Ganoid is a 6 letter English word. It's valid Scrabble word worth 8 points. It's valid Words with friends word worth 10 points.
You can make 117 anagrams from letters in ganoid (adgino).
1830-40; French ganoïde Greek gán(os) brightness + -oïde -oid
This preservation of ancient forms in islands appears to me like the preservation of ganoid fishes in our present freshwaters.
The most common example of the ganoid fish is the sturgeon, which is heavily clad with a bony armor.
Dura Den, a glen near Cupar-Fife, famous for the number of ganoid fossil fishes entombed in its sandstone.
The distinctions between cycloid and ctenoid scales, between placoid and ganoid fishes, are vague, and can hardly be maintained.
From these primitive fishes were evolved higher fishes of the ganoid type and others of the type of Lepidosiren (Dipneusta).
On this, as on other occasions, I was struck by the complex and very various forms assumed by the ganoid scales of the Wealden.
What most struck me, however, in glancing over the drawers of Mr. Duff, was the character of the ganoid scales of this deposit.
There are seven living kinds of ganoid fish and all are found in fresh water.
Another American ganoid is Amia calva, the dog-fish or bow-fin, which is very numerous in Western rivers.
Louis Agassiz distinguished four kinds of scales—placoid, ganoid, cycloid and ctenoid.