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Ramuspiculum
Taxonomy
Ramuspiculum was named by Won and Iams (2002). Its type is Ramuspiculum multiramosum.
It was assigned to Palaeospiculumidae by Won and Iams (2002); and to Palaeospiculidae by Noble et al. (2017).
It was assigned to Palaeospiculumidae by Won and Iams (2002); and to Palaeospiculidae by Noble et al. (2017).
Species
Synonymy list
| Year | Name and author |
|---|---|
| 2002 | Ramuspiculum Won and Iams p. 29 |
| 2017 | Ramuspiculum Noble et al. p. 436 |
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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. †Ramuspiculum Won and Iams 2002
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†Ramuspiculum curvatum Won and Iams 2002
†Ramuspiculum multiramosum Won and Iams 2002
†Ramuspiculum trifurcatum Won and Iams 2002
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| M.-Z. Won and W. J. Iams 2002 | A point-centered spicular skeleton of four to six rays, rays with three to five radially arranged spinules at one position near their mid-points. Ray repeatedly as many as five times trifurcate at their tips. |
Measurements
No measurements are available
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| Source: p = phylum | |||||
| Reference: Kiessling 1999 | |||||
Age range: Trempealeauan or 492.50000 to 485.40000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Trempealeauan | Canada (Newfoundland and Labrador) | R. curvatum, R. multiramosum, R. trifurcatum (90971) |