| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Orbiculiforma kanayamaensis
Taxonomy
Orbiculiforma kanayamaensis was named by Mizutani (1981).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1981 | Orbiculiforma kanayamaensis Mizutani |
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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.
†Orbiculiforma kanayamaensis Mizutani 1981
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Diagnosis
No diagnoses are available
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: base of the Late/Upper Kimmeridgian to the top of the Late/Upper Tithonian or 152.21000 to 143.10000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Kimmeridgian | Antarctica | Orbiculiforma kanayamaensis (46960) | |
| Early/Lower Tithonian | Antarctica | Orbiculiforma kanayamaensis (46963 46972) | |
| Late/Upper Tithonian | Japan | Orbiculiforma kanayamaensis (131585 131590 131594 131596 131597 131668 131673 131822) |