| Basic info | Taxonomic history | Classification | Included Taxa |
| Morphology | Ecology and taphonomy | External Literature Search | Age range and collections |
Parablastoidea
Taxonomy
Parablastoidea was named by Hudson (1907).
It was assigned to Pelmatozoa by Hudson (1907); to Crinozoa by Beaver et al. (1967); to Echinodermata by Sepkoski (2002); and to Blastozoa by Sprinkle and Sumrall (2008).
It was assigned to Pelmatozoa by Hudson (1907); to Crinozoa by Beaver et al. (1967); to Echinodermata by Sepkoski (2002); and to Blastozoa by Sprinkle and Sumrall (2008).
Subtaxa
Synonymy list
| Year | Name and author |
|---|---|
| 1907 | Parablastoidea Hudson |
| 1967 | Parablastoidea Beaver et al. p. S1 |
| 2002 | Parablastoidea Sepkoski |
| 2008 | Parablastoidea Sprinkle and Sumrall p. 2 |
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.
Or. †Parablastoidea Hudson 1907
show all | hide all
Fm. †Blastocystidae Jaekel 1918
hide
G. †Blastocystis
G. †Blastoidocrinus Billings 1859
hide
†Blastoidocrinus carchariaedens Billings 1859
†Blastoidocrinus nevadensis Sprinkle 1973
G. †Eurekablastus Sprinkle and Sumrall 2008
hide
†Eurekablastus ninemilensis Sprinkle and Sumrall 2008
†Eurekablastus rozhnovi Sprinkle and Sumrall 2008
G. †Meristoschisma
Diagnosis
No diagnoses are available
Measurements
No measurements are available
|
|
||||
|
|
||||
|
|||||
|
|||||
|
|
||||
|
|
||||
| Source: o = order, p = phylum | |||||
| References: Aberhan et al. 2004, Aberhan 1992 | |||||
Age range: base of the Blackhillsian to the top of the Whiterockian or 474.90000 to 457.30000 Ma
Collections (40 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Blackhillsian | USA (Nevada) | Eurekablastus ninemilensis (180654 180655) | |
| Blackhillsian | USA (Idaho) | Blastoidocrinus carchariaedens (103789) | |
| Blackhillsian | USA (Utah) | Blastoidocrinus carchariaedens (103785) Eurekablastus rozhnovi (211436) Parablastoidea indet. (180739) | |
| Rangerian | USA (Idaho) | Blastoidocrinus carchariaedens (103788) | |
| Rangerian | USA (Nevada) | Blastoidocrinus elongatus, Blastoidocrinus nevadensis (183606) Parabolablastus elongatus, Blastoidocrinus nevadensis (119435) | |
| Rangerian | USA (Utah) | Blastoidocrinus carchariaedens (103916 104061) Blastoidocrinus sp. (103787) | |
| Middle Ordovician | USA (Kentucky) | Meristoschisma hudsoni (124619) | |
| Chazyan | Canada (Quebec) | Blastoidocrinus carchariaedens (172200 172209 172350 172351 197279) Blastoidocrinus sp. (305 311 435 80006) | |
| Chazyan | USA (New York) | Blastoidocrinus carchariaedens (172180 172336) Blastoidocrinus expansa (56215) | |
| Whiterockian | USA (Utah) | Blastoidocrinus carchariaedens (103908 103911) | |
| Whiterockian | USA (Nevada) | Blastoidocrinus elongatus, Blastoidocrinus nevadensis (80073) Blastoidocrinus sp. (80078) | |
| Whiterockian | USA (California) | Blastoidocrinus carchariaedens (119483 205397) | |
| Darriwilian | USA (Nevada) | Blastoidocrinus sp. (226922 226923) | |
| Sandbian | USA (New York) | Blastoidocrinus carchariaedens (179816) | |
| Sandbian | Canada (Quebec) | Blastoidocrinus carchariaedens (182449 182450 182451 182452) Pachyocrinus crassibasalis (179813) | |
| Caradoc | USA (Tennessee) | Parablastoidea indet. (193695) |