Ammonite fossils discovery in the Philippines


In this video, “Ishmiel tells us a little about ammonites from Morocco.”

From the Business Mirror in the Philippines:

100 million year old fossil found in Bicol

April, 04 2010

A joint team of Filipino and Japanese scientists has discovered on this island in Bicol ammonite fossils said to be 100 million years old, the Catanduanes Tribune said in its March 24 issue.

Discovered at the Silungan ng Higante (Giant’s Haven) deep in the forest of Dugui Wala, barangay San Vicente in this capital town in Bicol region in the south of Luzon, Dr. Yasanuri Shigeta of the National Museum for Nature and Science (NMNS) in Tokyo, Japan, said last week that they found the fossils of nine ammonite species in the area, the first of its kind found in Southeast Asia.

Classified among prehistoric animals, the Nationalgeographic.com said ammonites first appeared about 240 million years ago, though they descended from straight-shelled cephalopods called Bacrites that date back to the Devonian, about 415 million years ago.

Ammonites were predatory, squid-like creatures that lived inside coil-shaped shells. They were prolific breeders, lived in schools and are among the most abundant fossils found today. They went extinct with the dinosaurs 65 million years ago. Scientists use the various shapes and sizes of ammonite shells that appeared and disappeared through the ages to date other fossils.

The most important among the species found by the team, Shigeta said in the Tribune article, is the Mortoniceras, the first found in Southeast Asia.

Although the species is believed to be widely distributed in North America, Japan and India, Shigeta said, none had been found in those areas. …

The team also found part of a fossil of a belemnite, an extinct group of marine cephalopods very similar to the squid and closely related to the cuttlefish, the news report said.

The belemnites possessed an ink sac, but unlike the squid, they had 10 arms and no tentacles. The part that remained of the belemnite, which could be as long as three meters or 10 feet, is the back part of the shell and it looks like a slender bullet, the Tribune said.

Half-billion-year-old Burgess Shale fossil may be first ancestor of squid: here.

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1 thought on “Ammonite fossils discovery in the Philippines

  1. Pingback: Did squid eat Jurassic ammonites? | Dear Kitty. Some blog

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