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Blastozoa
| Source Data |
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| Rank | subphylum (PBDB) | ||||||||||||||||||||||||||||||
| Taxonomy (PBDB) | Life : Animalia : Echinodermata : Blastozoa | ||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Opinions (PBDB) |
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| Status (PBDB) | extant | ||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 776 | ||||||||||||||||||||||||||||||
| Extant Size (PBDB) | 6 (0.77%) | ||||||||||||||||||||||||||||||
| First Recorded Appearance | 530 - 516 Ma Cambrian | ||||||||||||||||||||||||||||||
| Environment | marine (based on Echinodermata) | ||||||||||||||||||||||||||||||
| Motility | stationary (based on Blastozoa) | ||||||||||||||||||||||||||||||
| Diet | suspension feeder (based on Blastozoa) | ||||||||||||||||||||||||||||||
| Reproduction | dispersal=water,planktonic (based on Echinodermata) | ||||||||||||||||||||||||||||||
| Ontogeny | accretion,addition of parts (based on Echinodermata) | ||||||||||||||||||||||||||||||
| Ecospace Comments | LIFE HISTORY: Erect, non-motile attached/unattached, suspension feeder according to Bambach et al (2007). | ||||||||||||||||||||||||||||||
| Taphonomy | high Mg calcite (based on Echinodermata) | ||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | Y. Zhao, R. L. Parsley, and J. Peng. 2008. Basal Middle Cambrian short-stalked eorinoids from the Kali Biota: Guizhou Province, China. Journal of Paleontology 82(2):415-422 | ||||||||||||||||||||||||||||||
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Coronoidea ✝ class | listed (PBDB) | 83 | 466 Ma Middle Ordovician | 433 Ma Silurian | |
| Eocrinoidea ✝ class | listed (PBDB) | 224 | 530 Ma Cambrian | 433 Ma Silurian | |
| Paracrinoidea class | listed (PBDB) | 116 | 468 Ma Middle Ordovician | 458 Ma Late/Upper Ordovician | |
| Rhombifera class | listed (PBDB) | 613 | 513 Ma Cambrian | 0 Ma Extant | |
| Soluta ✝ class | listed (PBDB) | 49 | 516 Ma Cambrian | 419 Ma Early/Lower Devonian | |
| Blastoidea ✝ subclass | listed (PBDB) | 479 | 461 Ma Middle Ordovician | 252 Ma Permian | |
| Parablastoidea ✝ order | listed (PBDB) | 41 | 479 Ma Early/Lower Ordovician | 458 Ma Middle Ordovician | |
| Rhombifera ✝ order | listed (PBDB) | 136 | 479 Ma Early/Lower Ordovician | 427 Ma Silurian | |
| Felbabkacystidae ✝ family | listed (PBDB) | 2 | 513 Ma Cambrian | 513 Ma Cambrian | |
| Lepidocystidae ✝ family | listed (PBDB) | 6 | 516 Ma Cambrian | 513 Ma Cambrian |
Synonymy List
| Year | Name and Author |
|---|---|
| 1973 | Blastozoa Sprinkle |
| 1984 | Blastozoa Bockelie |
| 2006 | Blastozoa Parsley and Zhao p. 1063 |
| 2008 | Blastozoa Zhao et al. p. 419 |
| 2008 | Blastozoa Zuykov et al. |
| 2014 | Blastozoa Noailles et al. p. 459 |
| 2018 | Blastozoa Lefebvre and Lerosey-Aubril |
References
Data courtesy of: PBDB: The Paleobiology Database, Creative Commons CC-BY licenced. , GBIF: the Global Biodiversity Information Facility, various licences, iDigBio, various licences, and EOL: The Encyclopedia of Life (Open Data Public Domain). Because fossils are made of minerals too!
