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Table 1 Classifications of Myzostomida Graff, 1877

From: Phylogeny of Myzostomida (Annelida) and their relationships with echinoderm hosts

Previous classification

Revised classification

Pharyngidea Jägersten, 1940

*Asteriomyzostomatidae Jägersten, 1940

*Asteriomyzostomatidae Jägersten, 1940

*Asteriomyzostomum Jägersten, 1940 (2 species)

Asteriomyzostomum Jägersten, 1940

Asteromyzostomatidae Wagin, 1954

Asteromyzostomatidae Wagin, 1954

Asteromyzostomum Wagin, 1954 (3 species)

Asteromyzostomum Wagin, 1954

Eenymeenymyzostomatidae Summers & Rouse

Endomyzostomatidae Perrier, 1897

Eenymeenymyzostoma Summers & Rouse (1 species)

Contramyzostoma Eeckhaut & Jangoux, 1995

Endomyzostomatidae Perrier, 1897

Endomyzostoma Perrier, 1897

Endomyzostoma Perrier, 1897 (14 species)

Mycomyzostoma Eeckhaut, 1998

Myzostomatidae Beard, 1884

Mesomyzostomatidae Stummer-Traunfels, 1923

^Contramyzostoma Eeckhaut & Jangoux, 1995 (1 species)

Mesomyzostoma Remscheid, 1918

Hypomyzostoma Perrier, 1897 (10 species)

Protomyzostomatidae Stummer-Traunfels, 1923

^Myzostoma Leuckart, 1827 (115 species)

Protomyzostomum Fedetov, 1912

Mesomyzostoma Remscheid, 1918 (2 species)

Pulvinomyzostomatidae Jägersten, 1940

^Notopharyngoides Uchida, 1992 (3 species)

Pulvinomyzostomum Jägersten, 1940

Protomyzostomatidae Stummer-Traunfels, 1923

Stelechopodidae Graff, 1884

Protomyzostomum Fedetov, 1912 (4 species)

Stelechopus Graff, 1884

Pulvinomyzostomatidae Jägersten, 1940

Proboscidea Jägersten, 1940

Pulvinomyzostomum Jägersten, 1940 (1 species)

Myzostomatidae Beard, 1884

*Stelechopodidae Graff, 1884

Hypomyzostoma Perrier, 1897

*Stelechopus Graff, 1884 (1 species)

Myzostoma Leuckart, 1827

Family uncertain

Notopharyngoides Uchida, 1992

*Mycomyzostoma Eeckhaut, 1998 (1 species)

  1. Previous classification (Jägersten [17]; Grygier [6]) shown in left column. Classification as revised here, with the number of currently described species for each genus, shown in the right column. * indicate groups with no molecular data available. ^ denote paraphyletic/polyphyletic taxa based on the molecular phylogeny in Figure 2.