page_title: Pinnotheridae
section_title: Genera and species
hierarchical_section_title: Pinnotheridae / Genera and species
caption_attribution_description: English: Sea Otter at Moss Landing.Sea otters usually bring up few shells, and while they eat one, they keep the rest on their tummy.
context_page_description: The Pinnotheridae are a family of tiny soft-bodied crabs that live commensally in the mantles of certain bivalve molluscs. Tunicotheres moseri is commensal with a tunicate. The earliest fossils attributable to the Pinnotheridae date from the Danian.
context_section_description: This is a comprehensive list of species in the family, as of 2008:
  
  
   
  Abyssotheres
  Afropinnotheres
  Alarconia
  Alain
  Alain crosnieri
  Alain raymondi Ahyong & Ng, 2008
  Alainotheres
  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 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 novaezelandiae — New Zealand pea crab
  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 affinis — 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 — tube pea crab
  Pinnixa chiloensis
  Pinnixa costaricana
  Pinnixa cylindrica
  Pinnixa darwini
  Pinnixa eburna
  Pinnixa faba — 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
  Pinnix
caption: A yellow pea crab (exact genus and species unknown) has fallen out of the clam this sea otter is eating, and has landed on the sea otter's neck (in Moss Landing, California)
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