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The reproductive period of the Giant Gippsland Earthworm mainly spans from September to December. [5] They breed in the warmer months and produce egg capsules that are 4 centimetres (1.6 in) to 7 centimetres (2.8 in) in length which are laid in their burrows.
Oligochaetes are well-segmented worms and most have a spacious body cavity (coelom) used as a hydroskeleton.They range in length from less than 0.5 mm (0.02 in) up to 2 to 3 metres (6.6 to 9.8 ft) in the 'giant' species such as the giant Gippsland earthworm (Megascolides australis) and the Mekong worm (Amynthas mekongianus).
There are over 22,000 living annelid species, [6] [7] ranging in size from microscopic to the Australian giant Gippsland earthworm and Amynthas mekongianus, which can both grow up to 3 meters (9.8 ft) long [7] [8] [9] to the largest annelid, Microchaetus rappi which can grow up to 6.7 m (22 ft).
The Giant earthworm is a name often given to a variety of large invertebrates in the class Clitellata, ... Giant Gippsland earthworm, ... Giant tube worm;
Giant Gippsland earthworm at the Museum Victoria website Rossiter, RJ; Gaffney, TJ; Rosenberg, H; Ennor, AH (1960). "The formation in vivo of lombricine in the earthworm ( Megascolides cameroni )" .
Earthworm, giant Gippsland earthworm: 1 - Invasion of the Land: Features the earthworm and its importance for the soil, and six feet long giant gippsland earthworm. Evolution: Invertebrates: 1 - Invasion of the Land: Evolution of land invertebrates, how they have adapted to survive out of water, and their relationship with green plants ...
Earthworm head. Depending on the species, an adult earthworm can be from 10 mm (0.39 in) long and 1 mm (0.039 in) wide to 3 m (9.8 ft) long and over 25 mm (0.98 in) wide, but the typical Lumbricus terrestris grows to about 360 mm (14 in) long. [9]
Little is known about the giant Palouse earthworm. Typical adult specimens are about 8 in (20 cm) in length. [5] They are related to a species in Australia that is a true giant at 3.3 ft (1.0 m), the giant Gippsland earthworm. The worm is albino in appearance.