Tag Archive for 'Cloudinidae'

Reconstruction of Conotubus hemiannulatus and its symbiotic relationship with sulfur-oxidizing bacteria. Image credit: David Fike.

Chemosymbiosis between Animals and Microbes May Predate the Cambrian: Study

Sep 28, 2026 by Enrico de Lazaro

A tubular marine creature that lived on the seafloor more than 540 million years ago may have survived in toxic, sulfur-rich waters by teaming up with...

The fossilized cloudinomorph Costatubus bibendi from the Wood Canyon Formation, Nye County, Nevada, the United States. Image credit: Scale bar - 1 mm. Image credit: Selly et al, doi: 10.1080/14772019.2019.1623333 / Schiffbauer et al, doi: 10.1038/s41467-019-13882-z.

550-Million-Year-Old Fossilized Guts Found

Jan 14, 2020 by Enrico de Lazaro

Paleontologists from the University of Missouri have discovered the well-preserved digestive tracts in the fossils of microscopic animals called cloudinomorphs....