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Norrisia
Taxonomy
Norrisia was named by Bayle (1880) [Sepkoski's age data: Q Plei R]. It is extant.
It was assigned to Trochidae by Palmer and Brann (1965); and to Archaeogastropoda by Sepkoski (2002).
It was assigned to Trochidae by Palmer and Brann (1965); and to Archaeogastropoda by Sepkoski (2002).
Species
Species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1880 | Norrisia Bayle |
| 1965 | Norrisia Palmer and Brann p. 800 |
| 2002 | Norrisia 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.
Diagnosis
No diagnoses are available