Spea
| Western spadefoot toad | |
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| Western Spadefoot Toad (Spea hammondii) | |
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| Genus: | Spea Cope, 1866
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Spea is a genus of North American amphibian commonly referred to as the western spadefoot toads. They differ greatly from true toads (those of the family Bufonidae) by having eyes with vertical pupils, no parotoid glands, and relatively smooth skin. Their most distinctive feature is a spade-like projection on their hind feet, from which their common name is derived. This projection enables spadefoot toads to dig in loose soils with ease. Its name is from the Ancient Greek speos (σπέος, ‘cave, cavern’)[1]
Species
Spea species were once classified with their European cousins in the family Pelobatidae, but have since been reclassified to their own family, Scaphiopodidae with other North American species. There are four species in the genus Spea:
- Plains spadefoot toad, Spea bombifrons (Cope, 1863)
- Western spadefoot toad, Spea hammondii (Baird, 1859)
- Great Basin spadefoot toad, Spea intermontana (Cope, 1863)
- New Mexico spadefoot toad, Spea multiplicata (Cope, 1863)
Related species
Genus Scaphiopus, southern spadefoot toads
- Couch's spadefoot toad, Scaphiopus couchii (Baird, 1854)
- Eastern spadefoot (toad), Scaphiopus holbrookii (Harlan, 1835)
- Hurter's spadefoot toad, Scaphiopus hurterii (Strecker, 1910)
References
- ^ Dodd, C. Kenneth (2013). Frogs of the United States and Canada. Vol. 1. The Johns Hopkins University Press. p. 20. ISBN 978-1-4214-0633-6.
- "Spea". Integrated Taxonomic Information System. Retrieved 1 May 2006.
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