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Praeconocaryomma mamillaria
Taxonomy
Heliosphaera mamillaria was named by Rüst (1898).
It was recombined as Praeconocaryomma mamillaria by Pessagno (1977).
It was recombined as Praeconocaryomma mamillaria by Pessagno (1977).
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1898 | Heliosphaera mamillaria Rüst |
| 1977 | Praeconocaryomma mamillaria Pessagno |
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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.
†Praeconocaryomma mamillaria Rüst 1898
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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 Middle Toarcian to the top of the Late/Upper Oxfordian or 182.00000 to 155.70000 Ma
Collections (6 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Pliensbachian - Toarcian | Russian Federation | Praeconocaryomma mamillaria (51574) | |
| Middle Toarcian | Canada (British Columbia) | Praeconocaryomma mamillaria (71084) | |
| Middle Toarcian - Late/Upper Toarcian | Canada (British Columbia) | Praeconocaryomma mamillaria (71095 71096 71099) | |
| Late/Upper Oxfordian | Germany (Bavaria) | Praeconocaryomma mamillaria (58492) |