Fishes of the WorldJohn Wiley & Sons, 16. mar. 2016 - 752 strani Take your knowledge of fishes to the next level Fishes of the World, Fifth Edition is the only modern, phylogenetically based classification of the world’s fishes. The updated text offers new phylogenetic diagrams that clarify the relationships among fish groups, as well as cutting-edge global knowledge that brings this classic reference up to date. With this resource, you can classify orders, families, and genera of fishes, understand the connections among fish groups, organize fishes in their evolutionary context, and imagine new areas of research. To further assist your work, this text provides representative drawings, many of them new, for most families of fishes, allowing you to make visual connections to the information as you read. It also contains many references to the classical as well as the most up-to-date literature on fish relationships, based on both morphology and molecular biology. The study of fishes is one that certainly requires dedication—and access to reliable, accurate information. With more than 30,000 known species of sharks, rays, and bony fishes, both lobe-finned and ray-finned, you will need to master your area of study with the assistance of the best reference materials available. This text will help you bring your knowledge of fishes to the next level.
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Zadetki 1–5 od 89
... absent; vertebrae absent; no cartilage or bone; heart consisting of a ... fin. One genus, Branchiostoma, with about 23 species. Family ... fin, which passes to the right of the anus, and left fold ending behind atriopore. One genus ...
... fins; no trace of lateral-line system in adults, neuromasts absent. Hagfishes are unique among craniates in having only one semicircular canal, which is orientated so that it projects onto all three planes of rotation (lampreys and ...
... absent; movable paired fins absent; anal fin absent; tail internally hypocercal, externally often symmetrical; perhaps two olfactory capsules (diplorhinal condition) with only an internal opening into the mouth area. Species with ...
... fin absent, but a series of dorsomedian scutes present; unique pectoral spines or rods present; anal fin reduced or absent; body usually covered with dorsoventrally elongated ornamented scales (which are virtually absent in †Lasanius); ...
... fin absent; pectoral fins, probably homologous to gnathostome pectoral fins, known in most (e.g., the basal †Ateleaspis, †Superciliaspis, †Waengsjoeaspis) but absent in tremataspids; tail heterocercal, epicercal (notochordal axis ...