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F r o m W i k i p e d i a , t h e f r e e e n c y c l o p e d i a
( R e d i r e c t e d f r o m H e x a p o d o i d e a )
Hexapodidae is a family of crabs , the only family in the superfamily Hexapodoidea .[1] subfamily of the family Goneplacidae ,[2] Pinnotheridae .[citation needed Its members can be distinguished from all other true crabs by the reduction of the thorax , such that only seven sternites are exposed, and only four pairs of pereiopods are present.[3] claws , this leaves only six walking legs, from which the type genus Hexapus , and therefore the whole family, takes its name. Some anomuran "crabs", such as porcelain crabs and king crabs also have only four visible pairs of legs. With the exception of Stevea williamsi Mexico , all the extant members are found either in the Indo-Pacific oceans, or around the coast of Africa .[3]
Fossil record
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In addition to the extant taxa, the family contains two genera known only from fossils – Goniocypoda Palaeopinnixa Hexapus Stevea [1] Paleocene , with unverified reports of a species in the Maastrichtian of Senegal .[3]
Genera
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The following are the genera included under Hexapodidae:[3] [4] [5]
Genera marked with † are extinct
† Eohexapus De Angeli, Guinot, & Garassino, 2010
† Eurohexapus De Angeli, Guinot, & Garassino, 2010
† Globihexapus Schweitzer & Feldmann, 2001
† Goniocypoda Woodward, 1867
Hexalaughlia Guinot, 2006
Hexapinus Manning & Holthuis, 1981
Hexaplax Doflein, 1904
Hexapus De Haan, 1833
Mariaplax Rahayu & Ng, 2014
Lambdophallus Alcock, 1900
Latohexapus Huang, Hsueh, & Ng, 2002
Paeduma Rathbun, 1897
† Palaeopinnixa Via, 1966
Parahexapus Balss, 1922
Pseudohexapus Monod, 1956
Rayapinus Rahayu & Ng, 2014
Spiroplax Manning & Holthuis, 1981
Stevea Manning & Holthuis, 1981
Thaumastoplax Miers, 1881
Theoxapus Rahayu & Ng, 2014
Tritoplax Manning & Holthuis, 1981
References
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^ Jung-Fu Huang; Pan-Wen Hsueh; Peter K. L. Ng (2002). "Crabs of the family Hexapodidae (Decapoda: Brachyura) from taiwan, with description of a new genus and new species" (PDF) . Journal of Crustacean Biology 22 3 ): 651–660. doi :10.1163/20021975-99990277
^ a b c d Carrie E. Schweitzer; Rodney M. Feldmann (2001). "Differentiation of the fossil Hexapodidae Miers, 1886 (Decapoda: Brachyura) from similar forms" (PDF) . Journal of Paleontology 75 2 ): 330–345. doi :10.1666/0022-3360(2001)075<0330:DOTFHM>2.0.CO;2 .
^ Dwi Listyo Rahayu; Peter K. L. Ng (2014). "New genera and new species of Hexapodidae (Crustacea, Brachyura) from the Indo-West Pacific and east Atlantic" (PDF) . Raffles Bulletin of Zoology 62 the original (PDF) on 2014-12-15. Retrieved 2014-12-15 .
^ Antonio De Angeli; Danièlle Guinot; Alessandro Garassino (2010). "New hexapodid crabs from the Eocene of Vicenza (NE Italy) (Crustacea, Decapoda, Brachyura, Hexapodidae)" (PDF) . Atti della Società Italiana di Scienze Naturali e del Museo Civico di Storia Naturale di Milano . 151 (1 ): 51–75.
R e t r i e v e d f r o m " https://en.wikipedia.org/w/index.php?title=Hexapodidae&oldid=1216427908 " C a t e g o r i e s : ● C r a b s ● E x t a n t P a l e o c e n e f i r s t a p p e a r a n c e s ● T a x a n a m e d b y E d w a r d J . M i e r s ● D e c a p o d f a m i l i e s H i d d e n c a t e g o r i e s : ● C S 1 : l o n g v o l u m e v a l u e ● A r t i c l e s w i t h s h o r t d e s c r i p t i o n ● S h o r t d e s c r i p t i o n i s d i f f e r e n t f r o m W i k i d a t a ● A r t i c l e s w i t h ' s p e c i e s ' m i c r o f o r m a t s ● A l l a r t i c l e s w i t h u n s o u r c e d s t a t e m e n t s ● A r t i c l e s w i t h u n s o u r c e d s t a t e m e n t s f r o m D e c e m b e r 2 0 1 9
● T h i s p a g e w a s l a s t e d i t e d o n 3 0 M a r c h 2 0 2 4 , a t 2 3 : 1 5 ( U T C ) . ● T e x t i s a v a i l a b l e u n d e r t h e C r e a t i v e C o m m o n s A t t r i b u t i o n - S h a r e A l i k e L i c e n s e 4 . 0 ;
a d d i t i o n a l t e r m s m a y a p p l y . B y u s i n g t h i s s i t e , y o u a g r e e t o t h e T e r m s o f U s e a n d P r i v a c y P o l i c y . W i k i p e d i a ® i s a r e g i s t e r e d t r a d e m a r k o f t h e W i k i m e d i a F o u n d a t i o n , I n c . , a n o n - p r o f i t o r g a n i z a t i o n . ● P r i v a c y p o l i c y ● A b o u t W i k i p e d i a ● D i s c l a i m e r s ● C o n t a c t W i k i p e d i a ● C o d e o f C o n d u c t ● D e v e l o p e r s ● S t a t i s t i c s ● C o o k i e s t a t e m e n t ● M o b i l e v i e w
