sentences:  The genus was named as such due to the osteoderms found among the scales in the neck and belly.The specific epithet, "tetraspis", means "four shields", and derives from the Ancient Greek τετρα (four) and ασπίς (shield), as the back of the neck has four large, shield-like scales.The subspecific name, "osborni", is in honor of American paleontologist Henry Fairfield Osborn.