# Scientists Find Dinosaur Blood Cells 115 Million Years Old

> Scientists discovered red blood cells in dinosaur bones 115 million years old, challenging Jurassic Park's sci-fi predictions.
- Title: Scientists Find Dinosaur Blood Cells 115 Million Years Old
- Summary: Scientists discovered red blood cells in dinosaur bones 115 million years old, challenging Jurassic Park's sci-fi predictions. Scientists found fossilized…
- Keywords: dinosaur blood, fossilized red blood cells, aratasaurus, carnivorous dinosaur, proceedings of the national academy of s, kliti grice, curtin university, national museum, heme, hemoglobin, de-extinction, colossal biosciences
- Source: Futurism — https://futurism.com/science-energy/scientists-find-dinosaur-blood-jurassic-park
- Author: Frank Landymore
- Published: 2026-11-02T22:48:05+00:00
- Read time: 1 min
- Topics: dinosaur blood, fossilized red blood cells, aratasaurus, carnivorous dinosaur, proceedings of the national academy of s, kliti grice, curtin university, national museum, heme, hemoglobin, de-extinction, colossal biosciences
## Dinosaur Blood Cells Discovered
Scientists found red blood cells in 115-million-year-old dinosaur bones from north-eastern Brazil.
## Fossilized Blood Cells in Aratasaurus
The red blood cells were found in the hind leg bones of a carnivorous dinosaur called an Aratasaurus.
## Molecular Echo of Ancient Biology
Researchers identified heme, the iron-containing molecule in blood, in the fossilized cells.
## Controversy Over Findings
Biologist Mary Schweitzer questioned if the structures are actual red blood cells due to missing nuclear bulges.
## Key takeaway

Scientists found fossilized red blood cells in 115-million-year-old dinosaur bones, proving ancient molecular preservation.