Quiz 1 Flashcards
Phylum Mollusca
soft bodied, bilateral animals with a mantle, usually with a calcareous shell and a radula
Class Polyplacophora
possessing many (8) shells; chitons
Class Bivalvia
Two valves; clams, muscles, oysters, scallops
Class Scaphopoda
“bowl foot”; tusk or tooth shell
Class Gastropoda
“stomach foot”; snails, slugs, sea hares
Class Cephalopoda
“head foot”; nautiloids, squids, cuttlefish, octopods
Mantle
Fleshy “skin”, secretes shell; unique to mollusk
Foot
locomotive, burrowing
Radula
rasping feeding organ (tongue with teeth)
Cryptochiton
Phylum Mollusca
Class Polyplacophora
Amblema
Phylum Mollusca
Class Bivalvia
dissected
Pecten
Phylum Mollusca
Class Bivalvia
Scallop
Teredo
Phylum Mollusca
Class Bivalvia
Shipworm
Tridacna
Phylum Mollusca
Class Bivalvia
Pacific Giant Clam
Dentalium
Phylum Mollusca
Class Scaphopoda
Conus
Phylum Mollusca
Class Gastropoda
Simple shell
Cypraea
Phylum Mollusca
Class Gastropoda
Necklace shells, small teeth
Haliotus
Phylum Mollusca
Class Gastropoda
No hinged shell, Pores
Murex
Phylum Mollusca
Class Gastropoda
Spiked shell
Polineces
Phylum Mollusca
Class Gastropoda
Moon Snail
Nautilus
Phylum Mollusca
Class Cephalopoda
Multi-chambered shell
Loligo
Phylum Mollusca
Class Cephalopoda
Squid
Architeuthis
Phylum Mollusca
Class Cephalopoda
Giant Squid
Sepia
Phylum Mollusca
Class Cephalopoda
Cuttlefish
Octopus
Phylum Mollusca
Class Cephalopoda
Shell Parts
Periostracum (outer)
Prismatic (Middle)
Nacreous (Inner)
Planispiral
Flat spiral
Dextral
Right
Sinistral
Left
Phylum Arthropoda
Jointed appendages and chitinous exoskeleton
Subphylum Trilobita
extinct marine arthropods with 3 tagmata, 3 body “lobes”, and a biramous appendages
Subphylum Chelicerata
4 pairs of walking legs, 2 tagmata
Class Merostomata (Limulus) Class Arachnida (Tarantula)
Subphylum Crustacea
Mostly aquatic, calcified, external shell, biramous appendages, 2 pairs of antennae
Class Malacostraca (Cambarus, Callinectes, Cancer, Pagurus, Penaeus) Class Cirripedia (Balanus, Lepas)
Subphylum Uniramia
Unbranched, uniramous appendages, 1 pair of antennae, mostly terrestrial
Class Diplopodia (2 pairs of legs per segments: Millipedes) Class Chilopoda (1 pair of legs per segments: centipedes) Class Insecta (3 pairs of legs per segments: 3 tagmata, two pairs of wings)
Tagmata
fused segments
fossils
Trilobita
no antennae
Chelicerata
1 antennae
Uniramia
2 antennae
Crustacea