"eumalacostraca"

*EUCARIDA*

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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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📚📖|/\-*WIKI-LINK*-/\|📖📚

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👈👈👈☜*“MALACOSTRACA”* ☞ 👉👉👉

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*🌈✨ *TABLE OF CONTENTS* ✨🌷*

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