Cubozoa e Scyphozoa (Cnidaria: Medusozoa) de águas costeiras do Brasil
نویسندگان
چکیده
منابع مشابه
Visual ecology and functional morphology of cubozoa (cnidaria).
Jellyfish belong to one of the oldest extant animal phyla, the Cnidaria. The first Cnidaria appear in the fossil record 600 million years ago, preceeding the Cambrian explosion. They are an extremely successful group present in all marine environments and some freshwater environments. In contrast to many animal phyla in which vision is a primary sense Cnidarians do not, generally, employ image ...
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Identification of organisms is traditionally based on the use of "classic" identification keys, normally printed on paper. These keys have several drawbacks: they are mainly based on the systematics, requiring identification of orders, families and genera at first; they are written by experts for other experts, in a specific scientific jargon; they have a "frozen" structure (sequence of theses/...
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Morphological taxonomy suggests that marine faunas are species poor compared to terrestrial and freshwater faunas (1). This dichotomy has been attributed to the unique potential of marine plankters for distant dispersal across homogenous oceans with few barriers to gene flow (2). The relative scarcity of opportunities for allopatric divergence has resulted in depauperate marine faunas character...
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ژورنال
عنوان ژورنال: Iheringia. Série Zoologia
سال: 2005
ISSN: 0073-4721
DOI: 10.1590/s0073-47212005000300008