
Fossil Sponges - U.S. National Park Service
Sponge fossils in national parks reveal important information about geologic history and the changing life in oceans through time. Sponges played a different ecological role in the Paleozoic versus more modern oceans.
This Sponge Fossil May Be the Earliest Record of Animal Life
2021年7月28日 · Since a microscopic maze of pale streaks is the only evidence for the earliest prehistoric sponge, a camp of skeptics disagrees with the fossils’ spongeous identity.
890-million-year-old sponges may be oldest animal fossils | CNN
2021年7月28日 · Simple animal life may have existed in Earth’s oceans 890 million years ago, according to new research. Recently discovered fossils belonging to ancient sponges might be the earliest known...
“I’ve Never Seen Anything Like It Before” – Unusual 550 Million …
2024年6月12日 · Researchers led by Shuhai Xiao at Virginia Tech have discovered a 550 million-year-old sea sponge fossil, shedding light on a 160 million-year gap in the fossil record. This fossil, which suggests early sponges lacked mineral skeletons, provides new insights into the evolution of one of the earliest animals and influences how paleontologists ...
Sponges, Porifera, Fossils, Kentucky Geological Survey, University …
2023年1月5日 · Sponges are the most simple form of animal found as fossils in Kentucky. They all live in water and most live in seawater. They have a wide variety of shapes, but all have pores through which they pump large quantities of seawater.
890-million-year-old sponge fossil may be the earliest animal yet found
2021年7月28日 · 890-million-year-old sponge fossil may be the earliest animal yet found. The mesh-like fossil would push back the oldest known animal on Earth by more than 300 million years.
Fossil sponge collections - Natural History Museum
The Museum has a substantial collection of fossil sponges that contains an estimated 71,000 specimens, including more than 200 type and figured specimens. The collection also contains a number of important historical sub-collections.
Signs point to sponges as earliest animal life | MIT News ...
2009年2月4日 · Our earliest animal ancestors, it appears, were sponges -- multicellular animals that feed by passing seawater though a complex system of internal channels. And these earliest sponges may predate the Ediacarian period by as much as …
Tubes in 890-million-year-old rock may be the oldest animal fossils ...
2021年7月28日 · If confirmed, tubes in 890-million-year-old rock may be the oldest animal fossils. If the fossils turn out to be sea sponges, they’d mark a remarkably early start to animal life
Oldest animal life on Earth possibly discovered. And it’s related to ...
2021年7月28日 · That sea sponge hanging in your shower may be able to trace its evolutionary lineage to nearly a billion years ago, according to fossils that could be the oldest examples of animal life on...