Ammonites (Ammonoidea) are an extinct subclass of squids (Cephalopods)
They were marine animals that were found in large numbers worldwide, they were found as fossils.
Ammonites had a flat spiral-shaped shell composed of several chambers.
Each time the animal was too large for its chamber, a new larger outer chamber was formed.
In this outer chamber the animal lived, it used the other empty chambers among other things as a means of moving vertically.
The ammonite excreted gas in these chambers to control the rising force on the shell.
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- Disco compuesto de amonita con soporte
- Periodo geológico
- CRETÁCICO - Cretácico inferior (100,5 - 145,0 millones de años)
- En buen estado
- Compuesto, Conservado, Pulido
- 110×110×50 mm
- 380 g