Multiple parallel occurrences of elasmoid and bony scales from ganoid... | Download Scientific Diagram
The microscope and its revelations . hese two layers is interposed a stratum of calcareousconcretions, resembling those ofthe scale of the Eel; these aresometimes globular or spheroidal,but more commonly lenticular,that is, having
Exoskeleton of Dogfish (Scoliodon): With Diagram | Chordata | Zoology