Invertebrates Sponges
You have found the way to Sponges on Invertebrates:
See also:
Brachiospongia - Photograph of this fossil sponge from the Ordovician in Kentucky.
Choia utahensis - Fossil sponges from the Cambrian in Utah showing the spicules of which the skeleton is composed.
Cretaceous Sponges - Documentation and systematic description of fossil Cretaceous sponges (porifera) from the Campanian of Misburg and Höver, Germany.
Pemmatites sp. - Photographs of several complete fossil sponges.
Raphidonema sp. - Photographs of fossil sponges from the Cretaceous.
Siphonia - Photographs and information on Siphonia subglobosa and Siphonia tubulosa and some photomicrographs showing typical tetraclones and one dermal dichotriaene of Siphonia tubulosa.
Siphonia kaeregi - Photograph of a nice specimen of this tulip-shaped sponge.
Sponge Reefs on the Continental Shelf - Canadian Geological Survey program to study hexactinellid reefs.
Uphantaenia chemungensis - Image of part of a sponge from the Devonian in New York. Help build the largest human-edited directory on the web.