32.15 CTS OPALAIZED DENTALIUM FOSSILS-ELEPHANT TUSK. [M-FOSSIL203]

onderwerp informatie

Afmetingen (mm) 36 x 22 x 13mm
Gewicht (karaat) 32.15 karaat
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OPALAIZED DENTALIUM FOSSIL

This is a natural specimen in its host rock.

It was mined in coober pedy.

We have taken the photo wet to high light the fossils.In some specimens you will see bits of opal and fossilized shells.

The mantle of Dentalium species is entirely within the shell. The foot extends from the larger end of the shell, and is used to burrow through the substrate. They position their head down in the substrate, with the apical end of the shell (at the rear of the animal’s body) projecting up into the water. These molluscs live on seafloor sediment, feeding on microscopic organisms, detritus and foraminiferans.

The shells are conical and curved in a planispiral way, and they are usually whitish in color. Because of these characteristics, the shell somewhat resembles a miniature elephant’s tusk. They are hollow and open at both ends; the opening at the larger end is the main or anterior aperture of the shell. The smaller opening is known as the apical aperture

As we have wet the specimen the weight is a guide only


OPALAIZED DENTALIUM FOSSIL

This is a natural specimen in its host rock.

It was mined in coober pedy.

We have taken the photo wet to high light the fossils.In some specimens you will see bits of opal and fossilized shells.

The mantle of Dentalium species is entirely within the shell. The foot extends from the larger end of the shell, and is used to burrow through the substrate. They position their head down in the substrate, with the apical end of the shell (at the rear of the animal’s body) projecting up into the water. These molluscs live on seafloor sediment, feeding on microscopic organisms, detritus and foraminiferans.

The shells are conical and curved in a planispiral way, and they are usually whitish in color. Because of these characteristics, the shell somewhat resembles a miniature elephant’s tusk. They are hollow and open at both ends; the opening at the larger end is the main or anterior aperture of the shell. The smaller opening is known as the apical aperture

As we have wet the specimen the weight is a guide only


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Bodverhoging $1
Openingsbod $44
Veiling-ID 1103410
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begint 17th Jul 2021 3:40pm PDT
Loopt af 19th Jul 2021 9:03pm PDT

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