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Fragiscutum
Taxonomy
Fragiscutum was named by Whittington and Campbell (1967) [Sepkoski's age data: S Ludl-l S Ludl-u Sepkoski's reference number: 1088]. It is not extant.
It was assigned to Encrinurinae by Evitt and Tripp (1977); to Encrinuridae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).
It was assigned to Encrinurinae by Evitt and Tripp (1977); to Encrinuridae by Jell and Adrain (2002); and to Phacopida by Sepkoski (2002).
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1967 | Fragiscutum Whittington and Campbell |
| 1977 | Fragiscutum Evitt and Tripp p. 119 |
| 2002 | Fragiscutum Jell and Adrain p. 376 |
| 2002 | Fragiscutum 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. †Fragiscutum Whittington and Campbell 1967
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Diagnosis
No diagnoses are available