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Rhombifera
Source Data |
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Rank | class (PBDB) | |||||||||||||||||||||||||||||||||
Taxonomy (PBDB) | Life : Animalia : Echinodermata : Rhombifera | |||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Opinions (PBDB) |
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Status (PBDB) | extant | |||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 234 | |||||||||||||||||||||||||||||||||
Extant Size (PBDB) | 5 (2.1%) | |||||||||||||||||||||||||||||||||
First Recorded Appearance | 513 - 501 Ma Cambrian | |||||||||||||||||||||||||||||||||
Environment | marine (based on Echinodermata) | |||||||||||||||||||||||||||||||||
Motility | stationary, attached (based on Rhombifera) | |||||||||||||||||||||||||||||||||
Vision | blind (based on Rhombifera) | |||||||||||||||||||||||||||||||||
Diet | suspension feeder (based on Rhombifera) | |||||||||||||||||||||||||||||||||
Reproduction | dispersal=water,planktonic (based on Echinodermata) | |||||||||||||||||||||||||||||||||
Ontogeny | accretion,addition of parts (based on Echinodermata) | |||||||||||||||||||||||||||||||||
Ecospace Comments | LIFE HISTORY: Low-intermediate level tiering according to Bottjer & Ausich (1986); placed in intermediate-level epifaunal tier; stem lengths of 2-17 cm according to Brett (1984); majority of taxa would probably fall in intermediate tiering category. | |||||||||||||||||||||||||||||||||
Taphonomy | high Mg calcite (based on Echinodermata) | |||||||||||||||||||||||||||||||||
Primary Reference (PBDB) | J. J. Sepkoski, Jr. 2002. A compendium of fossil marine animal genera. Bulletins of American Paleontology 363:1-560 |
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Dichoporita β order | listed (PBDB) | 12 | 461 Ma Middle Ordovician | 452 Ma Late/Upper Ordovician | |
Glyptocystitida β order | listed (PBDB) | 3 | 499 Ma Cambrian | 453 Ma Late/Upper Ordovician | |
Hillocystida β order | listed (PBDB) | ||||
Pleurocystitida β order | listed (PBDB) | ||||
Caryocystitida β superfamily | listed (PBDB) | 100 | 467 Ma Middle Ordovician | 450 Ma Late/Upper Ordovician | |
Caryocystitidacea superfamily | listed (PBDB) | 88 | 485 Ma Cambrian | 0 Ma Extant | |
Glyptocystitidacea β superfamily | listed (PBDB) | ||||
Glyptocystitoida β superfamily | listed (PBDB) | 391 | 485 Ma Cambrian | 383 Ma Late/Upper Devonian | |
Dibrachicystidae β family | listed (PBDB) | 4 | 513 Ma Cambrian | 513 Ma Cambrian | |
Corylocrinus β genus | listed (PBDB) | 2 | 461 Ma Middle Ordovician | 453 Ma Late/Upper Ordovician | |
Cystoblastus β genus | listed (PBDB) | ||||
Eutretocystis β genus | listed (PBDB) | ||||
Heterocystites β genus | listed (PBDB) | ||||
Leptocystis β genus | listed (PBDB) | ||||
Pirocystella β genus | listed (PBDB) | 2 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician | |
Protocystis β genus | listed (PBDB) | 1 | 468 Ma Middle Ordovician | 468 Ma Middle Ordovician | |
Ptychocosmites β genus | listed (PBDB) | ||||
Rhipidocystis β genus | listed (PBDB) | 1 | 472 Ma Early/Lower Ordovician | 472 Ma Early/Lower Ordovician | |
Stribalocystites β genus | listed (PBDB) | ||||
Thomacystis β genus | listed (PBDB) | ||||
Tricosmites β genus | listed (PBDB) | ||||
Ulrichocystis β genus | listed (PBDB) | 2 | 461 Ma Middle Ordovician | 461 Ma Middle Ordovician |
Synonymy List
Year | Name and Author |
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1879 | Rhombifera Zittel |
2002 | Rhombifera Sepkoski, Jr. |
2008 | Rhombifera Zuykov et al. |
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!