Higher Classification: > Kingdom Animalia > Subkingdom Eumetazoa > Phylum Annelida > Class Polychaeta > Subclass Echiura > Order Echiuroidea > Suborder Echiurida

Thalassematidae Forbes & Goodsir, 1841

Rank: Family
Taxon Status: accepted

Relationships towards this taxon

Family group names

*Thalassematinae*	Forbes & Goodsir, 1841	orthographic variant; alternate representation

Children

Anelassorhynchus Annandale, 1922
Ochetostoma Rüppell & Leuckart, 1828
Thalassema Pallas, 1774

Vernaculars (+) (-)

Japanese: ミドリユムシ科; ミドリユムシ科

Literature

original description	Forbes, E., Goodsir, J. (1841). On the natural history and anatomy of Thalassema and Echiurus. Edinburgh New Philosophical Journal. 30: 369–378.
additional source	Popkov, D. V. (1992). A new echiuran species Thalassema malakhovi (Echiura) from New Zealand. New Zealand Journal of Marine and Freshwater Research. 26(3-4): 379–383.
additional source	van der Land, J. (2001). Echiura, in: Costello, M.J. et al. (Ed.) (2001). European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels, 50: pp. 178
status source	Goto, R. (2016). A comprehensive molecular phylogeny of spoon worms (Echiura, Annelida): implications for morphological evolution, the origin of dwarf males, and habitat shifts. Molecular Phylogenetics and Evolution. 99: 247–260.
status source	Goto, R., Okamoto, T., Ishikawa, H., Hamamura, Y., Kato, M. (2013). Molecular phylogeny of echiuran worms (Phylum: Annelida) reveals evolutionary pattern of feeding mode and sexual dimorphism. PLoS ONE. 8(2): e56809.
status source	Nishikawa, T. (1998). Nomenclatural remarks on the family-group names of the Phylum Echiura. Proceedings of the Biological Society of Washington. 111(2): 249–256.
taxonomy source	Biseswar, Ramlall. (2019). The echiuran fauna of southern Africa (Class: Echiura, Phylum: Annelida). African Zoology. 54(2): 73–90.