Search results
Results From The WOW.Com Content Network
Early fossil tetrapods have been found in marine sediments, and because fossils of primitive tetrapods in general are found scattered all around the world, they must have spread by following the coastal lines — they could not have lived in freshwater only. Fossil Illuminates Evolution of Limbs from Fins Scientific American, 2 2 April 2004.
The study of prehistoric fish is called paleoichthyology. A few living forms, such as the coelacanth are also referred to as prehistoric fish, or even living fossils, due to their current rarity and similarity to extinct forms. Fish which have become recently extinct are not usually referred to as prehistoric fish.
The oldest identified coelacanth fossils are around 420–410 million years old, dating to the early Devonian. [ 1 ] [ 48 ] Coelacanths were never a diverse group in comparison to other groups of fish, and reached a peak diversity during the Early Triassic (252–247 million years ago), [ 49 ] coinciding with a burst of diversification between ...
Millions of prehistoric marine fossils were discovered beneath a California high school over the course of a multi-year construction project. The relics recovered at San Pedro High School included ...
A new study led by scientists at the Royal Ontario Museum (ROM), after analyzing pristine fossil samples from the Burgess Shale in British Columbia, concluded that O. alata was likely one of the ...
Benton, M.J. (1998) "The quality of the fossil record of the vertebrates" Archived 25 August 2012 at the Wayback Machine Pages 269–303 in Donovan, S.K. and Paul, C.R.C. (eds), The adequacy of the fossil record. Wiley. ISBN 9780471969884. Cloutier, R. (2010). "The fossil record of fish ontogenies: Insights into developmental patterns and ...
Some 23-million-year-old fossils of arapaima or a very similar species have been found in the Miocene Villavieja Formation of Colombia. [21] Museum specimens are found in France, England, the United States, Brazil, Guyana, Ecuador and Perú. [13] This makes them some of the oldest known species of freshwater fish. [22]
Fossilised lump of 66 million-year-old animal vomit (Museum of East Zealand) They concluded the fossil vomit contained two species of sea lilies that were likely eaten by a fish.