spiracle
41Centipede — For other uses, see Centipede (disambiguation). Centipedes Temporal range: 418–0 Ma …
42stigma — n.; pl. stigmata [Gr. stigma, mark] 1. A spiracle or breathing pore. 2. (ARTHROPODA: Chelicerata) In Acari, a sclerite surrounding a spiracle. 3. (ARTHROPODA: Insecta) a. A colored wing spot; see monostigmatous. b. In Odonata, a tickening of the… …
43Caudata — ▪ amphibian order Introduction also called Urodela, one of the major extant orders of the class Amphibia. It includes salamanders (salamander) and newts (newt). The relatively small and inconspicuous salamanders are important members of… …
44Beetle — Beetles redirects here. For the band, see The Beatles. For the car, see Volkswagen Beetle. This article is about the insect. For other uses, see Beetle (disambiguation). Beetle Temporal range: 318–0 Ma …
45Insect — For the Breed 77 album, see Insects (album). Insect Temporal range: 396–0 Ma …
46Gill — A gill is an anatomical structure found in many aquatic organisms. It is a respiration organ whose function is the extraction of oxygen from water and the excretion of carbon dioxide. The microscopic structure of a gill is such that it presents a …
47Shark — Taxobox name = Shark fossil range = Late Devonian Recent image width = 250px image caption = Grey reef shark, Carcharhinus amblyrhynchos regnum = Animalia phylum = Chordata subphylum = Vertebrata classis = Chondrichthyes subclassis =… …
48Arachnid — Taxobox name = Arachnida image width = 250px image caption = Arachnida from Ernst Haeckel s Kunstformen der Natur , 1904 regnum = Animalia phylum = Arthropoda subphylum = Chelicerata classis = Arachnida classis authority = Cuvier, 1812… …
49Batoidea — Taxobox name = Batoidea image width = 250px image caption = Spotted eagle ray, Aetobatus narinari regnum = Animalia phylum = Chordata classis = Chondrichthyes subclassis = Elasmobranchii superordo = Batoidea subdivision ranks = Orders subdivision …
50Anyphaenid sac spider — Taxobox name = Sac spiders image width = 250px image caption = Hibana velox regnum = Animalia phylum = Arthropoda classis = Arachnida ordo = Araneae subordo = Araneomorphae superfamilia = Dictynoidea familia = Anyphaenidae familia authority =… …
