Cloudinids (Cloudinia) are an extinct animal phylum that formed small Late Proterozoic[?] tubelike or conical fossils consisting of "cup-in cup" segments of calceraecous material.
All Wikipedia text
is available under the
terms of the GNU Free Documentation License
Search Encyclopedia
Search over one million articles, find something about almost anything!
... the largest river in the world by volume, the Parana[?] with its impressive Iguaçu[?] falls, the Rio Negro, São Francisco[?], Xingu, Madeira and the Tapajós[?] ...