Orthida


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Orthida

[′ȯr·thə·də]
(paleontology)
An order of extinct articulate brachiopods which includes the oldest known representatives of the class.
References in periodicals archive ?
Es asi como las primeras dataciones paleontologicas las realiza Leith (1938) a traves de una fauna descrita e identificada por Terry (1935) que incluye la presencia de ejemplares del orden ORTHIDA Mas tarde las companias Shell y Creole (1964), por medio de un informe inedito, identificaron una gran coleccion fosilifera recolectada de ocho localidades de la Region rio Caparo, dicha coleccion se encuentra constituida de: braquiopodos, trilobites, graptolites, entre otros.
Brachiopods of the Orders Protorthida and Orthida from the Silurian of the Yass Syncline, southern New South Wales.
Order ORTHIDA Schuchert & Cooper, 1932 Suborder ORTHIDINA Schuchert & Cooper, 1932 Superfamily ORTHOIDEA Woodward, 1852 Family GLYPTORTHIDAE Schuchert & Cooper, 1931 Genus Bassettella Zuykov & Butts, 2008
Therefore, the presence of this feature, which is otherwise unknown among brachiopods of the order Orthida, must be diagnostic of the type species of Platystrophia.