A comparison of anterior adhesive areas and secretions in Troglocephalus rhinobatidis and Neoheterocotyle rhinobatidis (Monogenea : Monocotylidae) from the gills of the shovelnose ray, Rhinobatos typus (Rhinobatidae)

Cribb, B. W., Gould, R. J. and Whittington, I. D. (2001) A comparison of anterior adhesive areas and secretions in Troglocephalus rhinobatidis and Neoheterocotyle rhinobatidis (Monogenea : Monocotylidae) from the gills of the shovelnose ray, Rhinobatos typus (Rhinobatidae). Australian Journal of Zoology, 49 5: 577-587.


Author Cribb, B. W.
Gould, R. J.
Whittington, I. D.
Title A comparison of anterior adhesive areas and secretions in Troglocephalus rhinobatidis and Neoheterocotyle rhinobatidis (Monogenea : Monocotylidae) from the gills of the shovelnose ray, Rhinobatos typus (Rhinobatidae)
Journal name Australian Journal of Zoology   Check publisher's open access policy
Publication date 2001
Sub-type Article
DOI 10.1071/ZO01028
Volume number 49
Issue number 5
ISSN 0004-959X
Start page 577
End page 587
Total pages 11
Place of publication Collingwood
Publisher C S I R O Publishing
Collection year 2001
Language eng
Subject C1
300508 Parasitology
780105 Biological sciences
0608 Zoology
Abstract This study continues the collection of data on the anterior adhesive areas and secretions of monopisthocotylean monogenean (flatworm) parasites and begins an investigation of their phylogenetic usefulness. Here, two species of parasitic worms from an elasmobranch, Troglocephalus rhinobatidis (Monocotylidae: Dasybatotreminae) and Neoheterocotyle rhinobatidis (Monocotylidae: Heterocotylinae), are compared and contrasted. It has been suggested in recent literature that these two taxa are more closely related than is currently recognised. Our data support this view. Both species have multiple apertures on the ventral anterior margin through which adhesive is secreted. Two types of secretion exit from multiple adjacent duct endings terminating in each aperture: rod-shaped (S1) and spherical-shaped (S2) bodies. S1 bodies of both species show nano-banding of similar size and are membrane bound. Ultrastructure of the glands, ducts, duct endings and secreted adhesive is similar for both species, but aperture shape differs. Away from the adhesive areas, tegumental inclusions are found to differ between the two species and another, apparently non-adhesive, secretion is found in N. rhinobatidis.
Keyword Zoology
Himantura Fai Dasyatididae
Great-barrier-reef
Heron-island
Ultrastructure
Platyhelminthes
Glands
Skin
Australia
Larvae
Cells
Q-Index Code C1

Document type: Journal Article
Sub-type: Article
Collections: Centre for Microscopy and Microanalysis Publications
Ecology Centre Publications
 
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