Science is the poetry of Nature.
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Posts tagged "ammonites"
Ammonites Ammonites were free-swimming molluscs of the ancient oceans, living around the same time that the dinosaurs walked the Earth and disappearing during the same extinction event. They came in a range of sizes, from tiny species only a couple of centimetres across, to large ones reaching over two metres in diameter. The animal would have lived in the last and largest of a chain of spiralled chambers. Filling these chambers with fluid or gas allowed the ammonite to sink like a stone to avoid predators, though ammonite shells with toothmarks on them have been found, evidence that it didn’t always work. Fossilised shells are usually, but not always, beautiful spirals.

Ammonites

Ammonites were free-swimming molluscs of the ancient oceans, living around the same time that the dinosaurs walked the Earth and disappearing during the same extinction event. They came in a range of sizes, from tiny species only a couple of centimetres across, to large ones reaching over two metres in diameter. The animal would have lived in the last and largest of a chain of spiralled chambers. Filling these chambers with fluid or gas allowed the ammonite to sink like a stone to avoid predators, though ammonite shells with toothmarks on them have been found, evidence that it didn’t always work. Fossilised shells are usually, but not always, beautiful spirals.

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crownedrose: (by cobalt123) I have an iridescent ammonite similar to this (though mine shows more of the leafy pattern) that has been missing for a few weeks, but luckily I found it yesterday after emptying out a bag of new science books. A smaller ammonite is still on the loose, but I’m happy my iridescent Cleoniceras cleon is now safe in its display unit.

crownedrose:

(by cobalt123)

I have an iridescent ammonite similar to this (though mine shows more of the leafy pattern) that has been missing for a few weeks, but luckily I found it yesterday after emptying out a bag of new science books. A smaller ammonite is still on the loose, but I’m happy my iridescent Cleoniceras cleon is now safe in its display unit.

(via geologise)

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crownedrose: Psiloceras planorbis (Ammonite Fossil) (by cobalt123) Text from photographer: ’A large and wondrous fossil specimen, seen in the booth for Chris Moore at the Arizona Mineral & Fossil Show in Tucson, Arizona. This capture was in available light inside a vendor booth at the Ramada Ltd. I’ve never seen such fossils and certainly never knew that the ammonites I have collected for years had their earliest ancestor in these. The ammonites evolved into squid and mollusks. The identification labels these as “Lower Lias, Lower Jurassic”. The slabs were found in Somerset, England in shale. The colors are natural and there is only a bit of varnish to protect the nacre which is iridescent and glows.’

crownedrose:

Psiloceras planorbis (Ammonite Fossil) (by cobalt123)

Text from photographer: ’A large and wondrous fossil specimen, seen in the booth for Chris Moore at the Arizona Mineral & Fossil Show in Tucson, Arizona. This capture was in available light inside a vendor booth at the Ramada Ltd. I’ve never seen such fossils and certainly never knew that the ammonites I have collected for years had their earliest ancestor in these. The ammonites evolved into squid and mollusks. The identification labels these as “Lower Lias, Lower Jurassic”. The slabs were found in Somerset, England in shale. The colors are natural and there is only a bit of varnish to protect the nacre which is iridescent and glows.’

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Asker goddesu Asks:
i absolutely love when you post paleontology stuff! i was wondering if you could recommend some good paleontology blogs?
scinerds scinerds Said:

Glad you enjoy the posts! Most definitely. The list isn’t too big unfortunately, as there are not a lot of palaeontology-esque blogs out there. These are the ones I know of, follow, and love seeing on my dash everyday. Not all of them are 100% palaeontology, so just keep that in mind. They’re all worth checking out. Hope this helps :)

Answer
thekonnoisseur: Ammonite Washbasin Let us all take a moment to admire the beauty and amazingness that is the ammonite washbasin. I sure know what’s next on the installation list!

thekonnoisseur:

Ammonite Washbasin

Let us all take a moment to admire the beauty and amazingness that is the ammonite washbasin. I sure know what’s next on the installation list!

(via crownedrose)

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(by tina negus) The Marston Marble above consists of a whole lot of Promicroceras, an extinct ammonite genus from the Early Jurassic. Their shells are evolute, and are decorated by strong and simple straight ribs that flatten over the venter (belly). These ammonites are more commonly found in the United Kingdom.

(by tina negus)

The Marston Marble above consists of a whole lot of Promicroceras, an extinct ammonite genus from the Early Jurassic. Their shells are evolute, and are decorated by strong and simple straight ribs that flatten over the venter (belly). These ammonites are more commonly found in the United Kingdom.

Photo
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