Chambered Nautilus, 'Living Fossil' Depleted by International Shell Trade, Moves Toward Endangered Species Act Protection. OAKLAND, Calif.—The National Marine Fisheries Service today announced it will ...

Protection Sought for Nautilus, ... Over the past 16 years, nearly 1.7 million nautilus shell products were imported into the United States. Chambered nautilus photo by Greg J. Barord. ... It’s often ...

Like its fellow marine dweller the horseshoe crab, the chambered nautilus hasn't changed much in 400 million years. The pair are actually considered living fossils. The nautilus dominated the ...

Many fossils look desiccated and colorless after 400 million years in the ground, ... From "The Chambered Nautilus," by Oliver Wendell Holmes ... Their shell was coiled and chambered, ...

A Living Fossil Returns Allonautilus scrobiculatus, spotted again after 30 years. ... Illegal fishing and “mining” operations for nautilus shells are threatening their populations.

If you look at the fossil shells of ammonoids over the course of that 340 million years, you'll notice something striking--as time goes on, ... Nautilus shells have a similar coating.

Squires had a collection of nautiloid fossils from 50-million-year-old rocks in Washington State, and in 1988 he published a paper describing these as the oldest chambered nautilus fossils ever found.

If you look at the fossil shells of ammonoids over the course of that 340 million years, you'll notice something striking -- as time goes on, ... Nautilus shells have a similar coating.

The palm-sized ammonite, an extinct marine animal and distant relative of the modern nautilus, was fossilized with three shark teeth stuck in its shell, plus holes from the bite.

Like its fellow marine dweller the horseshoe crab, the chambered nautilus hasn’t changed much in 400 million years. The pair are actually considered living fossils. The nautilus dominated the ...

Fossil hunters digging on the Isle of Wight off the English coast found a 211-pound fossilized seashell that is about the size of a car tire. It’s a 115-million-year-old ammonite, a type of squid.