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Phylogenetic analysis based on 18S ribosomal RNA gene sequences supports the existence of class polyacanthocephala (acanthocephala).
TLDR
Phylogenetic relationships inferred by maximum-likelihood and maximum-parsimony analyses showed Archiacanthocephala as the most basal group within the phylum, whereas classes PolyacanthoCEphala + Eoacanthi + Ei formed a monophyletic clade, with Palaeacanthospecifics as its sister group. Expand
Phylogenetic relationship among genera of Polymorphidae (Acanthocephala), inferred from nuclear and mitochondrial gene sequences.
TLDR
It is observed that aquatic birds were the ancestral definitive hosts for the family with a secondary colonization and diversification to marine mammals and that amphipods were ancestral intermediate hosts and that the association with decapods represent episodes of secondary colonization that arose several times during the evolutionary history of the family. Expand
STATUS OF CORYNOSOMA (ACANTHOCEPHALA: POLYMORPHIDAE) BASED ON ANATOMICAL, ECOLOGICAL, AND PHYLOGENETIC EVIDENCE, WITH THE ERECTION OF PSEUDOCORYNOSOMA N. GEN
The possession of genital spines has been considered as a key taxonomic trait to differentiate Corynosoma from other genera of the Polymorphidae. However, Corynosoma currently consists of 2 groups ofExpand
Filling the gaps in the classification of the Digenea Carus, 1863: systematic position of the Proterodiplostomidae Dubois, 1936 within the superfamily Diplostomoidea Poirier, 1886, inferred from
TLDR
The phylogenetic position of the family Proterodiplostomidae Dubois, 1936 was tested based on partial 28S r DNA and complete 18S rDNA sequences for Crocodilicola pseudostoma, a crocodile parasite that has been found as a progenetic metacercaria parasitising the pale catfish Rhamdia guatemalensis in Mexico and in other siluruforms in the Neotropics. Expand
Trematode diversity in freshwater fishes of the Globe II: ‘New World’
TLDR
A better understanding of trematode diversity and biology will also depend on strategic sampling throughout the Americas, as well as the paucity of known life-cycles. Expand
Adult Endohelminth Parasites of Ictalurid Fishes (Osteichthyes: Ictaluridae) in Mexico: Empirical Evidence for Biogeographical Patterns
TLDR
The helminth fauna of Mexican ictalurids is investigated through original surveys and published literature in order to evaluate the biogeography of host-parasite associations of a primarily nearctic host group in a major faunal transition area, finding that the phylogenetic affinities of the icts do not appear to be with any neotropical siluriform. Expand
Systematic Position of Pseudocorynosoma and Andracantha (Acanthocephala, Polymorphidae) Based on Nuclear and Mitochondrial Gene Sequences
TLDR
Pseudocorynosoma and Andracantha were the ancestral hosts of polymorphids and the association of Corynosoma with marine mammals represents a subsequent episode of colonization, according to phylogenetic hypotheses. Expand
Phylogenetic analysis of the Bunocotylinae dollfus, 1950 (Digenea: Hemiuridae).
TLDR
Optimization of hosts and geographic distribution onto the 2 most parsimonious trees suggests that the bunocotylines originated from an ancestor that was host specific to fishes of the Clupeidae and was distributed in the Tethys Sea. Expand
MOLECULAR PHYLOGENY OF CORYNOSOMA LÜHE, 1904 (ACANTHOCEPHALA), BASED ON 5.8S AND INTERNAL TRANSCRIBED SPACER SEQUENCES
TLDR
Maximum parsimony and likelihood analyses indicated that species of Corynosoma that inhabit hosts in the marine environment form a monophyletic assemblage, but yielded conflicting hypotheses for the relationship of Corynsoma cetaceum to other members of the genus. Expand
Integrative taxonomy identifies a new species of Phyllodistomum (Digenea: Gorgoderidae) from the twospot livebearer, Heterandria bimaculata (Teleostei: Poeciliidae), in Central Veracruz, Mexico
TLDR
Comparison of about 1,500–2,200 nucleotides of cox1 and 28S rDNA and ITS1 strongly supports the status of P. inecoli as a new species and Bayesian inference analysis of combined datasets of 28SRDNA and coX1 sequences showed that P.Inecoli n. Expand
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