For 25 years, one fossil haunted science as the biggest spider ever discovered—until a shocking twist exposed the truth. Locked in a vault and misread for decades, its real identity changes everything ...

Panarthropoda, the most speciose animal group, consists of three phyla (Euarthropoda, Onychophora, and Tardigrada), all of which are considered to have originated from Cambrian lobopodians. Numerous ...

Pseudaspidapion botanicumsp. n. from China is described and figured. Its host plant is Grewia biloba G. Don var. parviflora (Bunge) Hand.-Mazz (Malvaceae: Grewioideae). The genus Harpapion Voss, 1966 ...

Author's Note: A few weeks ago, over at Dinosaur Tracking, I wrote about a revision to a classic story from Australia's prehistory printed in Cretaceous Research. Large, three-toed tracks at the 100 ...

Megarachne, (changed to Mesothelae for broadcast) restored as an enormous spider in the series Before the Dinosaurs: Walking With Monsters. Imagine that you are are standing in a massive junkyard with ...

Megarachne servinei from the Permo-Carboniferous Bajo de Véliz Formation of San Luis Province, Argentina (32 degrees 17'S, 65 degrees 25'E), was described as a giant mygalomorph spider ('tarantula') ...