Dendropsophini | |
---|---|
Dendropsophus bifurcus | |
Pseudis bolbodactyla | |
Scientific classification | |
Domain: | Eukaryota |
Kingdom: | Animalia |
Phylum: | Chordata |
Class: | Amphibia |
Order: | Anura |
Family: | Hylidae |
Subfamily: | Hylinae |
Tribe: | Dendropsophini Fitzinger, 1843 |
Type genus | |
Dendropsophus Fitzinger, 1843 | |
Genera | |
9 genera (see text) | |
Synonyms | |
Dendropsophini is a tribe of small neotropical tree frogs in the subfamily Hylinae. They are distributed from southern Mexico, throughout Central America, and down South America (including Trinidad) to northern Argentina and Uruguay. Removed from the synonymy of Hylinae in 2016, [1] this taxon was formerly considered its own subfamily before being reclassified as a tribe. [2] As defined by Favovich et al. in 2005, the tribe Dendrosophini contains the members of three former subfamilies within the Hylidae prior to taxonomic rearrangement: Dendropsophinae, Pseudinae, and Scinaxinae. [3]
The following genera are included in the tribe Dendropsophini: [1] [3] [4] [5]
The tribe name comes from the Greek word dendron which means "tree" and psophos which means "sound" or "noise," referring to how some of these frogs are more easily heard from up in the trees than seen. They first evolved during the Eocene 39.1–50.8 Mya and diversifying during the early Oligocene 25.3–38.5 Mya. [1]
The sister taxon of the pseudines (formerly the subfamily Pseudinae) are the dendropsophines (containing only Dendropsophus and Xenohyla), splitting apart from them during early Oligocene 25.8–38.7 Mya. Dendropsophines remained tree frogs and diversified greatly, while Pseudine frogs transitioned to aquatic ecosystems. Scarthyla is the oldest and most hylid-like of the pseudines, originating in the central Amazon basin and being restricted to the Guiana region in modern times. Lysapsus and Pseudis diverged during the early Miocene 18.4–24.6 Mya and have since spread down to the Chaco region that is drier and less suited for most tree frogs. Scinaxine frogs evolved approximately 42.0–56.4 Mya during the Oligocene. The most primitive of the Scinaxine frogs is Sphaeorhynchus, which remained in the Atlantic Coastal Forest of Brazil while the other lineages evolved into Julianus in the southeast, Ololygon also in the Atlantic Coastal Forest, and Scinax in the Amazon Basin. [6]
There are only two dendropsophines. Xenohyla is confined to only coastal Brazil, while the range of Dendropsophus is much larger. Xenohyla has 2n=24 chromosomes while Dendropsophus has 2n=30 chromosomes. [1]
Pseudines are notable for because despite being tree frogs, they have convergently evolved with true frogs and have lost most of their tree dwelling traits, becoming semi-aquatic or aquatic. [7] Their name references this similarity, with Pseudis coming from the Greek ψεῦδος (pseudos) which means "false" or "pretending". This is evident in how the intercalary elements, which are the spaces in between a frog's digits, have become ossified in order to strengthen them and help them swim in the water more efficiently. Normally in tree frogs, these intercalary elements remain unossified in order to allow their hands and feet to be flexible. [6] [8] They also have a unique ligament cap that connects their knee to their pelvis that has not yet been seen in any other type of frog. [9] These frogs have a chromosome component of 2n = 24, the exceptions being Scarthyla goinorum with 2n = 22 and Pseudis cardosoi with 2n = 28. [10] In the wild they are preyed on by a variety of animals, including aquatic insects, spiders, and birds such as the buff-necked ibis and large-billed tern. [11]
The scinaxines are small to medium-sized frogs with pointy snouts, and often stowaway on products such as house plants and fruit. Because of this, two species of Scinax have been introduced outside of their native range, with Scinax quinquefasciatus on the Galapagos Islands [12] and Scinax ruber on St. Lucia, Martinique, and Puerto Rico. [13]
Hylidae is a wide-ranging family of frogs commonly referred to as "tree frogs and their allies". However, the hylids include a diversity of frog species, many of which do not live in trees, but are terrestrial or semiaquatic.
Scinax is a genus of frogs in the family Hylidae found in eastern and southern Mexico to Argentina and Uruguay, Trinidad and Tobago, and Saint Lucia. These are small to moderate-sized tree frogs, drably colored. Duellman and Wiens resurrected this genus in 1992. The name originates from the Greek word skinos, meaning quick or nimble.
Sphaenorhynchus is a genus of frogs in the family Hylidae. They are also known as lime treefrogs or hatchet-faced treefrogs. They are found in the Amazon and Orinoco River basins of South America, the Guianas, Trinidad, and southern and eastern Brazil. The majority of the species are associated with the Atlantic Forest domain in Brazil.
Pseudis is a genus of South American frogs in the family Hylidae. They are often common and frequently heard, but easily overlooked because of their camouflage and lifestyle, living in lakes, ponds, marshes and similar waters with extensive aquatic vegetation, often sitting at the surface among plants or on floating plants, but rapidly diving if disturbed. Whereas the adults are medium-sized frogs, their tadpoles are large; in some species the world's longest.
Spikethumb frogs are a genus (Plectrohyla) of frogs in the family Hylidae found in Central America from southern Mexico through Guatemala and northern El Salvador to central and northern Honduras. A major revision of the Hylidae moved an additional 21 species to this genus from the genus Hyla. The additional species moved to Plectrohyla were identified as the Hyla bistincta group, also called the Plectrohyla bistincta group; a separate group from the initial Plectrohyla guatemalensis group. This phylogenetic classification was later revised by moving the Plectrohyla bistincta group from the genus Plectrohyla into a new genus called Sarcohyla. Meanwhile, the guatemalensis group remained in Plectrohyla. They are called spikethumb because of the spike on their thumbs, which is called a prepollex. The genus name comes from the Greek word plēktron ("spur") and hyla.
Tlalocohyla is a genus of frogs in the family Hylidae, also known as rain treefrogs or Middle American yellow-bellied treefrogs. They occur in Middle America between Mexico and Costa Rica. This genus was created in 2005 following a major revision of the Hylidae. The five species in this genus were previously placed in the genus Hyla.
Dendropsophus is a genus of frogs in the family Hylidae. They are distributed in Central and South America, from southern Mexico to northern Argentina and Uruguay. They are sometimes known under the common name Fitzinger neotropical treefrogs or yellow treefrogs
The knife-footed frog is a species of burrowing frog in the family Hylidae. It is endemic to Australia, where it is found over a wide area in the north of the continent.
Dendropsophus marmoratus is a species of frog in the family Hylidae. It is found in the Amazon rainforest and montane forests in the eastern piedmont, in Bolivia, Brazil, Colombia, Ecuador, French Guiana, Guyana, Peru, Suriname, and Venezuela. Its natural habitats are subtropical or tropical moist lowland forests, intermittent freshwater marshes, and heavily degraded former forest. "Marmoratus" in Latin means "marble," perhaps referring to the dorsal coloring pattern. It is threatened by habitat loss.
Pithecopus rohdei, also known as Rohde's leaf frog, Rohde's frog, and Mertens' leaf frog, is a species of frog in the subfamily Phyllomedusinae. The species was previously placed in the genus Phyllomedusa. The species is endemic to southeastern Brazil and occurs at elevations up to 1000 meters above sea level.
Scarthyla is a genus of tree frogs, the family Hylidae. They are found in the upper Amazon Basin of Bolivia, Peru, and Brazil and northward through Colombia and Venezuela to the Caribbean lowlands. They are sometimes known as Madre de Dios treefrogs and South American aquatic treefrogs. They are semiaquatic.
Pelodryadinae, also known as Australian treefrogs, is a subfamily of frogs found in the region of Australia and New Guinea, and have also been introduced to New Caledonia, Guam, New Zealand, and Vanuatu.
Phyllomedusinae is a subfamily of hylid tree frogs found in the Neotropics commonly called leaf frogs. Formerly, they were often considered as their own family, Phyllomedusidae.
Hylinae is a large subfamily of "tree frogs", family Hylidae.
Ranoidea is a genus of frogs in the subfamily Pelodryadinae. They are found in Australia, New Guinea, and two nearby groups of islands: the Maluku Islands, and the Louisiade Archipelago. The circumscription of this taxon is still controversial.
Dryophytes is a genus of Ameroasian tree frogs in the family Hylidae. They are found mostly in North America, but the genus also includes three species found in eastern Asia.
Pithecopus is a genus of frogs in the subfamily Phyllomedusinae. Species of the genus Pithecopus are found in tropical South America east of the Andes, from southern Venezuela to northern Argentina. Resurrected from the synonymy of Phyllomedusa in 2016, it corresponds to the former Phyllomedusa hypochondrialis group. Its sister group is Callimedusa.
Sarcohyla is a genus of frogs in the family Hylidae. It is endemic to Mexico and is found in the montane parts of the country between Durango in the north and Guerrero in the south. These frogs typically occur in pristine habitats along streams in pine-oak woodland at elevations between 1,500 and 3,100 m above sea level. The generic name is derived from the Greek sarkodes meaning "fleshy" in combination with Hylas and refers to the thick, glandular skin characteristic of most of the species in the genus.
Rheohyla is a genus of frogs in the family Hylidae. As currently recognized, it is monotypic, containing only Rheohyla miotympanum, also known as the small-eared hyla or small-eared treefrog. However, the nominal species likely is a complex of more than one species. It is endemic to eastern and central Mexico. The generic name refers to streams, the breeding habitat of this frog. The specific name is derived from Greek meion, a diminutive prefix, together with Greek tympanon (='drum') and refers to the small tympanum.
Julianus is a genus of tree frogs in the family Hylidae. They are found in southeastern Brazil, Uruguay, and northeastern Argentina. This genus is considered poorly defined and is regarded by most to merely be a synonym of Scinax.
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