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The largest cephalopod specimen ever recorded: a 495 kg (1,091 lb) colossal squid. Squids are the largest living cephalopods in terms of each of mantle length, total length, and mass, with the largest species by at least two of these measures being the colossal squid, Mesonychoteuthis hamiltoni.
Cephalopod eggs span a large range of sizes, from 1 to 30 mm in diameter. [128] ... the beak as the protruding tongue and fangs, and its tentacles as the snakes. ...
Sepia apama Sepia elegans Sepia latimanus Sepia officinalis Sepia pharaonis Sepia prashadi Sepia spp.. Sepia is a genus of cuttlefish in the family Sepiidae encompassing some of the best known and most common species.
Cameroceras exhibited a broad range of sizes, and some species were fairly large by extinct cephalopod standards. One species, C. turrisoides from the Boda Limestone of Sweden , [ 2 ] is estimated to have shell around 2 metres (6.6 ft) in length, [ 3 ] while that of C. rowenaense was about 70 centimetres (2.3 ft). [ 1 ]
The nervous system of cephalopods is the most complex of all invertebrates. [54] [55] The giant nerve fibers of the cephalopod mantle have been widely used for many years as experimental material in neurophysiology; their large diameter (due to lack of myelination) makes them relatively easy to study compared with other animals. [56] Eye of ...
Endocerida is an extinct nautiloid order, a group of cephalopods from the Lower Paleozoic with cone-like deposits in their siphuncle. Endocerida was a diverse group of cephalopods that lived from the Early Ordovician possibly to the Late Silurian. Their shells were variable in form.
10. Sirens. Origin: Greek Sirens are another mythological species that have found a home in modern times. There are movies and TV shows about the seductresses with beautiful and enchanted singing ...
Neocoleoidea (most living cephalopods) Coleoidea [ 1 ] [ 2 ] or Dibranchiata is one of the two subclasses of cephalopods containing all the various taxa popularly thought of as "soft-bodied" or "shell-less" (i.e. octopus , squid and cuttlefish ).