UWO Biology of Animals - Practical Exam 3

Phylum Arthropoda

Subphylum Chelicerata

(Order Xiphosura)

Horseshoe Crab

Phylum Arthropoda

Subphylum Chelicerata

(Order Xiphosura)

Horseshoe Crab

Phylum Arthropoda

Subphylum Chelicerata

(Order Xiphosura)

Horseshoe Crab Abdomen

Phylum Arthropoda

Subphylum Chelicerata

(Order Xiphosura)

Horseshoe Crab Cephalothorax (Cranial View)

Phylum Arthropoda

Subphylum Chelicerata

(Order Xiphosura)

Horseshoe Crab Cephalothorax (Caudal View)

Phylum Arthropoda

Subphylum Chelicerata

(Order Xiphosura)

Horseshoe Crab Chelicerae

(First Pair of Appendages)

Phylum Arthropoda

Subphylum Chelicerata

(Order Xiphosura)

Horseshoe Crab Pedipalps

(Second Pair of Appendages)

Phylum Arthropoda

Subphylum Chelicerata

(Order Xiphosura)

Horseshoe Crab Walking Legs

(Five Pairs)

Phylum Arthropoda

Subphylum Chelicerata

(Order Pycnogonida)

Sea Spider

Phylum Arthropoda

Subphylum Chelicerata

(Order Acari)

Ticks

Phylum Arthropoda

Subphylum Chelicerata

(Order Opiliones)

Harvestmen (“Daddy-Long-Legs”)

Phylum Arthropoda

Subphylum Chelicerata

(Order Scorpiones)

Scorpions

Phylum Arthropoda

Subphylum Chelicerata

(Order Araneae)

Tarantula

Phylum Arthropoda

Subphylum Chelicerata

(Order Araneae)

Spiders

Phylum Arthropoda

Subphylum Chelicerata

(Order Araneae)

Tarantula Cephalothorax

Phylum Arthropoda

Subphylum Chelicerata

(Order Araneae)

Tarantula Abdomen

Phylum Arthropoda

Subphylum Chelicerata

(Order Araneae)

Tarantula Chelicerae

Phylum Arthropoda

Subphylum Chelicerata

(Order Araneae)

Tarantula Pedipalps

Phylum Arthropoda

Subphylum Chelicerata

(Order Araneae)

Tarantula Walking Legs

(Four Pairs)

Phylum Arthropoda

Subphylum Crustacea

(Order Decapoda)

Crab

Phylum Arthropoda

Subphylum Crustacea

(Order Decapoda)

Lobster

Phylum Arthropoda

Subphylum Crustacea

(Order Decapoda)

Hermit Crab

Phylum Arthropoda

Subphylum Crustacea

(Order Decapoda)

Shrimps and Krill

Phylum Arthropoda

Subphylum Crustacea

(Order Amphipoda)

Amphipods

Phylum Arthropoda

Subphylum Crustacea

(Order Cirripedia)

Gooseneck Barnacles

Phylum Arthropoda

Subphylum Crustacea

(Order Cirripedia)

Acorn Barnacles

Phylum Arthropoda

Subphylum Hexapoda

Diptera

Phylum Arthropoda

Subphylum Hexapoda

Lepidoptera

Phylum Arthropoda

Subphylum Hexapoda

Coleoptera

Phylum Arthropoda

Subphylum Hexapoda

Hymenoptera

Phylum Arthropoda

Subphylum Hexapoda

Hemiptera

Phylum Arthropoda

Subphylum Crustacea

(Order Stomatopoda)

Mantis Shrimp

Phylum Arthropoda

Subphylum Myriapoda

Diplopoda

Phylum Arthropoda

Subphylum Myriapoda

Chilopoda

Phylum Arthropoda

Subphylum Trilobitomorpha

Trilobites

Phylum Arthropoda

Subphylum Chelicerata

(Order Acari)

Mites

Phylum Arthropoda

Subphylum Chelicerata

(Order Pseudoscorpiones)

Pseudoscorpion

Phylum Arthropoda

Subphylum Crustacea

(Order Isopoda)

Isopods

Phylum Arthropoda

Subphylum Crustacea

(Order Isopoda)

Deep Sea Isopod

Gulf of Mexico

Phylum Arthropoda

Subphylum Crustacea

(Order Copepoda)

Copepods

Phylum Arthropoda

Subphylum Crustacea

(Order Cladocera)

Water Fleas

Daphnia

Phylum Arthropoda

Subphylum Chelicerata

(Order Pseudoscorpiones)

Pseudoscorpion

Phylum Arthropoda

Subphylum Crustacea

Crayfish Head

Phylum Arthropoda

Subphylum Crustacea

Crayfish Thorax

Phylum Arthropoda

Subphylum Crustacea

Crayfish Abdomen

Phylum Arthropoda

Subphylum Crustacea

Crayfish Telson

Part of the Abdomen

Phylum Arthropoda

Subphylum Crustacea

Crayfish Uropods (Biramous)

Phylum Arthropoda

Subphylum Crustacea

Crayfish Swimmerets

Male’s are Thick. Female’s have tiny hair-like appendages

Phylum Arthropoda

Subphylum Crustacea

Crayfish Walking Legs (Uniramous)

Phylum Arthropoda

Subphylum Crustacea

Crayfish Cheliped (Uniramous)

Phylum Arthropoda

Subphylum Crustacea

Crayfish Antennule (Uniramous)

Phylum Arthropoda

Subphylum Crustacea

Crayfish Antennae (Biramous)

Phylum Arthropoda

Subphylum Crustacea

Crayfish Gill

Phylum Arthropoda

Subphylum Crustacea

Crayfish Maxilliped (Biramous)

Phylum Arthropoda

Subphylum Crustacea

Crayfish Mandibles

Phylum Arthropoda

Subphylum Crustacea

Crayfish Maxillae (Biramous)

Phylum Arthropoda

Subphylum Crustacea

Crayfish Carapace

Phylum Arthropoda

Subphylum Crustacea

Crayfish Genital Opening

Phylum Arthropoda

Subphylum Hexapoda

Grasshopper Head

Phylum Arthropoda

Subphylum Hexapoda

Grasshopper Thorax

Phylum Arthropoda

Subphylum Hexapoda

Grasshopper Abdomen

Phylum Arthropoda

Subphylum Hexapoda

Grasshopper Spiracle

External Opening

Phylum Arthropoda

Subphylum Hexapoda

Grasshopper Fore Wings

Phylum Arthropoda

Subphylum Hexapoda

Grasshopper Hind Wings

Phylum Arthropoda

Subphylum Hexapoda

Grasshopper Antennae

Phylum Arthropoda

Subphylum Hexapoda

Grasshopper Walking Legs

Phylum Arthropoda

Subphylum Hexapoda

Grasshopper Labrum

Phylum Arthropoda

Subphylum Hexapoda

Grasshopper Labial Palp

Phylum Arthropoda

Subphylum Hexapoda

Grasshopper Maxillae

Phylum Arthropoda

Subphylum Hexapoda

Grasshopper Maxillary Palp

Phylum Arthropoda

Subphylum Hexapoda

Grasshopper Labium

Labial Palps are Attached

Phylum Arthropoda

Subphylum Hexapoda

Grasshopper Mandibles

Phylum Arthropoda

Subphylum Crustacea

Amphipod

Live Organism

Phylum Chordata

Subphylum Cephalochordata

Lancelets

Phylum Chordata

Subphylum Urochordata

Adult Tunicates

Phylum Echinodermata

Class Holothuroidea

Sea Cucumber

(Lack Oral or Aboral Surface due to Bilateral Symmetry)

Phylum Echinodermata

Class Echinoidea

Sea Urchin Aristotle’s Lantern

Phylum Echinodermata

Class Echinoidea

Sea Urchin Aristotle’s Lantern

Phylum Echinodermata

Class Echinoidea

Sea Urchin

Phylum Echinodermata

Class Echinoidea

Sea Urchin Madreporite (Aboral Surface)

(Darker Band)

Phylum Echinodermata

Class Echinoidea

Sea Urchin (Oral Surface)

(The White Teeth are Aristotle’s Lantern)

Phylum Echinodermata

Class Crinoidea

Feather Star

Phylum Echinodermata

Class Echinoidea

Sand Dollar (Aboral Surface)

Phylum Echinodermata

Class Echinoidea

Sand Dollar (Oral Surface)

(Note the Madreporite is on this Surface)

Phylum Echinodermata

Class Echinoidea

Sea Biscuit (Aboral Surface)

Phylum Echinodermata

Class Echinoidea

Sea Biscuit (Oral Surface)

(Note the Madreporite is on this Surface)

Phylum Echinodermata

Class Asteroidea

Starfish

Phylum Echinodermata

Class Asteroidea

Starfish

Phylum Echinodermata

Class Asteroidea

Starfish (Oral Surface)

Phylum Echinodermata

Class Asteroidea

Starfish (Aboral Surface)

Phylum Echinodermata

Class Ophiuroidea

Brittle Star

Phylum Echinodermata

Class Ophiuroidea

Brittle Star (Aboral Surface)

Phylum Echinodermata

Class Ophiuroidea

Brittle Star (Oral Surface)

Phylum Echinodermata

Class Ophiuroidea

Brittle Stars (Preserved)

Phylum Echinodermata

Class Ophiuroidea

Basket Star

Phylum Chordata

Subphylum Urochordata

Larval Tunicate

Phylum Echinodermata

Class Asteroidea

Starfish Larva

(Note the Bilateral Symmetry)

Phylum Echinodermata

Class Asteroidea

Starfish Radial Canal

Phylum Echinodermata

Class Asteroidea

Starfish Ampullae

Phylum Echinodermata

Class Asteroidea

Starfish Tube Foot

Phylum Echinodermata

Class Asteroidea

Starfish Lateral Canal