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Diatoms - Stephanodiscus and other spp.

Fossil diatoms from Baikal Lake captured by optical microscopy (1000x magnified). Top line has 120 micrometers. Fossil diatoms from Baikal Lake captured by optical microscopy (1000x magnified). Top line has 120 micrometers.

Geyser

Geyser and steam. Big rock.

Siliceous Sponges

Sponges are an ancient and highly successful group of animals. They have been living in the waters of the world for more than 600 million years. Sponges are an ancient and highly successful group of animals. They have been living in the waters of the world for more than 600 million years.

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