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Lithophysema
Taxonomy
Lithophysema was named by Stewart (1926) [Sepkoski's age data: T Eo-m T Eo-u Sepkoski's reference number: 700]. It is not extant.
It was assigned to Acteonidae by Harris and Palmer (1947); and to Cephalaspida by Sepkoski (2002).
It was assigned to Acteonidae by Harris and Palmer (1947); and to Cephalaspida by Sepkoski (2002).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 1926 | Lithophysema Stewart |
| 1947 | Lithophysema Harris and Palmer p. 455 |
| 2002 | Lithophysema 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. †Lithophysema Stewart 1926
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†Lithophysema labrea Olsson 1928
†Lithophysema solaria Olsson 1928
Diagnosis
No diagnoses are available