11.30-cts DENTALIUM SHELL PARCEL FO-843

Item Information

Dimensions (mm) 11.3 x 2.2 x 1.9mm
Weight (carats) 1.6 carats
Colors

DENTALIUM  SHELL  PARCEL

NATURAL PC

PICTURE TAKEN WET

COOBERPEDY AUSTRALIA

  

MANY A TUSK SHELLS ARE FOUND BUT AN OPALISED ONE IS EXTREMELY RARE

 

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.

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Pricing & Details

Auction ID 779947
Watchers 1 watching
Viewed 153 times
Starts 28th Apr 2019 11:07pm PDT

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