Arthopoda final revision Flashcards
what are the four sub phyla of arthropods
meristomata - trilobita - horseshoe crab
chelicerae - spiders scorpions pycogonids
uniramia - insects - mostly terrestrial, some wingless ones are semi water adapted such as silverfish, springtails
crustacea - crabs
what are some notes on meristomata
contains trilobites and sea scorpions
extinct
three lobed
what are the classes of crustacea
malocostraca
copepoda
cirrepedia
what are cirripedia
barnacles
fixed in place in adulthood
suspension feeders
some are parasitic
what are copepoda
little plankton ass fuckers
reduced abdomen
feed on phytoplankton
what are the breakdowns of malocostracans
broken into sub classes
8 6 arrangent
hoplocarida - mantis shrimp
eumalocostraca
pericarida - decapods
eucarida - iso and amphipods
what are some important members of pericarida
decapoda
euphausia - krill
what are the distinction between eucarida and pericarida
eucarida has a fused carapace and pericarida has ufused
what are the limb arrangement of pericarida
1 pair maxillaepeds
2 gnathopods
7 legs