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Phylum Arthropoda

Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

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Page 1: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Phylum Arthropoda

Page 2: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Phylum Arthropoda

• Protostome

• Eucoelomate

• Ecdyzoa

• Jointed Appendages

• Thick, chitin exoskeleton

• Tagmata – grouping/fusion of segments

Page 3: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Taxonomy of Artrhopods (Extant)

• Phylum Arthropoda (Extant)– Subphylum Chelicerata

• scorpions, spiders, horseshoe crabs

– Subphylum Crustacea• Aquatic mandibulates

– Subphylum Uniramia• Terrestrial mandibulates

• Phylum Arthropoda (Extinct)– Subphylum Trilobita

Page 4: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Most Life on Earth is an Arthropod

Page 5: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

SP Trilobita

Page 6: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Subphylum Chelicerata• 1st pr of appendages are chelicera

• 4 pr of walking appendages

• No mandibles

• No antennae

• Tagmata: cephalothorax & abdomen

Page 7: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments
Page 8: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

SP Chelicerata, Class Merostomata

Limulus limus – horseshoe crab

Page 9: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

SP Chelicerata, Class Merostomata

Page 10: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

SP Chelicerata, Class Pycnogonida

Page 11: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

SP Chelicerata, Class Arachnida, Order Araneae

Page 12: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Aranean Anatomy

Page 13: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Regional Poisonous Spiders

Lactrodectus mactans

Loxosceles reclusa

Page 14: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Brown Recluse Bite Victom

Page 15: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Tan Tarantula

Argiope aurantia

Aphonopelma anax

Golden Orb Spider/Garden Spider

Page 16: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Class Arachnida, Order Opiliones

Page 17: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Class Arachnida, Order Solifugae

Eremobates sp

Page 18: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Class Arachnida, Order Amblypygi

Page 19: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Class Arachnida, Order ScorpionesPaninus imperator (Emperor scorpion)

Page 20: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Lethally Poisonous Scorpions

Centruroides exilicauda

Leiurus quinquestriatus

Page 21: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Class Arachnida, Order Acari

Dermacentor variabilis American dog tick

Rhipicephalus sanguineus Brown dog tick

Rocky mountain spotted fever

Page 22: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Class Arachnida, Order AcariIxodes scapularis Deer tick

Lyme disease

Page 23: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Class Arachnida, Order Acari

Page 24: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Class Arachnida, Order AcariEutrombicula alfreddugesi Chigger

Sarcoptes scabiei scabies mite

Page 25: Phylum Arthropoda. Protostome Eucoelomate Ecdyzoa Jointed Appendages Thick, chitin exoskeleton Tagmata – grouping/fusion of segments

Class Arachnida, Order AcariDermatophagoides spp Dust mite