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Carydium sociale
Taxonomy
Carydium sociale was named by Beushausen (1895).
It was recombined as Cardium sociale by Edmonds et al. (1985).
It was recombined as Cardium sociale by Edmonds et al. (1985).
Synonymy list
| Year | Name and author |
|---|---|
| 1895 | Carydium sociale Beushausen |
| 1985 | Cardium sociale Edmonds et al. |
| 1986 | Carydium sociale Bailey p. 305 |
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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.
†Carydium sociale Beushausen 1895
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. B. Bailey 1986 | Sculpture of fine growth lines. Right cardinal tooth mostly uniform,u ndivided, nonserrated;s ometimes indistinctly A-shaped, medial angle faint. Whereas variants with the angled tooth are common in stratigraphicallyy ounger collections, they are rare in older samples (Haffer, 1959, p. 143). |