Order Scorpiones

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Morphology

• Body is divided into two main segments, the cephalothorax and opisthosoma.
• The cephalothorax comprises a prosoma consisting of eyes, chelicera (mouth-parts) pedipalps and a carapace
• The opisthosoma consistis of the mesosoma and metasoma
• The mesosoma consists of lungs, digestive tract and reproductive organs and 4 pairs of walking legs, while the metasoma forms the tail comprising 5 segments, the last containing the anus and telson (sting).
• The telson consists of the vesicle which holds a pair of venom glands and the hypodermic aculeus, (the barb used for venom injection)

Author: Ceri Thomas

Last updated: 22.11.05
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