Occurrence of Eutrichophilus mexicanus (Rudow, 1866) and Eutrichophilus lobatus (Ewing, 1936) (Phthiraptera: Trichodectidae) on Sphiggurus villosus (Cuvier, 1825) (Rodentia: Erethizontidae) in Rio de Janeiro, Brazil. Entomologia y Vectores 8(1): 133-137, 2001
The karyotype of Sphiggurus villosus (Rodentia: Erethizontidae) from Brazil. Studies on Neotropical Fauna and Environment 35(2): 81-83, 2000
Occurrence of Eutrichophilus mexicanus Rudow, 1866 and Eutrichophilus lobatus Ewing, 1936 Phthiraptera Trichodectidae on Sphiggurus villosus Cuvier, 1825 Rodentia Erethizontidae in Rio de Janeiro Ocorrencia de Eutrichophilus mexicanus Rudow, 1866 e Eutrichophilus lobatus Ewing, 1936 Phthiraptera Trichodectidae em Sphiggurus villosus Cuvier, 1825 Rodentia Erethizontidae no Rio de Janeiro, Brasil. Entomologia y Vectores. janeiro-fevereiro-marco; 81: 133-137, 2001
Sphiggurus vestitus pruinosus mammalia rodentia erethizontidae the karyotype and its phylogenetic implications descriptive notes. Studies on Neotropical Fauna and Environment 26(4): 237-241, 1991
Causes and consequences of change rates in the habitat of the threatened tropical porcupine, Sphiggurus mexicanus (Rodentia: Erethizontidae) in Oaxaca, Mexico: implications for its conservation. Revista de Biologia Tropical 62(4): 1481-1494, 2014
The karyotype of Sphiggurus villosus from Brazil. Studies on Neotropical Fauna and Environment 35(2): 81-83, 2000
A contribution to the taxonomy and distribution of the porcupines Rodentia Erethizontidae of Colombia Aporte sobre la taxonomia y distribucion de los puercoespines Rodentia Erethizontidae en Colombia. Revista de la Academia Colombiana de Ciencias Exactas Fisicas y Naturales 23: 595-612 (Suplemento Especial), 2000
A new species of porcupine, genus Coendou (Rodentia: Erethizontidae) from the Atlantic forest of northeastern Brazil. Zootaxa 3636: 421-438, 2013
The evolution of the molar pattern of the Erethizontidae Rodentia, Hystricognathi and the validity of Parasteiromys Ameghino, 1904. Palaeovertebrata 28(1): 53-73, 1999
Mielografia em ourio-cacheiro (Sphiggurus villosus). Arquivo Brasileiro de Medicina Veterinaria e Zootecnia 64(1): 63-66, 2012
Amblyomma longirostre Koch, 1844, parasite of Sphiggurus insidiosus Cuvier, 1825 Amblyomma longirostre Koch, 1844, parasita de Sphiggurus insidiosus Cuvier, 1825. Entomologia y Vectores. julho-agosto; 64: 455-459, 1999
Description of the syncranium of Coendou prehensilis Erethizontidae and comparison with Proechimys guyannensis guyannensis Echimyidae Rodentia, Caviomorpha Descricao do sincranio de Coendou prehensilis Erethizontidae e comparacao com Proechimys guyannensis guyannensis Echimyidae Rodentia, Caviomorpha. Boletim do Museu Paraense Emilio Goeldi Serie Zoologia 132: 95-189, 1999
A new species of Echimys Cuvier, 1809 Rodentia, Echimyidae from Brazil. Papeis Avulsos de Zoologia (Sao Paulo): 455: 51-60, 2005
Presence of Speothos venaticus Carnivora Canidae in west Ecuador and a new record of Coendou rufescens Rodentia Erethizontidae in Ecuador Presencia de Speothos venaticus Carnivora Canidae en el Ecuador occidental y nuevo registro de Coendou rufescens Rodentia Erethizontidae en el Ecuador. Politecnica Biologia. Agosto; 5: 11-17, 2004
Amblyomma longirostre Koch, 1844, parasite of Sphiggurus insidiosus Cuvier, 1825. Entomologia y Vectores 6(4): 455-459, 1999