Abstract
We present a phylogeny of the Neotropical genus Engystomops (= Physalaemus pustulosus species group) based on sequences of approximately 2.4 kb of mtDNA, (12S rRNA, valine-tRNA, and 16S rRNA) and propose a phylogenetic nomenclature. The phylogeny includes all described taxa and two unnamed species. All analyses indicate that Engystomops is monophyletic and contains two basal allopatric clades. Clade I (Edentulus) includes E. pustulosus and the Amazonian E. petersi + E. cf. freibergi. Clade II (Duovox) includes all species distributed in W Ecuador and NW Peru. Brevivox, a clade of small-sized species is strongly supported within Duovox. Populations of Engystomops pustulosus fall into two well-supported clades, each of which occupies two disjunct portions of the species range. Overall, our phylogeny is congruent with most previous hypotheses. This study is among the few published species-level phylogenies of Neotropical amphibians derived from molecular datasets. A review of the proportion of new species detected by similar studies suggests that the increasing use of molecular techniques will lead to the discovery of a vast number of species of Neotropical amphibians.
Publication types
-
Research Support, Non-U.S. Gov't
-
Research Support, U.S. Gov't, Non-P.H.S.
MeSH terms
-
Animals
-
Anura / classification
-
Anura / genetics*
-
DNA, Mitochondrial / chemistry
-
DNA, Mitochondrial / genetics*
-
Ecuador
-
Geography
-
Models, Genetic
-
Molecular Sequence Data
-
Peru
-
Phylogeny*
-
RNA, Ribosomal / genetics
-
RNA, Ribosomal, 16S / genetics
-
RNA, Transfer, Val / genetics
-
Sequence Analysis, DNA
Substances
-
DNA, Mitochondrial
-
RNA, Ribosomal
-
RNA, Ribosomal, 16S
-
RNA, Transfer, Val
-
RNA, ribosomal, 12S
Associated data
-
GENBANK/DQ337208
-
GENBANK/DQ337209
-
GENBANK/DQ337210
-
GENBANK/DQ337211
-
GENBANK/DQ337212
-
GENBANK/DQ337213
-
GENBANK/DQ337214
-
GENBANK/DQ337215
-
GENBANK/DQ337216
-
GENBANK/DQ337217
-
GENBANK/DQ337218
-
GENBANK/DQ337219
-
GENBANK/DQ337220
-
GENBANK/DQ337221
-
GENBANK/DQ337222
-
GENBANK/DQ337223
-
GENBANK/DQ337224
-
GENBANK/DQ337225
-
GENBANK/DQ337226
-
GENBANK/DQ337227
-
GENBANK/DQ337228
-
GENBANK/DQ337229
-
GENBANK/DQ337230
-
GENBANK/DQ337231
-
GENBANK/DQ337232
-
GENBANK/DQ337233
-
GENBANK/DQ337234
-
GENBANK/DQ337235
-
GENBANK/DQ337236
-
GENBANK/DQ337237
-
GENBANK/DQ337238
-
GENBANK/DQ337239
-
GENBANK/DQ337240
-
GENBANK/DQ337241
-
GENBANK/DQ337242
-
GENBANK/DQ337243
-
GENBANK/DQ337244
-
GENBANK/DQ337245
-
GENBANK/DQ337246
-
GENBANK/DQ337247
-
GENBANK/DQ337248
-
GENBANK/DQ337249