The origin of plants and their colonization of land fundamentally transformed the terrestrial
environment. Here we elucidate the basis of this formative episode in Earth history through …

The timing and nature of biotic recovery from the devastating end-Permian mass extinction
(252 Ma) are much debated. New studies in South China suggest that complex marine …

Insect parasites and parasitoids are a major component of terrestrial food webs. For
parasitoids, categorization is whether feeding activity is located inside or outside its host, if …

The ultimate driver of the end-Permian mass extinction is a topic of much debate. Here, we
used a multiproxy and paleoclimate modeling approach to establish a unifying theory …

The taxonomic diversity dynamics of pterygote insects in the Permian and Triassic at the
family/age level are considered. Different metrics of taxonomic diversity are compared …

The first and last occurrences of hexapod families in the fossil record are compiled from
publications up to end-2009. The major features of these data are compared with those of …

Immature Diptera are more diverse and abundant in fresh water than any other insect order.
The question arises whether the earliest dipterans, known from the Upper Buntsandstein of …

We describe aggregative microconchid (Lophophorata) tubes from the uppermost Permian
(upper Changhsingian) and Lower Triassic (Olenekian) lacustrine and fluvial strata of the …

The fossil record of spiders as currently known is briefly reviewed, with special reference to
Africa. The second specimen of Triassaraneus andersonorum Selden in Selden et al. 1999 …

A Triassic macrofloral assemblage is documented from the Quebrada de los Fósiles
Formation, lower unit of the Puesto Viejo Group (Mendoza, Argentina), southwestern …