Basic info | Taxonomic history | Classification | Included Taxa |
Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Pseudoristola faceta
Original description: Test subcylindrical, usually with five post-abdominal chambers. Cephalis conical, thorax and subsequent chambers trapezoidal in outline. Earlier chambers sparsely perforate, covered with layer of microgranular silica. Post abdominal chambers consisting of one thick layer of regularly arranged pentagonal and hexagonal pore frames with three transverse rows in each chamber. Pore Frames slightly increasing in size distally. Test with H-link pattern along joints, without well-developed circumferential ridges. Final post-abdominal chamber terminating in large, inflated, spherical expansion.
Year | Name and author |
---|---|
1987 | Pseudoristola faceta Yeh p. 95 figs. Pl. 14, figs. 6, 22, 25 |
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.
|
|
||||
|
|
||||
|
|||||
|
|
||||
Source: p = phylum | |||||
Reference: Kiessling 1999 |
Age range: Early/Lower Toarcian or 183.00000 to 182.00000 Ma
Collections (7 total)
Time interval | Ma | Country or state | Original ID and collection number |
---|---|---|---|
Early/Lower Toarcian | USA (Oregon) | Pseudoristola faceta (124328 124329 124330 type locality: 124331 124333 124334 124335) |