Inarticulata
Encyclopedia
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 These classifications have now been superseded, see brachiopod classification.
Phylum
In biology, a phylum The term was coined by Georges Cuvier from Greek φῦλον phylon, "race, stock," related to φυλή phyle, "tribe, clan." is a taxonomic rank below kingdom and above class. "Phylum" is equivalent to the botanical term division....
Brachiopoda
Brachiopod
Brachiopods are a phylum of marine animals that have hard "valves" 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...
and referred to those having no hinge. The other class was Articulata
Articulata (Brachiopoda)
The Articulata is a class of brachiopods which comprises those with hinged, calcareous shells that generally bear well developed teeth and sockets and a simple muscle system...
, meaning articulated – having a hinge between the dorsal and ventral valves. These classifications have now been superseded, see brachiopod classification.
See also
- Treatise on Invertebrate PaleontologyTreatise on Invertebrate PaleontologyThe Treatise on Invertebrate Paleontology published by the Geological Society of America and the University of Kansas Press, is a definitive multi-authored work of some 50 volumes, written by more than 300 paleontologists, and covering every phylum, class, order, family, and genus of fossil and...
— also mentions the new Brachiopoda classification system