A transitional fossil is any fossilized remains of a life form that exhibits traits common to both an ancestral group and its derived descendant group...

transition itself can only be illustrated and corroborated by transitional fossils, which will never demonstrate an exact half-way point. The fossil record...

fossils (also known as guide fossils or indicator fossils) are fossils used to define and identify geologic periods (or faunal stages). Index fossils...

Collecting fossils to study, collect or sell List of fossil sites (with link directory) List of notable fossils List of paleontologists List of transitional fossils...

(A ↔ G) or a pyrimidine nucleotide to another pyrimidine (C ↔ T) Transitional fossil, any fossilized remains of a lifeform that exhibits the characteristics...

is a recently-discovered transitional fossil. It is often used in popular science and in the media for any new transitional form. The term originated...

Romance languages, the sense of the word was extended to Baltic amber (fossil resin) from as early as the late 13th century. At first called white or...

A fossil fuel is a carbon compound- or hydrocarbon-containing material formed naturally in the Earth's crust from the buried remains of prehistoric organisms...

a fossil of the theropod dinosaur Sinosauropteryx showing evidence of feathers in the Liaoning province of China. 2004 — Tiktaalik, a transitional form...

on correlating and assigning relative ages of rock strata by using the fossil assemblages contained within them. The primary objective of biostratigraphy...

παλαιός, palaios. Paleobotany includes the study of terrestrial plant fossils, as well as the study of prehistoric marine photoautotrophs, such as photosynthetic...

dictionary. A trace fossil, also known as an ichnofossil ( /ˈɪknoʊfɒsɪl/; from Greek: ἴχνος ikhnos "trace, track"), is a fossil record of biological...

inorganic objects, markings, or impressions that might be mistaken for fossils. Pseudofossils may be misleading, as some types of mineral deposits can...

Fossil collecting (sometimes, in a non-scientific sense, fossil hunting) is the collection of the fossils for scientific study, hobby, or profit. Fossil...

systematic fossil collection, as demonstrated by a series of important discoveries in China near the end of the 20th century. Many transitional fossils have...

accessories. The company's name and logo reference the Archaeopteryx, the transitional fossil of early dinosaurs to modern dinosaurs (birds). Arc'teryx is known...

the transition of remains, parts, or products of organisms from the biosphere to the lithosphere. The term taphomorph is used to describe fossil structures...

that humans must be distantly related to all other species. Without transitional fossils, scientists presumed that humans' closest relatives were the great...

paleoecology uses data from fossils and subfossils to reconstruct the ecosystems of the past. It involves the study of fossil organisms and their associated...

well-suited for both land and water. Although transitional fossils elucidate the evolutionary transition of one life-form to another, they only exemplify...

Fossil wood, also known as fossilized tree, is wood that is preserved in the fossil record. Over time the wood will usually be the part of a plant that...

and amphibians, with a host of transitional fossils, though there are still large blank areas. The earliest known fossil vertebrates were heavily armored...

discovery an abundance of transitional fossils has both supported the conclusion and given a detailed history of the transition. The evolution of the stapes...

environment. Some pyritized fossils include Precambrian microfossils, marine arthropods and plants. Permineralized fossils preserve the original cell structure...

from geological (or even archeological) contexts, and the use of these fossils in the reconstruction of prehistoric environments and ancient ecosystems...

skeleton. These features make Archaeopteryx a clear candidate for a transitional fossil between non-avian dinosaurs and avian dinosaurs (birds). Thus, Archaeopteryx...

related fishes in the late 20th century, Ichthyostega stood alone as a transitional fossil between fish and tetrapods, combining fish and tetrapod features...

display a mosaic of shark and acanthodian features, making it a transitional fossil and further reinforcing this idea. Phylogeny after The oldest remains...

of first human settlements List of fossil primates List of fossil sites List of mummies List of transitional fossils Timeline of human evolution Timeline...

fins and other mixed characteristics mark Tiktaalik as a crucial transition fossil, a link in evolution from swimming fish to four-legged vertebrates...