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Amphicraspedum
Taxonomy
Amphicraspedum was named by Haeckel (1882). It was considered unknown by Nigrini (1967).
It was assigned to Euchitoniidae by Nigrini (1967); and to Radiolaria by Sanfilippo et al. (2003).
It was assigned to Euchitoniidae by Nigrini (1967); and to Radiolaria by Sanfilippo et al. (2003).
Species
Synonymy list
Year | Name and author |
---|---|
1882 | Amphicraspedum Haeckel |
1967 | Amphicraspedum Nigrini |
2003 | Amphicraspedum Sanfilippo et al. p. 54 |
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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.
Diagnosis
Reference | Diagnosis | |
---|---|---|
C. Nigrini 1967 | Tribe: Euchitonida. Porodiscida with arms, the chambered arms being situated in the equatorial plane and radiating from the margin of the disk (often with terminal spines on the arms, and often with the arms joined by a patagium or chambered web). |