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Trichostrongyloid nematodes and their vertebrate hosts: reconstruction of the phylogeny of a parasitic group.
This chapter introduces trichostrongyloid nematodes as a model for discussing the reconstruction of the phylogeny of a parasitic group and presents a phylogenetic tree of the TrichostRongyloidea.
A cladistic analysis of the Trichostrongyloidea (Nematoda).
The hypotheses relating to the evolutionary history of the Trichostrongyloidea are: the origin of the superfamily could have occurred during the upper Cretaceous period, and the two most ancient sub-families would be of Gwondwanan origin and evolved during the Paleocene period within Neotropical aquatic birds and within the Australian marsupials.
[A new classification of Trichostrongyloidea nematodes (author's transl)].
It is believed that two families, Amidostomatidae and Strongylacanthidae evolved from ancestors close to the Ancylostomatoïdea, and the principal evolution of the group seems to have occurred during the Secondary Era in Gondwanaland.
The origins and evolutionary expansion of the Strongylida (Nematoda).
Much progress is indicated in understanding of the phylogeny of the Strongylida, but the review reveals that enormous gaps still exist, and emphasises the tentative nature of many of the evolutionary hypotheses tendered to date.
Geography and host biogeography matter for understanding the phylogeography of a parasite.
Differences in regional abundances of A. sylvaticus and A. flavicollis are suggested to be responsible for generating a pattern of regional co-differentiation in parasitic nematode lineages in SW Europe and the Middle East.
Phylogeny of the Trichostrongylina (Nematoda) inferred from 28S rDNA sequences.
A molecular phylogeny of species within the order Strongylida (bursate nematodes) using the D1 and D2 domains of 28S rDNA, with 23 new sequences for each domain is produced, with no unequivocal morphological synapomorphy found for the grouping Molineoidea + Heligmosomoidea, but none was found which contradicted it.
Development of Graphidium strigosum (Nematoda, Haemonchidae) in its natural host, the rabbit (Oryctolagus cuniculus) and comparison with several Haemonchidae parasites of ruminants
The morphogenesis and the chronology of the life cycle of Graphidium strigosum (Dujardin, 1845) were studied in detail in its natural host, Oryctolagus cuniculus, and its morphogenesis was compared to those of different Haemonchidae parasites of ruminants in their natural hosts.
Description of Haemonchus placei (Place, 1893) (Nematoda, Trichostrongylidae, Haemonchinae), identification and intra-specific morphologic variability.
Female as well as male Haemonchus placei from New World (Argentina, Mexico, USA) are morphologically different from those of Old World (Africa: Burkina-Faso, Mauritania and Ivory Coast) or Australia, possibly due to local evolution since their introduction several centuries ago from Africa or India.
A cladistic analysis of the genera in the subfamily Pudicinae (Nematoda, Trichostrongyloidea, Heligmonellidae).
A parsimony analysis was performed on 37 specific taxa belonging to the subfamily Pudicinae (family Heligmonellidae), which contains parasites mainly from South American caviomorph rodents, and five genera are defined on the basis of synapomorphies.
[Nematodirinae (Nematoda) from Ruminants and from lagomorpha. (author's transl)].
  • M. Durette-Desset
  • Biology, Medicine
    Annales de parasitologie humaine et comparee
  • 1 May 1979
A dichotomic key of the six genera of Nematodirinae is proposed and an hypertrophy of the dorsal crests which leads at the end of the evolution, to a dextral coiling, the back of the animal being inside the spire: such a position appears unique in the superfamily.