5 subphyla - florida state universitybsc2011l/summer2009/07 09 sum mt arthropoda.pdfsubphylum....
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PHYLUM
ARTHROPODA5 SUBPHYLA:
SUBPHYLA TrilobitmorphaSUBPHYLA CrustaceaSUBPHYLA ChelicerataSUBPHYLA Myriapoda(not on Midterm)
SUBPHYLA Hexapoda(not on Midterm)
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SUBPHYLUMTrilobitmorpha
Trilobites are the most diverse group of extinct animals preserved in the fossil record.
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PHYLUM
ARTHROPODASUBPHYLUM Crustacea
5 CLASSES: (BOCCM)
CLASS Branchiopoda CLASS OstracodaCLASS CopepodaCLASS CirripediaCLASS Malacostraca
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Subphylum Crustacea
–Class Malacostraca SAID “…..”
»Order Isopoda Roly Poly & Sea Roach
»Order Amphipoda Beach hoppers
»Order Stomatopoda Krill
»Order Decapoda Crab & Lobster
…to recap
Do not need to know Orders, …….just that Roly polies are related to crabs
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SUBPHYLUM
Crustacea
Largest class4 ORDERS
Stomatopoda=Mantis Shrimp
IsopodaRoly polies & Giant Sea Roach
AmphipodaBeach Hoppersnd Fleas
DecapodaCrabs, Lobsters etc..
Class Cirripedia
Class Branchiopoda
Acorn & Stalked Barnacles
“Lung feet”
Fairy Shrimp/Sea Monkeys
Cladocerans = Water fleas
Class Malacostraca
Class Ostracoda
Class Copepoda
Fairy Shrimp
Seed Shrimp
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Can you remember how to tell a male from a female crayfish?
1st pleopod is reduced or absent in females
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Any dissected crab in the lab will not be stained like this but you should be familiar with the structures…..
SUBPHYLUM
Crustacea
The male crab has the T-shaped abdomen whereas the female abdomen is much broader
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PHYLUM
ARTHROPODASUBPHYLUM Chelicerata
3 CLASSES:CLASS Arachnida (Spiders & scorpions)
CLASS Merostomata (Horsehoe crabs)
CLASS Pycnogonida (Sea spiders)
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SUBPHYLUMChelicerata
Merostomata Arachnida
Araneae
ArachnidaAcarina
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Prosoma & Opisthosoma
Cephalothorax & Abdomen
Chelicerata Crustacea
TAGMOSIS
The line delineating the head from the thorax in the cephalothorax is the cervical groove.
Book lungs & tracheaGills