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 …
The discovery of Entelognathus revealed the presence of maxilla, premaxilla, and dentary, supposedly diagnostic osteichthyan bones, in a Silurian placoderm. However, the …
L Li, L Lü, SA Nadler, DI Gibson, LP Zhang… - Systematic …, 2018 - academic.oup.com
Ascaridoids are among the commonest groups of zooparasitic nematodes (roundworms) and occur in the alimentary canal of all major vertebrate groups, including humans. They …
MD Brazeau, M Friedman - Zoological journal of the Linnean …, 2014 - academic.oup.com
Newly discovered fossils from the Silurian and Devonian periods are beginning to challenge embedded perceptions about the origin and early diversification of jawed vertebrates …
The two vertebrate fossil assemblages from the? Middle Triassic Ntawere Formation have been known since the 1960s, but little new work has been done since the description of …
Osteichthyans comprise two divisions, each containing over 32,000 living species [1]: Sarcopterygii (lobe-finned fishes and tetrapods) and Actinopterygii (ray-finned fishes) …
Asteracanthus was one of the most common Mesozoic hybodontiform chondrichthyans, given that remains traditionally referred to this genus have been reported almost worldwide …
Elasmobranchii are relatively well-studied. However, numerous phylogenetic uncertainties about their relationships remain. Here, we revisit the phylogenetic evidence based on a …