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Dawsonia
Taxonomy
Dawsonia was named by Hartt (1868) [Sepkoski's age data: ]. It is not extant.
It was assigned to Eodiscidae by Whittington et al. (1997); and to Agnostida by Sepkoski (2002).
It was assigned to Eodiscidae by Whittington et al. (1997); and to Agnostida by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonyms
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Synonymy list
Year | Name and author |
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1868 | Dawsonia Hartt p. 655 |
1950 | Aculeodiscus Snajdr |
1958 | Aculeodiscus Snajdr p. 43 |
1997 | Dawsonia Whittington et al. p. 401 |
2002 | Dawsonia 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. †Dawsonia Hartt 1868
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†Dawsonia dawsoni Hartt 1868
Invalid names: Aculeodiscus Snajdr 1950 [synonym]
Diagnosis
No diagnoses are available