Lophopilio palpinalis 
Lychas scutilus 
Lycosa godeffroyi 
Mabel Orchard Orbweaver 
Macaroeris nidicolens 
Madagascar Forest Scorpion 
Madagascar Green Lynx Spider 
Madagascar Hermit Spider 
Magnolia Green Jumper 
Major Flatrock Spider 
Malaysian Purple Earth Tiger Tarantula 
Malaysian Purple-Femur Tarantula 
Mangora acalypha 
Mangora gibberosa 
Maple Bladder-gall Mite 
Maple Erineum Mite 
Maple Spindlegall Mite 
Maratus scutulatus 
Maratus volans 
Marbled cellar spider 
Marbled orb-weaver 
Marbled Scorpion 
Marpissa radiata 
Marthana niveata