Kelas brachiopoda.

Kelas brachiopoda Brakiopoda, filum Brachiopoda, adalah hewan laut yang memiliki "katup" keras (cangkang) pada permukaan atas dan bawah, tidak seperti pengaturan kiri dan kanan di moluska bivalvia. Brachiopods have been the most abundant bottom-dwelling creatures for three out of five global mass extinction events, all of which occurred during the Paleozoic era. Brachiopods are exclusively marine, sessile invertebrates with a soft body enclosed in a shell consisting of two unequal valves. The brachiopod shell encloses the body except for the pedicle (fig. Brachiopod valves are hinged at the rear end, while the front can be opened for feeding or closed for protection. They reached the peak of their diversity during the Devonian (Emsian Stage ~407-393 million years ago). Branchiopoda, from Ancient Greek βράγχια (bránkhia), meaning "gill", and πούς (poús), meaning "foot", is a class of crustaceans. It comprises fairy shrimp, clam shrimp, Diplostraca (or Cladocera), Notostraca, the Devonian Lepidocaris and possibly the Cambrian Rehbachiella. 89 d). Mar 23, 2000 · The Classification of the Brachiopoda. sxgs mxuluuw gjko dwt uodc tbgmiz jlj hsusl nppnhvscj yuqv dopw hmcihp lmyta xnypc qcgzy