Charcotus clavatum DattaGupta, 1981
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publication ID |
https://doi.org/ 10.5281/zenodo.5392733 |
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DOI |
https://doi.org/10.5281/zenodo.5469069 |
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persistent identifier |
https://treatment.plazi.org/id/039087B3-927D-433D-FC92-F4E0FCB2F9E5 |
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treatment provided by |
Marcus |
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scientific name |
Charcotus clavatum DattaGupta, 1981 |
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Charcotus clavatum DattaGupta, 1981 View in CoL ( Fig. 3D, E View FIG )
MATERIAL EXAMINED. — Porcupine Abyssal Plain, BENGAL 5, Discovery 231, stn 13368#52, 48°48.30’N, 16°25.97’W, 4839 m, 19.III.1998, 2.
DESCRIPTION
Colour of proboscis of preserved specimens is creamy white. Trunk grey in distended regions but light pink in contracted portions. Proboscis of larger specimen is 7 mm and rounded distally; lateral margins unite proximally forming funnel around mouth ( Fig. 3D View FIG ). Trunk is 66 mm in length and 12 mm across broadest part. Corresponding measurements of smaller specimen are 63 mm and 15 mm. Distal end of proboscis damaged in smaller specimen. Single gonopore located a few millimetres away from anterior end of trunk ( Fig. 3D View FIG ). Ventral setae absent. Papillae microscopic, more clearly discernible in contracted regions of body.
Internally, single gonoduct located on right side of nerve cord ( Fig. 3E View FIG ). Gonoduct distended at proximal and distal ends but constricted and tubular in middle region. Gonostome is terminal, gonostomal lip simple and round ( Fig. 3E View FIG ). Gut long and coiled, attached to body wall by thin mesenteric strands. Gut contents consist of fine sand not moulded into faecal pellets. Dorsal and neurointestinal vessels are long; neurointestinal vessel is single throughout. Anal vessels are two elongated tubes opening into cloacal bulb.
REMARKS
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.