Dairoidea is a
superfamily
SUPERFAMILY is a database and search platform of structural and functional annotation for all proteins and genomes. It classifies amino acid sequences into known structural domains, especially into SCOP superfamilies. Domains are functional, str ...
of
crab
Crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" (abdomen) ( el, βραχύς , translit=brachys = short, / = tail), usually hidden entirely under the thorax. They live in all the ...
s, comprising two
families
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. Ideall ...
which each contain a single genus:
Dairidae (the
living fossil
A living fossil is an extant taxon that cosmetically resembles related species known only from the fossil record. To be considered a living fossil, the fossil species must be old relative to the time of origin of the extant clade. Living fossi ...
''
Daira''
) and
Dacryopilumnidae (''
Dacryopilumnus'') .
Species
;
Dairidae
*''
Daira americana Daira may refer to:
* Daïra, a type of administrative division in parts of West Africa and Southeast Asia
* ''Daira'' (crab), a genus of crabs in the family Dairidae
* Da'ira (talisman), a circular talisman used in Bábism
* Da'ira, Yemen, a po ...
''
Stimpson, 1860
*''
Daira coronata Daira may refer to:
* Daïra, a type of administrative division in parts of West Africa and Southeast Asia
* ''Daira'' (crab), a genus of crabs in the family Dairidae
* Da'ira (talisman), a circular talisman used in Bábism
* Da'ira, Yemen, a po ...
''
Beschin, De Angeli, Checchi & Zarantonello, 2005 †
*''
Daira depressa Daira may refer to:
* Daïra, a type of administrative division in parts of West Africa and Southeast Asia
* ''Daira'' (crab), a genus of crabs in the family Dairidae
* Da'ira (talisman), a circular talisman used in Bábism
* Da'ira, Yemen, a po ...
''
(A. Milne-Edwards, 1865) †
*''
Daira perlata Daira may refer to:
* Daïra, a type of administrative division in parts of West Africa and Southeast Asia
* ''Daira'' (crab), a genus of crabs in the family Dairidae
* Da'ira (talisman), a circular talisman used in Bábism
* Da'ira, Yemen, a po ...
''
(Herbst, 1790)
*''
Daira salebrosa Daira may refer to:
* Daïra, a type of administrative division in parts of West Africa and Southeast Asia
* ''Daira'' (crab), a genus of crabs in the family Dairidae
* Da'ira (talisman), a circular talisman used in Bábism
* Da'ira, Yemen, a po ...
''
Beschin, Busulini, De Angeli & Tessier, 2002 †
*''
Daira sicula Daira may refer to:
* Daïra, a type of administrative division in parts of West Africa and Southeast Asia
* ''Daira'' (crab), a genus of crabs in the family Dairidae
* Da'ira (talisman), a circular talisman used in Bábism
* Da'ira, Yemen, a po ...
''
(Di Salvo, 1933) †
*''
Daira speciosa
''Daira speciosa'' is an extinct species of crab that lived in the Paratethys sea during the Miocene
The Miocene ( ) is the first epoch (geology), geological epoch of the Neogene Period and extends from about (Ma). The Miocene was named by ...
''
(Reuss, 1871) †
*''
Daira vulgaris''
Portell & Collins, 2004 †
;
Dacryopilumnidae
*''
Dacryopilumnus eremita
''Dacryopilumnus'' is a genus of crabs belonging to the monotypic family Dacryopilumnidae.
The species of this genus are found in Pacific and Indian Ocean.
Species:
*'' Dacryopilumnus eremita''
*''Dacryopilumnus rathbunae
''Dacryopilumnus'' ...
''
Nobili, 1906
*''
Dacryopilumnus rathbunae
''Dacryopilumnus'' is a genus of crabs belonging to the monotypic family Dacryopilumnidae.
The species of this genus are found in Pacific and Indian Ocean.
Species:
*''Dacryopilumnus eremita''
*''Dacryopilumnus rathbunae''
References
{ ...
''
Balss, 1932
References
External links
Crabs
Extant Eocene first appearances
Arthropod superfamilies
{{Crab-stub