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Pradesuridae
Taxonomy
Pradesuridae was named by Spencer (1951). It is not extant. Its type is Pradesura.
It was assigned to Eophiuricae by Spencer (1951), Lehmann (1957) and Owen (1965); and to Proturina by Spencer and Wright (1966), Boczarowski (2001) and Blake (2013).
It was assigned to Eophiuricae by Spencer (1951), Lehmann (1957) and Owen (1965); and to Proturina by Spencer and Wright (1966), Boczarowski (2001) and Blake (2013).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1951 | Pradesuridae Spencer p. 111 |
| 1957 | Pradesuridae Lehmann p. 20 |
| 1965 | Pradesuridae Owen p. 547 |
| 1966 | Pradesuridae Spencer and Wright p. U80 |
| 2001 | Pradesuridae Boczarowski p. 8 |
| 2013 | Pradesuridae Blake p. 367 |
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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. †Pradesuridae Spencer 1951
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G. †Erinaceaster Lehmann 1957
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†Erinaceaster giganteus Lehmann 1957
†Erinaceaster tenuispinosus Lehmann 1957
G. †Stuertzura Gregory 1897
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†Sturtzura brisingoides Gregory 1889
†Sturtzura leptosomoides Chapman 1907
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. K. Spencer 1951 | Outer lateralia broad, with a single row of spines placed at an angle to the arm axis |