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Semantrum
Taxonomy
Semantrum was named by Haeckel (1887) [Sepkoski's age data: T Eo R]. It is extant.
It was assigned to Triospyrididae by De Wever et al. (2001); and to Nassellaria by Sepkoski (2002).
It was assigned to Triospyrididae by De Wever et al. (2001); and to Nassellaria by Sepkoski (2002).
Synonymy list
Year | Name and author |
---|---|
1887 | Semantrum Haeckel |
2001 | Semantrum De Wever et al. p. 230 |
2002 | Semantrum 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. Semantrum Haeckel 1887
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Diagnosis
No diagnoses are available