Wednesday, February 18, 2015

To confirm this hypothesis, Chih-Wei Huang and colleagues at Taiwan Normal University plaque took a


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Whaaat? Friday casual science - Aegista diversifamilia is the new species of snail described recently in Taiwan, and so named by its discoverers to remember that family, there are various types. At a time in history when so much is being debated but equal rights still seems a distant mirage.
"During the period when we were preparing the article," says Yen-Chang Lee, one of the authors, "in Taiwan and in many other states and countries are fighting for the recognition of marriages between persons of the same sex. This made us remember that the order of gastropods Pulmonata are hermaphrodites, meaning that every individual has both male and female plaque reproductive organs. Represent the diversity of sexual orientation in the animal kingdom. We decided it would be a good opportunity to give the new species name we remember the efforts to obtain recognition of marriages between persons of the same sex. "
For years this snail has managed plaque to escape even in the eyes of the most experienced, confused with very similar (and widespread) Aegista plaque subchinensis. Only in 2003, Lee noted that among the populations of the areas of the western and eastern areas, separated from the Central Mountain Range, the largest mountain range in Taiwan, there were important differences. And that's when he started to think that maybe, between the snails that always had thought to belong plaque to a single species, were hidden rather cryptic species: very similar, difficult to distinguish by eye and to classify.
To confirm this hypothesis, Chih-Wei Huang and colleagues at Taiwan Normal University plaque took advantage of three molecular markers and detailed morphological analysis, so as to estimate the differences and the relationship between those snails apparently so close together. The team then published the results, along with Lee, the journal ZooKeys. "When we examined the phylogeny from each gene," says Huang, "the data we have suggested that the 'Aegista subchinensis the eastern areas was closer taxonomically to Aegista vermis, a similar species that lives on the island of Ishigaki, compared its conspecific in the west. "
The confirmation came to discover plaque that it was actually an entirely different plaque species, or Aegista diversifamilia. With hindsight, the scientists noticed that the new species is slightly larger than Aegista subchinensis, and the shape of its shell is a bit 'flatter.
About Eleonora Degano (347 Articles)
I have a degree in biology (biodiversity of terrestrial and marine) and I attended the Master in Science Journalism digital SISSA in Trieste. I find it on National Geographic Italy and pagina99. On Twitter areEleonoraseeing
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