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Topic: Ascaphidae

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	Anura Species Database (Frogs & Toads)
		Ascaphids were formerly, and sometimes are still, placed in the family Leioplematidae, for which Ascaphidae shares some similar traits with.
		Leiopelmatidae is considered closely related to Ascaphidae, the tailed frogs from North America.
		Synapomorphies of Pelobatids include a fused joint between the coccyx and the sacrum, exostosed frontoparietals, and the presences of the metatarsal spade.
	www.livingunderworld.org /anura/families (1155 words)

	Digimorph - Leiopelma hochstetteri (Hochstetter's frog)
		Historically, both Leiopelma and Ascaphus were grouped together into the Amphicoela based on shared primitive characters such as the presence of free ribs, amphicoelous vertebrae, epipubic cartilages, and the caudalipuboischiotibialis muscle (Green and Cannatella, 1993).
		Synapomorphies of Leiopelma include the presence of ventral inscriptional ribs, low diploid chromosome numbers, absence of a horny beak in larvae, and the reduction of the opercular folds during development (Green and Cannatella, 1993).
		Phylogenetic significance of the amphicoelous frogs, Ascaphidae and Leiopelmatidae.
	digimorph.org /specimens/Leiopelma_hochstetteri (464 words)

	Herpbreeder.dk
		Salientia of the World - Ascaphidae - Ascaphus :::::.
		Alternate-leg Swimming in Primitive Frogs, Families Leiopelmatidae and Ascaphidae.
		Ultrastructure of the Seprmatozoon of the Internally Fertilizing Frog Ascaphus truei (Ascaphidae: Anura: Amphibia) with Phylogenetic Considerations.
	www.herpbreeder.com /worldspecies/Salientia/ascaphidae/ascaphus.htm (274 words)

	Tailed frog - Wikipedia, the free encyclopedia
		The "tail" in the name is actually an extension of the male cloaca.
		Ascaphus is the only genus in the family Ascaphidae.
		Until 2001, the genus was believed to be monotypic, the single species being the Tailed Frog (Ascaphus truei Stejneger, 1899).
	en.wikipedia.org /wiki/Ascaphidae (291 words)

	Discover Life - Anura: Ascaphidae Fejérváry, 1923 - Tailed frogs (Site not responding. Last check: 2007-10-20)
		Among extant frogs, Ascaphus is thought to be most closely related to the Leiopelmatidae of New Zealand and, in fact, Ascaphus is sometimes placed in this family.
		Fossils which are sometimes attributed to the Leiopelmatidae rather than Ascaphidae are known from the Jurassic of Patagonian Argentina.
		This indicates that, while the current distribution of the Ascaphidae is limited, its ancestors were more widespread (North America, Argentina, New Zealand).
	pick5.pick.uga.edu /mp/20q?search=Ascaphidae (602 words)

	Ascaphidae (Fejervary, 1923) Tailed Frogs
		Ascaphidae consists of two species, Ascaphus montanus, and Ascaphus truei.
		The family Ascaphidae belongs to the Suborder Archaeobatrachis, the ancient frogs.
		Some would place them in the Superfamily Discoglossoidea, while others would describe them as the "sister taxa to all other frogs".
	www.livingunderworld.org /anura/database/ascaphidae (343 words)

	AmphibiaWeb
		It shares many features generally thought to be inherited from distant ancestors with the Tailed Frogs (Family Ascaphidae).
		These are small frogs with round pupils, broad heads, and smooth skin on the “soles” of their feet.
		Despite many shared primitive characters with Ascaphidae, they are considered to be two distinct lineages and may not be each others’ closest relatives.
	amphibiaweb.org /lists/Leiopelmatidae.shtml (226 words)

	eNature: FieldGuides: Species Detail (Site not responding. Last check: 2007-10-20)
		Family: Ascaphidae, Tailed Frogs view all from this family
		Usually olive or gray to almost fl; many dark spots on back.
		They feed on algae and invertebrates and transform in 1-3 years.
	www.enature.com /fieldguides/detail.asp?recnum=AR0005 (132 words)

	ASIH 1997 Joint Meetings - Live Herp Display (Site not responding. Last check: 2007-10-20)
		Many species of native herps from the Northwest will be displayed.
		The high rainfall and cool climate of the west coast supports a number of endemic taxa of amphibians, including the primitive, yet specialized tailed frog (Ascaphus truei, Ascaphidae); the torrent salamanders (4 species of Rhyacotriton, Rhyacotritonidae); and the impressive giant salamanders (4 species of Dicamptodon, Dicamptodontidae).
		A variety of reptiles and arid-adapted amphibians inhabit the Great Basin east of the Cascade divide.
	artedi.fish.washington.edu /asih/display.htm (320 words)

	Untitled Document
		The kinds of questions that your project should address might include some of the following.
		What mechanisms or phenomena can you propose (and how would you test for their effects) that could explain the disjunct distributions of lineages within the Ascaphidae, marine and freshwater distrubuition of Myoxocephalus, or the or the limitation of Oryx to Africa and Arabian Peninsula.
		What is the extent of the fossil record for your taxon of choice and what insights can it provide into the origin of that taxon and its distribution?
	www.zoology.ubc.ca /~etaylor/413www/project.d/project2002.html (1119 words)

	Best of the Web - What's New in Science For 2/19/2006 (Site not responding. Last check: 2007-10-20)
		Livingunderworld.org Arthroleptidae - Lists species under this group.
		Family Ascaphidae (tailed frogs) - Presents characteristics and behavior.
		Livingunderworld.org Ascaphidae - Contains data on species, suborders and distinguishing features.
	botw.org /new/Science/02192006.cfm (1763 words)

	Frogs & Toads
		Spadefoot Toad Family -- Pelobatidae: most of US Leptodactylid Frog Family -- Leptodactylidae: Florida and Texas US Tongueless Frog Family -- Pipidae: introduced into southern California
		Tailed Frog Family -- Ascaphidae: in northwestern US and southwestern Canada
		What's the difference between a frog and a toad?
	www.backyardnature.net /frogclss.htm (529 words)

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