| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Argoviaster
Taxonomy
Argoviaster was named by Hess (1972) [Sepkoski's age data: J Bajo-u]. It is not extant. Its type is Argoviaster occultus.
It was assigned to Neomorphasterinae by Hess (1972); and to Forcipulatida by Sepkoski (2002).
It was assigned to Neomorphasterinae by Hess (1972); and to Forcipulatida by Sepkoski (2002).
Species
A. occultus (type 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
| Reference | Diagnosis | |
|---|---|---|
| H Hess 1972 | Disk relatively small. Arms sub-cylindrical. Ambulacral plates numerous, apressed. Ambulacral pores quadriserial. Adambulacral with three short spines. Plates of the arms arranged in longitudinal and transverse rows, with small papular field at each corner. Actinolateral plates and well-differentiated marginals frequently with conical spines. Dorsal plates with reduced ornament of granules, and occasionally a central cavity. Primary pates of the disk not differentiated. |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: o = order, c = class, p = phylum | |||||
| References: Aberhan 1992, Aberhan et al. 2004 | |||||
Age range: Late/Upper Bajocian or 168.60000 to 168.20000 Ma
Collections: one only
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Late/Upper Bajocian | Switzerland | A. occultus (32036) |