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Dosinia: Mollusca, Bivalvia, Cuttlefish, Phylum, Squid, Colossal Squid
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| Please note that the content of this book primarily consists of articles
available from Wikipedia or other free sources online. The Mollusca,
common name molluscs or mollusksis a large phylum of invertebrate
animals. There are around 85,000 recognized extant species of molluscs.
This is the largest marine phylum, comprising about 23% of all the named
marine organisms. Numerous molluscs also live in freshwater and
terrestrial habitats. Molluscs are highly diverse, not only in size and
in anatomical structure, but also in behaviour and in habitat.The phylum
Mollusca is typically divided into nine or ten taxonomic classes, of
which two are extinct. The gastropods (snails and slugs) include by far
the most classified species, accounting for 80% of the total. Cephalopod
molluscs such as squid, cuttlefish and octopus are among the most
neurologically advanced invertebrates. Either the giant squid or the
colossal squid is the largest known species of animal without a
backbone. |
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i.d.R. innert 7-14 Tagen versandfertig
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