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(“eumalacostraca” is a subclass of crustaceans, containing almost all living malacostracans, or about 40,000 described species)
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(the remaining subclasses are the Phyllocarida and possibly the Hoplocarida)
(Eumalacostracans have 19 segments (5 cephalic, 8 thoracic and 6 abdominal))
(this arrangement is known as the “caridoid facies”, a term coined by William Thomas Calman in 1909)
The thoracic limbs are jointed and used for swimming or walking.
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(the common ancestor is thought to have had a ‘carapace’, and most living species possess one, but it has been lost in some subgroups)
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*👨🔬🕵️♀️🙇♀️*SKETCHES*🙇♂️👩🔬🕵️♂️*
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*🌈✨ *TABLE OF CONTENTS* ✨🌷*
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🔥🔥🔥🔥🔥🔥🔥*we won the war* 🔥🔥🔥🔥🔥🔥🔥