| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Amphidiadema rectangularis
Taxonomy
Amphidiadema rectangularis was named by Lentin and Williams (1976). It is not extant.
Synonymy list
| Year | Name and author |
|---|---|
| 1976 | Amphidiadema rectangularis Lentin and Williams |
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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.
†Amphidiadema rectangularis Lentin and Williams 1976
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Late/Upper Campanian to the top of the Campanian or 83.60000 to 72.20000 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Santonian - Campanian | Antarctica | Amphidiadema rectangularis (150509) | |
| Late/Upper Campanian | Antarctica | Amphidiadema rectangularis (150182) |