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Cnemidactinidae
Taxonomy
Cnemidactinidae was named by Spencer (1918). Its type is Cnemidactis.
It was synonymized subjectively with Urasterellidae by Blake and Rozhnov (2007).
It was assigned to Asteroidea by Spencer (1918); to Urasterina by Owen (1965); to Uractinida by Blake (1989); to Uractinina by Spencer and Wright (1966) and Blake and Guensburg (1993); and to Euaxosida by Blake (2018).
It was synonymized subjectively with Urasterellidae by Blake and Rozhnov (2007).
It was assigned to Asteroidea by Spencer (1918); to Urasterina by Owen (1965); to Uractinida by Blake (1989); to Uractinina by Spencer and Wright (1966) and Blake and Guensburg (1993); and to Euaxosida by Blake (2018).
Subtaxa
Cnemidactis (type genus)
Synonymy list
| Year | Name and author |
|---|---|
| 1918 | Cnemidactinidae Spencer pp. 155-156 |
| 1965 | Cnemidactinidae Owen p. 564 |
| 1966 | Cnemidactinidae Spencer and Wright p. U71 |
| 1989 | Cnemidactinidae Blake p. 213 |
| 1993 | Cnemidactinidae Blake and Guensburg p. 111 |
| 2018 | Cnemidactinidae Blake p. 31 |
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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.
Fm. †Cnemidactinidae Spencer 1918
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G. †Cnemidactis Spencer 1918
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†Cnemidactis girvanensis Schuchert 1914
†Cnemidactis macroadambulacralatas Blake and Guensburg 1993
†Cnemidactis osloensis Hansen et al. 2005
Diagnosis
No diagnoses are available