |