| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Paratisoa
Taxonomy
Synonymy list
| Year | Name and author |
|---|---|
| 1972 | Paratisoa Gaillard |
| 1975 | Paratisoa Hantzschel |
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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.
G. †Paratisoa Gaillard 1972
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| W. Hantzschel 1975 | Series of branching, straight to curved galleries (up to 40 mm in diameter) with a small, characteristic axial tube (about 4 mm in diameter); size of entire burrow system as much as 55 cm; branching can be either T- or Y-shaped; galleries may also possess distinct swellings and are commonly calcareous; axial tube commonly filled with ferruginous material. |
Measurements
No measurements are available
No ecological data are available
Age range: base of the Middle Oxfordian to the top of the Late/Upper Oxfordian or 161.20000 to 155.70000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Oxfordian - Late/Upper Oxfordian | France | P. contorta (13116) |