They do this by measuring coral-bound nitrogen isotopes, which can be used to distinguish whether corals derive their energy from photosynthetic symbionts or not. The results suggest that the tabulate ...

The function of dissepiments and marginaria in the Rugosa (Cnidaria, Zoantharia) / J.E. Sorauf -- Axial increase in some early tabulate corals / D.-J. Lee ... [et al.] -- Biometric analysis of ...

The fish was discovered at a fossil reef ecosystem bordering Lake Burrinjuck in New South Wales. The Burrinjuck reefs were built and inhabited by organisms very different from those around today.

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