Category Archives: Fossils

Is Homo naledi your “relative,” “ancestor,” or “part of the human family tree”?

On September 10 2015, an open-access article on the journal eLife (downloadable at http://elifesciences.org/content/4/e09560) presented to the scientific community the newest addition of a species to the hominid fossil record: Homo naledi [1] (Fig. 1). A well-orchestrated unveiling of the … Continue reading

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Patterns in the Fossil Record, Part 2

Balancing extremes A general note of caution is necessary in the discussion of patterns in the fossil record. As with many other aspects of the natural world, the complexity that we find in this field of study tends to transcend … Continue reading

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Patterns in the fossil record, part 1

Fossils are remains of organisms or traces of their activity preserved in the rock record. The scientific significance of fossils is truly remarkable, because they represent the only available archive of past forms of life. Through fossils, not only can … Continue reading

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The Cambrian Explosion

Texbooks describe the fossil record as the ‘best evidence’ for evolution. They claim that the fossil record proves evolution because there seems to be a succession from simpler to more complex life forms, and a succession from marine to terrestrial … Continue reading

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Pterosaurs of the Triassic

Introduction There are only three known groups of volant vertebrates. Two are extant: birds and bats. The third group is completely extinct and known only from fossils: pterosaurs. Often referred to colloquially as “pterodactyls”, pterosaurs are a diverse group of … Continue reading

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Lazarus Species

Since at least the time of William Smith – around the turn of the 19th century – as data have accrued, it has become progressively clearer that geologic strata contain an ordered arrangement of fossils. Trilobites are found in Paleozoic … Continue reading

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Fossil evolutionary intermediates

Creationists and evolutionists have disagreed over intermediate fossils for decades.  An intermediate fossil is one that seems to be an evolutionary transition between two groups of organisms.  If all life was the result of evolution, there must have been innumerable … Continue reading

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