Drawing Natural History

  From left to right on each line; * A grasshopper from the Eastern Black Sea region of Turkey * An approximate application of the golden ratio in a spiral mollusk shell * A generic trilobite illustration (Paleozoic Era) * A pill bug from the isopod suborder of Oniscidea * Spriggina floundersi (Late Ediacaran Period, Neoproterozoic Era, approx. 555 Ma) (position on the phylogenetic tree of animals is uncertain) * Mopalia muscosa (the mossy chiton, N. American Pacific Coast, marine mollusk inhabiting the intertidal zone) * Orthoceras (an extinct nautiloid cephalopod from the Middle Ordovician Period, 470-458 Ma) * the Nautilus

UPLOAD#1 Clockwise from top left: Cell membranes and cell wall of a gram-negative bacterium, Postelsia (a sea palm, nested within the clade brown algae- Phaeophyceae), A test of a generic foraminiferans, A purple sulfur bacterium, A mesophyll cell located within a plant leaf, Dickinsonia (a soft bodied animal from the Ediacaran Period in the Neoproterozoic Era)