The Life Cycle of Bunoderella metteri (Allocreadiidae: Bunoderinae), a Trematode Parasite of Ascaphus truei

Anderson, Glenn A.; Schell, Stewart C.; Pratt, Ivan

doi:10.2307/3276235

Cited by 7 publications

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“…The life cycle of A. fasciatusi is similar to that of other allocreadiid trematodes, namely A. isoporum (Looss, 1894;Dollfus, 1949); A. lobatum (DeGiusti, 1962); A. alloneotenicum (Wootton, 1957); A. ictaluri (Peters and Self, 1963); Crepidostomum farionis (Brown, 1927; Crawford, 1943), C. cooperi (Hopkins, 1934); C. comutum (Ameel, 1937); Bunodera luciopercae (Wisniewski, 1958;Cannon, 1971); B. sacculata (Cannon, 1971) and Bunoderella metteri (Anderson, Schell and Pratt, 1965). However, it differs from all these trematodes except A. ictaluri in that gastropods rather than bivalves are utilised as intermediate hosts.…”

Section: Discussionsupporting

confidence: 56%

Life history of Allocreadium fasciatusi Kakaji, 1969 (Trematoda: Allocreadiidae) from the freshwater fish Aplocheilus melastigma McClelland

Madhavi

1978

J. Helminthol.

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The life history of Allocreadium fasciatusi which occurs in the intestine of a freshwater fish Aplocheilus melastigma has been worked out in detail. The snail Amnicola travancorica acts as the first intermediate host. The miracidium hatching out from the eggs attacks the snail and passes through two generations of rediae. Cercariae are of ophthalmoxiphidiocercous type with very long tail and are identical to Cercariae Indicae XLIX Sewell, 1922. The cercariae penetrate and develop into metacercariae in the haemecoel of the copepods Mesocyclops leuckarti, Microcyclops varicans and Marcocyclops distructus. Upon ingestion by the definitive host, the metacercariae excyst and develop into adults. All the stages in the life cycle are described and the life cycle is compared with other allocreadiid life cycles. The original description of A. fasciatusi is revised and Psilostomum chilkai Chatterji, 1956 from Lates calcalifer is synonymized with it.

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Section: Discussionsupporting

confidence: 56%

Life history of Allocreadium fasciatusi Kakaji, 1969 (Trematoda: Allocreadiidae) from the freshwater fish Aplocheilus melastigma McClelland

Madhavi

1978

J. Helminthol.

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“…Looking at each group in turn we find: (i) a small ventral fin in deropristiids (cercaria of Deropristis inflata by Deblock, 1980); (ii) no dorsal, ventral or dorsoventral fin in lepocreadiids (Cable, 1963, p. 448); (iii) separate dorsal and ventral fins (cercariae of Anallocreadium armatum and Microcreadium parvum by Hopkins, 1937), or a single ventral fin (Cercaria caribbea LXVII Cable, 1963) in homalometrids; (iv) no fins of any sort in allocreadiids (Brown, 1927;Wootton, 1957;Anderson et al, 1965;Cable & Peters, 1986), note that Cannon (1971) spoke of 'dorsal and ventral tegumentary inflations that appear as fins.., in lateral view'; (v) a short dorsoventral fin in one species (Stunkard, 1961) of the acanthocolpid genus Stephanostomum Looss, 1899 but not in two others (Martin, 1939;K¢ie, 1978), which, however, have the plesiomorphic character stylet present suggesting that fins are derived characters in this family; (vi) no fins on the microcercous tails of troglotrematids; and (vii) among renicolids, fins are present in the rhodometopa group, but not in the group with a stylet, nor in the large assemblage of cercariae intermediate between these two groups (Pr6vot & Bartoli, 1978).…”

Section: Tail Appendagesmentioning

confidence: 99%

On the position of the digenean family Heronimidae: an inquiry into a cladistic classification of the Digenea

Pearson

1992

Syst Parasitol

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Brooks, O'Grady & Glen (1985b) placed the seemingly aberrant and highly derived family Heronimidae at the base of their cladogram of the Digenea. In the absence of arguments for the composition and polarity of the putative homologous series on which their cladogram is based, it was found necessary to consider in detail almost all of their character series. In the course of my analysis I (1) argue that the oral sucker is singular to the Digenea, and that the oral sucker is not synapomorphic nor the ventral sucker symplesiomorphic for the Digenea, but that early digeneans lacked both suckers, (2) reiterate that the amphistomate condition is secondary and has arisen more than once, and that the embryology of the excretory system proves it to be secondary in all cases, (3) offer support for Cable's view that the cercarial stylet is not of single origin, and (4) restate the argument that paramphistomes, microscaphidiids, and gyliauchenids have not an oral sucker but a pharynx. Brooks, Bandoni, Macdonald & O'Grady (1989) stated that the bifurcate gut is unambiguously a synapomorph of the Digenea, on the basis of their cladistic demonstration that Rugogaster with a bifurcate gut is a sister group to the rest of the Aspidobothria, which in turn is a sister group to the Digenea. Testing this in a new cladogram of the Aspidobothria constructed from Brooks et al. 's (1989) 15 characters (corrected, especially those of the ventral sucker, for which a new phylogeny is advanced), supplemented by an additional 23 characters, reveals Rugogaster as the derived form it appeared to be and aspidogastrids, with a single caecum, as sister group to the rest of the Aspidobothria.A new analysis of the characters produced an increase in homoplasy from 18% to 37%, showed 97 out of 212 characters invalid as used, these two resulting in a decrease in resolution from 82% to 32%, and resulted in changes in polarity in 20 of the 65 putative homologous series listed by Brooks et al. (1985b).The Heronimidae cannot be at the base of their cladogram as it has not three but 13 apomorphs, which is more than have the next three groups, the paramphistomiforms, echinostomatiforms and haploporiforms.Comparison of the Heronimidae with the Bivesiculidae in the light of 48 defensible plesiomorphs shows that the Bivesiculidae, which have 39 of the 48 characters, are more plesiomorphic than the Heronimidae, which have only 23.In conclusion, what remains of the data-base is insufficient to support their cladogram and classification. Better data from the flukes themselves are necessary for a sound cladistic analysis. 82 J.C. Pearson

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A Phylogeny of Life-cycle Patterns of the Digenea

1972

Advances in Parasitology

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The Life Cycle of Bunoderella metteri (Allocreadiidae: Bunoderinae), a Trematode Parasite of Ascaphus truei

Cited by 7 publications

References 0 publications

Life history of Allocreadium fasciatusi Kakaji, 1969 (Trematoda: Allocreadiidae) from the freshwater fish Aplocheilus melastigma McClelland

Life history of Allocreadium fasciatusi Kakaji, 1969 (Trematoda: Allocreadiidae) from the freshwater fish Aplocheilus melastigma McClelland

On the position of the digenean family Heronimidae: an inquiry into a cladistic classification of the Digenea

A Phylogeny of Life-cycle Patterns of the Digenea

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