Pinnotheridae is a family

Family (biology)

In biological classification, family is* a taxonomic rank. Other well-known ranks are life, domain, kingdom, phylum, class, order, genus, and species, with family fitting between order and genus. As for the other well-known ranks, there is the option of an immediately lower rank, indicated by the...

 of pea crab

Pea crab

The New Zealand pea crab, Pinnotheres novaezelandiae, is a small, parasitic crab that lives most commonly inside New Zealand green-lipped mussels. Adult females are about the size and shape of a pea, while adult males are smaller and flatter. Adult New Zealand pea crabs are completely reliant on...

s. Pea crab

Crab

True crabs are decapod crustaceans of the infraorder Brachyura, which typically have a very short projecting "tail" , or where the reduced abdomen is entirely hidden under the thorax...

s are tiny soft-bodied crabs that live commensally in the mantles of certain bivalve molluscs (and the occasional large gastropod mollusc species in genera such as Strombus

Strombus

Strombus, common name the true conchs, is a genus of medium to large sea snails with an operculum, marine gastropod mollusks in the family Strombidae, the true conchs and their immediate relatives....

and Haliotis). The earliest fossil

Fossil

Fossils are the preserved remains or traces of animals , plants, and other organisms from the remote past...

s attributable to the Pinnotheridae date from the Danian

Danian

The Danian is the oldest age or lowermost stage of the Paleocene epoch or series, the Paleogene period or system and the Cenozoic era or erathem. The beginning of the Danian age is at the Cretaceous-Tertiary extinction event...

.

Genera and species

The following is a comprehensive list of species in the family, as of 2008:
Abyssotheres

• Abyssotheres abyssicola

Afropinnotheres

• Afropinnotheres monodi
• Afropinnotheres crosnieri
• Afropinnotheres guinotae
• Afropinnotheres larissae

Alarconia

• Alarconia guinotae
• Alarconia seaholmi

Alain

• Alain crosnieri
• Alain raymondi Ahyong & Ng, 2008

Alainotheres

• Alainotheres leloeuffi

Aphanodactylus

• Aphanodactylus brevipes
• Aphanodactylus edmonsoni
• Aphanodactylus loimiae
• Aphanodactylus sibogae

Arcotheres

• Arcotheres alcocki
• Arcotheres arcophilus
• Arcotheres coarctatus
• Arcotheres exiguus
• Arcotheres guinotae
• Arcotheres latifrons
• Arcotheres latus
• Arcotheres modiolicola
• Arcotheres nudifrons
• Arcotheres palaensis
• Arcotheres pernicola
• Arcotheres placunae
• Arcotheres rayi
• Arcotheres rhombifer
• Arcotheres rotundatus
• Arcotheres similis
• Arcotheres sinensis
• Arcotheres spinidactylus
• Arcotheres tivelae
• Arcotheres winckworthi

Austinixa

• Austinixa aidae
• Austinixa behreae
• Austinixa bragantina
• Austinixa chacei — Chace pea crab
• Austinixa cristata
• Austinixa felipensis
• Austinixa gorei
• Austinixa patagonensis

Austinotheres

• Austinotheres angelicus

Buergeres

• Buergeres deccanensis
• Buergeres holothuriae
• Buergeres ortmanni
• Buergeres tenuipes

Calyptraeotheres

• Calyptraeotheres garthi
• Calyptraeotheres granti
• Calyptraeotheres hernandezi
• Calyptraeotheres politu

Clypeasterophilus

• Clypeasterophilus juvenilis
• Clypeasterophilus rugatus
• Clypeasterophilus stebbingi
• Clypeasterophilus ususfructus

Dissodactylus

• Dissodactylus crinitichelis — seabiscuit pea crab
• Dissodactylus glasselli
• Dissodactylus latus
• Dissodactylus lockingtoni
• Dissodactylus mellitae — sand-dollar pea crab
• Dissodactylus meyerabichi
• Dissodactylus nitidus
• Dissodactylus pelagicus
• Dissodactylus pinna
• Dissodactylus primitivus
• Dissodactylus schmitti
• Dissodactylus singularis
• Dissodactylus speciosus
• Dissodactylus tokyoensis
• Dissodactylus unicornis
• Dissodactylus xantusi

Durckheimia

• Durckheimia caeca
• Durckheimia carinipes
• Durckheimia lochi

Epulotheres

• Epulotheres angelae

Ernestotheres

• Ernestotheres conicola

Fabia

• Fabia byssomiae
• Fabia canfieldi
• Fabia carvachoi
• Fabia concharum — smooth mussel crab
• Fabia felderi
• Fabia melanguena
• Fabia obtusidentata
• Fabia subquadrata — grooved mussel crab
• Fabia tellinae

Gemmotheres

Gemmotheres

Gemmotheres is a monotypic genus of pea crab, which was erected in 1996 to hold the species Gemmotheres chamae . The species lives as a commensal of the corrugate jewelbox, Chama congregata....

• Gemmotheres chamae — jewel-box pea crab

Glassellia

• Glassellia costaricana

Holotheres

• Holotheres flavus
• Holotheres halingi
• Holotheres semperi
• Holotheres setnai
• Holotheres villosissimus

Holothuriophilus

• Holothuriophilus mutuensis
• Holothuriophilus pacificus
• Holothuriophilus trapeziformis

Hospitotheres

• Hospitotheres powelli

Indopinnixa

• Indopinnixa mortoni
• Indopinnixa sipunculana

Juxtafabia

• Juxtafabia muliniarum

Limotheres

• Limotheres nasutus

Nannotheres

• Nannotheres moorei

Nepinnotheres

• Nepinnotheres affinis
• Nepinnotheres africanus
• Nepinnotheres androgynus
• Nepinnotheres cardii
• Nepinnotheres glaberrimus
• Nepinnotheres pectinicola
• Nepinnotheres pinnotheres
• Nepinnotheres rathbunae
• Nepinnotheres sanqueri
• Nepinnotheres tellinae
• Nepinnotheres villosulus

Opisthopus

• Opisthopus transversus — mottled pead crab

Orthotheres

• Orthotheres glaber
• Orthotheres haliotidis
• Orthotheres laevis
• Orthotheres longipes
• Orthotheres serrei
• Orthotheres strombi — conch pea crab
• Orthotheres turboe
• Orthotheres unguifalcula

Ostracotheres

• Ostracotheres affinis
• Ostracotheres cynthiae
• Ostracotheres holothuriensis
• Ostracotheres spondyli
• Ostracotheres subglobosus
• Ostracotheres tomentipes
• Ostracotheres tridacnae

Parapinnixa

Parapinnixa

Parapinnixa is a genus of crab in the family Pinnotheridae. Originally described by Samuel Jackson Holmes as Pseudopinnixa, he published the replacement name Parapinnixa the following year, after learning of the senior homonym Pseudopinnixa Ortmann, 1894.The genus contains the following...

• Parapinnixa affinis
  Parapinnixa affinis
  Parapinnixa affinis, the California Bay pea crab, is a species of pinnotherid crab endemic to Southern California. It is a small crab that lives commensally in the tube of a tube-dwelling worm...
  
  — California bay pea crab
• Parapinnixa beaufortensis
• Parapinnixa bouvieri
• Parapinnixa cortesi
• Parapinnixa cubana
• Parapinnixa glasselli
• Parapinnixa hendersoni
• Parapinnixa magdalensis
• Parapinnixa nitida

Pinnaxodes

• Pinnaxodes chilensis
• Pinnaxodes floridensis — polkadotted pea crab
• Pinnaxodes gigas
• Pinnaxodes major
• Pinnaxodes tomentosus

Pinnixa

• Pinnixa abbotti
• Pinnixa affinis
• Pinnixa arenicola
• Pinnixa bahamondei
• Pinnixa balanoglossa
• Pinnixa barnhardti
• Pinnixa brevipollex
• Pinnixa californiensis
• Pinnixa chaetopterana
  Pinnixa chaetopterana
  Pinnixa chaetopterana, the tube pea crab, is a small decapod crustacean that lives harmlessly within the tube of the polychaete worm, Chaetopterus variopedatus.-Description:...
  
  — tube pea crab
• Pinnixa chiloensis
• Pinnixa costaricana
• Pinnixa cylindrica
• Pinnixa darwini
• Pinnixa eburna
• Pinnixa faba
  Pinnixa faba
  Pinnixa faba, known as the pea crab, mantle pea crab or large pea crab, is a pea crab which lives harmlessly within a large edible clam. This species is a symbiont of Tresus capax in its mature stage.-Description:...
  
  — mantle pea crab
• Pinnixa faxoni
• Pinnixa floridana
• Pinnixa forficulimanus
• Pinnixa franciscana
• Pinnixa fusca
• Pinnixa gracilipes
• Pinnixa haematosticta
• Pinnixa hiatus
• Pinnixa huffmani
• Pinnixa latissima
• Pinnixa leptodactyla
• Pinnixa leptosynaptae
• Pinnixa littoralis — gaper pea crab
• Pinnixa longipes — longleg pea crab
• Pinnixa lunzi — Lunz pea crab
• Pinnixa minuscula
• Pinnixa minuta
• Pinnixa monodactyla — thumbless pea crab
• Pinnixa occidentalis
• Pinnixa paitensis
• Pinnixa pearsei
• Pinnixa pembertoni
• Pinnixa penultipedalis
• Pinnixa petersi
• Pinnixa plectrophoros
• Pinnixa rapax
• Pinnixa rathbuni
• Pinnixa rectinens
• Pinnixa richardsonia
• Pinnixa salvadorensis
• Pinnixa sayana
• Pinnixa scamit
• Pinnixa schmitti — Schmitt pea crab
• Pinnixa tomentosa
• Pinnixa transversalis
• Pinnixa tubicola
• Pinnixa tumida
• Pinnixa valdiviensis
• Pinnixa valeri
• Pinnixa vanderhorsti
• Pinnixa weymouthi

Pinnotherelia

• Pinnotherelia laevigata

Pinnotheres

Pinnotheres

Pinnotheres is a genus of crabs, including the pea crab and New Zealand pea crab. Many species formerly in Pinnotheres have been placed in new genera, such as Zaops ostreus , the oyster crab...

• Pinnotheres ascidicola
• Pinnotheres atrinae
• Pinnotheres atrinicola
  Pinnotheres atrinicola
  Pinnotheres atrinicola is a small crab that lives symbiotically in the horse mussel Atrina zelandica around New Zealand. This species was recognised as being distinct from Pinnotheres novaezelandiae in 1983 .-External links:*...
  
  
• Pinnotheres barbatus
• Pinnotheres bidentatus
• Pinnotheres bipunctatus
• Pinnotheres boninensis
• Pinnotheres borradalei
• Pinnotheres corbiculae
• Pinnotheres coutieri
• Pinnotheres cyclinus
• Pinnotheres dilatatus
• Pinnotheres dofleini
• Pinnotheres edwardsi
• Pinnotheres excussus
• Pinnotheres globosus
• Pinnotheres gordonae
• Pinnotheres guerini
• Pinnotheres haiyangensis
• Pinnotheres hanumantharaoi
• Pinnotheres hemphilli
• Pinnotheres hirtimanus
• Pinnotheres hickmani
• Pinnotheres jamesi
• Pinnotheres kamensis
• Pinnotheres kutensis
• Pinnotheres laquei
• Pinnotheres lanensis
• Pinnotheres latipes
• Pinnotheres lithodomi
• Pinnotheres luminatus
• Pinnotheres mactricola
• Pinnotheres maindromi
• Pinnotheres margaritiferae
• Pinnotheres marioni
• Pinnotheres mccainae
• Pinnotheres nigrans
• Pinnotheres novaezelandiae — New Zealand pea crab
• Pinnotheres obesus
• Pinnotheres obscuridentata
• Pinnotheres obscurus
• Pinnotheres onychodactylus
• Pinnotheres orcutti
• Pinnotheres ostrea
• Pinnotheres paralatissimus
• Pinnotheres parvulus
• Pinnotheres pecteni
• Pinnotheres pectunculi
• Pinnotheres perezi
• Pinnotheres pholadis
• Pinnotheres pichilinquei
• Pinnotheres pilulus
• Pinnotheres pilumnoides
• Pinnotheres pisum — pea crab
  Pea crab
  The New Zealand pea crab, Pinnotheres novaezelandiae, is a small, parasitic crab that lives most commonly inside New Zealand green-lipped mussels. Adult females are about the size and shape of a pea, while adult males are smaller and flatter. Adult New Zealand pea crabs are completely reliant on...
  
  
• Pinnotheres pubescens
• Pinnotheres pugettensis — Puget pea crab
• Pinnotheres purpureus
• Pinnotheres quadratus
• Pinnotheres ridgewayi
• Pinnotheres rouxi
• Pinnotheres sanguinolariae
• Pinnotheres sebastianensis
• Pinnotheres serrignathus
• Pinnotheres shoemakeri
• Pinnotheres siamensis
• Pinnotheres socius
• Pinnotheres taichungae
• Pinnotheres taylori
• Pinnotheres trichopus
• Pinnotheres tsingtaoensis
• Pinnotheres vicaji

Pseudopinnixa

• Pseudopinnixa carinata

Raytheres

• Raytheres clavapedatus

Sakaina

• Sakaina asiatica
• Sakaina incisa
• Sakaina japonica
• Sakaina koreensis
• Sakaina yokoyai

Scleroplax

• Scleroplax granulata — burrow pea crab

Serenotheres

• Serenotheres besutensis

Sindheres

• Sindheres karachiensis

Tetrias

• Tetrias fischerii
• Tetrias scabripes

Tricacnatheres

• Tridacnatheres whitei

Tumidotheres

• Tumidotheres maculatus
  Tumidotheres maculatus
  Tumidotheres maculatus is a species of crab that lives commensally or parasitically in the mantle cavity of molluscs. It is found along much of the western Atlantic Ocean and was first described by Thomas Say in 1818.-Distribution:...
  
  — squatter pea crab
• Tumidotheres margarita

Tunicotheres

• Tunicotheres moseri — ascidian pea crab

Viridotheres

• Viridotheres buergeri
• Viridotheres gracilis
• Viridotheres lillyae
• Viridotheres marionae
• Viridotheres otto
• Viridotheres viridis

Visayeres

• Visayeres acron

Voeltzkowia

• Voeltzkowia zanzibarensis

Waldotheres

• Waldotheres mccainae

Xanthasia

• Xanthasia murigera

Zaops

• Zaops geddesi
• Zaops ostreus