Scaphiopodidae is a toad A toad can refer to a number of species of amphibians in the order Anura. A distinction is often made between frogs and toads by their appearance, prompted by the convergent adaptation among so-called "toads" to dry habitats. Many "toads" have leathery skin for better water retention, and brown coloration for camouflage. They family What does and does not belong to each family is determined by a taxonomist. Similarly for the question if a particular family should be recognized at all. Often there is no exact agreement, with different taxonomists each taking a different position. There are no hard rules that a taxonomist needs to follow in describing or recognizing a family of American spadefoot toads. They are native to southern Canada Canada is a country occupying most of northern North America, extending from the Atlantic Ocean in the east to the Pacific Ocean in the west and northward into the Arctic Ocean. It is the world's second largest country by total area and shares the world's longest common border with the United States to the south and northwest and USA The United States of America is a federal constitutional republic comprising fifty states and a federal district. The country is situated mostly in central North America, where its 48 contiguous states and Washington, D.C., the capital district, lie between the Pacific and Atlantic Oceans, bordered by Canada to the north and Mexico to the south south to southern Mexico The United Mexican States (Spanish: Estados Unidos Mexicanos ), commonly known as Mexico (English: /ˈmɛksɪkoʊ/) (Spanish: México (help·info) [ˈmexiko]), is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize,. Scaphiopodidae is a small family, comprising of only seven species.

The American spadefoot toads are of typical shape to most fossorial (or burrowing) frogs. They are round, with short legs and protruding eyes. As suggested by their name, this frog has hard, keratinous protrusion present on their feet, which helps them to dig. Like most fossorial frogs, they will dig backwards into the ground.[1]

The American spadefoot toads are terrestrial when not under ground. They are dully coloured, usually a grey or dull green or brown. This is to aid in camouflage in their arid habitats.

Taxonomy

This family was previously included in the European spadefoot toad The European spadefoot toads are a family of frogs, the Pelobatidae, with only one genus Pelobates, containing four species. They are native to Europe, the Mediterranean, northwestern Africa and western Asia family What does and does not belong to each family is determined by a taxonomist. Similarly for the question if a particular family should be recognized at all. Often there is no exact agreement, with different taxonomists each taking a different position. There are no hard rules that a taxonomist needs to follow in describing or recognizing a family, but has been split into two taxa. Pelobatidae The European spadefoot toads are a family of frogs, the Pelobatidae, with only one extant genus Pelobates, containing four species. They are native to Europe, the Mediterranean, northwestern Africa and western Asia includes the Pelobates The European spadefoot toads are a family of frogs, the Pelobatidae, with only one genus Pelobates, containing four species. They are native to Europe, the Mediterranean, northwestern Africa and western Asia genus, and Scaphiopodidae the rest.[2]

Spadefoot toads are generally found in arid climates, where they spend the majority of their lives underground, generally beneath perennial ponds, creek beds, or other moisture-retaining areas. During years of sufficient rainfall, the toads surface to breed and lay eggs.

References

  1. ^ "Scaphiopodidae (Cope, 1865) American Spadefoot Toads". http://www.livingunderworld.org/anura/database/scaphiopodidae/. Retrieved on 2006-05-12.
  2. ^ "Amphibian Species of the World - Pelobatidae Bonaparte, 1850". http://research.amnh.org/herpetology/amphibia/references.php?id=14952. Retrieved on 2006-05-12.

External links

Extant anuran Frogs are amphibians in the order Anura , formerly referred to as Salientia (Latin saltare, to jump). Most frogs are characterized by long hind legs, a short body, webbed digits (fingers or toes), protruding eyes and the absence of a tail. Frogs are widely known as exceptional jumpers, and many of the anatomical characteristics of frogs, families by suborder
Kingdom Animalia Animals are a major group of mostly multicellular, eukaryotic organisms of the kingdom Animalia or Metazoa. Their body plan eventually becomes fixed as they develop, although some undergo a process of metamorphosis later on in their life. Most animals are motile, meaning they can move spontaneously and independently. Most animals are also · Phylum Chordata Chordates are animals which are either vertebrates or one of several closely related invertebrates. They are united by having, for at least some period of their life cycle, a notochord, a hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail. The phylum Chordata consists of three subphyla: Urochordata, represented by · Subphylum Craniata Craniata is a proposed clade of chordate animals that contains the Myxini (hagfish), Cephalaspidomorphi (including lampreys), and Gnathostomata (jawed vertebrates) as living representatives. Craniata includes all animals with a skull, or cranium, as the name suggests · Superclass Tetrapoda Tetrapods are vertebrate animals having four feet, legs or leglike appendages. Amphibians, reptiles, dinosaurs/birds[citation needed], and mammals are all tetrapods, and even the limbless snakes are tetrapods by descent. The earliest tetrapods radiated from the Sarcopterygii, or lobe-finned fish · Class Amphibia Amphibians , such as frogs, toads, salamanders, newts, and caecilians, are ectothermic (or cold-blooded) animals that metamorphose from a juvenile water-breathing form, to an adult air-breathing form. Though amphibians typically have four limbs, the Caecilians are notable for being limbless. Unlike other land animals (amniotes), amphibians lay
Archaeobatrachia Ascaphidae · Bombinatoridae Bombinatoridae are often referred to as Fire-bellied toads because of their brightly colored ventral sides, which show that they are highly toxic to humans. This family includes two genera, Barbourula and Bombina, both of which have flattened bodies · Discoglossidae Discoglossidae is a family of primitive frogs, with the common name Disc-Tongued Frogs. They are native to Europe and North-West Africa · Leiopelmatidae Leiopelmatidae, or New Zealand primitive frogs, is a family belonging to the suborder Archaeobatrachia. Their relatively primitive form indicates that they have an ancient lineage. Only four species are known to belong to the family. As the common name suggests, they are only found in New Zealand
Mesobatrachia Megophryidae · Pelobatidae The European spadefoot toads are a family of frogs, the Pelobatidae, with only one genus Pelobates, containing four species. They are native to Europe, the Mediterranean, northwestern Africa and western Asia · Pelodytidae Parsley frogs, Pelodytidae, is a family of order Anura. The family consists of just one genus, Pelodytes, which contains only three species. These frogs can be found in southwestern Europe and the Caucasus. The common name of "parsley frogs" comes from the Common Parsley Frog which, because of its colouring, looks garnished with parsley · Pipidae · Scaphiopodidae · Rhinophrynidae
Neobatrachia Amphignathodontidae · Aromobatidae · Arthroleptidae · Brachycephalidae · Bufonidae Bufonidae is the family of the true toads, members of the order Anura . They are the only family of anurans all members of which are known as "toads". The bufonids now comprise more than 35 genera, Bufo being the most widespread and well known · Centrolenidae · Dendrobatidae · Heleophrynidae The Heleophrynidae, is a family of order Anura, commonly known as ghost frogs. The family consists of a single genus, Heleophryne, and six species. Ghost frogs live in swift-moving mountain streams in South Africa. The common name of "ghost frogs" may have been coined because of their occurrence in Skeleton Gorge · Hemisotidae The shovelnose frogs are nine species of frog in the genus, Hemisus, the only genus in the Family Hemisotidae. They are found in tropical and subtropical sub-Saharan Africa. The shovelnose frogs are moderate sized frogs, reaching a length of 8 centimetres . They are round-bodied, with short legs. Their head is small and narrow, with a hard, · Hylidae Hylidae is a wide-ranging family of frogs commonly referred to as "treefrogs and their allies". However, the hylids include a diversity of frog species, many of which do not live in trees, but are terrestrial or semi-aquatic · Hyperoliidae Hyperoliidae is a family of small to medium sized, brightly colored, frogs which contains more than 250 species in 19 genera. Seventeen genera are native to sub-Saharan Africa . In addition,the monotypic genus Tachycnemis occurs on the Seychelles Islands, and the genus Heterixalus is endemic to Madagascar · Leptodactylidae · Mantellidae Mantellidae is a family of the order Anura. These frogs are found only in Madagascar and Mayotte · Microhylidae · Myobatrachidae · Petropedetidae · Ranidae The true frogs, family Ranidae, have the widest distribution of any frog family. They are abundant throughout most of the world, occurring on all continents except Antarctica. The true frogs are present in North America, northern South America, Europe, Asia, Madagascar, Africa and from the East Indies to New Guinea; the species native to Australia · Rhacophoridae Rhacophoridae is a family of frog species, which occur in tropical regions of Asia and Africa. They are commonly known as shrub frogs, or more ambiguously as '"moss frogs" or "bush frogs". Some Rhacophoridae are called "tree frogs". Among the most spectacular members of this family are numerous "flying frogs" · Rhinodermatidae Rhinodermatidae are a family of small frogs found on the south-west coast of South America. There is only one genus , with just two species, of which the Chile Darwin's Frog (R. rufum) is highly endangered or may already be extinct. The better known Darwin's Frog (R. darwinii) is vulnerable · Sooglossidae The Seychelles Frogs are a family of frogs only found on the Seychelles Islands. Until recently this family was believed to include the genera Nesomantis and Sooglossus, but following a major revision of amphibians in 2006 the genus Nesomantis was named a junior synonym of Sooglossus; conversely, the recently-discovered Purple Frog which was

Categories: Frogs by classification

 

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