Tag Archive for 'Metazoa'

Sponge-Like Animals May Have Lived in Oceans 890 Million Years Ago

Jul 30, 2021 by Enrico de Lazaro

Paleontologists have found possible sponge body fossils in 890-million-year-old microbial reefs in northwestern Canada. If verified, they may pre-date...

Reconstruction of the living Namacalathus: 1 - stem; 2 - parental cup; 3 - daughter cups; 4 - hollow ciliated tentacles; 5 - spines; 6 - lateral lumen; 7 - central opening; 8 - inner skeletal layer, foliated with columnar microlamellar inflections; 9 - internal (middle) skeletal later, organic rich; 10 - external outer skeletal layer, foliated with columnar skeletal inflections. Image credit: J. Sibbick.

Paleontologists Find Evolutionary Link between Ediacaran and Early Cambrian Multicellular Animals

Jan 12, 2021 by News Staff

Paleontologists have described the first three-dimensional preservation of soft tissue in Namacalathus hermanastes, a skeletal metazoan (multicellular...