- caudal pit
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the notch in the dorsal or ventral profile of the caudal peduncle just before the caudal fin in certain sharks
Dictionary of ichthyology. 2009.
Dictionary of ichthyology. 2009.
Pit viper — Pit Viper … Wikipedia
precaudal pit — the notch on the caudal peduncle just before the caudal fin. Also called caudal pit … Dictionary of ichthyology
chondrichthian — /kon drik thee euhn/, n. any member of the class Chondrichthyes, comprising the cartilaginous fishes. [ < NL, equiv. to chondr CHONDR + Gk ichthýes (pl.) fish] * * * ▪ fish class Introduction class name Chondrichthyes, or Selachii any… … Universalium
osteoglossomorph — ▪ fish Introduction any member of what is widely believed to be the most primitive group of bony fishes (bony fish). This reputation stems from their rudimentary caudal skeleton and the lack of a set of intermuscular bones throughout the… … Universalium
human embryology — ▪ biology Introduction the process encompassing the period from the formation of an embryo, through the development of a fetus, to birth. The human body, like that of most animals, develops from a single cell produced by the union of… … Universalium
Calotes andamanensis — Taxobox | name = Andaman and Nicobar Forest Lizard regnum = Animalia phylum = Chordata classis = Reptilia ordo = Squamata subordo = Iguania familia = Agamidae genus = Calotes species = andamanensis binomial = Calotes andamanensis binomial… … Wikipedia
perciform — ▪ fish order Introduction any member of the order Perciformes, a group of bony fishes with more than 6,000 species placed in about 150 families. The order is the largest group of fishes in the world today. Perciform fishes occur in… … Universalium
fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with … Universalium
Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… … Universalium
Snake — Ophidian redirects here. For the professional wrestler, see The Osirian Portal. This article is about the animal. For other uses, see Snake (disambiguation). Snakes Temporal range: Early Cretaceous – Recent, 112–0 Ma … Wikipedia