212 lines
18 KiB
XML
212 lines
18 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="46EB70E21B2AA2C024E1B9516D93A0F8" docLanguage="en" docName="ZooKeys 94: 1-59" docOrigin="ZooKeys 94" docSource="http://dx.doi.org/10.3897/zookeys.94.794" docTitle="Tetranchyroderma xenodactylum Hummon, 2011, sp. n." docType="treatment" docVersion="5" lastPageNumber="34" 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="32" updateTime="1668168971445" updateUser="ExternalLinkService">
|
||
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo>
|
||
<mods:title>Marine Gastrotricha of the Near East: 1. Fourteen new species of Macrodasyida and a redescription of Dactylopodola agadasys Hochberg, 2003</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Hummon, William D.</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>2011</mods:date>
|
||
<mods:detail type="volume">
|
||
<mods:number>94</mods:number>
|
||
</mods:detail>
|
||
<mods:extent unit="page">
|
||
<mods:start>1</mods:start>
|
||
<mods:end>59</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:location>
|
||
<mods:url>http://dx.doi.org/10.3897/zookeys.94.794</mods:url>
|
||
</mods:location>
|
||
<mods:classification>journal article</mods:classification>
|
||
<mods:identifier type="DOI">http://dx.doi.org/10.3897/zookeys.94.794</mods:identifier>
|
||
<mods:identifier type="Pensoft-Pub">1313-2970-94-1</mods:identifier>
|
||
</mods:mods>
|
||
<treatment ID-GBIF-Taxon="159365022" LSID="urn:lsid:zoobank.org:act:63A40C57-1DE1-4EC1-A5E5-6A1DFE2FA0D0" httpUri="http://treatment.plazi.org/id/46EB70E21B2AA2C024E1B9516D93A0F8" lastPageId="33" lastPageNumber="34" pageId="31" pageNumber="32">
|
||
<subSubSection pageId="31" pageNumber="32" type="nomenclature">
|
||
<paragraph pageId="31" pageNumber="32">
|
||
<taxonomicName LSID="urn:lsid:zoobank.org:act:63A40C57-1DE1-4EC1-A5E5-6A1DFE2FA0D0" family="Thaumastodermatidae" genus="Tetranchyroderma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tetranchyroderma xenodactylum" order="Macrodasyida" pageId="31" pageNumber="32" phylum="Gastrotricha" rank="species" species="xenodactylum">Tetranchyroderma xenodactylum</taxonomicName>
|
||
<taxonomicNameLabel pageId="31" pageNumber="32">sp. n.</taxonomicNameLabel>
|
||
Figure 16
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="31" pageNumber="32" type="reference_group">
|
||
<paragraph pageId="31" pageNumber="32">
|
||
<taxonomicName family="Thaumastodermatidae" genus="Tetranchyroderma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tetranchyroderma" order="Macrodasyida" pageId="31" pageNumber="32" phylum="Gastrotricha" rank="genus">Tetranchyroderma</taxonomicName>
|
||
EgyE
|
||
<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>
|
||
[E Med & Red Seas Database]
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="32" lastPageNumber="33" pageId="31" pageNumber="32" type="diagnosis">
|
||
<paragraph pageId="31" pageNumber="32">Diagnosis:</paragraph>
|
||
<paragraph lastPageId="32" lastPageNumber="33" pageId="31" pageNumber="32">
|
||
Adult being described Lt 246
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
; PhJIn at U35. Body short, robust; head end rounded, without pestle organs, tentacles or lobes; neck a slight narrowing at the PhJIn; trunk broadening in the mid-gut, before narrowing gently then quickly to the caudal base; cirrata dorsolateral, 3 per side; caudal pedicles medium, naked, with a narrow concave margin separating the pedicles, incising medially to U92. Glands 9 per side scattered in lateral columns at U24-U85. A strange sub-cylindrical finger-like structure occurs laterally at U34. Epidermis covered with curved pentancres three times as long as wide, slightly smaller fore and aft; ancres occur in 46 rows of 14-15
|
||
<pageBreakToken pageId="32" pageNumber="33" start="start">ancres</pageBreakToken>
|
||
each, on dorsal and lateral surfaces, extending onto the middle of the oral hood and onto the caudal base. TbA 4 per side, 1 medially and 3 laterally, all projecting forward or obliquely outward, tubes inserting directly on the postoral body surface at U09-U10; TbVL 11 per side, 1 along the fore half of the pharynx at U14, 7 along the intestine at U39-U75, and 3 at and behind the anus at U88-U92; TbV 3 per side in a transverse row at U80; TbL per se/TbD absent; TbP 3 per side on the caudal pedicles, forming the fused 'two fingers and a
|
||
<normalizedToken originalValue="thumb’">thumb'</normalizedToken>
|
||
typical of the family, supplemented by the last of the dorsal cirrata, with 2 additional tubes in the space between the peduncles. Locomotor ciliature: a single field covers the ventral surface from TbA to the anus and behind. Mouth subterminal, as broad as the fore end of the body; buccal cavity lightly cuticularized; pharynx medium throughout, with inconspicuous basal pores; intestine narrows fore to aft, anus ventral at U88. Hermaphroditic; testis on left side as seen from below; vas deferens appears to open in front of the anus; developing ovum occurs above the hindgut; caudal organ spherical; frontal organ oblong, hyaline, partly embedded in the rear of the ovum.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="33" lastPageNumber="34" pageId="32" pageNumber="33" type="description">
|
||
<paragraph pageId="32" pageNumber="33">Description:</paragraph>
|
||
<paragraph pageId="32" pageNumber="33">
|
||
Adult being described Lt 246
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(others 197-322); LPh 87
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(others 79-128) to PhJIn at U35 (others to PhJIn at U40) (Fig. 16). Body short, robust, ventrally flattened, dorsally vaulted; head end rounded, without pestle organs, tentacles or lobes; neck a slight narrowing at the PhJIn, broadening along the mid-gut, before narrowing gently along the hind-gut and then quickly behind the anus to the caudal base; cirrata 4 per side (L 7-11
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
), dorsolateral at U22, U50, U72 and U96; caudal pedicles medium (L 13
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
), naked (without lobes), with a broad concave margin separating the two pedicles, incising medially to U92. Widths at mouth /mid-pharynx /PhJIn /mid-gut /caudal base, and locations along the length of the body are as follows: 41 /44 /39 /47 /22
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
at U06 /U19 /U34 /U66 /U93, respectively. A strange sub-cylindrical finger-like structure (L 7
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
) occurs at U34, being hollow but occluded at its outer end. Glands 9 per side (4
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
diameter to 6
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
9
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
) scattered in lateral columns at U24-U85.
|
||
</paragraph>
|
||
<paragraph pageId="32" pageNumber="33">
|
||
Cuticular armature: Epidermis armored with slightly curved pentancres (L 6, W 2.5
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
), much taller than wide, all 5 tines of the same length, ancres of much the same size over most of the body, but slightly smaller fore and aft; ancres cover dorsal and lateral surfaces in some 46 rows of 14-15 ancres each, extending onto the middle of the oral hood and onto the caudal base.
|
||
</paragraph>
|
||
<paragraph lastPageId="33" lastPageNumber="34" pageId="32" pageNumber="33">
|
||
Adhesive tubes: TbA 4 per side, 1 medially (L 4
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
) projecting forward and 3 laterally (L 6-8
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
), projecting obliquely to the side, all inserting directly on the postoral body surface at U09-U10. TbVL 11 per side, 1 (L 4
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
) along the fore half of the pharynx at U14, just behind the TbA, 7 (L 7-12
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
) along the intestine at U39-U75, and 3 (L 7-12
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
) at and behind the anus at U88-U92; TbV 3 per side (L 7, 11, 7
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
) in a transverse row at U80; TbL per se and TbD are absent; TbP 3 per side on the caudal pedicles, forming the fused 'two fingers and a
|
||
<normalizedToken originalValue="thumb’">thumb'</normalizedToken>
|
||
typical of the many members of the family, (L terminal tubes 4-5
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
, L tube on the inner margin 9
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
), supplemented by the last of the dorsal cirrata, with 2 additional tubes (L 7-8
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
) in the space between the peduncles
|
||
<pageBreakToken pageId="33" pageNumber="34" start="start">.</pageBreakToken>
|
||
</paragraph>
|
||
<paragraph pageId="33" pageNumber="34">
|
||
Ciliation: Short sensory cilia surround the oral opening (L 4
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
), with a number of also on the oral hood: 6 (L 14-17
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
) projecting directly or obliquely forward and 13-15 (L 7-14
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
) trailing to the rear; other cilia (L 10-18
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
) occur regularly along the lateral and dorsolateral body surfaces, numbering 12-13 each. Ventral locomotor ciliature forms a single field of transverse rows from TbA to behind the anus, lying between the TbVL columns; individual cilia are 5-6
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
in length.
|
||
</paragraph>
|
||
<paragraph pageId="33" pageNumber="34">
|
||
Digestive tract: Mouth subterminal, as broad as the fore end of the body (34
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
width); oral hood extends from U00 to U07; buccal cavity lightly cuticularized; pharynx of medium breadth throughout, with inconspicuous basal pores; intestine narrows gradually front to rear; anus is ventral at U88.
|
||
</paragraph>
|
||
<paragraph pageId="33" pageNumber="34">
|
||
Reproductive tract: Hermaphroditic, testis on right side as seen from above (left side as seen from below); vas deferens appears to open in front of the anus; developing ovum (up to 29
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
16
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
), appearing somewhat shrivled, occurs above the hindgut; caudal organ spherical (7
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
diameter); frontal organ oblong (20
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
14
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
) and hyaline, without active sperm, partly embedded in the rear of the ovum.
|
||
</paragraph>
|
||
<caption pageId="33" pageNumber="34">
|
||
<paragraph pageId="33" pageNumber="34">
|
||
Figure 16.
|
||
<taxonomicName family="Thaumastodermatidae" genus="Tetranchyroderma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tetranchyroderma xenodactylum" order="Macrodasyida" pageId="33" pageNumber="34" phylum="Gastrotricha" rank="species" species="xenodactylum">Tetranchyroderma xenodactylum</taxonomicName>
|
||
sp. n. A dorsal and ventral views of a mature adult (Lt=246, LPh=87
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
) from the Nabq, S. Sinai, Egypt; dorsal with pentancrous surface (over half of the body), dorsal and lateral body cilia, and TbDL; ventral with digestive and reproductive tracts, adhesive tubes, and the locomotor ciliary band B dorsal pentancre C the strange finger-like structure that protrudes laterally at the PhJIn; B. and C. with separate scale bars.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="33" pageNumber="34" type="ecology">
|
||
<paragraph pageId="33" pageNumber="34">Ecology:</paragraph>
|
||
<paragraph pageId="33" pageNumber="34">Sparse in frequency of occurrence (fewer than 10% of samples), scarce to numerous in abundance (3% to 20% of a sample, sometimes a sub-dominant [sdom]); littoral in fine, well sorted sand at low water spring in a shallow tombolo, 0-5 cm depth; sublittoral in fine to medium-fine, well to medium-well sorted sand at 1-5 m water depth.</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="33" pageNumber="34" type="geographical distribution">
|
||
<paragraph pageId="33" pageNumber="34">Geographical distribution:</paragraph>
|
||
<paragraph pageId="33" pageNumber="34">
|
||
RED SEA:EGYPT {Marsa Bareika W, ^Nabq [sdom] (
|
||
<geoCoordinate direction="north" orientation="latitude" precision="925" value="28.083334">28°05'N</geoCoordinate>
|
||
,
|
||
<geoCoordinate direction="east" orientation="longitude" precision="925" value="34.583332">34°35'E</geoCoordinate>
|
||
) [2-videos], Sharm el-Sheikh, Wadi 'Araba [video]}.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="33" pageNumber="34" type="remarks">
|
||
<paragraph pageId="33" pageNumber="34">Remarks:</paragraph>
|
||
<paragraph pageId="33" pageNumber="34">
|
||
There are three sequences of
|
||
<taxonomicName family="Thaumastodermatidae" genus="Tetranchyroderma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tetranchyroderma xenodactylum" order="Macrodasyida" pageId="33" pageNumber="34" phylum="Gastrotricha" rank="species" species="xenodactylum">Tetranchyroderma xenodactylum</taxonomicName>
|
||
sp. n., all from the upper Red Sea in Egypt. These three are available as MPEG 2 (and MPEG 1) from
|
||
<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>
|
||
: #1517 a mature adult of Lt=332
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(LPh=128
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
) from the Wadi 'Araba, on west side of the Gulf of Suez, Egypt; #1514 a mature Lectotype adult of Lt=246
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(LPh=91
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
), collected in July 1994 from Nabq, S. Sinai, Egypt; and #1515 a mature adult of Lt=197
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
(LPh=79
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
) also from Nabq.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="33" pageNumber="34" type="etymology">
|
||
<paragraph pageId="33" pageNumber="34">Etymology:</paragraph>
|
||
<paragraph pageId="33" pageNumber="34">
|
||
Xenodactylum (Greek: xenos + daktylos, meaning 'strange
|
||
<normalizedToken originalValue="finger’">finger'</normalizedToken>
|
||
) is named after the strange finger-like appendage that protrudes laterally in all specimens from the rear of the pharyngeal region.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="33" pageNumber="34" type="taxonomic affinities">
|
||
<paragraph pageId="33" pageNumber="34">Taxonomic affinities:</paragraph>
|
||
<paragraph pageId="33" pageNumber="34">
|
||
<taxonomicName family="Thaumastodermatidae" genus="Tetranchyroderma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tetranchyroderma xenodactylum" order="Macrodasyida" pageId="33" pageNumber="34" phylum="Gastrotricha" rank="species" species="xenodactylum">Tetranchyroderma xenodactylum</taxonomicName>
|
||
sp. n. is the only small species in the genus without pestle organs, tentacles or lobes, a PhJIn at U40-U35 and slightly curved pentancres, with tines of similar size, which also has TbA 4 per side, 1 medial and 3 lateral, TbVL 11 per side, 1 along the fore half of the pharynx at U14, 7 along the intestine at U39-U75, and 3 at and behind the anus at U88-U92; TbV 3 per side in a transverse row at U80; TbP 3 per side on the caudal pedicles, with the fused 'two fingers and a
|
||
<normalizedToken originalValue="thumb’">thumb'</normalizedToken>
|
||
typical of much of the family, supplemented by the last dorsal cirratum, with 2 additional tubes between the peduncles, TbL per se and TbD being absent. There is no other species in the genus, regardless of their ancres, that bears such a sub-cylindrical finger-like structure as is found at the base of the pharynx in
|
||
<taxonomicName family="Thaumastodermatidae" genus="Tetranchyroderma" higherTaxonomySource="CoL" kingdom="Animalia" lsidName="Tetranchyroderma xenodactylum" order="Macrodasyida" pageId="33" pageNumber="34" phylum="Gastrotricha" rank="species" species="xenodactylum">Tetranchyroderma xenodactylum</taxonomicName>
|
||
sp. n.
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |