Orthacea

Orthacea

[ȯr′thās·ē·ə]
(paleontology)
An extinct group of articulate brachiopods in the suborder Orthidina in which the delthyrium is open.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Nekotorye predstaviteli nadsemejstva Orthacea iz verkhnego ordovika Estonii [Some Upper Ordovician representatives of the superfamily Orthacea of Estonia].
Brakhiopody nadsemejstv Orthacea, Dalmanellacea i Syntrophiacea iz nizhnego ordovika Pribaltiki [Lower-Ordovician Brachiopods of the superfamilies Orthacea, Dalmanellacea and Syntrophiacea of Eastern Baltic].
Diversity and biostratigraphic utility of Ordovician brachiopods in the East Baltic
Lower Ordovician brachiopods of the superfamilies Orthacea, Dalmanellacea and Syntrophiacea of Eastern Baltic.
New species of Estlandia (Clitambonitidina, Brachiopoda) in the Upper Ordovician of the East Baltic/Estlandia (Clitambonitidina, Brachiopoda) uus liik Ida-Baltikumi Ulem-Ordoviitsiumist
Nekotorye predstaviteli nadsemejstva Orthacea iz verkhnego ordovika Estonii [Some representatives of the Orthacea from the Upper Ordovician of Estonia].
A multiproxy study of the Puhmu core section (Estonia, Upper Ordovician): consequences for stratigraphy and environmental interpretation
Nekotorye predstaviteli nadsemejstva Orthacea iz verkhnego ordovika Estonii [Some representatives of the subfamily Orthacea in the Upper Ordovician of Estonia].
Revision of the concept of the orthide brachiopod Cyrtonotella in the Middle Ordovician of the East Baltic/Baltikumi Kesk-Ordoviitsiumi ortiidse brahhiopoodi Cyrtonotella kontseptsiooni revisjon
Einige Vertreter der Superfamilie Orthacea des oberordoviziums Estland.
New Hirnantian orthide brachiopods from the type section of the Porkuni Stage (Porkuni quarry, northeastern Estonia)/Hirnantia uued ortiidsed brahhiopoodid Porkuni lademe tuuplabiloikest (Porkuni murd Kirde-Eestis)
Some representatives of the superfamily Orthacea from the upper Ordovician of Estonia.
Platystrophia (Orthida) and new related Ordovician and early Silurian brachiopod genera/Platystrophia (Orthida) ja uued sugulaslikud Ordoviitsiumi ja Vara-Siluri kasijalgsete perekonnad
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