Dendropsophinae Fitzinger, 1843,

Duellman, William E., Marion, Angela B. & Hedges, Blair, 2016, Phylogenetics, classification, and biogeography of the treefrogs (Amphibia: Anura: Arboranae), Zootaxa 4104 (1), pp. 1-109: 24

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Dendropsophinae Fitzinger, 1843


Subfamily Dendropsophinae Fitzinger, 1843 

Dendropsophini Fitzinger, 1843: 32  . Type genus: Dendropsophus Fitzinger, 1843  , by original designation.

Definition. Small to medium-sized primarily arboreal frogs; quadratojugal reduced or absent; reduction LTRF for 1 / 2 to 0/0 in larvae. Chromosome complement 2 n = 30 (except in Xenohyla  ).

Content. Two genera with 97 species.

Distribution. Tropical southern Mexico through Central America and tropical and subtropical South America, including Trinidad, southward to northern Argentina and Uruguay.

Etymology. The familial and generic names are derived from the Greek Dendron meaning tree and the Greek psophos meaning sound or noise. The name refers to the vocalizations of these frogs originating in trees.

Remarks. Dendropsophinae is the sister taxon of Pseudinae in the phylogenetic analysis of molecular data. The two subfamilies share no derived morphological characters. The analysis also shows that Xenohyla truncata (Izecksohn)  ( Fig. 9 AView FIGURE 9. A), an inhabitant of terrestrial bromeliads in the restinga of southeastern Brazil, is the sister species of Dendropsophus  ( Fig. 4View FIGURE 4). However, Xenohyla  has 2 n = 24 chromosomes ( Suárez et al. 2013), whereas all Dendropsophus  for which the chromosome number is known have 2 n = 30 chromosomes.

Our phylogenetic analysis includes only about half (49) of the 95 species of Dendropsophus  . Within the tree ( Fig. 4View FIGURE 4), four groups are strongly supported— D. marmoratus  Group (3 species; Fig. 9View FIGURE 9. A B), D. labialis  Group (3 species; Fig. 9View FIGURE 9. A C), D. leucophyllatus  Group (6 species; Fig. 9View FIGURE 9. A D) and D. parviceps  Group (4 species; Fig. 9View FIGURE 9. A E). These correspond approximately with the continuous reduction on larval mouthparts as shown by Duellman and Trueb (1983). The Central American ( D. microcephalus  , phlebodes  , sartori  , and robertmertensi  ; Fig. 9View FIGURE 9. A F) is weakly supported. Further recognition of distinct clades within the burdensomely large genus Dendropsophus  awaits rigorous analysis of molecular data for many more species.


Dendropsophinae Fitzinger, 1843

Duellman, William E., Marion, Angela B. & Hedges, Blair 2016


Fitzinger 1843