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Forcipulatacea
Taxonomy
Forcipulatacea was named by Blake (1987). It is extant. It was considered monophyletic by Blake and Hagdorn (2003).
It was assigned to Asteroidea by Blake (1989); to Neoasteroidea by Villier et al. (2009); and to Neoasteroidea by Blake and Hagdorn (2003) and Blake et al. (2017).
It was assigned to Asteroidea by Blake (1989); to Neoasteroidea by Villier et al. (2009); and to Neoasteroidea by Blake and Hagdorn (2003) and Blake et al. (2017).
Subtaxa
Synonymy list
Year | Name and author |
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1987 | Forcipulatacea Blake |
1989 | Forcipulatacea Blake p. 213 |
2003 | Forcipulatacea Blake and Hagdorn p. 35 |
2009 | Forcipulatacea Villier et al. p. 390 |
2017 | Forcipulatacea Blake et al. p. 324 |
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If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.
Superor. Forcipulatacea Blake 1987
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Or. †Trichasteropsida Blake 1987
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Fm. †Trichasteropsiidae Blake and Hagdorn 2003
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G. †Trichasteropsis Eck 1879
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†Trichasteropsis bielertorum Blake and Hagdorn 2003
†Trichasteropsis senfti Eck 1879
†Trichasteropsis weissmanni von Münster 1843
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Invalid names: Asterias cilicia Quenstedt 1852 [synonym], Asterias obtusa Goldfuss 1833 [synonym], Trichasteropsis hippeleini Rothe 1959 [synonym]
Or. Zorocallida Downey 1970
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Fm. †Terminasteridae Gale 2011
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G. †Alkaidia Blake and Reid 1998
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†Alkaidia megaungula Ewin and Gale 2020
†Alkaidia sumralli Blake and Reid 1998
Diagnosis
No diagnoses are available