| the new world filarial genus molinema freitas & lent, 1939 (nematoda: onchocercidae), with a description of four new species parasitic in the echimyidae (rodentia). | four new species of molinema (filarioidea: onchocercidae), parasites of echimyid rodents in south america, are described: m. algardneri n. sp. from proechimys amphichoricus, m. barbarae n. sp. from p. cayennensis, both in venezuela (rio negro and cerro la neblina, respectively), m. peruviensis n. sp. from p. steerei in peru (lower urubamba), and m. nattereri n. sp. (= filaria diacantha molin, 1858 pro parte) from echimys ? didelphoides (= loncheres rufa) in brazil (matto grosso). they differ fro ... | 2001 | 11302616 |
| amazonian phylogeography: mtdna sequence variation in arboreal echimyid rodents (caviomorpha). | patterns of evolutionary relationships among haplotype clades of sequences of the mitochondrial cytochrome b dna gene are examined for five genera of arboreal rodents of the caviomorph family echimyidae from the amazon basin. data are available for 798 bp of sequence from a total of 24 separate localities in peru, venezuela, bolivia, and brazil for mesomys, isothrix, makalata, dactylomys, and echimys. sequence divergence, corrected for multiple hits, is extensive, ranging from less than 1% for c ... | 1993 | 8136924 |