Madagascar Hermit Spider 
Magnolia Green Jumper 
Major Flatrock Spider 
Malaysian Purple Earth Tiger Tarantula 
Malaysian Purple-Femur Tarantula 
Mangora acalypha 
Mangora gibberosa 
Maratus scutulatus 
Maratus volans 
Marbled cellar spider 
Marbled orb-weaver 
Marpissa radiata 
Masked Crab Spider 
Mastophora phrynosoma 
Meadow Wolf Spider 
Mediterranean White-banded Spider 
Mediumwing Kitespider 
Melbourne trapdoor spider 
Menemerus nigli 
Menemerus taeniatus 
Meotipa impatiens 
Meotipa picturata 
Meotipa spiniventris 
Meotipa thalerorum