| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Spenceraster
Taxonomy
Spenceraster was named by Lambert (1914) [Sepkoski's age data: K Albi-u K Ceno-u]. It is not extant.
It was assigned to Goniasteridae by Lambert (1914), Spencer and Wright (1966); and to Valvatida by Sepkoski (2002).
It was assigned to Goniasteridae by Lambert (1914), Spencer and Wright (1966); and to Valvatida by Sepkoski (2002).
Species
Entered
by J. Sepkoski on 2003-01-23; modified by L. Villier on 2013-10-27
Synonyms
|
Synonymy list
| Year | Name and author |
|---|---|
| 1913 | Trachyaster Spencer |
| 1914 | Spenceraster Lambert |
| 1966 | Spenceraster Spencer and Wright p. U62 |
| 2002 | Spenceraster Sepkoski |
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.
G. †Spenceraster Lambert 1914
show all | hide all
†Spenceraster rugosus Spencer 1907
Invalid names: Trachyaster Spencer 1913 [replaced]
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
|
|
||||
| Source: f = family, c = class, p = phylum | |||||
| References: Aberhan et al. 2004, Blake 1990, Aberhan 1992 | |||||
Age range: Late/Upper Cenomanian or 100.50000 to 93.90000 Ma
Collections (5 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Early/Lower Cenomanian | France | S. rugosus (59619) | |
| Early/Lower Cenomanian | France (Normandy) | S. rugosus (59658) | |
| Early/Lower Cenomanian | France (Poitou-Charentes) | S. rugosus (73862) | |
| Late/Upper Cenomanian | France | S. rugosus (59808) | |
| Late/Upper Cenomanian | United Kingdom (England) | Trachyaster rugosus (4071) |