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Trachelocrinida
Taxonomy
Trachelocrinida was named by Sumrall (1997). It is not extant.
It was assigned to Eocrinoidea by Sepkoski (2002).
It was assigned to Eocrinoidea by Sepkoski (2002).
Synonymy list
| Year | Name and author |
|---|---|
| 1997 | Trachelocrinida Sumrall |
| 2002 | Trachelocrinida Sepkoski |
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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.
Or. †Trachelocrinida Sumrall 1997
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Fm. †Heckerocrinidae Doweld 2012
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G. †Heckerocrinus Doweld 2012
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†Heckerocrinus elpasoensis Doweld 2012
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Invalid names: Bockia elpasoensis Sprinkle and Wahlman 1994 [replaced]
Invalid names: Bockia Hecker 1938 [replaced]
Invalid names: Bockiidae Ubaghs 1972 [replaced]
Fm. †Trachelocrinidae Sprinkle 1973
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Diagnosis
No diagnoses are available