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Placonella
Taxonomy
Placonella was named by Hinde (1884) [Sepkoski's age data: J Kimm Sepkoski's reference number: 1066]. It is not extant.
It was assigned to Lithistida by Sepkoski (2002); and to Heterostiniinae by Finks et al. (2004).
It was assigned to Lithistida by Sepkoski (2002); and to Heterostiniinae by Finks et al. (2004).
Synonymy list
| Year | Name and author |
|---|---|
| 1884 | Placonella Hinde |
| 2002 | Placonella Sepkoski |
| 2004 | Placonella Finks et al. p. 265 |
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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. †Placonella Hinde 1884
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Diagnosis
No diagnoses are available