Late Silurian – Recent | image = Coelacanth-bgiu.png | image_width = 200px | image_caption = Coelacanth, Latimeria chalumnae | domain = Eukarya | regnum = Animalia | phylum = Chordata | subphylum = Vertebrata | infraphylum = Gnathostomata | superclassis = Osteichthyes | classis = Sarcopterygii | subdivision_ranks = Subclasses | subdivision = Coelacanthimorpha — Coelacanths Dipnoi — Lungfishes Tetrapodomorpha — Tetrapods and their extinct relatives. }} Sarcopterygii -… (More on Sarcopterygii)