The Ostracoda have the body enclosed in a bivalve shell-covering, and normally unsegmented.
- The genus Monobrachium is a colonyforming hydroid which grows upon the shells of bivalve molluscs, each polyp having but a single tentacle.
The Acephala, or Lamellibranchiata, are commonly known as bivalve shell-fish.
The males are usually more brilliantly coloured than the females, and guard the eggs, which are often placed in a sort of nest made of the shell of some bivalve or of the carapace of a crab, with the convexity turned upwards and FIG.
C, After becoming attached, side B, Cypris-larva with a bivalve views.
An example of the latter is seen in a common little freshwater bivalve, the Pisidium pusillum, which has been studied by Lankester.
It may assume the form of a bivalve shell entirely enclosing the body and limbs, as in many 6, maxilla (second maxilla).
The sorus has a somewhat elongated receptacle, on which the sporangia arise basipetally; the indusium may be cup-shaped, bivalve or wanting.
A two-edged weapon, of which the blade is of sharks' teeth, and a defensive armour of braided sennit, are also peculiar to the islands; a large adze, made of the shell of the Tridacna gigas (the largest bivalve known), was formerly used in the Carolines, probably by the old builder race.
The common Mussel is the most common bivalve in Cornwall forming extensive beds on exposed rocky beaches.
bivalve fisheries, aquaculture, artificial reefs and fisheries data analysis and management.
In some cases a brown marl is also present, coating the ferroan calcite or directly in contact with the bivalve shell.
Bivalve: a group of mollusks with flattened bodies enclosed by a pair shells (valves) made of hard calcite.
molluscroposal mainly concerns official controls on fresh meat and live bivalve mollusks.
mollusc bivalve mollusks are similar in dimensions to the edible mussel.
Interest has been expressed in recent years over the potential to dredge for other bivalve shellfish found locally for which European markets exist.
walrus predation on the size structure of bivalve prey species.
bivalve mollusks are similar in dimensions to the edible mussel.
bivalve shellfish found locally for which European markets exist.
bivalve prey species.
The ecology of freshwater bivalve mollusks in the Allen Water University of Stirling, 1981.
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