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Latest Planorbidae Stories

Tiny Malaysian Snails Going Extinct As They Are Discovered
2014-03-27 09:10:20

Pensoft Publishers A Malaysian-Dutch team of biologists have catalogued all 31 species of the tiny, but oh so pretty snail genus Plectostoma from West-Malaysia, Sumatra, and Thailand. Ten species are new to science, but some of those are going extinct as they are being discovered. The study was carried out by PhD student Thor-Seng Liew of Naturalis Biodiversity Center in Leiden, The Netherlands, and three colleagues. Liew, who is on study leave from Universiti Malaysia Sabah, spent four...

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2011-06-05 10:36:30

Think "mass extinction" and you probably envision dinosaurs dropping dead in the long-ago past or exotic tropical creatures being wiped out when their rainforest habitats are decimated. But a major mass extinction took place right here in North America in the first half of the 20th century, when 47 species of mollusk disappeared after the watershed in which they lived was dammed.Now, a population of one of those species"”a freshwater limpet last seen more than 60 years ago and presumed...

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2008-12-22 09:25:00

Genes determining asymmetry probably arose in the first bilaterally symmetric organisms Biologists have tracked down genes that control the handedness of snail shells, and they turn out to be similar to the genes used by humans to set up the left and right sides of the body. The finding, reported online in advance of publication in Nature by University of California, Berkeley, researchers, indicates that the same genes have been responsible for establishing the left-right asymmetry of animals...


Word of the Day
caparison
  • A cloth or covering, more or less ornamented, laid over the saddle or furniture of a horse, especially of a sumpter-horse or horse of state.
  • Clothing, especially sumptuous clothing; equipment; outfit.
  • To cover with a caparison, as a horse.
  • To dress sumptuously; adorn with rich dress.
This word ultimately comes from the Medieval Latin 'cappa,' cloak.
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