The Mesothelae are a suborder of spiders. The division of extant members of the suborder into families has varied. A single extant family Liphistiidae may be accepted, with two subfamilies: Liphistiin
Heptathela higoensis
Liphistius malayanus, a member of the Liphistiinae
Heptathela kimurai, a member of the Heptathelinae
Qiongthela bawang, a member of the Heptathelinae
Spiders are air-breathing arthropods that have eight limbs, chelicerae with fangs generally able to inject venom, and spinnerets that extrude silk. They are the largest order of arachnids and rank sev
Mesothelae
…The Mesothelae are a suborder of spiders (order Araneae). The division of extant members of the suborder into families has varied. A single extant family Liphistiidae may be accepted, with two…
Palystes castaneus female, dorsal aspect pedipalp trichobothria carapace of prosoma (cephalothorax) opisthosoma (abdomen) eyes AL (anterior lateral) AM (anterior median) PL (posterior lateral) PM (posterior median) Leg segments: coxa trochanter femur patella tibia metatarsus tarsus claw chelicera
Palystes castaneus female, ventral aspect. Nos 1 to 14 as for dorsal aspect. sternum of prosoma pedicel (also called pedicle) book lung sac book lung stigma epigastric fold epigyne anterior spinneret posterior spinneret Legs are labelled I, II, III, IV from anterior to posterior.
A syrphid fly captured in the web of a spider