241 results on '"de León, Gerardo Pérez-Ponce"'
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2. A New Species of Creptotrematina (Trematoda: Allocreadiidae) from the Red Minor Tetra, Hyphessobrycon eques (Steindachner, 1882) (Characidae) from Brazil, with Comments on the Genetic Divergence of C. Aguirrepequenoi Jiménez-Guzmán, 1973 across a Wide Geographical Range in Middle America
3. UNRAVELING FISH-PARASITE INTERACTIONS THROUGHOUT MEXICO OVER AN 85-YEAR PERIOD
4. Metazoan parasites of the Ocellated killifish, Floridichthys polyommus (Cyprinodontidae) in La Carbonera coastal lagoon, Yucatán, Mexico
5. Parasites (Monogenea) of tilapias Oreochromis niloticus and Coptodon rendalli (Cichlidae) in a river spring in Brazil
6. BATRACHOLANDROS SALAMANDRAE (OXYUROIDEA: PHARYNGODONIDAE) IN ENDEMIC SALAMANDERS (AMPHIBIA: PLETHODONTIDAE) OF THE TRANS-MEXICAN VOLCANIC BELT : HOST RANGE WIDE DISTRIBUTION OR CRYPTIC SPECIES COMPLEX?
7. MOLECULAR AND MORPHOLOGICAL ELUCIDATION OF THE LIFE CYCLE OF THE FROG TREMATODE LANGERONIA MACROCIRRA (DIGENEA: PLEUROGENIDAE) IN LOS TUXTLAS, VERACRUZ, MEXICO
8. Molecular data reveal hidden diversity of the genus Clinostomum (Digenea, Clinostomidae) in Argentina, with the description of a new species from Ardea cocoi (Ardeidae)
9. ASSESSING THE TAXONOMIC VALIDITY OF AUSTRODIPLOSTOMUM SPP. (DIGENEA : DIPLOSTOMIDAE) THROUGH NUCLEAR AND MITOCHONDRIAL DATA
10. PHYLOGENETIC POSITION OF PSEUDOSELLACOTYLA LUTZI (FREITAS, 1941) (DIGENEA : CRYPTOGONIMIDAE), A PARASITE OF HOPLIAS MALABARICUS (BLOCH) IN SOUTH AMERICA, THROUGH 28S rDNA SEQUENCES, AND NEW OBSERVATIONS OF THE ULTRASTRUCTURE OF THEIR TEGUMENT
11. Integrative taxonomy reveals a new species of Dollfusentis (Acanthocephala: Illiosentidae), in Orthopristis ruber (Osteichthyes: Haemulidae) from Rio de Janeiro, Brazil
12. Molecular and morphological characterization of the metacercariae of two species of diplostomid trematodes (Platyhelminthes, Digenea) in freshwater fishes of the Batalha River, Brazil
13. Exploring the genetic diversity of Tylodelphys (Diesing, 1850) metacercariae in the cranial and body cavities of Mexican freshwater fishes using nuclear and mitochondrial DNA sequences, with the description of a new species
14. Human Impacts on Drainages of the Mesa Central, Mexico, and Its Genetic Effects on an Endangered Fish, Zoogoneticus quitzeoensis
15. Using Ecological-Niche Modeling as a Conservation Tool for Freshwater Species: Live-Bearing Fishes in Central Mexico
16. Historical Biogeography of Some River Basins in Central Mexico Evidenced by Their Goodeine Freshwater Fishes: A Preliminary Hypothesis Using Secondary Brooks Parsimony Analysis
17. Molecular Phylogeny of Corynosoma Lühe, 1904 (Acanthocephala), Based on 5.8S and Internal Transcribed Spacer Sequences
18. Biogeography of Helminth Parasites of Freshwater Fishes in Mexico: The Search for Patterns and Processes
19. HELMINTH FAUNA ASSOCIATED WITH THREE NEOTROPICAL BAT SPECIES (CHIROPTERA: MORMOOPIDAE) IN VERACRUZ, MÉXICO
20. Taxonomic Status of Choanoscolex lamothei García-Prieto, 1990 (Cestoda: Proteocephalidea) Using Morphological and Molecular Evidence
21. Species Richness of Helminth Parasites in Mexican Amphibians and Reptiles
22. Helminth Infracommunity Structure of the Sympatric Garter Snakes Thamnophis eques and Thamnophis melanogaster from the Mesa Central of Mexico
23. Spinitectus osorioi n. sp. (Nematoda: Cystidicolidae) from Chirostoma spp. (Osteichthyes: Atherinidae) in Lake Pátzcuaro, Michoacán, México
24. Vexillata liomyos n. sp. (Nemata: Ornithostrongylidae) from Liomys pictus (Rodentia: Heteromyidae) from Mexico, with Comments on the Synlophe of Vexillata armandae
25. Phylogenetic Relationships among Species of Stilestrongylus Freitas, Lent and Almeida, 1937 (Trichostrongyloidea: Heligmonellidae: Nippostrongylinae), Parasites of Myomorph Rodents (Rodentia: Muridae) in the Neotropics
26. A New Species of Sprostoniella Bychowsky and Nagibina, 1967 (Monogenea: Capsalidae) from Chaetodipterus zonatus (Osteichthyes: Ephippidae) in Chamela Bay, Mexico
27. Differentiation of Mexican Species of Haematoloechus Looss, 1899 (Digenea: Plagiorchiformes): Molecular and Morphological Evidence
28. Phylogenetic Analysis of the Bunocotylinae Dollfus, 1950 (Digenea: Hemiuridae)
29. Koronacantha pectinaria n. comb. (Acanthocephala: Illiosentidae) from Microlepidotus brevipinnis (Haemulidae) and Redescription of Tegorhynchus brevis
30. Proteocephalus brooksi n. sp. (Cestoda: Proteocephalidae) in the Neotropical Freshwater Fish Rhamdia guatemalensis (Siluriformes: Pimelodidae) from Lake Catemaco, Veracruz, Mexico
31. Phylogenetic Analysis of Opisthadena (Digenea: Hemiuridae)
32. PHYLOGENETIC ANALYSIS USING THE 28S rRNA GENE REVEALS THAT THE GENUS PARACREPTOTREMA (DIGENEA: ALLOCREADIIDAE) IS NOT MONOPHYLETIC; DESCRIPTION OF TWO NEW GENERA AND ONE NEW SPECIES
33. HELMINTH COMMUNITIES OF CYPRINODON ATRORUS IN THE NATURAL PROTECTED AREA OF CUATRO CIÉNEGAS, COAHUILA, NORTHERN MEXICO
34. ACCEPTANCE OF THE 2014 CLARK P. READ MENTOR AWARD: CHALLENGES OF MENTORING PARASITOLOGISTS IN THE TROPICS
35. Multi-locus phylogeny and species delimitation in the catfish genus Ictalurus Rafinesque, 1820 (Actinopterygii, Siluriformes)
36. Margotrema guillerminae n. sp. (Trematoda: Macroderoididae) from Two Species of Freshwater Fishes in Lake Zacapu, Michoacan State, Mexico, and New Records of Margotrema bravoae Lamothe, 1970
37. Testing the Systematic Position and Relationships of Paracreptotrema heterandriae Within the Allocreadiidae Through Partial 28s rRNA Gene Sequences
38. A NEW SPECIES OF AURICULOSTOMA (DIGENEA: ALLOCREADIIDAE) IN THE MEXICAN TETRA ASTYANAX MEXICANUS (ACTINOPTERYGII: CHARACIDAE) FROM CENTRAL VERACRUZ, MEXICO, DESCRIBED WITH THE USE OF MORPHOLOGICAL AND MOLECULAR DATA
39. HELMINTH PARASITES OF PSEUDACRIS HYPOCHONDRIACA (ANURA: HYLIDAE) FROM BAJA CALIFORNIA, MEXICO, WITH THE DESCRIPTION OF TWO NEW SPECIES OF NEMATODES
40. DISCORDANT GENETIC DIVERSITY AND GEOGRAPHIC PATTERNS BETWEEN CRASSICUTIS CICHLASOMAE (DIGENEA: APOCREADIIDAE) AND ITS CICHLID HOST, "CICHLASOMA" UROPHTHALMUS (OSTEICHTHYES: CICHLIDAE), IN MIDDLE-AMERICA
41. Phyllodistomum spinopapillatum sp. nov. (Digenea: Gorgoderidae), from the Oaxaca killifish Profundulus balsanus (Osteichthyes: Profundulidae) in Mexico, with new host and locality records of P. inecoli: Morphology, ultrastructure and molecular evidence
42. HELMINTH PARASITES OF THE BLUE-FOOTED BOOBY ON ISLA ISABEL, MÉXICO
43. Patterns of Host Specificity Among the Helminth Parasite Fauna of Freshwater Siluriforms: Testing the Biogeographical Core Parasite Fauna Hypothesis
44. ERECTION OF IBIRHYNCHUS GEN. NOV. (ACANTHOCEPHALA: POLYMORPHIDAE), BASED ON MOLECULAR AND MORPHOLOGICAL DATA
45. What We Don't Recognize Can Hurt Us: A Plea for Awareness About Cryptic Species
46. Detecting a Complex of Cryptic Species within Neoechinorhynchus golvani (Acanthocephala: Neoechinorhynchidae) Inferred from ITSs and LSU rDNA Gene Sequences
47. Helminth Parasites of Xenotaenia resolanae (Osteichthyes: Cyprinodontiformes: Goodeidae) from the Cuzalapa Hydrological System, Jalisco, Mexico
48. Systematic Position of Pseudocorynosoma and Andracantha (Acanthocephala, Polymorphidae) Based on Nuclear and Mitochondrial Gene Sequences
49. A New Cryptogonimid (Digenea) from the Mayan Cichlid, Cichlasoma urophthalmus (Osteichthyes: Cichlidae), in Several Localities of the Yucatán Peninsula, Mexico
50. Description of a New Species of Crassicutis Manter, 1936, Parasite of Cichlasoma beani Jordan (Osteichthyes: Cichlidae) in Mexico, Based on Morphology and Sequences of the ITS1 and 28S Ribosomal RNA Genes
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