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Cinachyra antarctica is a species of antarctic sponge belonging to the family Tetillidae. [1] It was first described by H.J. Carter in 1872. [2] A 2002 study in Antarctica calculated that this sponge and another antarctic sponge, Anoxycalyx joubini, have amazingly long lifespans surpassing 1,550 years in C. antarctica and 15,000 years in A. joubini.
The giant volcano sponge (Anoxycalyx joubini) is a species of Antarctic sponge. [1] It is one of the largest sponges in the world which can grow up to a diameter of 1.5 metres (5 feet) and 1.95 metres (6.5 feet) in height. [2] The species may have an extremely long lifespan, with estimates of up to 15,000 years. [3]
Bolosoma stalked 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 classified along with other sponges in the phylum Porifera, but some researchers consider them sufficiently distinct to deserve their own phylum, Symplasma.
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One study provides substantial evidence that an individual of this deep-sea sponge, that forms giant spicules up to 3 meters long, is about 11,000 years old. [ 3 ] Five other individuals collected from depths of 1,100 to 2,100 meters at three widely separated locations in the western Pacific Ocean were estimated to be 6,000 to 18,000 (±1,000 ...
Eventually, the larvae attached to rocks and metamorphoses into sea sponge. In the adult stage, Euplectella are sessile and attached firmly to rocks through spicules. [ 21 ] It is unclear how long Euplectella generally live however other genus of glass sponge have been known to live up to 15,000 years in the wild. [ 22 ]
Look for articles on books published in the US before 1923 (as well as most other books published before that date as well, and all published before 1909 [3]) that use copyrighted, modern book covers as illustrations. Category:Books by year and its many subcategories are useful. Add them to the list if they're not already on it.
Otavia antiqua is an early sponge-like fossil found in Namibia in the Etosha National Park.It is claimed to be the oldest animal fossil, being found in rock aged between 760 and 550 million years ago.