Resultado de búsqueda
Placoderms (from Greek πλάξ ( plax, plakos) ' plate ' and δέρμα ( derma) 'skin') [1] are vertebrate animals of the class Placodermi, an extinct group of prehistoric fish known from Paleozoic fossils during the Silurian and the Devonian periods.
Hypostomus plecostomus, also known as the suckermouth catfish or common pleco, is a tropical freshwater fish belonging to the armored catfish family (Loricariidae), named for the longitudinal rows of armor-like scutes that cover the upper parts of the head and body (the lower surface of head and abdomen is naked soft skin).
Armored fish: the knights of the deep sea. Lateral scan of the north spearnose poacher. For centuries, armor has protected warriors in combat, providing a defensive barrier and preventing damage to whatever is underneath its protective shell.
Dunkleosteus is an extinct genus of large arthrodire ("jointed-neck") fish that existed during the Late Devonian period, about 382–358 million years ago. It was a pelagic fish inhabiting open waters, and one of the first apex predators of any ecosystem.
20 de oct. de 2016 · The discovery of a 423-million-year-old armored fish from China suggests that the jaws of all modern land vertebrates and bony fish originated in a bizarre group of animals called placoderms,...
Placoderms (Armored Fish): Dominant Vertebrates of the Devonian Period. Placoderms, the most diverse group of Devonian fishes, were globally distributed in all habitable freshwater and marine environments, like teleost fishes in the modern fauna.
16 de feb. de 2015 · Placoderms are a group of fossil true jawed fishes restricted to the Middle Palaeozoic period (Silurian and Devonian). Their head and body are covered with an assemblage of bony plates in a box-like manner up to the anal region.
