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Cconvictclaude.bsky.social

happy #fossilfriday! this is andrewsarchus, an enigmatic artiodactyl from eocene asia. first classified as a mesonychid, it is now considered a close relative of the entelodonts, which has significantly changed paleoartistic restorations of the animal (art by daniel eskridge)

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JKjoschuaknuppe.bsky.social

From the Triassic we jump back to the Eocene, this time Jebel Qatrani, a formation from Egypt. Early proboscideans and other funny artiodactyls. #paleostream

#paleoart #sciart
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JKjoschuaknuppe.bsky.social

We continued in the Cenozoic with the Kuldana formation from Eocene Pakistan, the birthplace of whales! #paleostream

#sciart #paleoart
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SStaphonomenon.bsky.social

A pelagornithid is bothered by a small creodont eyeing its chicks. She gives it a facefull of oil for its troubles. #paleoart#paleontology#pelagornis#cenozoic#eocene

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KKkristalerista.bsky.social

Another argument in favor of evolution: creationists actually believe in it! Their only objections to evolution beyond the family level is how long it would have to take (more than 4,000 years.) and the God thing. This is from the Ark Encounter, by the Creation Museum folks, Answers in Genesis

A plaque from the Ark Encounter, a creation museum. It features illustrations of wolves, foxes, dogs, and a diversity of canids. It says “species give rise to new species, modified characteristics develop over time and the fittest survive best. Sounds a lot like evolution, right? So what are some key differences between molecules to man evolution and the biblical creation model of changes within kinds?
A plaque from the Ark Encounter

One world, two views 
-Biblical creation model:
Life came from life, personally crafted by the uncreated god of the Bible.
-Animals were created as distinct kinds around 6,000 years ago.
-changes within kinds are the result of design features.
-no new animal kinds develop. Animals cannot change into totally new kinds
-modifications are changes in structures that already exist.
-fossils were formed quickly due to the flood and localized post-flood catastrophes.
-death is an unnatural enemy introduced by Adam (1 Corinthians 15:26); one that will be removed by Jesus Christ.

Naturalistic Evolutionary Model
-life spontaneously came from non-life; life is an unintended natural phenomenon.
-all animals have descended from a common ancestor at least 3.5 billion years ago.
-changes that animals undergo are purely undirected, natural phenomena.
-animals change into completely different animals [kinds]; the modifications are potentially unlimited.
-modifications eventually result in entirely new structures.
-over millions of years, fossils were formed gradually or in localized catastrophes.
-death, like life is a meaningless chemical phenomenon.
From the Ark Encounter: a reconstruction of a prototype-canid. It is small and fox-like with a long snout, short, pointed ears, and a long, fluffy tail.

Behind it, a background shows lines leading from it to modern canids: grey wolf, poodle, bush dog, crab eating fox, raccoon dog, etc.

A plaque says: “canids: the dog kind. The figure in the display is modeled after the extinct canid hesperocyon. Over 160 fossils of hesperocyon have been collected from Eocene and Oligocene rocks of Canada and the United States”

“Modern wolves, jackals, and foxes and other dogs belong to the family Canidae. Since they can interbreed, they are considered to be of the same created kind. This means that all post-flood canids are descended from the members of this kind that Noah brought on the Ark.”

“Canines are the only living canids, but historically there were at least two other major groups: the hesperocyonines and borophagines-the latter of which were the "bone-crushing" dogs of North America.”
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MSmu-peter.bsky.social

Ancient climate analysis reveals unknown global processes. Global Eocene-Oligocene unconformity in clastic sedimentary basins 🧪 www.sciencedirect.com/science/arti... Sedimentary basins are archives of tectonics, climate, and sea-level change.

A review of research of over a hundred geographical sites worldwide, outlining every continental landmass, has revealed a globally extensive gap in the geologic record. Credit: Bernd Dittrich/Unsplash
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Bbotuesky.bsky.social

Miacis, the primitive ancestor of cats, was a small, tree-living creature of the late Eocene period, some 45 to 50 million years ago.Miacis, the primitive ancestor of cats, was a small, tree-living creature of the late Eocene period, some 45 to 50 million years ago.

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for the EOT (Eocene-Oligocene Transition) researchers, you might be interested in this compilation/review study of the presence and nature of unconformities in association with this environmental transition (full disclosure: I was one of the reviewers) ⚒️🧪 www.sciencedirect.com/science/arti...

Global Eocene-Oligocene unconformity in clastic sedimentary basins
Global Eocene-Oligocene unconformity in clastic sedimentary basins

Global sedimentary hiatuses are well-documented in ancient pelagic sediment, and include Paleocene, Eocene-Oligocene boundary, and Miocene hiatuses. L…

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