The story dives into the Paleozoic era, featuring "armored monsters" (Placoderms) and the first sharks and bony fishes.
Many academic courses list Benton as a primary reference. You might find lecture slides or related "Foundations of Paleontology" manuals on university sites like Colibrí (UDELAR) Internet Archive: Some older editions (like the 4th edition) are available to borrow digitally What You'll Learn paleontologia de vertebrados benton pdf
Paleontología de Vertebrados por Michael Benton: La Obra Maestra en Evolución (PDF/Referencia) The story dives into the Paleozoic era, featuring