Concept

Sponge spicule

Related publications (33)

A Cretaceous scleractinian coral with a calcitic skeleton

Anders Meibom, Jaroslaw Hubert Stolarski

It has been generally thought that scleractinian corals form purely aragonitic skeletons. We show that a well-preserved fossil coral, Coelosmilia sp. from the Upper Cretaceous (about 70 million years ago), has preserved skeletal structural features identic ...

2007

The ecology of testate amoebae (Protists) in South-Central Alaska peatlands: building transfer function models for paleoenvironmental studies

Edward Mitchell

Testate amoebae are valuable indicators of peatland hydrology and have been used in many palaeoclimatic studies in peatlands. Because the species' ecological optima may vary around the globe, the development of transfer function models is an essential prer ...

2006

The Tatahouine diogenite: Mineralogical and chemical effects of sixty-three years of terrestrial residence

Philippe Gillet

Comparison between clasts of the Tatahouine diogenite, collected the day of the fall in 1931 and 63 years later in 1994, allows the evaluation of mineralogical and chemical effects of terrestrial residence on meteorites. Secondary minerals are found in the ...

1999

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