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Ophiotrigonum
Taxonomy
Ophiotrigonum was named by Hess (1960) [Sepkoski's age data: J Oxfo]. It is not extant. Its type is Ophiotrigonum oxfordiense.
It was assigned to Ophiuroidea by Hess (1960); to Ophiuroidea by Spencer and Wright (1966); and to Ophiurida by Sepkoski (2002).
It was assigned to Ophiuroidea by Hess (1960); to Ophiuroidea by Spencer and Wright (1966); and to Ophiurida by Sepkoski (2002).
Species
O. oxfordiense (type species)
Synonymy list
| Year | Name and author |
|---|---|
| 1960 | Ophiotrigonum Hess |
| 1966 | Ophiotrigonum Spencer and Wright p. U102 |
| 2002 | Ophiotrigonum 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.
Diagnosis
No diagnoses are available