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Spermatozoa as phylogenetic characters for the Eucestoda.
  • J. Justine
  • Biology, Medicine
  • The Journal of parasitology
  • 1 April 1998
Spermatozoon ultrastructure and spermiogenesis in the Eucestoda is compared to that of other parasitic Platyhelminthes, with emphasis on structures of phylogenetic interest. Expand
Phylogeny of the orders of the Eucestoda (Cercomeromorphae) based on comparative morphology: historical perspectives and a new working hypothesis.
The MPT was found to be the most efficient hypothesis for describing character evolution and in specifying relationships among the orders when compared to those concepts that had been developed for the tapeworms over the past century. Expand
Phylogenetic relationships within the polyopisthocotylean monogeneans (Platyhelminthes) inferred from partial 28S rDNA sequences.
The polytomy between Gastrocotylinea, Discocoty linea and MicrocotylineA is partially resolved in this study for the first time: the Gastrocodlinea are the sister-group of an unresolved group including the MicrocotYlinea and Plectanocotylidae. Expand
Ultrastructure of the spermatozoon of the cestode Duthiersia fimbriata Diesing, 1854 (Pseudophyllidea, Diphyllobothriidae)
The spermatozoon of Duthiersia fimbriata Diesing, 1854 (collected from the varanid lizard Varanus niloticus Linnaeus, in Senegal) is described. The spermatozoon contains two parallel axonemes showingExpand
Phylogeny of the monopisthocotylea and Polyopisthocotylea (Platyhelminthes) inferred from 28S rDNA sequences.
Each of these families was found to be monophyletic and their monophyly was supported by high bootstrap values in neighbour joining and maximum parsimony, and within the Polyopisthocotylea, the polystomatids were the sister-group of all others. Expand
Phylogenetic analysis of the Monogenea and their relationships with Digenea and Eucestoda inferred from 28S rDNA sequences.
Phylogenetic analyses of the partial domain C1 and the full domains D1 and C2 from the 28S ribosomal RNA gene for 21 species from the Monogenea, Digenea, Cestoda, and, as the outgroup, Tricladida reveal major departures from prevailing theory. Expand
Phylogeny of the Megascolecidae and Crassiclitellata (Annelida, Oligochaeta): combined versus partitioned analysis using nuclear (28S) and mitochondrial (12S, 16S) rDNA
La congruence et le soutien de pouvoir combine soutiennent nos conclusions : la plupart des groupements ont ete bases sur des homoplasies, par exemple l'origine multiple des prostates racemeuses et de the meronephridie de « type Dichogastrinae ». Expand
Phylogeny of parasitic Platyhelminthes: a critical study of synapomorphies proposed on the basis of the ultrastructure of spermiogenesis and spermatozoa
A more precise definition of spermiogenesis, based on a detailed description, is proposed in this paper and avoids homoplasies and introduces convergences with several other groups of nonparasitic Platyhelminthes. Expand
Ultrastructural study of the spermatozoon of Heterolebes maculosus (Digenea, Opistholebetidae), a parasite of the porcupinefish Diodon hystrix (Pisces, Teleostei).
The similarity between the spermatozoon of the Opistholebetidae H. maculosus and Opecoelidae enables us to confirm that these two families are closely related. Expand
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. Expand