Corystidae is a
family
Family (from la, familia) is a group of people related either by consanguinity (by recognized birth) or affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its members and of society. Idea ...
of
crabs, in its own
superfamily, Corystoidea. It includes what was once thought to be the oldest
Eubrachyura
Eubrachyura is a group of decapod crustaceans ( ranked as a "section") comprising the more derived crabs. It is divided into two subsections, based on the position of the genital openings in the two sexes. In the Heterotremata, the openings are ...
n
fossil
A fossil (from Classical Latin , ) is any preserved remains, impression, or trace of any once-living thing from a past geological age. Examples include bones, shells, exoskeletons, stone imprints of animals or microbes, objects preserved ...
, ''
Hebertides jurassica'', thought to be dating from the
Bathonian
In the geologic timescale the Bathonian is an age and stage of the Middle Jurassic. It lasted from approximately 168.3 Ma to around 166.1 Ma (million years ago). The Bathonian Age succeeds the Bajocian Age and precedes the Callovian Age.
Str ...
(
Middle Jurassic); the species was subsequently reinterpreted as being Cenozoic in age.
Corystidae contains ten extant and five extinct species in eight genera:
*''
Corystes''
Bosc, 1802
*''
Corystites''
Lőrenthey, in Lőrenthey & Beurlen, 1929
*''
Gomeza''
Gray, 1831
*''
Gomezinus'' †
Collins, Lee & Noad, 2003
*''
Harenacorystes'' †
Van Bakel, Jagt, Artal & Fraaije, 2009
*''
Hebertides'' †
Guinot, De Angeli & Garassino, 2007
*''
Jonas
Jonas may refer to:
Geography
* Jonas, Netherlands, Netherlands
* Jonas, Pennsylvania, United States
* Jonas Ridge, North Carolina, United States
People with the name
* Jonas (name), people with the given name or surname Jonas
* Jonas, one o ...
''
Hombron & Jacquinot, 1846
*''
Micromithrax'' †
Noetling, 1881
References
External links
Crabs
Extant Miocene first appearances
Decapod families
Taxa named by George Samouelle
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