Those that survived became widespread and varied during their later evolutionary radiation.

The first required element for an evolutionary radiation is a complex habitat, ready to be filled with a new suite of species.

The presence of specimens from Madagascar further strengthens this evolutionary radiation model.

In the seas, mosasaurs suddenly appeared and underwent a spectacular evolutionary radiation.

This family includes several complexes of species that are difficult to distinguish, and seem to represent a remarkable evolutionary radiation.

Over 161 extinct members and three major evolutionary radiations of the order Proboscidea have been recorded.

It is used to estimate the time of occurrence of events called speciation or Evolutionary radiation.

The first true seeds are from the upper Devonian 370-354 million years ago, which is probably the theatre of their first evolutionary radiation.

Cambrian explosion - the most famous evolutionary radiation.

(p. 116) "This explosive evolutionary radiation of the Cambrian seems to be unique.

With its relatives it represents an evolutionary radiation extending through most of the warm-temperate to tropical Americas.

It is likely that they simply did not exist, and that the molecular clock runs fast during major evolutionary radiations.

Sharks (especially the Stethacanthids) underwent a major evolutionary radiation during the Carboniferous.

Macrobioerosion, which produces borings visible to the naked eye, shows two distinct evolutionary radiations.

A major evolutionary radiation took place on Laramidia, with many major dinosaur clades known from across the island continent.

Reptiles underwent a major evolutionary radiation, in response to the drier climate that followed the rainforest collapse.

In the Early and Middle Ordovician the nautiloids underwent an evolutionary radiation.

Oryzomys appears in a different part of the oryzomyine evolutionary radiation, perhaps close to Holochilus and related genera.

Lake Malawi is noted for being the site of evolutionary radiations among several groups of animals, most notably cichlid fish.

The genus is the only evolutionary radiation of crabs to have occurred in a freshwater lake, and it occurred recently, probably since the Pliocene.

Species in this genus were part of the first placental evolutionary radiation during the Middle Eocene (50-40 mya).

Adaptive radiation is rapid evolutionary radiation.

Allodaposuchus is part of an evolutionary radiation of eusuchians that happened later in the Cretaceous as they spread to multiple continents.

More attention was given to transitional fossils and evolutionary radiation - eventually producing a much-more complete encyclopedia of invertebrate paleontology.

It is a member of the Herrerasauridae, a family of similar genera that were among the earliest of the dinosaurian evolutionary radiation.