spiracle
121Robert Beavers — (born 1949) is an American experimental filmmaker. Born and raised in Massachusetts, he attended Deerfield Academy which he left before graduating to move to New York in 1965 to pursue filmmaking [http://mfj… …
122Holostei — taxobox name = Holostei fossil range = Mesozoic–Recent image width = 250px image caption = Spotted gar, Lepisosteus oculatus image2 width = 250px image2 caption = Bowfin, Amia calva regnum = Animalia phylum = Chordata classis = Actinopterygii… …
123Respiration organ — Breathing / Respiration organs are used by most, or all, animals to exchange the gases necessary for their life functions, known as respiration. These organs come in many forms, some of them apparently having independently evolved:* skin some… …
124Pneumodesmus newmani — Taxobox | name = Pneumodesmus newmani status = fossil image width = 240px image caption = Photomicrograph of the type specimen fossil range = Fossil range|428Late Silurian regnum = Animalia phylum = Arthropoda subphylum = Myriapoda classis =… …
125Cephaloscyllium — Temporal range: Miocene–Present[1] …
126Physical characteristics of sharks — The physical characteristics of sharks are different from those of bony fish, but the large number of species and the diversity of shark habitats means that there are many variations on the typical shark body.TOCleft Skeleton The skeleton of a… …
127Balloon shark — Conservation status Least Concern (IUCN 3.1)[1] …
128Tiger catshark — Tiger catshark …
