Undet. Sponge
Vendor: Gold Bugs
SKU Number: SQ8562562
Undetermined 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 and it maybe that this sponge is included in this class..
Full dimensions are listed below (dimensions given are the average size of the group).
Vendor: Gold Bugs
SKU Number: SQ8562562
Undetermined 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 and it maybe that this sponge is included in this class..
Full dimensions are listed below (dimensions given are the average size of the group).
Vendor: Gold Bugs
SKU Number: SQ8562562
Undetermined 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 and it maybe that this sponge is included in this class..
Full dimensions are listed below (dimensions given are the average size of the group).
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
