Pterioda
Pterioda (phylum Mollusca, class Bivalvia) An order of bivalves that are byssate or cemented, and generally pleurothetic. Normally they are un-equilateral and unequivalve, and their variable shell composition may be crossed-lamellar, prismatic-nacreous, or foliate. The musculature is anisomyarian or monomyarian. The ligament is extremely variable. The gills are eulamellibranchiate or filibranchiate. The order first appeared in the Ordovician.
More From encyclopedia.com
Composite Order , Composite Order. Grandest of the Roman Orders, essentially an ornate version of the eight-voluted Ionic capital known as the angular capital or Scamo… Celtic Cross , Celtic cross. Monumental carved stone cross consisting of a vertical shaft and horizontal arms with a circlet, its centre at the intersection, linkin… Order Of The Bath , Bath, Order of the. Bathing as a symbol of purification was an element in the creation of spotless knights and the practice grew up of dubbing number… Order , Order
Few notions have both so rich a heritage of meaning and so clear an application to all fields of knowledge as does order. There are many myths… Struthioniformes , Casuariiformes (cassowaries, emus; class Aves) An order of large ratites that have coarse, hair-like plumage, and three toes. There are two families,… Composite Materials , A composite material (or just composite) is a mixture of two or more materials with properties superior to the materials of which it is made. Many co…
You Might Also Like
NEARBY TERMS
Pterioda