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Eugnathina
Taxonomy
Eugnathina was named by Spencer and Wright (1966). It is not extant.
It was considered an invalid subgroup of Asteroidea by Blake (2018).
It was assigned to Spinulosida by Spencer and Wright (1966), Branstrator (1972), Hess (1972) and Welsh (1984).
It was considered an invalid subgroup of Asteroidea by Blake (2018).
It was assigned to Spinulosida by Spencer and Wright (1966), Branstrator (1972), Hess (1972) and Welsh (1984).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1966 | Eugnathina Spencer and Wright p. U65 |
| 1972 | Eugnathina Branstrator p. 66 |
| 1972 | Eugnathina Hess p. 14 |
| 1984 | Eugnathina Welsh p. 845 |
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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.
Subor. †Eugnathina Spencer and Wright 1966
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Fm. †Plesiosolasteridae Hess 1972
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G. †Plesiosolaster Hess 1972
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†Plesiosolaster moretonis Forbes 1856
Invalid names: Brachisolaster Blake 1993 [objective synonym]
Invalid names: Arkonasteridae Kesling 1982 [empty]
Diagnosis
No diagnoses are available