| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Taxonomy
Pseudogerastos was named by Lütke (1990) [Sepkoski's age data: S Ldov-u S Wenl Sepkoski's reference number: 933]. Its type is Proetus vaningeni.
It was assigned to Proetinae by Adrain (1997); and to Proetida by Sepkoski (2002).
It was assigned to Proetinae by Adrain (1997); and to Proetida by Sepkoski (2002).
Species
Synonymy list
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. †Pseudogerastos Lütke 1990
show all | hide all
†Pseudogerastos confossus Owens 1973
†Pseudogerastos handwerki Weller 1907
†Pseudogerastos taylori Adrain 1997
†Pseudogerastos vaningeni Foerste 1923
Diagnosis
| Reference | Diagnosis | |
|---|---|---|
| J. M. Adrain 1997 | Cephalon with fine and usually subdued tubcrculate sculpture; lateral occipital lobes relatively weakly inflated, lateral occipital J'UITOWS very shallow; librigenal field broad, with prominent pitting; genal spine always present; ihoiacic axial rings inflated and strongly vaulted; pygidium with pleural bands and furrows strongly expressed 5-7 inflated axial rings that are produced postero-medially, and a sharply defined border with prominent subparallel terrace lines. |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|
||||
|
|
||||
|
|||||
|
|
||||
|
|
||||
| Source: f = family, o = order, c = class | |||||
| References: Hendy 2009, Aberhan et al. 2004, Fortey and Owens 1999 | |||||
Age range: base of the Sheinwoodian to the top of the Ludlow or 433.40000 to 423.00000 Ma
Collections (17 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Sheinwoodian | Canada (Northwest Territories) | P. forteyi (682 25974 25976) | |
| Sheinwoodian | Canada (Nunavut) | P. cocksi (25975) P. morrisi (25977) | |
| Wenlock | Canada (Northwest Territories) | P. taylori (687 691) | |
| Wenlock | USA (Arkansas) | Proetus vaningeni (26020) P. vaningeni (229058) | |
| Wenlock - Ludlow | USA (Illinois) | Proetus handwerki (24935 24936 24938) | |
| Wenlock - Ludlow | USA (Wisconsin) | Proetus handwerki (24937) | |
| Homerian | Canada (Northwest Territories) | P. taylori (25981) | |
| Homerian | United Kingdom (England) | Proetus confossus (132472) | |
| Homerian | United Kingdom | Plesiowensus confossus (165514) | |
| Ludlow | Canada (Northwest Territories) | P. taylori (692) |