This category is for any website which deals specifically with the fossil record of sponges.
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Photograph of this fossil sponge from the Ordovician in Kentucky.
Fossil sponges from the Cambrian in Utah showing the spicules of which the skeleton is composed.
Documentation and systematic description of fossil Cretaceous sponges (porifera) from the Campanian of Misburg and Höver, Germany.
Photographs of several complete fossil sponges.
Photographs and information on Siphonia subglobosa and Siphonia tubulosa and some photomicrographs showing typical tetraclones and one dermal dichotriaene of Siphonia tubulosa.
Image of part of a sponge from the Devonian in New York.
Last update:August 19, 2015 at 16:15:06 UTC