Search Results for: Other animals
tel. the fossil fish in the rock of the surrounding region, the slates of glarus and the limestones of monte bolca , soon attracted his attention. at the time, very little had been accomplished in their scientific study. agassiz, as early as , planned the publication of a work, which more than any other
fish, but, instead, consisted chiefly of the teeth, scales, and fins, with the bones being perfectly preserved in comparatively few instances. he, therefore, adopted a classification that divided fish into four groups: ganoids, placoids, cycloids, and ctenoids, based on the nature of the scales and other...
https://en.wikipedia.org/wiki/Louis_Agassiz