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On Some Gastrocotyline (Monogenoidean) Parasites of Indian Clupeoid Fishes, Including Three New Genera

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Title:On Some Gastrocotyline (Monogenoidean) Parasites of Indian Clupeoid Fishes, Including Three New Genera
Authors:Unnithan, R.V.
Date Issued:Apr 1967
Publisher:University of Hawai'i Press
Citation:Unnithan RV. 1967. On some gastrocotyline (monogenoidean) parasites of Indian clupeoid fishes, including three new genera. Pac Sci 21(2): 210-229.
Abstract:Seven species of monogenetic trematodes, including the two genotypes,
Engraulicola forcepopenis George, 1961 and Engrauliscobina thrissocles
(Tripathi, 1959), are recorded. All seven of these atypical gastrocotylines belong
to the subfamily Gastrocotylinae s.s. and are parasitic on clupeoid fishes. Four
species in the present collection, viz., Engraulicola microph aryngella sp. n.,
Engraulixenus malabaricus gen. et sp. n., Engrauliphila grex gen. et sp. n., and
Engrauliscobina triaptella sp. n., were collected from fishes of the family Engraulidae,
while an entirely new type, Pellonicola elongata gen. et sp. n., was
obtained from Clupeidae. The tendency to unilateral inhibition of the clamp rows
is incomplete in all these atypical gastrocotylines, and all are characterised primarily
by their clamp structure. Diagnostic characters, with special reference to the haptor
(its adhesive units or clamps and anchors), the male terminalia, vaginal complex,
and other salient features which appear to be taxonomically important, are given
for each species.
Appears in Collections: Pacific Science Volume 21, Number 2, 1967

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