Hemipristicola gunterae gen. n., sp n. (Cestoda: Tetraphyllidea: Phyllobothriidae) from the snaggletooth shark, Hemipristis elongata (Carcharhiniformes: Hemigaleidae), from Moreton Bay, Australia

Cutmore, Scott C., Theiss, Susan M., Bennett, Michael B. and Cribb, Thomas H. (2011) Hemipristicola gunterae gen. n., sp n. (Cestoda: Tetraphyllidea: Phyllobothriidae) from the snaggletooth shark, Hemipristis elongata (Carcharhiniformes: Hemigaleidae), from Moreton Bay, Australia. Folia Parasitologica, 58 3: 187-196.

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Author Cutmore, Scott C.
Theiss, Susan M.
Bennett, Michael B.
Cribb, Thomas H.
Title Hemipristicola gunterae gen. n., sp n. (Cestoda: Tetraphyllidea: Phyllobothriidae) from the snaggletooth shark, Hemipristis elongata (Carcharhiniformes: Hemigaleidae), from Moreton Bay, Australia
Formatted title
Hemipristicola gunterae gen. n., sp n. (Cestoda: Tetraphyllidea: Phyllobothriidae) from the snaggletooth shark, Hemipristis elongata (Carcharhiniformes: Hemigaleidae), from Moreton Bay, Australia
Journal name Folia Parasitologica   Check publisher's open access policy
ISSN 0015-5683
1803-6465
Publication date 2011-09-01
Sub-type Article (original research)
Open Access Status Not Open Access
Volume 58
Issue 3
Start page 187
End page 196
Total pages 10
Place of publication Ceske Budejovice, Czech Republic
Publisher Akademie Ved Ceske Republiky
Language eng
Formatted abstract
Helminthological examination of the snaggletooth shark, Hemipristis elongata (Klunzinger) (Carcharhiniformes: Hemigaleidae),
from Moreton Bay, Queensland, Australia, yielded a phyllobothriid genus and species previously unknown to science.
Hemipristicola gunterae gen. n., sp. n. is described here, and is placed in the subfamily Phyllobothriinae Braun, 1900. Of the other
phyllobothriid genera, the new genus most closely resembles Paraorygmatobothrium in that both genera possess bothridia with
a single loculus and apical sucker, post-vaginal testes and lateral vitellarium. Hemipristicola, however, differs from Paraorygmatobothrium
in the morphology of the proximal bothridial surface microthrix, possessing serrate gladiate spinitriches with marginal
serrations restricted to the distal half of the blade, and in the possession of a more extensive uterus, extending anteriorly from the
anterior margin of the ovary to well past the level of the cirrus-sac. The new genus also differs from Paraorygmatobothrium by
possessing testes that are more than one layer deep. Hemipristicola gunterae further differs from Paraorygmatobothrium species
found in hemigaleid sharks in possessing vitelline follicles arranged in two lateral bands that are restricted to the lateral margins of
the proglottid and not possessing a cephalic peduncle. Bayesian inference analysis of partial 28S rDNA data shows that H. gunterae
forms a sister taxon to species of Paraorygmatobothrium. These two genera were resolved with high posterior probability support
in the analysis. Hemipristicola gunterae is only the second phyllobothriid species to be described from Hemipristis elongata from
Australian waters, and the fourth from the Australian hemigaleids.
Keyword Tetraphyllidea
Phyllobothriidae
Phyllobothriinae
Hemipristicola gunterae
Hemigaleidae
Hemipristis elongata
Australia
Moreton Bay
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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