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Brachiopod. 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 protection.
Palaeontology portal; Rhynchonella is an extinct genus of brachiopod known from the Late Jurassic to the Early Cretaceous (Valanginian, possibly Barremian). [1] Formerly [2] this genus was understood much more widely (more or less an equivalent of the Rhynchonellida order in the present-day taxonomy) and less critical sources still list species of Rhynchonella from the Ordovician to the Eocene.
Paraspirifer. Paraspirifer is a genus of large brachiopods (up to about 7.5 centimetres or 3.0 inches) that lived during the late Lower and Middle Devonian in what now are Germany, Spain, Morocco and the United States (New York State and Ohio).
Brachiozoa. A colony of the phoronid Phoronis hippocrepis in shallow water on the coast of Italy. Brachiozoa is a grouping of lophophorate animals including Brachiopoda and Phoronida. [1][2][3] It also includes their ancestors, the extinct tommotiids.
Enteletoidea. Orthida is an extinct order of brachiopods which appeared during the Early Cambrian period and became very diverse by the Ordovician, living in shallow-shelf seas. Orthids are the oldest member of the subphylum Rhynchonelliformea (Articulate Brachiopods), and is the order from which all other brachiopods of this group stem. [1]
Rhynchonelliformea. Rhynchonelliformea is a major subphylum and clade of brachiopods. It is roughly equivalent to the former class Articulata, which was used previously in brachiopod taxonomy up until the 1990s. These so-called articulated brachiopods have many anatomical differences relative to "inarticulate" brachiopods of the subphyla ...
L. waikatoensis Pen, 1930. Synonyms. Ligula, Ligularius, Lingularius, Pharetra. Lingula is a genus of brachiopods within the class Lingulata. Lingula or forms very close in appearance have existed possibly since the Cambrian. Like its relatives, it has two unadorned organo-phosphatic valves and a long fleshy stalk.
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.