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Halocyprida
| Description | The Halocyprida is one of the two orders within the Myodocopa, in turn a subclass of the ostracods. Like their relatives in the order Myodocopida, they have a long exopod on the second antenna. However, unlike myodocopids, their fifth appendage is leg-like rather than modified for feeding, their seventh limb is reduced or absent, and they have no lateral eyes. The group is primarily planktonic. There are two suborders: Halocypridina and Cladocopina. From Wikipedia article at https://en.wikipedia.org/wiki/Halocyprida, 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,PBDB) | Life : Animalia : Arthropoda : Ostracoda : Halocyprida | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxonomic Status (GBIF) | accepted | ||||||||||||||||||||||||||||||||||||||||||||||||
| Classification (PBDB,GBIF) |
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| Scientific Name | Halocyprida | ||||||||||||||||||||||||||||||||||||||||||||||||
| Opinions (PBDB) |
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| Status (PBDB) | extant | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taxon Size (PBDB) | 13 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Extant Size (PBDB) | 4 (31%) | ||||||||||||||||||||||||||||||||||||||||||||||||
| First Recorded Appearance | 260 - 254 Ma Permian | ||||||||||||||||||||||||||||||||||||||||||||||||
| Environment | hypersaline,marine,brackish,freshwater (based on Ostracoda) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Motility | actively mobile (based on Ostracoda) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Vision | limited (based on Ostracoda) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Taphonomy | low Mg calcite (based on Ostracoda) | ||||||||||||||||||||||||||||||||||||||||||||||||
| Primary Reference (PBDB) | J. W. Martin and G. E. Davis. 2001. An Updated Classification of the Recent Crustacea. Natural History Museum of Los Angeles County Science Series (39):1-124 | ||||||||||||||||||||||||||||||||||||||||||||||||
| Common Name(s) | ハロキプリダ | ||||||||||||||||||||||||||||||||||||||||||||||||
| Wikipedia | https://en.wikipedia.org/wiki/Halocyprida |
External Images
Fossil Distribution
Subtaxa
| Name | Status | Common Name(s) | Fossil Occurrences | Oldest | Youngest |
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| Halocypridina suborder | listed (PBDB) | 18 | 260 Ma Permian | 0 Ma Extant | |
| Deeveyidae family | accepted (GBIF) | No associated record in PBDB | |||
| Entomoconchoidae family | accepted (GBIF) | No associated record in PBDB | |||
| Halocyprididae family | accepted (GBIF) | No associated record in PBDB | |||
| Polycopidae family | accepted (GBIF) listed (PBDB) | 317 | 318 Ma Carboniferous | 0 Ma Extant | |
| Quasipolycopidae ✝ family | accepted (GBIF) listed (PBDB) | 4 | 296 Ma Permian | 296 Ma Permian | |
| Thaumatocyprididae family | accepted (GBIF) listed (PBDB) | 18 | 260 Ma Permian | 0 Ma Extant | |
Synonymy List
| Year | Name and Author |
|---|---|
| 1853 | Halocyprida Dana |
| 2001 | Halocyprida Martin and Davis p. 64 |
| 2013 | Halocyprida Sebe et al. p. 515 |
| 2017 | Halocyprida Forel p. 230 |
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!
