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Nephrospyris
Taxonomy
Nephrospyris was named by Haeckel (1887) [Sepkoski's age data: T Mi-u R]. It is extant. It was considered unknown by Haeckel (1887).
It was assigned to Trissocyclidae by Haeckel (1887); and to Nassellaria by Sepkoski (2002).
It was assigned to Trissocyclidae by Haeckel (1887); and to Nassellaria by Sepkoski (2002).
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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. Nephrospyris Haeckel 1887
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| E. Haeckel 1887 | Androspyrida with a discoidal, kidney-shaped, or subcircular shell, with a basal incision; without transverse constriction and free basal feet. |