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Arthroacantha
Taxonomy
Arthroacantha was named by Wlliams (1883) [Sepkoski's age data: D Emsi-l D Fras]. It is not extant.
It was assigned to Hexacrinitidae by Ubaghs et al. (1978); and to Monobathrida by Sepkoski (2002).
It was assigned to Hexacrinitidae by Ubaghs et al. (1978); and to Monobathrida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
| Year | Name and author |
|---|---|
| 1883 | Arthroacantha Wlliams |
| 1886 | Arthracantha Hinde |
| 1936 | Arthracantha Goldring |
| 1978 | Arthroacantha Ubaghs et al. p. T475 |
| 2002 | Arthroacantha 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.
G. †Arthroacantha Wlliams 1883
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Invalid names: Arthracantha Hinde 1886 [nomen vanum]
Diagnosis
No diagnoses are available