Demosponge sp.
Vendor: Gold Bugs
SKU Number: SQ8678074
Demosponge sp. sponge, Middle Cambrian, Marjum Shale, Millards County, Utah.
Sponge “skeletons” are made of spicules consisting of fibers of a protein similar to collagen, and sometimes silica. Where spicules of silica are present, they have a different shape from those in the otherwise similar glass sponges.
Demosponges (Demospongiae) are the most diverse class in the phylum Porifera.
The positive and the negative pieces are included.
Full dimensions are listed below.
Vendor: Gold Bugs
SKU Number: SQ8678074
Demosponge sp. sponge, Middle Cambrian, Marjum Shale, Millards County, Utah.
Sponge “skeletons” are made of spicules consisting of fibers of a protein similar to collagen, and sometimes silica. Where spicules of silica are present, they have a different shape from those in the otherwise similar glass sponges.
Demosponges (Demospongiae) are the most diverse class in the phylum Porifera.
The positive and the negative pieces are included.
Full dimensions are listed below.
Vendor: Gold Bugs
SKU Number: SQ8678074
Demosponge sp. sponge, Middle Cambrian, Marjum Shale, Millards County, Utah.
Sponge “skeletons” are made of spicules consisting of fibers of a protein similar to collagen, and sometimes silica. Where spicules of silica are present, they have a different shape from those in the otherwise similar glass sponges.
Demosponges (Demospongiae) are the most diverse class in the phylum Porifera.
The positive and the negative pieces are included.
Full dimensions are listed below.
Additional Information
Sponges are believed to be some of the earliest animals alive today, sponges were possibly the first to branch off the evolutionary tree from the last common ancestor of all animals, which would make them the sister group of all other animals.
References:
References Wikipedia: Demosponge
References Wikipedia: Charles Doolittle Walcott
References Wikipedia: Marjum Formation