| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Firmacidaris
Taxonomy
Firmacidaris is a genus. It is not extant.
It was considered a nomen dubium by Fell and Pawson (1966).
It was assigned to Stylocidarinae by Nisiyama (1966); and to Echinoidea by Sepkoski (2002).
It was considered a nomen dubium by Fell and Pawson (1966).
It was assigned to Stylocidarinae by Nisiyama (1966); and to Echinoidea by Sepkoski (2002).
Species
Is something missing? Join the Paleobiology Database and enter the data
|
|
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
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan 1992, Kiessling 2004 | |||||
Age range: base of the Tithonian to the top of the Berriasian or 149.20000 to 137.05000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tithonian - Berriasian | Japan (Kochi) | F. neumayri (91382) |