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 ?
The dominant brachiopods belong to Orthida and Strophomenida (Harper et al.
Silurian brachiopods Dictyonellida, Strophomenida, Productida, Orthotetida, Protorthida and Orthida from Estonia.
Orthida. In Treatise on Invertebrate Paleontology, Part H, Brachiopoda, Revised, volume 3.
Decouverte de Hirnantia sagittifera (M'Coy 1851) (Orthida Brachiopoda) dans l'Ordovicien superieur (Ashgilllien) de l'extremite occidentale du Massif Armoricain.
Brachiopods of the Orders Protorthida and Orthida from the Silurian of the Yass Syncline, southern New South Wales.
Orthida. In Treatise on Invertebrate Paleontology, Volume H, Brachiopoda (Revised), 3 (Kaesler, R.
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.