Scientific name Inarticulata Rank Class | Higher classification Brachiopod | |
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Similar Brachiopod, Lingula, Lingulida, Terebratulida, Orthida | ||
Inarticulata was historically defined as one of the two classes of the phylum Brachiopoda and referred to those having no hinge. The other class was Articulata, meaning articulated – having a hinge between the dorsal and ventral valves. These classifications have now been superseded, see brachiopod classification.
References
Inarticulata Wikipedia(Text) CC BY-SA