Marine Sci Taxonomy

Examples: crabs, lobsters, shrimp.

Phylum: Arthropoda, Subphylum: Crustacea, Class: Malacostraca.

Examples: barnacles, copepods.

Phylum: Arthropoda, Subphylum: Crustacea, Class: Maxillopoda.

Examples: water fleas, brine shrimp.

Phylum: Arthropoda, Subphylum: Crustacea, Class: Branchiopoda.

Examples: horseshoe crabs, sea spiders.

Phylum: Arthropoda, Subphylum: Chelicerata. Class: Merostomata

Examples: chitons.

Phylum: Mollusca, Class: Polyplacophora.

Examples: octopuses, squids, cuttlefish.

Phylum: Mollusca, Class: Cephalopoda.

Examples: clams, oysters, mussels.

Phylum: Mollusca, Class: Bivalvia.

Examples: sea stars.

Phylum: Echinodermata, Class: Asteroidea.

Examples: brittle stars, basket stars.

Phylum: Echinodermata, Class: Ophiuroidea.

Examples: sea urchins, sand dollars.

Phylum: Echinodermata, Class: Echinoidea.

Examples: sea cucumbers.

Phylum: Echinodermata, Class: Holothuroidea.

Examples: tunicates, sea squirts.

Phylum: Chordata, Subphylum: Urochordata.

Example: lancelets.

Phylum: Chordata, Subphylum: Cephalochordata.

Examples: lampreys, hagfish.

Phylum: Chordata, Class: Agnatha.

Examples: sharks, rays.

Phylum: Chordata, Class: Chondrichthyes.

Examples: tuna, salmon.

Phylum: Chordata, Class: Osteichthyes.

Examples: dolphins, whales, seals.

Phylum: Chordata, Class: Mammalia.

What is the largest class of Crustacea that includes crabs and lobsters?

Malacostraca

What characteristic distinguishes the class Bivalvia?

They have two hinged shells and are filter feeders.

What class do octopuses and squids belong to?

Cephalopoda