Crustaceans

Crustaceans

Any member of the class of arthropods that includes lobsters, crabs, shrimps, wood lice, water fleas, and barnacles.

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alice1

Beijing, China

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Crustaceans

mandible body

Animals; Crustaceans

# Inflated base (coxa) of mandible providing for attachment of mandibular muscles. # Inflated base of mandible for attachment of mandibular muscles.

fifth limb

Animals; Crustaceans

5th limb, labeled "maxilla" in many papers; controversially considered to be and labeled "1st trunk leg," "1st thoracic limb" or "maxilliped" by some podocopid specialists; use care in reading ...

# Small hook at tip of appendices internae (e.g., Caridea), one of many serving to join left and right pleopods together. Small hook at tip of appendix interna, one of many serving to interlock right ...

lateral denticle

Animals; Crustaceans

Small spine that may extend from the ventral edge of the carapace or be located on the outside of the carapace some distance above the edge.

buccal cavern

Animals; Crustaceans

# Space, especially in crabs, enclosing the mouthparts and more or less covered by third maxillipeds, defined anteriorly by epistome and laterally by pterygostomial region, sometimes by ridges.

mucro

Animals; Crustaceans

# Spine on inferoposteal angle of carapace in some Cladocera. # Spine on inferoposteal angle of carapace in some cladocera. # Sharp point at lower posterior end of carapace. (in immature forms: with ...

cervical notch

Animals; Crustaceans

# Strong indentation of carapace at level of cervical groove (e.g., scyllarid palinurans). # Strong indentation of carapace at level of cervical groove. # Transverse groove between head and trunk ...