Scientists report fossil fish preserved in desert deposits that they say fill a previously unclear gap in marine history after the asteroid impact about 66 million years ago. Sources note that while the disaster’s effects on many land ecosystems are well documented in the fossil record, less is known about what happened to marine fish in the first few million years following the dinosaur extinction event. The findings come from fossil material buried in the desert, offering evidence that fish ecosystems persist and change during the recovery period rather than disappearing immediately after the mass extinction. Researchers use the fossils to better understand how fish lineages respond and how marine biodiversity develops during the early aftermath of the impact. The work is presented as a new piece of information for reconstructing the post-extinction transition in the oceans, where preservation and sampling have historically been more limited. Overall, the studies frame the desert fossils as a way to connect marine recovery timelines with the broader global effects of the impact event.
Desert fossil fish finds reveal early recovery period after dinosaur extinction
Scientists report fossil fish preserved in desert deposits that they say fill a previously unclear gap in marine history after the asteroid impact about 66 million years ago. Sources note that while t...
- Scientists describe fossil fish discovered in desert deposits.
- The research focuses on the period immediately after the asteroid impact about 66 million years ago.
- Sources say the early post-extinction marine fish record has been less understood than land records.
- The fossils are used to shed light on how fish recover and diversify in the first few million years after the dinosaur extinction.
- All sources link the findings to filling a “missing chapter” in marine history following the mass extinction event.
When an asteroid struck Earth about 66 million years ago, it ended the age of dinosaurs and transformed life across the planet. The effects of that catastrophe are visible in the fossil record on land, but scientists know far less about what happened to fishes in the seas during the first few million years after the extinction.
2 months agoScientists know far less about what happened to fishes in the seas during the first few million years after the dinosaur extinction
2 months ago
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