| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Cassiduloidea
Taxonomy
Cassiduloidea was named as an order. It is not extant.
It was reranked as the superfamily Cassiduloidea by Kew (1920).
It was assigned to Spatangina by Kew (1920); and to Echinoidea by Suter (1994).
It was reranked as the superfamily Cassiduloidea by Kew (1920).
It was assigned to Spatangina by Kew (1920); and to Echinoidea by Suter (1994).
Subtaxa
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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.
Or. †Cassiduloidea
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G. †Neolampas Agassiz 1869
G. †Oligopodia Duncan 1889
G. †Porterpygus Baker 1983
Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: c = class, p = phylum | |||||
| References: Kiessling 2004, Aberhan 1992 | |||||
Age range
Maximum range based only on fossils: Middle Miocene or 15.97000 to 11.60800 Ma
Minimum age of oldest fossil (stem group age): 11.608 Ma
Minimum age of oldest fossil (stem group age): 11.608 Ma
Collections (2 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Miocene | Fiji | Oligopodia tapeina (68292) | |
| Middle Miocene | Italy (Sardinia) | Conolampas sp. (187333) |