186 lines
16 KiB
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186 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="98556B0EA49A53F7C352F5072EE8E258" docLanguage="en" docName="ZooKeys 94: 1-59" docOrigin="ZooKeys 94" docSource="http://dx.doi.org/10.3897/zookeys.94.794" docTitle="Cephalodasys saegailus Hummon, 2011, sp. n." docType="treatment" docVersion="5" lastPageNumber="9" 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="7" 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="159365043" LSID="urn:lsid:zoobank.org:act:61C1A2D5-F8EA-441A-AAB3-44F8C8B4883D" httpUri="http://treatment.plazi.org/id/98556B0EA49A53F7C352F5072EE8E258" lastPageId="8" lastPageNumber="9" pageId="6" pageNumber="7">
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<subSubSection pageId="6" pageNumber="7" type="nomenclature">
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<paragraph pageId="6" pageNumber="7">
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<taxonomicName LSID="urn:lsid:zoobank.org:act:61C1A2D5-F8EA-441A-AAB3-44F8C8B4883D" family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys saegailus" order="Macrodasyida" pageId="6" pageNumber="7" phylum="Gastrotricha" rank="species" species="saegailus">Cephalodasys saegailus</taxonomicName>
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<taxonomicNameLabel pageId="6" pageNumber="7">sp. n.</taxonomicNameLabel>
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Figure 3
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</paragraph>
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</subSubSection>
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<subSubSection pageId="6" pageNumber="7" type="reference_group">
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<paragraph pageId="6" pageNumber="7">
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<taxonomicName family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys" order="Macrodasyida" pageId="6" pageNumber="7" phylum="Gastrotricha" rank="genus">Cephalodasys</taxonomicName>
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EgyA of
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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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<bibRefCitation author="Todaro, MA" journalOrPublisher="Biogeographica" pageId="35" pageNumber="36" pagination="131 - 160" title="Faunistics and zoogeographical overview of the Mediterranean and Black Sea marine Gastrotricha." volume="24" year="2003">Todaro et al. (2003</bibRefCitation>
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: Appx. 1).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="7" lastPageNumber="8" pageId="6" pageNumber="7" type="diagnosis">
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<paragraph pageId="6" pageNumber="7">Diagnosis:</paragraph>
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<paragraph lastPageId="7" lastPageNumber="8" pageId="6" pageNumber="7">
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Adult Lt to 517
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(perhaps reaching 600
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<normalizedToken originalValue="µm">µm</normalizedToken>
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); PhJIn at U38. Head pyriform, with a broad circumcephalic band of cilia at U02-U07, separated from the rest of the body by a long gradual neck constriction; trunk medium, broadest at the mid-body, caudum slightly flaired. Epidermis finely granular, without glands. TbA 4 per side, borne on fleshy hands; TbVL 10 per side, inserted regularly from U24 to U66, three along the rear pharynx,
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<pageBreakToken pageId="7" pageNumber="8" start="start">the</pageBreakToken>
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others along the fore- and midgut; TbV 2 per side amid the TbVL series at U44 and U49; TbP 18 of varying lengths (12 longer, 6 shorter), inserting on the rear of 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 broadly cylindrical; pharyngeal pores basal; intestine broadest at the rear mid-body and narrowing behind; anus ventral at U92. Hermaphroditic; possibly protandric, testes begin at the PhJIn, vasa deferentia run rearward, but termini not seen; female system not seen, nor were frontal or caudal organs.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="8" lastPageNumber="9" pageId="7" pageNumber="8" type="description">
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<paragraph pageId="7" pageNumber="8">Description:</paragraph>
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<paragraph pageId="7" pageNumber="8">
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Adult Lt 492-517
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<normalizedToken originalValue="µm">µm</normalizedToken>
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; LPh 191-196
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<normalizedToken originalValue="µm">µm</normalizedToken>
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to PhJIn at U39-U38 (Fig. 3). Body transparent, strap-shaped, dorsoventrally flattened, but vaulted dorsally; head pyriform, truncated apically, with a broad circumcephalic band of cilia at U02-U07, separated from the rest of the body by a long gradual neck constriction; trunk of medium width, sides of body broadest at the mid-body, and then narrowing behind to a rounded, slightly flaired caudum. Widths of head /neck /rear pharynx /midtrunk /caudal base /caudal flair, and locations along the length of the body are as follows: 43 /31 /36 /55 /36 /38
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<normalizedToken originalValue="µm">µm</normalizedToken>
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at U08 /U10 /U31 /U63 /U89 /U92, respectively. Cuticle is flexible; epidermis is finely granular; glands are lacking.
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</paragraph>
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<paragraph pageId="7" pageNumber="8">
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Adhesive tubes:TbA 4 per side (L 6-8
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<normalizedToken originalValue="µm">µm</normalizedToken>
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), thick, borne on broad fleshy asymmetrical hands that insert at U11-U12; TbVL 10 per side (L 10-16
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<normalizedToken originalValue="µm">µm</normalizedToken>
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), insert regularly from U24 to U66, three along the rear pharynx, the others along the fore- and midgut; TbV 2 per side (L 8-9
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) occur amidst the TbVL series at U44 and U49; TbL/TbD absent; TbP 18 of varying lengths insert in more than one row around the rear of the rounded caudum, mostly projecting rearward (longer ones, L 8-10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, as # 1-2, 4, 6, 8-9 from either side, and shorter ones, L 5-7
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<normalizedToken originalValue="µm">µm</normalizedToken>
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, as # 3, 5, 7 from either side).
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</paragraph>
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<paragraph pageId="7" pageNumber="8">
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Ciliation: Three sensory hairs (L 7-15
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) project forward on either side of the mouth and others (L 10-20
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) project obliquely from the head; a broad band of cephalic cilia (L 15-20
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) covers the head and joins the locomotor ciliature ventrally; 18-20 sensory hairs each occur regularly in lateral (L 4-6
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<normalizedToken originalValue="µm">µm</normalizedToken>
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), dorsolateral (L 10-14
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) and dorsal (L 14-20
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) columns along each side of the trunk. Ventral locomotor ciliature forms two longitudinal bands of short (L 4-6
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<normalizedToken originalValue="µm">µm</normalizedToken>
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), scattered cilia that follow the lateral body contours 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="7" pageNumber="8">
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Digestive tract: Mouth terminal, but slightly inclined to the ventral surface, medium in width (10
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diameter); buccal cavity semi-cylindrical, lightly cuticularized, having ca. 8 short longitudinal ridges set dorsally in the oral opening; pharynx of medium breadth, narrowest just before the well-developed, basal pharyngeal pores; intestine broad in front, narrowing behind; anus ventral at U92.
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</paragraph>
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<paragraph pageId="7" pageNumber="8">Reproductive tract: Hermaphroditic, probably protandrous; testes begin at the PhJIn (U34), with vasa deferentia continuing rearward past U50, but termini not seen; female system was not yet developed; frontal organ and caudal organ not seen.</paragraph>
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<paragraph lastPageId="8" lastPageNumber="9" pageId="7" pageNumber="8">
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Ecology: Sparse in frequency of occurrence (fewer than 10% of samples), scarce in abundance (3-5% of a sample); sublittoral in very fine to fine, well to medium-well sorted sand at 3 m water depth
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<pageBreakToken pageId="8" pageNumber="9" start="start">.</pageBreakToken>
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</paragraph>
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<caption pageId="8" pageNumber="9">
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<paragraph pageId="8" pageNumber="9">
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Figure 3.
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<taxonomicName family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys saegailus" order="Macrodasyida" pageId="8" pageNumber="9" phylum="Gastrotricha" rank="species" species="saegailus">Cephalodasys saegailus</taxonomicName>
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sp. n. dorsal and ventral views of a mature adult (Lt=517, LPh=196
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) from Sidi Abd al-Rahman, Egypt; dorsal with dorsal and lateral body cilia, digestive and reproductive tracts included, 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="8" pageNumber="9" type="geographical distribution">
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<paragraph pageId="8" pageNumber="9">Geographical distribution:</paragraph>
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<paragraph pageId="8" pageNumber="9">MED:EGYPT {Marsa Matruh [3-vid], ^Sidi Abd al-Rahman [vid]}.</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="9" type="remarks">
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<paragraph pageId="8" pageNumber="9">Remarks:</paragraph>
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<paragraph pageId="8" pageNumber="9">
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There are four video sequences of
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<taxonomicName family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys saegialus" order="Macrodasyida" pageId="8" pageNumber="9" phylum="Gastrotricha" rank="species" species="saegialus">Cephalodasys saegialus</taxonomicName>
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sp. n., all from the eastern Mediterranean Sea in Egypt. 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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: #755 a mature adult Lectotype of Lt=517
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(LPh=196
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<normalizedToken originalValue="µm">µm</normalizedToken>
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), collected in June 1994 from Sidi Abd al-Rahman, Egypt; #754 a mature adult of Lt=492
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(LPh=191
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) from Marsa Matruh, Egypt; #753 a subadult of Lt=369
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(LPh=158
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) also from Marsa Matruh; and the other #752 a subadult of Lt=193
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<normalizedToken originalValue="µm">µm</normalizedToken>
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(LPh=95
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<normalizedToken originalValue="µm">µm</normalizedToken>
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) again from Marsa Matruh.
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<taxonomicName family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys saegialus" order="Macrodasyida" pageId="8" pageNumber="9" phylum="Gastrotricha" rank="species" species="saegialus">Cephalodasys saegialus</taxonomicName>
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feeds on a diversity of diatoms. The largest specimen seen was a young adult and can be expected to reach a longer length, perhaps 600
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<normalizedToken originalValue="µm">µm</normalizedToken>
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.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="9" type="etymology">
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<paragraph pageId="8" pageNumber="9">Etymology:</paragraph>
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<paragraph pageId="8" pageNumber="9">
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Saegailus (Greek: sos + aigialos = meaning 'safe
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<normalizedToken originalValue="shore’">shore'</normalizedToken>
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) refers to its shallow sublittoral habitat along the southern Mediterranean being sheltered from the west wind (zephyr).
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</paragraph>
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</subSubSection>
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<subSubSection pageId="8" pageNumber="9" type="taxonomic affinities">
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<paragraph pageId="8" pageNumber="9">Taxonomic affinities:</paragraph>
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<paragraph pageId="8" pageNumber="9">
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<taxonomicName family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys saegialus" order="Macrodasyida" pageId="8" pageNumber="9" phylum="Gastrotricha" rank="species" species="saegialus">Cephalodasys saegialus</taxonomicName>
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sp. n. is the only species in the genus that has the following combination of characters: a pyriform head, with a transverse band of cephalic cilia, and PhJIn at U39-U38, with TbA 4 per side; TbVL 10 per side at U24-U66, with three along the rear pharynx, the others along the fore- and midgut; TbV 2 per side, amidst the TbVL at U44 & U49; TbL per se /D absent; and TbP 18, of varying sizes, insert in more than one row around the rear of the caudum, with testes but neither ova nor accessory sex organs seen.
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<taxonomicName family="Cephalodasyidae" genus="Cephalodasys" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Cephalodasys saegialus" order="Macrodasyida" pageId="8" pageNumber="9" phylum="Gastrotricha" rank="species" species="saegialus">Cephalodasys saegialus</taxonomicName>
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belongs in the group of species that have pyriform heads, but is unique in having an extended gap between TbL and TbP and in having TbV, compared with 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="8" pageNumber="9" 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="8" pageNumber="9" 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="8" pageNumber="9" 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="8" pageNumber="9" 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> |