Search results
Results From The WOW.Com Content Network
Some helmet shells are carved into cameos, starting in Italy in 1820. The king helmet Cassis tuberosa was the first species to be made into cameos. The black helmet Cassis madagascariensis , also known as Cassis cameo , has a dark brown or a claret-coloured shell layer under a yellowish outer layer.
Cassis madagascariensis, common name the queen helmet, is a marine gastropod mollusc in the family Cassidae, the helmet shells and bonnet shells.It is known for being the largest species of its family in the Atlantic Ocean. This organism has 4 direct children, which include Cassis madagascariensis f. spinella Clench, Cassis madagascariensis ...
Cassis, common name the helmet shells, is a genus of very large sea snails, marine gastropod mollusks in the family Cassidae, the helmet shells and their allies. [1] This is the type genus of the subfamily Cassinae .
Diagram of a prawn, with the carapace highlighted in red. A carapace is a dorsal (upper) section of the exoskeleton or shell in a number of animal groups, including arthropods, such as crustaceans and arachnids, as well as vertebrates, such as turtles and tortoises. In turtles and tortoises, the underside is called the plastron.
The length of the shell varies between 50 mm and 410 mm. It is the largest of all helmet shells. It has a very solid, heavy, rotund shell with large, horn-like knobs and a wide, flat base. The shell has a dorsally pale orange colour, its base vivid orange, faintly marked with white and brown. [1]
Four views of a shell of the land snail Arianta arbustorum The giant clam (Tridacna gigas) is the largest extant species of bivalve. The mantle is visible between the open valves. A mollusc shell is formed, repaired and maintained by a part of the anatomy called the mantle. Any injuries to or abnormal conditions of the mantle are usually ...
The NFL announced Friday it will allow players to wear protective soft-shell helmet covers known as Guardian caps during games next season if they choose. Defensive backs and receivers have joined ...
[2] Other names in English include bull's-mouth conch, red helmet or cameo shell. [3] In German it is called "Rote Porzellanschnecke," "Rote Helmschnecke" or "Feuerofen"; [4] and in Japanese, "マンボウガイ". [4] It was classified in 1758 by Carolus Linnaeus, who described it as Buccinum rufum. [5] A shell of Cypraecassis rufa. The ...