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Synopsis of knowledge on Cnidaria Medusozoa from Brazil Biota Neotropica
Marques,Antonio C.; Morandini,André C.; Migotto,Alvaro E..
A synopsis of knowledge concerning Medusozoa (Cnidaria) along the Brazilian coast is presented. We generated a data list with all records of medusozoans from Brazil, including information on the distribution of the species and the phase (polyp or medusa) recorded. Currently the number of species of Medusozoa recorded from Brazil is 377 (205 genera and 82 families), with 348 species of hydrozoans, 22 scyphozoans, 3 cubozoans and 1 staurozoan. Geographical and historical analyses were carried out based on the data list. The geographical analysis reveals that knowledge on biodiversity of the group is most inadequate for the North and part of the Northeastern coast. Although the Southeastern coast is the best known region in number of species and...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Hydrozoa; Scyphozoa; Cubozoa; Staurozoa; Fauna; South Atlantic; Polyp; Medusa; Brazil.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032003000200007
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Hidden impacts of the Samarco mining waste dam collapse to Brazilian marine fauna - an example from the staurozoans (Cnidaria) Biota Neotropica
Miranda,Lucília Souza; Marques,Antonio Carlos.
The collapse of the Fundão tailings dam at Mariana (State of Minas Gerais, Brazil) started a huge human tragedy and likely the most serious environmental disaster in recent Brazilian history. The dam had contained waste from processing iron ore from mines owned by Samarco, a joint venture company of the Brazilian Vale S.A. and the Anglo-Australian BHP Billiton Ltd. Following ineffective attempts to contain the disaster, after 16 days the mud flood reached the sea, where its impact is expected to affect thousands of marine fauna and flora species. Here, we provide an example of one of these species, the cnidarian Kishinouyea corbini Larson 1980 (Staurozoa), emblematic because it is extremely rare, poorly studied, and its known distribution overlaps the...
Tipo: Info:eu-repo/semantics/report Palavras-chave: Espírito Santo; Rio Doce; Mud; Staurozoa; Kishinouyea corbini.
Ano: 2016 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1676-06032016000200401
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De steelkwallen van Nederland (Cnidaria: Staurozoa) Naturalis
Faasse , M.A.; Waajen , S..
Steelkwallen zijn een onopvallende en onbekende groep zeedieren. De plaatsing binnen de holtedieren was lange tijd provisorisch binnen de klasse Scyphozoa (schijfkwallen), maar recente inzichten rechtvaardigen een plaatsing als aparte klasse. Binnen de holtedieren wordt (behalve bij de bloemdieren, Anthozoa) onderscheid gemaakt tussen een vastzittend stadium (poliep genoemd) en een vrijzwemmend stadium (kwal of meduse). De steelkwallen wijken hiervan af omdat niet alleen de poliepen, maar ook de kwallen vastzitten op het substraat. Tot nu toe zijn er voor de Nederlandse wateren drie soorten steelkwallen bekend en de verwachting is dat dit er meer gaan worden. Er wordt ingegaan op de herkenning, levenscyclus, ecologie en taxonomie van deze onbekende...
Tipo: Article / Letter to the editor Palavras-chave: Cnidaria; Staurozoa; Nederland; Herkenning; Verspreiding; 42.75.
Ano: 2011 URL: http://www.repository.naturalis.nl/record/512631
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