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Arbacioida
Description | The Arbacioida are an order of sea urchins, consisting of a single family, the Arbaciidae. They are distinguished from other sea urchins by the presence of five separate plates around the anus. Unlike their close relatives, the Salenioida, all of the tubercles on their tests are of similar size. It contains these genera: From Wikipedia article at https://en.wikipedia.org/wiki/Arbacioida, which is released under the Creative Commons Attribution-Share-Alike License 3.0. | ||||||||||||||||||||||||||||||||||||||||||
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Source Data |
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Rank | order | ||||||||||||||||||||||||||||||||||||||||||
Taxonomy (GBIF) | Life : Animalia : Echinodermata : Echinoidea : Arbacioida | ||||||||||||||||||||||||||||||||||||||||||
Taxonomy (PBDB) | Life : Animalia : Echinodermata : Echinoidea : Arbacioida | ||||||||||||||||||||||||||||||||||||||||||
Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||
Classification (PBDB,GBIF) |
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Scientific Name | Arbacioida | ||||||||||||||||||||||||||||||||||||||||||
Opinions (PBDB) |
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Status (PBDB) | extant | ||||||||||||||||||||||||||||||||||||||||||
Taxon Size (PBDB) | 65 | ||||||||||||||||||||||||||||||||||||||||||
Extant Size (PBDB) | 13 (20%) | ||||||||||||||||||||||||||||||||||||||||||
First Recorded Appearance | 168 - 166 Ma Middle Jurassic | ||||||||||||||||||||||||||||||||||||||||||
Environment | marine (based on Echinodermata) | ||||||||||||||||||||||||||||||||||||||||||
Motility | slow-moving | ||||||||||||||||||||||||||||||||||||||||||
Vision | limited (based on Echinoidea) | ||||||||||||||||||||||||||||||||||||||||||
Diet | grazer | ||||||||||||||||||||||||||||||||||||||||||
Reproduction | dispersal=water,planktonic (based on Echinodermata) | ||||||||||||||||||||||||||||||||||||||||||
Ontogeny | accretion,addition of parts (based on Echinodermata) | ||||||||||||||||||||||||||||||||||||||||||
Taphonomy | high Mg calcite (based on Echinoidea) | ||||||||||||||||||||||||||||||||||||||||||
Primary Reference (PBDB) | J. W. Gregory. 1900. The Echinoidea. In E. R. Lankester (ed.), A Treatise on Zoology. Part III. The Echinodermata, A. & C. Black, London | ||||||||||||||||||||||||||||||||||||||||||
Common Name(s) | アスナロウニ | ||||||||||||||||||||||||||||||||||||||||||
Wikipedia | https://en.wikipedia.org/wiki/Arbacioida |
External Images
Fossil Distribution
Subtaxa
Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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Arbacioina ✝ suborder | listed (PBDB) | ||||
Salenioina ✝ suborder | listed (PBDB) | ||||
Acropeltidae ✝ family | accepted (GBIF) listed (PBDB) | ||||
Arbaciidae family | accepted (GBIF) listed (PBDB) | 197 | 168 Ma Middle Jurassic | 0 Ma Extant | |
Glypticidae ✝ family | accepted (GBIF) listed (PBDB) | ||||
Goniopygidae ✝ family | listed (PBDB) | ||||
Dialithocidaris ✝ genus | accepted (GBIF) listed (PBDB) | ||||
Dubarechinus ✝ genus | accepted (GBIF) listed (PBDB) | ||||
Eucosmus genus | accepted (GBIF) | No associated record in PBDB | |||
Gymnodiadema ✝ genus | accepted (GBIF) listed (PBDB) | ||||
Magnosiopsis genus | accepted (GBIF) | No associated record in PBDB | |||
Pygmaeocidaris ✝ genus | accepted (GBIF) listed (PBDB) | ||||
Tetrapygus genus | accepted (GBIF) listed (PBDB) | 1 | 0.13 Ma Pleistocene | 0 Ma Extant |
Synonymy List
Year | Name and Author |
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1915 | Arbacina Clark and Twitchell p. 31 |
1966 | Arbacioida Fell and Pawson p. U408 |
1988 | Arbacioida Linder et al. p. 948 |
1993 | Arbacioida Donovan p. 97 |
1995 | Arbacioida Smith p. 142 |
2003 | Arbacioida Berndt p. 81 |
2009 | Arbacioida Smith |
2010 | Arbacioida Kroh and Smith p. 171 |
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!