''Chtenopteryx sicula'', also known as the comb-finned squid or toothed-fin squid, is a species of squid native to at least the

Mediterranean Sea The Mediterranean Sea is a sea connected to the Atlantic Ocean, surrounded by the Mediterranean Basin and almost completely enclosed by land: on the north by Western and Southern Europe and Anatolia, on the south by North Africa, and on the ...

. It is characterised by several distinct morphological features: ocular

photophore A photophore is a glandular organ that appears as luminous spots on various marine animals, including fish and cephalopods. The organ can be simple, or as complex as the human eye; equipped with lenses, shutters, color filters and reflectors, ...

s are present but visceral photophores are absent,

arm In human anatomy, the arm refers to the upper limb in common usage, although academically the term specifically means the upper arm between the glenohumeral joint (shoulder joint) and the elbow joint. The distal part of the upper limb between th ...

suckers are arranged in at least 4 series distally, and club suckers are borne in more than 8 series. The

type specimen In biology, a type is a particular specimen (or in some cases a group of specimens) of an organism to which the scientific name of that organism is formally attached. In other words, a type is an example that serves to anchor or centralizes th ...

was collected off Messina,

Italy Italy ( it, Italia ), officially the Italian Republic, ) or the Republic of Italy, is a country in Southern Europe. It is located in the middle of the Mediterranean Sea, and its territory largely coincides with the homonymous geographical ...

; the specific name ''sicula'' means "of Sicily". It is deposited at the Muséum d'Histoire Naturelle (Musée Barla) in

Nice Nice ( , ; Niçard dialect, Niçard: , classical norm, or , nonstandard, ; it, Nizza ; lij, Nissa; grc, Νίκαια; la, Nicaea) is the prefecture of the Alpes-Maritimes departments of France, department in France. The Nice urban unit, agg ...

.Current Classification of Recent Cephalopoda
Image:Chtenopteryx sicula2.jpg, Ventral view of the viscera, showing the absence of a visceral photophore and the presence of the accessory nidamental gland.

References

External links

Tree of Life web project: ''Chtenopteryx sicula''
Squid Cephalopods described in 1851 Marine molluscs of Europe Cephalopods of Europe {{squid-stub

References

Further reading

External links