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Taxon:
Phylum
Echiura
Sedgwick, 1898
(invertebrate)
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Hierarchy
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Classification by:
(1995) Zoological Record
(1998) Zoological Record
Systema Naturae 2000
Brusca & Brusca (1990) Invertebrates
Costello et al. (2001) European Register of Marine Species
Giribet et al. (2000) Triploblastic Relationships with Emphasis on the Acoelomates and the Position of Gnathostomulida, Cycliophora, Plathelminthes, and Chaetognatha: A Combined Approach of 18S rDNA Sequences and Morphology
Margulis & Schwartz (1982) Five Kingdoms
Margulis & Schwartz (1998) Five Kingdoms
Parker (1982) Synopsis and Classification of Living Organisms
Peterson & Eernisse (2001) Animal phylogeny and the ancestry of bilaterians: inferences from morphology and 18S rDNA gene sequences
Ruppert et al. (2004) Invertebrate Zoology
Storer et al. (1979) General Zoology
Zhang (2011) Animal biodiversity
Zhang (2013) Animal Biodiversity
Phylum
Echiura
Sedgwick, 1898 - spoon worms, echiurans
see
Class
Echiura
©2004-2026 Universal Taxonomic Services
Last updated:
28 Aug 2026
Phylum Echiura Sedgwick, 1898 - spoon worms, echiurans
see Class Echiura