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When these worms hatch in 12 months they are around 20 centimetres (7.9 in) long at birth. Unlike most earthworms which deposit castings on the surface, they spend almost all their time in burrows about 52 centimetres (20 in) in depth and deposit their castings there, and can generally only be flushed out by heavy rain.
A. teres and A. parateres were identified in 1868 by Ehlers as Diopatra teres [11] and in 1878 they were placed in the genus Onuphis by Grube. [4] In 1979, Paxton re-classified them into their current taxonomy, [4] in what is regarded as the authority study on Australian beach worms. [5]
Megascolecidae is a family of earthworms native to Madagascar, Australia, New Zealand, Asia, and North America. [2] At up to 2 meters in length, [ 3 ] their large size distinguishes the Megascolecidae from other earthworm families.
The giant Palouse earthworm or Washington giant earthworm (Driloleirus americanus, meaning lily-like worm [2]) is a species of earthworm belonging to the genus Driloleirus inhabiting the Palouse region of Eastern Washington and North Idaho, in the United States. The worm was discovered in 1897 by Frank Smith near Pullman, Washington. It can ...
Aridulodrilus molesworthae is a large Australian earthworm occurring, unusually, in a semiarid region of New South Wales.It was recognised as a species of Megascolecidae, a family with extreme diversity in the wetter coastal regions of the continent, but distinguished as a new monotypic genus Aridulodrilus, a name derived from Latin meaning a semi-desert worm.
Tasmanipatus barretti, the giant velvet worm, is a species of velvet worm in the Peripatopsidae family. [1] It is the sole species in the genus Tasmanipatus [ 2 ] and is ovoviviparous . [ 3 ]
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Approximately 182 earthworm taxa in twelve families are reported from the United States and Canada, of which sixty (about 33%) are introduced. [4] Only two genera of lumbricid earthworms are indigenous to North America while introduced genera have spread to areas without any native species, especially in the north where forest ecosystems rely on a large amount of undecayed leaf matter.