184 lines
16 KiB
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184 lines
16 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/zookeys.94.794" ID-GBIF-Dataset="bbfece5e-665a-4062-92ec-3fe8b059e0bd" ID-PMC="PMC3095178" ID-Pensoft-Pub="1313-2970-94-1" ID-PubMed="21594074" ModsDocAuthor="" ModsDocDate="2011" ModsDocID="1313-2970-94-1" ModsDocOrigin="ZooKeys 94" ModsDocTitle="Marine Gastrotricha of the Near East: 1. Fourteen new species of Macrodasyida and a redescription of Dactylopodola agadasys Hochberg, 2003" checkinTime="1451250463722" checkinUser="pensoft" docAuthor="Hummon, William D." docDate="2011" docId="0ADA87EBC956D9C1A6D5A63E4F2068A3" docLanguage="en" docName="ZooKeys 94: 1-59" docOrigin="ZooKeys 94" docSource="http://dx.doi.org/10.3897/zookeys.94.794" docTitle="Cephalodasys dolichosomus Hummon, 2011, sp. n." docType="treatment" docVersion="5" lastPageNumber="7" masterDocId="7D5E8574FF915668FF877704990AFFF6" masterDocTitle="Marine Gastrotricha of the Near East: 1. Fourteen new species of Macrodasyida and a redescription of Dactylopodola agadasys Hochberg, 2003" masterLastPageNumber="59" masterPageNumber="1" pageNumber="5" updateTime="1668168971445" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Marine Gastrotricha of the Near East: 1. Fourteen new species of Macrodasyida and a redescription of Dactylopodola agadasys Hochberg, 2003</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Hummon, William D.</mods:namePart>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>ZooKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2011</mods:date>
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<mods:detail type="volume">
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<mods:number>94</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>59</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/zookeys.94.794</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.94.794</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1313-2970-94-1</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="159365044" LSID="urn:lsid:zoobank.org:act:07C24BD1-E79E-4A7A-AC89-C64D37E718AE" httpUri="http://treatment.plazi.org/id/0ADA87EBC956D9C1A6D5A63E4F2068A3" lastPageId="6" lastPageNumber="7" pageId="4" pageNumber="5">
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<subSubSection pageId="4" pageNumber="5" type="nomenclature">
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<paragraph pageId="4" pageNumber="5">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:07C24BD1-E79E-4A7A-AC89-C64D37E718AE" family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys dolichosomus" order="Macrodasyida" pageId="4" pageNumber="5" phylum="Gastrotricha" rank="species" species="dolichosomus">Cephalodasys dolichosomus</taxonomicName>
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<taxonomicNameLabel pageId="4" pageNumber="5">sp. n.</taxonomicNameLabel>
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Figure 2
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</paragraph>
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</subSubSection>
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<subSubSection pageId="4" pageNumber="5" type="reference_group">
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<paragraph pageId="4" pageNumber="5">
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<taxonomicName family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys" order="Macrodasyida" pageId="4" pageNumber="5" phylum="Gastrotricha" rank="genus">Cephalodasys</taxonomicName>
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EgyB
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<bibRefCitation author="Hummon, WD" journalOrPublisher="Meiofauna Marina" pageId="35" pageNumber="36" pagination="121 - 132" title="Tetranchyroderma parapapii sp. n. (Gastrotricha, Thaumastodermatidae), a North American analog to the European T. papii, with a redescription of the latter." volume="17" year="2009">Hummon (2009)</bibRefCitation>
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[E Med & Red Sea Database].
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5" type="diagnosis">
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<paragraph pageId="4" pageNumber="5">Diagnosis:</paragraph>
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<paragraph lastPageId="5" lastPageNumber="6" pageId="4" pageNumber="5">
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Adult Lt to 772
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<normalizedToken originalValue="µm">µm</normalizedToken>
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; PhJIn at U28. Head small, pyriform, with a broad circumcephalic band of cilia at U02-U05, separated from the rest of the body by a long
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<pageBreakToken pageId="5" pageNumber="6" start="start">gradual</pageBreakToken>
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neck constriction; trunk narrow, bowed outward along the mid-gut, caudum slightly flaired. Epidermis finely granular, without glands. TbA 4 per side, borne on fleshy hands; TbVL 6 per side, with 5 inserted regularly from U27 to U51 and the 6th at U72, one in the rear pharyngeal region, the others in the fore- and midgut region; TbP 10-12, inserting on the rounded caudum. Locomotor ciliature: 2 longitudinal bands, separate from one another, but uniting with cilia of the transverse cephalic band in front, and joining together behind the anus. Mouth terminal, of medium diameter; buccal cavity cylindrical; pharyngeal pores basal; intestine broadest at the rear mid-gut, narrowing behind; anus ventral at U95. Hermaphroditic; testes begin at the PhJIn, vasa deferentia run rearward, but termini not seen; a column of eggs lies along the mid-gut, developing front to rear; frontal and caudal organs not seen.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="6" lastPageNumber="7" pageId="5" pageNumber="6" type="description">
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<paragraph pageId="5" pageNumber="6">Description:</paragraph>
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<paragraph pageId="5" pageNumber="6">
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Adult Lt 615-772
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<normalizedToken originalValue="µm">µm</normalizedToken>
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; LPh 205-215
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<normalizedToken originalValue="µm">µm</normalizedToken>
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to PhJIn at U33-U28 (Fig. 2). Body transparent, strap-shaped, dorsoventrally flattened, but vaulted dorsally; head small, pyriform, truncated apically, with a broad circumcephalic band of cilia at U02-U05, separated from the rest of the body by a long gradual neck constriction; trunk narrow, bowed slightly outward along the mid-gut, and then narrowing again to a rounded, slightly flaired caudum. Widths of head /neck /trunk /caudal base /caudal flair, and locations along the length of the body are as follows: 44 /32 /63 /24 /28
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<normalizedToken originalValue="µm">µm</normalizedToken>
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at U05 /U07 /U54 /U95 /U96, respectively. Cuticle is flexible, epidermis finely granular, but lacking glands.
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</paragraph>
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<paragraph pageId="5" pageNumber="6">
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Adhesive tubes:TbA 4 per side (L 8-9
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<normalizedToken originalValue="µm">µm</normalizedToken>
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), borne on broad fleshy hands that insert at U08; TbVL 6 per side (L 15-18
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<normalizedToken originalValue="µm">µm</normalizedToken>
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), 5 inserted regularly from U27 to U51 and the 6th at U72, one between pharyngeal pores and PhJIn, the others in the fore- and midgut region; TbP 16 total (L 7-10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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), inserting in a single row about the flaired caudum.
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</paragraph>
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<paragraph pageId="5" pageNumber="6">
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Ciliation:A number of cilia insert on each side of the head (L 9-18
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<normalizedToken originalValue="µm">µm</normalizedToken>
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); a broad transverse band of cephalic cilia (L 18-20
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) covers the broadest part of the head from U02 to U05 and joins the locomotor ciliature ventrally; some 30-32 sensory hairs occur in lateral (L 9-12
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) and dorsolateral (L 18-20
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) columns along either side of the trunk at U06-U96. Ventral locomotor ciliature forms two longitudinal bands of short (L 9-12
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<normalizedToken originalValue="µm">µm</normalizedToken>
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), scattered cilia that follow the lateral body contours beneath the entire length of the body, separate medially beneath the head and pharynx, but converging behind the anus and merging into a single band onto the caudum.
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</paragraph>
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<paragraph pageId="5" pageNumber="6">
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Digestive tract: Mouth is terminal, of medium width (6
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diameter); buccal cavity nearly cylindrical, lined with cuticule of medium thickness; pharynx narrows toward the rear, but with basal pharyngeal pores showing dorsolateraly; intestine broadest in the rear mid-gut region, narrowing behind; anus is ventral at U95.
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</paragraph>
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<paragraph pageId="5" pageNumber="6">
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Reproductive tract: Hermaphroditic; testes begin at the PhJIn, vasa differentia lead rearward past U50, but termini not seen; ovary solitary, lying above the foregut on the right side, with a column of multiple ova developing toward the rear, reaching 115
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<normalizedToken originalValue="×">x</normalizedToken>
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40
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<normalizedToken originalValue="µm">µm</normalizedToken>
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in size; frontal and caudal organs not seen.
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</paragraph>
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<paragraph lastPageId="6" lastPageNumber="7" pageId="5" pageNumber="6">
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Ecology: Occasional in frequency of occurrence (10-30% of samples), scarce to prevalent in abundance (3% to more than 30% of a sample, the latter often a sub- [sdom] or co-dominant [cdom]); littoral in fine, well sorted sand to very fine-very coarse, poorly-extremely poorly sorted, clean to detrital sand at 0-10 cm depth, mean
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<pageBreakToken pageId="6" pageNumber="7" start="start">low</pageBreakToken>
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water to extreme low water; mostly sublittoral in very fine to medium, well to medium sorted, clean silicious or coralline sands, sometimes mixed with shell and/or coral gravel, at 0.5-8 m water depth.
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</paragraph>
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<caption pageId="6" pageNumber="7">
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<paragraph pageId="6" pageNumber="7">
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Figure 2.
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<taxonomicName family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys dolichosomus" order="Macrodasyida" pageId="6" pageNumber="7" phylum="Gastrotricha" rank="species" species="dolichosomus">Cephalodasys dolichosomus</taxonomicName>
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sp. n. dorsal and ventral views of a mature adult (Lt=772, LPh=215
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) from Main Beach, Ras Mohamed National Park, S. Sinai, Egypt; dorsal with dorsal and lateral body cilia, digestive and reproductive tracts; ventral with adhesive tubes and locomotor ciliary bands.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="7" type="geographical distribution">
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<paragraph pageId="6" pageNumber="7">Geographical distribution:</paragraph>
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<paragraph pageId="6" pageNumber="7">
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Red Sea:EGYPT: {23km south of Ein Sukhna, Marsa Bareika N [sdom], ^Main Beach Ras Mohamed NP [cdom] (
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<geoCoordinate direction="north" orientation="latitude" precision="925" value="27.733334">27°44'N</geoCoordinate>
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,
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<geoCoordinate direction="east" orientation="longitude" precision="925" value="34.2">34°12'E</geoCoordinate>
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) [4-videos],
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<normalizedToken originalValue="Na’ama">Na'ama</normalizedToken>
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Bay N [sdom], Sharm el-Sheikh [3-videos], Ras Sudr [sdom]}; ISRAEL: {Coral Beach M5 [2-videos]}.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="7" type="remarks">
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<paragraph pageId="6" pageNumber="7">Remarks:</paragraph>
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<paragraph pageId="6" pageNumber="7">
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There are nine video sequences of
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<taxonomicName family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys dolichosomus" order="Macrodasyida" pageId="6" pageNumber="7" phylum="Gastrotricha" rank="species" species="dolichosomus">Cephalodasys dolichosomus</taxonomicName>
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sp. n., all from the upper Red Sea in Egypt and Israel. Three of these are available as MPEG 2 (and MPEG 1) from
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<bibRefCitation author="Hummon, WD" journalOrPublisher="Meiofauna Marina" pageId="35" pageNumber="36" pagination="121 - 132" title="Tetranchyroderma parapapii sp. n. (Gastrotricha, Thaumastodermatidae), a North American analog to the European T. papii, with a redescription of the latter." volume="17" year="2009">Hummon (2009)</bibRefCitation>
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: #744 a mature adult Lectotype of Lt=772
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(LPh=178
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<normalizedToken originalValue="µm">µm</normalizedToken>
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), collected in July 1994 from Main Beach, Ras Mohamed NP, S. Sinai, Egypt; #1917 a mature adult of Lt=763
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(LPh=172
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) from Coral Reserve, Eilat, Israel; and the other, #742 a subadult of Lt=186
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(LPh=93
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) from Sharm el-Sheikh, S. Sinai, Egypt.
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<taxonomicName family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys dolichosomus" order="Macrodasyida" pageId="6" pageNumber="7" phylum="Gastrotricha" rank="species" species="dolichosomus">Cephalodasys dolichosomus</taxonomicName>
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can occupy a variety of sediments, but its greatest numbers occur sublittorally in finer, well sorted sands; it is unusual among the genus in having so many of its findings as co- or sub-dominant abundances.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="7" type="etymology">
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<paragraph pageId="6" pageNumber="7">Etymology:</paragraph>
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<paragraph pageId="6" pageNumber="7">
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Dolichosoma (Greek: dolichos + soma = meaning 'long
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<normalizedToken originalValue="body’">body'</normalizedToken>
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) refers to the overall length of the animal, enhanced by the relative slenderness of its silhouette.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="7" type="taxonomic affinities">
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<paragraph pageId="6" pageNumber="7">Taxonomic affinities:</paragraph>
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<paragraph pageId="6" pageNumber="7">
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When mature,
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<taxonomicName family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys dolichosomus" order="Macrodasyida" pageId="6" pageNumber="7" phylum="Gastrotricha" rank="species" species="dolichosomus">Cephalodasys dolichosomus</taxonomicName>
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sp. n. is the longest, thinnest member of the genus, the only species in the genus that has the following combination of characters: a small pyriform head, with a transverse band of cephalic cilia, a PhJIn at U28, which also has TbA 4 per side; TbVL 6 per side (5 at U27-U51 and a 6th at U72); and TbP 16 total, borne on a flaired caudum; TbL per se /D/V absent; and ova developing fore to aft, though accessory sex organs were not seen.
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<taxonomicName family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys dolichosomus" order="Macrodasyida" pageId="6" pageNumber="7" phylum="Gastrotricha" rank="species" species="dolichosomus">Cephalodasys dolichosomus</taxonomicName>
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belongs in the group of species that have pyriform heads, but is longer, thinner and with fewer TbL than other species with which it might be compared, namely
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<taxonomicName family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys cambriensis" order="Macrodasyida" pageId="6" pageNumber="7" phylum="Gastrotricha" rank="species" species="cambriensis">Cephalodasys cambriensis</taxonomicName>
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(Boaden, 1963);
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<taxonomicName family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys littoralis" order="Macrodasyida" pageId="6" pageNumber="7" phylum="Gastrotricha" rank="species" species="littoralis">Cephalodasys littoralis</taxonomicName>
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Renaud-Debyser, 1964;
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<taxonomicName family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys pacificus" order="Macrodasyida" pageId="6" pageNumber="7" phylum="Gastrotricha" rank="species" species="pacificus">Cephalodasys pacificus</taxonomicName>
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Schmidt, 1974; and
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<taxonomicName family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys turbanelloides" order="Macrodasyida" pageId="6" pageNumber="7" phylum="Gastrotricha" rank="species" species="turbanelloides">Cephalodasys turbanelloides</taxonomicName>
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(Boaden, 1960).
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |