Members low in the stratigraphic sequence are older than those lying above, in accordance with Steno's law of superposition.
In the opening of the incisive foramen, the orifices of two lateral canals are visible; they are named the incisive canals or foramina of Stensen.
Notable prodromi were Prodromus Entomology, Prodromus Florae Novae Hollandiae et Insulae Van Diemen, Prodromus Systematis Naturalis Regni Vegetabilis and Nicolas Steno's De solido intra solidum naturaliter contento dissertationis prodromus, one of the early treatises attempting to explain the occurrence of fossils in solid rock.
Nicolas Sarkozy | Nicolas Cage | Nicolas Poussin | Nicolas Baudin | Nicolas Roeg | Nicolas Anelka | Nicolas Philibert | Nicolas Léonard Sadi Carnot | Nicolas Winding Refn | Nicolas Steno | Nicolas Bourriaud | Nicolas | San Nicolás | Nicolas Slonimsky | Nicolas Oudinot | Nicolas Hulot | Nicolas Hodges | Nicolás Guillén | Nicolas Boileau-Despréaux | Nicolas Berggruen | San Nicolas Island | San Nicolas | Nicolas Louis de Lacaille | Nicolas Ghesquière | Louis Nicolas Vauquelin | Theodore Nicolas Gobley | San Nicolás District, Carlos Fermín Fitzcarrald | Nicolas-Théodore de Saussure | Nicolas Schöffer | Nicolás Sarquís |