Reproductive Biology

Simultaneous hermaphrodite. Reproduces year round by transfer of spermatophores and intradermic penetration of sperm cells.

CONSERVATION STATUS Not listed by the IUCN.

SIGNIFICANCE TO HUMANS None known. ♦

Resources

Books

Grygier, M. J. "Class Myzostomida." In Polychaetes and Allies: The Southern Synthesis. Fauna of Australia, Vol. 4A, Polychaeta, Myzostomida, Pogonophora, Echiura, Sipuncula, edited by Pamela L. Beesley, Graham J.B. Ross, and Christopher J. Glasby. Melbourne, Australia: CSIRO Publishing, 2000.

Periodicals

Eeckhaut, I., and M. Jangoux. "Fine Structure of the

Spermatophore and Intradermic Penetration of Sperm Cells in Myzostoma cirriferum (Annelida, Myzostomida)." Zoomorphology 111 (1991): 49-58.

-. "Life Cycle and Mode of Infestation of Myzostoma cirriferum (Annelida)" Diseases of Aquatic Organisms 15 (1993): 207-217.

Eeckhaut, I., D. McHugh, P. Mardulyn, R. Tiedemann, D. Monteyne, M. Jangoux, and M. Milinkovich. "Myzostomida: A Link Between Trochozoans and Flatworms?" Proceedings of the Royal Society, London, Series B, 267 (2000): 1383-1392.

Igor Eeckhaut, PhD

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Phylum Annelida Subphylum Clitellata Class Oligochaeta Number of families 17

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Terrestrial worms that typically dwell in soil and that are characterized by a "tube within a tube" construction, with an outer muscular body wall surrounding a digestive tract that begins with the mouth in the first segment and ends with the anus in the last segment

Photo: A giant earthworm (Haplotaxida) burrows back into the moist leaf litter in the subtropical rainforest floor. (Photo by Wayne Lawler/Photo Researchers, Inc. Reproduced by permission.)

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