Search results
Results from the WOW.Com Content Network
Earthworm with clitellum lablelled. Close-up of the clitellum of a Lumbricus rubellus. The clitellum is a thickened glandular and non-segmented section of the body wall near the head in earthworms and leeches that secretes a viscid sac in which eggs are stored. [1]
An earthworm is a soil-dwelling terrestrial invertebrate that belongs to the phylum Annelida. The term is the common name for the largest members of the class (or subclass , depending on the author) Oligochaeta .
Their large size distinguishes the Megascolecidae from other earthworm families; they are an essential part of maintaining soil structure, minor carbon sequestration, and maintaining terrestrial ecosystem balance. The Megascolecidae are one of many families in the Annelida phylum.
OpenWorm is an international open science project for the purpose of simulating the roundworm Caenorhabditis elegans at the cellular level. [1] [2] [3] Although the long-term goal is to model all 959 cells of the C. elegans, the first stage is to model the worm's locomotion by simulating the 302 neurons and 95 muscle cells.
The Kinabalu giant earthworm (Pheretima darnleiensis) is a grey-blue coloured peregrine annelid.It is found widely in Southeast Asia, primarily in the Indo-Australasian Archipelago (e.g., Singapore, Sumatra, Java, Bali, Borneo, Sulawesi, the Philippines, some islands near New Guinea such as Darnley Island and Christmas Island), but also in Peninsular Malaysia.
Giant Palouse earthworm - A vulnerable North American species. Oregon giant earthworm - A relative of the Palouse earthworm. Specimens have been recorded at 1.3 m (4 feet) long. Lake Pedder earthworm - Listed as the first "extinct" worm species from its original unique Tasmanian habitat. Lumbricus badensis - Giant (Badish) earthworm.
The Oregon giant earthworm was first described by Frank Smith in 1937 from a specimen found near Salem, Oregon in 1903. The species was named in honor of its collector, F. M. McElfresh. [ 2 ] Like its cousin, the giant Palouse earthworm ( Driloleirus americanus ) of Washington, this species can grow to lengths in excess of 3 feet (0.91 m) and ...
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 ...