| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Sinocystis
Taxonomy
Sinocystis was named by Reed (1917) [Sepkoski's age data: O m].
It was assigned to Calixinae by Chauvel (1966); to Diploporita by Sepkoski (2002); and to Aristocystitidae by Paul et al. (2019).
It was assigned to Calixinae by Chauvel (1966); to Diploporita by Sepkoski (2002); and to Aristocystitidae by Paul et al. (2019).
Species
Entered
by J. Sepkoski on 2003-01-23; modified by P. Novack-Gottshall on 2026-03-15
Synonymy list
| Year | Name and author |
|---|---|
| 1917 | Sinocystis Reed |
| 1966 | Sinocystis Chauvel |
| 2002 | Sinocystis Sepkoski |
| 2019 | Sinocystis Paul et al. |
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 | |
|---|---|---|
| C. R. C. Paul et al. 2019 | A genus of Aristocystitidae with a large, globular theca, four ambulacral facets, thecal plates of several generations all bearing conspicuous diplopores which may open externally in tubercles or sunken peripores in the same individual. |
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|||||
|
|
||||
|
|
||||
| Source: subp = subphylum, p = phylum | |||||
| References: Bambach et al. 2007, Aberhan 1992 | |||||
Age range: base of the Early/Lower Llanvirn to the top of the Llandeilo or 468.00000 to 458.20000 Ma
Collections (11 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Middle Ordovician | Thailand | S. loczyi (191371) | |
| Darriwilian | Iran | S. loczyi (66865) S. sp. (186095) | |
| Early/Lower Llanvirn | China (Guizhou) | S. sp. (7638) | |
| Early/Lower Llanvirn | China (Yunnan) | S. sp. (5423 5427 7290) | |
| Llanvirn | China (SiChuan) | S. sp. (7951) | |
| Late/Upper Llanvirn | China (Yunnan) | S. sp. (7283) | |
| Late/Upper Llanvirn | China (Guizhou) | S. sp. (5142) | |
| Llandeilo | China (Guizhou) | S. sp. (5141) |