| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Oxytoma expansa
Taxonomy
No taxonomic data are available
Sister species lacking formal opinion data
Synonymy list
No taxonomic opinions are available
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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
No diagnoses are available
Measurements
No measurements are available
No ecological data are available
Age range: base of the Middle Oxfordian to the top of the Valanginian or 161.20000 to 132.90000 Ma
Collections (14 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Oxfordian | United Kingdom (England) | Oxytoma expansa (1904 1920 2141 2652) | |
| Early/Lower Oxfordian | United Kingdom (England) | Oxytoma expansa (4092 4093) | |
| Middle Oxfordian | United Kingdom (England) | Oxytoma expansa (4087) | |
| Late/Upper Kimmeridgian | Russian Federation (Khanty-Mansi Autonomous Okrug) | Oxytoma expansa (58778) | |
| Berriasian | Russian Federation | Oxytoma expansa (2460 2488 2489 2490) | |
| Berriasian | Russian Federation (Siberia) | Oxytoma expansa (2471) | |
| Valanginian | Russian Federation | Oxytoma expansa (2493) |