| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Baltisphaeridium angulosum
Taxonomy
Baltisphaeridium angulosum was named by Heisecke (1970). It is a 3D body fossil.
Sister species lacking formal opinion data
Synonymy list
| Year | Name and author |
|---|---|
| 1970 | Baltisphaeridium angulosum Heisecke p. 253 |
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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.
†Baltisphaeridium angulosum Heisecke 1970
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Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| A. M. Heisecke 1970 | Central body with an irregular polygonal outline, bearing 12 spines (more rarely up to 15). The spines are simple, distally closed, hollow, and proximally partially filled, forming a plug. |
Measurements
No measurements are available
No ecological data are available
Age range: Late/Upper Maastrichtian or 72.20000 to 66.00000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Maastrichtian | Argentina (Neuquén) | Baltisphaeridium angulosum (235464) |