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Squaliformes (Dogfish Sharks) | 水產百科網

Squaliformes (Dogfish Sharks)

Squaliformesisauniqueorderofsharksinthatatleastonerepresentative,theGreenlandshark,isacommoninhabitantofpolarwaters.Althoughsome ...

 Squaliformes (Dogfish Sharks)

(Dogfish sharks)

Class Chondrichthyes

Order Squaliformes

Number of families 7

Evolution and systematics

The order Squaliformes contains 22 genera, 98 formally described species, and at least 17 known but undescribed species. However, higher-level systematics is not pure science, and hence it should not be surprising that experts may define the order Squaliformes somewhat differently. Some do not include the bramble sharks, Echinorhinidae, and others exclude additional groups, justifying their decisions on various fine morphological details. In this chapter, we will consider the order Squaliformes to comprise a more traditional and inclusive group of sharks, which includes the bramble sharks (Echinorhinidae), the dogfish sharks (Squalidae), the gulper sharks (Centrophoridae), the lantern sharks (Etmopteridae), the sleeper sharks (Somniosidae), the r...

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Squaliformes | 水產百科網
The Squaliformes /ˈskwɒlɪfɔːrmiːz/ are an order of sharks that includes about 126 species in seven families. Members of the order have two dorsal fins, ... Read More
Squaliformes - sleeper sharks | 水產百科網
Some species have spines on one or both of their dorsal fins. They have torpedo-​shaped bodies and are found in all the world oceans, usually in deep water. They​ ... Read More
Squaliformes | 水產百科網
Squaliformes · FamilyCentrophoridaeGulper sharks · FamilyDalatiidaeSleeper sharks. Dalatiidae: pictures (1) · FamilyEchinorhinidaeBramble sharks · Family ... Read More
SQUALIFORMES | 水產百科網
A large and diverse group of sharks with two dorsal fins, usually commencing with a spine, the first dorsal fin originating well before the pelvic fins; 5 gill slits, ... Read More
Order Summary for Squaliformes | 水產百科網
Two dorsal fins, with or without spines; anal fin absent; five gill slits; spiracles present; nictitating lower eyelid absent. Many species are known from deep water​. Read More
角鲨目 | 水產百科網
角鲨目（學名：Squaliformes），是一类没有臀鳍，有两个背鳍的鲨鱼的总称。吻部呈板状，无鬚，也不生侧齿。此類鯊魚多為棲息在深海的小型鯊魚。 Read More
Guide to Shark Identification | 水產百科網
Order Squaliformes — Dogfish Sharks ... Dogfishes are generally bottom-​oriented inhabitants of the deep-sea and thus few species are likely to be encountered by ... Read More
Squaliformes | 水產百科網
Order Squaliformes: Dogfish Sharks — 119 species. Cladogram of elasmobranch groups, showing the position of the dogfishes. five pairs of gill slits; two dorsal ... Read More
ITIS Standard Report Page | 水產百科網
Subclass, Elasmobranchii – cartilaginous fishes, rays, sharks, skates, torpedoes. Superorder, Euselachii. Order, Squaliformes Compagno, 1973 – dogfish sharks. Read More
Squaliformes (Dogfish Sharks) | 水產百科網
Squaliformes is a unique order of sharks in that at least one representative, the Greenland shark, is a common inhabitant of polar waters. Although some ... Read More
相關資訊整理

【短吻棘鮫Squalus megalops】棘鮫科 (Squalidae)

水產分類:台灣常見的大陸水產品圖說中文名稱:短吻棘鮫學名:Squalusmegalops科別名稱:棘鮫科(Squalidae)命名學者:(Macleay)

【長吻棘鮫Squalus japonicus】棘鮫科 (Squalidae)

水產分類:台灣常見的大陸水產品圖說中文名稱:長吻棘鮫學名:Squalusjaponicus科別名稱:棘鮫科(Squalidae)命名學者:Ishikawa