Since Fredholm (1988a, 1988b), little has been done in vertebrate
taxonomy on Gotland.
In fact, "fish have a high degree of behavioural plasticity and compare favourably to humans and other terrestrial vertebrates
across a range of intelligence tests.
Using micron resolution X-ray imaging, they showed how a series of fossils, with a 410 million year old armoured fish called Romundina at its centre, documents the step-by-step assembly of the face during the evolutionary transition from jawless to jawed vertebrates
Up until now it had been thought the anatomical peculiarities of bony fishes, the group that would eventually give rise to human beings, are specialisations that arose later in vertebrate
evolutionary history in our own bony fish lineage.
Called placoderms, these extinct animals were among the earliest vertebrates
Survey Work in Central Georgia: Although the diversity of small mammals in central Georgia is relatively well documented (3), (4), few have reported the occurrence of amphibians, reptiles, and small mammals.
The paper describes the steps leading to a toroidal bilayer, mimicking the vertebrate
Overview of the New Vertebrate
On the fresh exposure near the top of the outcrop, there were what appeared to be vertebrate
burrows in a weakly developed paleosol.
Individual Eastern Bluebirds (Sialia sialis), a congeneric species, which is also primarily dependent upon insects and small fruits (Gowaty and Plissner 1998), have occasionally been observed capturing vertebrate
prey, such as snakes (Flanigan 1971) and shrews (Pinkowski 1974).
Titration of saliva collected in vitro from infected mosquitoes may not accurately estimate titers transmitted during blood feeding, and infection by needle injection may affect vertebrate
In 1997, wrote Tom Bethell in The Politically Incorrect Guide to Science (2005), "British embryologist Michael Richardson and an international team compared Haeckel's drawings with photographs of actual vertebrate
embryos, demonstrating conclusively that the drawings misrepresented the truth.