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Meaning: Middle ?
Creature type: Arachnid arthropod


Time Period: Carboniferous
Locality: North America
Family: Mesothelae (see Trivia)
Related species: Arthrolycosa

Mesothelae are a family of primitive spiders.

Mesothelae spiders were big, like other bugs of the Carboniferous. Mesothelae would have acted like a modern trapdoor spider, by making a web underground and wait either for the prey to fall into the web, or if the prey goes too close to the entrance.


  • Mesothelae refers to the family of spiders. The makers of Walking with Monsters were originally going to use Megarachne, but it was discovered to be a type of sea scorpion. They needed to use giant spiders for the episode.

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