Dating the tree of life is a core endeavor in evolutionary biology. Rates of evolution are
fundamental to nearly every evolutionary model and process. Rates need dates. There is …

ABSTRACT The Waterloo Farm lagerstätte in South Africa provides a uniquely well‐
preserved record of a Latest Devonian estuarine ecosystem. Ecological evidence from it is …

Background Fishes are extremely speciose and also highly disparate in their fin
configurations, more specifically in the number of fins present as well as their structure …

Until now, all known fossils of tetrapods (limbed vertebrates with digits) and near-tetrapods
(such as Elpistostege, Tiktaalik, and Panderichthys) from the Devonian period have come …

Chondrichthyes (sharks, rays, ratfish and their extinct relatives) originated and diversified in
the Palaeozoic but are rarely preserved as articulated or partly articulated remains because …

A new coelacanth genus from the Famennian (Upper Devonian) of South Africa is
described, principally from presumed juveniles. Serenichthys kowiensis gen. et sp. nov …

Chondrichthyans are one of two major clades of living jawed vertebrates, with a rich fossil
record potentially extending back to the Late Ordovician (455 million years ago, mya). The …

Here we present a new species of placoderm fish, Africanaspis edmountaini sp. nov., and
redescribe Africanaspis doryssa on the basis of new material collected from the type locality …

Most paleobotanical records from the Middle Devonian consist of stems of herbaceous
lycopsids. This group of vascular plants has a fossil record longer than any other group …

The mysterious scarcity of 'fish'in an extensive epicontinental sea has always intrigued
countless researchers who worked with the South American Devonian, especially in the …