Photo Information
- Taken with NIKON CORPORATION NIKON D300
- Focal Length 70 mm
- Exposure Time 10/800
- f Aperture f/4.5
- ISO Speed 640
By andreas
Sirenites sp. from the Triassic/Carnian, upper aonoides zone. Hallstatt limestone of Austria.
Size is about 6cm. Good to see on this specimen is the characteristic feature of Sirenites s. s. that each single rib ends in two venter nodes.
By bockryan,
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