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About 5,000 fossil genera. Brachiopods (/ ˈbrækioʊˌpɒd /), phylum Brachiopoda, are a phylum of trochozoan animals that have hard "valves" (shells) on the upper and lower surfaces, unlike the left and right arrangement in bivalve molluscs. Brachiopod valves are hinged at the rear end, while the front can be opened for feeding or closed for ...
Evolution of brachiopods. The origin of the brachiopods is uncertain; they either arose from reduction of a multi-plated tubular organism, or from the folding of a slug-like organism with a protective shell on either end. Since their Cambrian origin, the phylum rose to a Palaeozoic dominance, but dwindled during the Mesozoic.
Michael Omartian. " We Are the World " is a charity single recorded by the supergroup USA for Africa in 1985. It was written by Michael Jackson and Lionel Richie and produced by Quincy Jones and Michael Omartian for the album We Are the World. With sales in excess of 20 million physical copies, it is the eighth- best-selling single of all time.
Lingulata shells are composed of a combination of calcium phosphate, protein and chitin. This is unlike most other shelled marine animals, whose shells are made of calcium carbonate. The Lingulata are inarticulate brachiopods, so named for the simplicity of their hinge mechanism. This mechanism lacks teeth and is held together only by a complex ...
List of living brachiopod species. The following is a taxonomy of extant (living) Brachiopoda by Emig, Bitner & Álvarez (2019). There are over 400 living species and over 120 living genera of brachiopods classified within 3 classes and 5 orders, listed below. Extinct groups are not listed. [1]
Branchiopoda. Branchiopoda is a class of crustaceans. It comprises fairy shrimp, clam shrimp, Diplostraca (or Cladocera), Notostraca, the Devonian Lepidocaris and possibly the Cambrian Rehbachiella. They are mostly small, freshwater animals that feed on plankton and detritus.
The song's Spanish title, "Viva la Vida", is taken from a painting by 20th-century Mexican artist Frida Kahlo. In Spanish, viva translates to "long live", [4] so "Long Live Life" is an accurate translation and the painting reflects the artistic irony of acclaiming life while suffering physically. [5] When asked about the album's title ...
Category. : Brachiopods. Wikimedia Commons has media related to Brachiopoda. Paleontology portal. Brachiopods — a type of shelled invertebrate marine animals group of the Protostome. It first appeared in the Paleozoic Era.