Definition of Phragmocone. Meaning of Phragmocone. Synonyms of Phragmocone

Here you will find one or more explanations in English for the word Phragmocone. Also in the bottom left of the page several parts of wikipedia pages related to the word Phragmocone and, of course, Phragmocone synonyms and on the right images related to the word Phragmocone.

Definition of Phragmocone

Phragmocone
Phragmocone Phrag"mo*cone, n. [Gr. ?, ?, a fence, an inclosure + ? a cone.] (Zo["o]l.) The thin chambered shell attached to the anterior end of a belemnite. [Written also phragmacone.]

Meaning of Phragmocone from wikipedia

- The phragmocone is the chambered portion of the s**** of a cephalopod. It is divided by septa into camerae. In most nautiloids and ammonoids, the phragmocone...
- the arms-most to the tip: the tongue-shaped pro-ostra****, the conical phragmocone, and the pointy guard. The calcitic guard is the most common belemnite...
- the phragmocone). The phragmocone is usually only found with the better preserved specimens. Projecting forwards from one side of the phragmocone is the...
- main difference between Boletzkya and Naefiteuthis is the length of the phragmocone at which time the living chamber becomes gladius-like and dominates the...
- distinctive slit at its ventral surface and a ridge on the dorsal surface. The phragmocone (internal s****) has a small protoconch at its tip, and fit into the...
- Spirula s**** Ventral view; the siphuncle and the last septum of the phragmocone are visible Swedish botanist Carl Linnaeus described Nautilus spirula...
- are the spaces or chambers enclosed between two adjacent septa in the phragmocone of a nautiloid or ammonoid cephalopod molluscus. These can be seen in...
- subclass Ammonoidea. The chambered part of the ammonite s**** is called a phragmocone. It contains a series of progressively larger chambers, called camerae...
- for spirula, they are the only coleoid cephalopods with a s**** with a phragmocone divided into chambers separated by septa. The pores provide it with buoyancy...
- large external s****, divided into a narrowing chambered region (the phragmocone) and a broad, open body chamber occupied by the animal in life. The outer...