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Amphidiadema

Taxonomy
Amphidiadema was named by Cookson and Eisenack (1960). It is not extant. Its type is Amphidiadema denticulata.

It was assigned to Dinophyceae by Andrews (1970); and to Myzozoa by Keating (1992).

Species
A. denticulata (type species), A. rectangularis

Synonymy list
YearName and author
1960Amphidiadema Cookson and Eisenack
1970Amphidiadema Andrews
1992Amphidiadema Keating

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RankNameAuthor
—Life
—Eukaryota()
—Chromalveolata
RankNameAuthor
—Alveolata
—Myzozoa
genusAmphidiademaCookson and Eisenack 1960

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. †Amphidiadema Cookson and Eisenack 1960
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†Amphidiadema denticulata Cookson and Eisenack 1960
†Amphidiadema rectangularis Lentin and Williams 1976
Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available

Age range: base of the Santonian to the top of the Campanian or 85.70000 to 72.20000 Ma

Collections (4 total)


Time interval Ma Country or state Original ID and collection number
Santonian85.7 - 83.6Antarctica A. denticulata (83338)
Santonian - Campanian85.7 - 72.2Antarctica A. denticulata, A. rectangularis (150509)
Campanian83.6 - 72.2Antarctica A. denticulata (83352)
Late/Upper Campanian83.6 - 72.2Antarctica A. denticulata, A. rectangularis (150182)