Spicules are structural elements found in most sponges. The meshing of many spicules serves as the sponge's skeleton and thus it provides structural support...
71 KB (7,822 words) - 04:03, 26 February 2024
to: Spicule (sponge), small skeletal elements of sea sponges Spicule (nematode), reproductive structures found in male nematodes (roundworms) Spicule (solar...
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species have silica spicules, whereas some species have calcium carbonate exoskeletons. Calcareous sponges have calcium carbonate spicules and, in some species...
129 KB (13,123 words) - 01:17, 13 August 2024
Hexactinellid (redirect from Glass sponge)
Hexactinellid sponges are sponges with a skeleton made of four- and/or six-pointed siliceous spicules, often referred to as glass sponges. They are usually...
20 KB (2,304 words) - 18:13, 8 August 2024
The calcareous sponges (class Calcarea) are members of the animal phylum Porifera, the cellular sponges. They are characterized by spicules made of calcium...
10 KB (918 words) - 22:15, 9 April 2024
Microfossil (section Sponge spicules)
silicoflagellates, ebridians, phytoliths, some scolecodonts (worm jaws), and sponge spicules. Calcareous microfossils: Calcareous (CaCO3) microfossils include coccoliths...
61 KB (6,330 words) - 16:26, 22 May 2024
invertebrates such as sponges also have evolved a form of endoskeletons made of diffuse meshworks of calcite/silica structural elements called spicules, and echinoderms...
5 KB (590 words) - 10:58, 8 July 2024
This is a list of small shelly fossils of prehistoric marine animals, ordered by their type. Namacalathus Yochelsoniella Elements of a scleritome, resembling...
2 KB (329 words) - 03:29, 14 March 2022
rays) may be differentiated into spicules with claw-like ends, serving as a means of attachment to the substrate the sponge is growing on. They commonly have...
7 KB (744 words) - 19:05, 11 July 2023
gastropod shell small shelly fauna scaly-foot snail shell estuary shells Sponge spicule Test Endoskeletons (bones) Vertebrate skeleton Bone mineral Ossification...
40 KB (4,357 words) - 01:45, 9 August 2024