clam shrimp

clam shrimp

also called  claw shrimp 

      any member of the crustacean order Conchostraca (subclass Branchiopoda), a group of about 200 species inhabiting shallow freshwater lakes, ponds, and temporary pools throughout the world. Clam shrimps are so called because their entire body is contained within a bivalved shell (carapace) that resembles the shell of a small clam. Inside the shell the trunk of the animal carries up to 28 pairs of leaflike limbs that filter microscopic food particles and also assist in locomotion in those species that swim. The first two pairs of trunk limbs in the male form a claw for clasping the female during mating, hence the other common name for the group. The largest individuals are about 2 cm long. Conchostracans are abundant in the fossil record dating back to the Silurian Period (448 million to 416 million years ago).

* * *


Universalium. 2010.

Игры ⚽ Поможем сделать НИР

Look at other dictionaries:

  • Clam shrimp — Temporal range: Devonian–Recent …   Wikipedia

  • clam shrimp — noun A kind of branchiopod crustacean, of the order Conchostraca, which is covered by a bivalve shell and well adopted to live in temporary, shallow ponds …   Wiktionary

  • Graceful clam shrimp — Taxobox name=Graceful clam shrimp status=LC regnum=Animalia phylum=Arthropoda subphylum=Crustacea classis=Branchiopoda ordo=Laevicaudata familia=Lynceidae genus= Lynceus species= L. gracilicornis binomial= Lynceus gracilicornis binomial authority …   Wikipedia

  • Shrimp (disambiguation) — Shrimp can refer to:* Shrimp, a crustacean of order Decapoda within class Malacostraca, and widespread foodstuff * Mantis shrimp, a crustacean of order Stomatopoda within class Malacostraca * Opossum shrimp, crustaceans comprising orders… …   Wikipedia

  • Clam digging — Clam digger redirects here. For the trouser style, see Three quarter pants. Clam digging in Haneda, 1937 Clam digging is a common means of harvesting clams from below the surface of the tidal mud flats where they live. It is done both… …   Wikipedia

  • clam — Synonyms and related words: Chilopoda, Chordata, Dungeness crab, Echiuroidea, Ectoprocta, Entoprocta, Japanese crab, Laconian, Monoplacophora, Nemertinea, Phoronidea, Spartan, angle, bait the hook, blue point, bob, coquillage, crab, crawdad,… …   Moby Thesaurus

  • shrimp — Synonyms and related words: Chilopoda, Chordata, Dungeness crab, Echiuroidea, Ectoprocta, Entoprocta, Japanese crab, Lilliputian, Monoplacophora, Nemertinea, Phoronidea, Tom Thumb, a nobody, a nothing, angle, bait the hook, bantam, banty, blue… …   Moby Thesaurus

  • Soft-shell clam — Scientific classification Kingdom: Animalia Phylum …   Wikipedia

  • Crustaceans of Montana — Signal crayfish There are at least 30 species of crustaceans found in Montana.[1] The Montana Department of Fish, Wildlife and Parks has identified a number of crustacean species as Species of Concern …   Wikipedia

  • Triops longicaudatus — Taxobox name = Triops longicaudatus fossil range = Triassic Recent image width = 250px status = LC status system = IUCN3.1 regnum = Animalia phylum = Arthropoda subphylum = Crustacea classis = Branchiopoda infraclassis = Calamanostraca ordo =… …   Wikipedia

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”