One of the names by which fossils of the genus Belemnites were formerly known.
The difference between Belemnites and Conilites is that the external sheath of the latter is thin, and not filled up with solid matter, from the point of the alveole to the apex, as in the former.
Some few are of species common to the inferior white chalk, among which may be mentioned Belemnites mucronatus (see fig.
Among the cephalopoda of Faxoe, may be mentioned Baculites Faujasii and Belemnites mucronatus, shells of the white chalk.
Similar elongated processes have been also observed to extend from the shells of some belemnites discovered by Dr.
Now there is no mineral body which presents any structure comparable to this, and the conclusion suggested itself that the Belemnites must be the effects of causes other than those which are at work in inorganic nature.
An extinct group of Dibranchiate Cephalopods, comprising theBelemnites and their allies.
The lower limits ofBelemnites are, in the keuper, covered by Jura limestone, and their upper limits in the chalk formations.
Among the most striking proofs of the transformation of rocks by Plutonic action, we must place the belemites in the schists of Nuffenen (in the Alpine valley of Eginen and in the Gries-glaciers), and the belemnites found by M.
Similar elongated processes have been also observed to extend from the shells of some Belemnites discovered by Dr.
But I'm afraid a few ammonites and belemnites will have to content us; those are quite difficult enough to get out intact.
The great cuttlefish-like Belemnites and the whole race of the Ammonites, large and small, are banished from the earth.
One fossilised Ichthyosaur of the weaker-toothed variety has been found with the remains of two hundred Belemnites in its stomach.
Only the largest and heaviest belemnites are known as thunder stones; the smaller ones are more commonly described as agate pencils.
The belemnites are the internal shells of a sort of cuttle-fish which swam about in enormous numbers in the seas whose sediment forms our modern lias, oolite, and gault.
Belemnites are generally found in immense numbers together, especially in the marlstone quarries of the Midlands, and in the lias cliffs of Dorsetshire.
Among the Belemnites characteristic of the Liassic period may be cited B.
De la Beche has pointed out, the destruction of the animals whose remains are known to us by the name of Belemnites was exceedingly great when the upper part of the Lias of Lyme Regis was deposited.
Similar prolongations have been noticed inBelemnites found by Dr.
And to the geologist they are of abounding interest, exhibiting shale, shelly limestone, sandstones of various qualities in which belemnites and ferns, and other animal and vegetable fossils, are embedded in surprising quantities.
The open plains of the Upper Flinders disclose great deposits of marine fossil shells, belemnites and ammonites, and also remains of extinct animals.
Here hundreds of Belemnites are strewn over the surface of the two ridges which front the cattle station huts, but they are rarely found in the soft shales which crop out from under an escarpment of "Desert Sandstone.
The material is so hard, and the fossils so brittle (especially the belemnites and serpulae), that imperfect specimens only will result from the quick and rough treatment of the hammer.
Next comes a bed of about seven feet thick, of darkish White Chalk; and finally, another bed of about twelve feet thick, of bright Red Chalk, containing belemnites and terebratulae.
Belemnites minimus is sometimes two inches long in the Hunstanton Cliff.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "belemnites" in a variety of sentences. We hope that you will now be able to make sentences using this word.
