Megamonodontium

Megamonodontium
Temporal range: Miocene
Holotype specimen (AM F.145559)
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Subphylum: Chelicerata
Class: Arachnida
Order: Araneae
Infraorder: Mygalomorphae
Family: Barychelidae
Genus: Megamonodontium
McCurry et al., 2023
Species:
M. mccluskyi
Binomial name
Megamonodontium mccluskyi
McCurry et al., 2023

Megamonodontium mccluskyi (Mygalomorphae: Barychelidae) is an extinct species of spider from the Miocene (16–11 million years ago). Its fossil was discovered in June 2020 in New South Wales, Australia, at McGraths Flat fossil site, by Dr Simon McClusky. It is the first fossil of the Barychelidae family ever found.


Megamonodontium is the 2nd largest spider in the fossil record, along with the Middle Jurassic spider from China, Mongolorachne. With a leg span of 50 millimeters. (2 inches long) There could be even larger spiders out there in the fossil record.