In no deposit with which I am acquainted, however rich in remains, have all its ichthyolites been found lying together.
These are unequivocally the ichthyolitic beds, whether they containichthyolites or no.
The fissile limestone of Monte Bolca, near Verona, has for many centuries been celebrated in Italy for the number of perfect Ichthyolites which it contains.
Classification of the Ichthyolites of the Old Red, and their Relation to Living Types.
The ichthyolites and plants found in the same strata, left no doubt that these remains belonged to the true coal period.
Agassiz, to extinct genera, and differing remarkably from the ichthyolites of the Cretaceous period.
Place-Fixing in the Dim Past The next step was to fix the exact place of the ichthyolites in the geological scale, and this I was enabled to do by finding a large and complete bed in situ.
As the pterichthys and coccosteus are the characteristic ichthyolites of the Lower Old Red formation, so the cephalaspis distinguishes the middle or coronstone division of the system in England.
This upper bed had also its organisms, but the circumstances were less favourable to the preservation of entire ichthyolites than those in which the organisms were wrapped up in their stony coverings.
Another of the families of the ichthyolites of the Old Red Sandstone--the cephalaspis--seems almost to constitute a connecting link between fishes and crustaceans.
Agassiz at once confirmed my suspicion that the ichthyolitesof the Old Red Sandstone were intermediate.
And in little more than a fortnight he had detected the ichthyolites in numerous localities all over an Old Red Sandstone tract, which extends from the primary districts of Banff to near the field of Culloden.
Mr. George Anderson had informed me, as early as 1834, that some of them were identical with the ichthyolites of the Gamrie deposit; but then the place of the Gamrie deposit was still to fix.
It will be seen that the first-mentioned of these ancient ichthyolites bears a name compounded, though, in the reverse order, of exactly the same words.
The above list will hopefully give you a few useful examples demonstrating the appropriate usage of "ichthyolites" in a variety of sentences. We hope that you will now be able to make sentences using this word.
