Ammonite Phylloceras sp.
Ammonite Phylloceras sp.
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Specifications
- Found:
- Mahajanga, Madagascar
- Genus:
- Phylloceras
- Specimen size:
- Diameter 9,3 cm (3.66")
- Age:
- 100-113 mln years
- Specimen weight:
- 427 g (15.06 oz)
- Period:
- Cretaceous
Description
Phylloceras is a genus of small ammonites from the Cretaceous. The clam shells were mostly 8 to 10 cm in diameter and rarely grew to 20 cm. Numerous ammonites were predators that preyed on fish fry and invertebrates in the water column. Their shells have a smooth surface, devoid of relief outgrowths and ridges. The beautiful pattern of the lobed line resembling the interlacing of leaves and twigs catches the eye.
