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Other mollusks include gastropods, scaphopods and bivalves. Traditionally, the most common classification of the cephalopods has been a four-fold division (by Bather, 1888), into the orthoceratoids, nautiloids, ammonoids, and coleoids. This article is about nautiloids in that broad sense, sometimes called Nautiloidea sensu lato.
Edible molluscs are used to prepare many different dishes, such as Oysters Rockefeller (pictured). This is a partial list of edible molluscs.Molluscs are a large phylum of invertebrate animals, many of which have shells.
Sepia apama Sepia elegans Sepia latimanus Sepia officinalis Sepia pharaonis Sepia prashadi Sepia sp.. Sepia is a genus of cuttlefish in the family Sepiidae encompassing some of the best known and most common species.
Nautilus is a marine cephalopod genus in the mollusk family Nautilidae. Species in this genus differ significantly, morphologically, from the two nautilus species in the adjacent sister-taxon Allonautilus. [2]
Fossilised Orthoceras orthocones.. An orthocone is the long, cone-shaped shell belonging to several species of ancient nautiloid cephalopod—the prehistoric ancestors of today's marine cephalopod mollusks, including the cuttlefishes, nautili, octopi and squids. [1]
The non-marine mollusks of Canada are a part of the molluscan fauna of Canada (wildlife of Canada). A number of species of non-marine mollusks are found in the wild in Canada. A number of species of non-marine mollusks are found in the wild in Canada.
The following is a list of common fish species known to occur in the lakes and rivers of Canada.
Whereas fish or crustaceans brought up from such depths inevitably arrive dead, a nautilus will be unfazed despite the pressure change of as much as 80 standard atmospheres (1,200 psi). The exact reasons for this ability, which is thought to be coincidental rather than specifically functional, are not known, though the perforated structure of ...