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Squalomorphii

Index Squalomorphii

Squalomorphii is a superorder of cartilaginous fishes, generally characterized by lacking traits such as an anal fin, nictitating membrane, or suborbital shelves in the cranium. [1]

26 relations: Anatomical terms of location, Angelshark, Animal, Benthic zone, Centrophoridae, Chlamydoselachus, Chondrichthyes, Chordate, Cow shark, Dalatiidae, Echinorhinus, Elasmobranchii, Etmopteridae, Family (biology), Hexanchiformes, Jurassic, Nictitating membrane, Order (biology), Oxynotus, Sawfish, Sawshark, Somniosidae, Species, Spiny dogfish, Squalidae, Squaliformes.

Anatomical terms of location

Standard anatomical terms of location deal unambiguously with the anatomy of animals, including humans.

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Angelshark

The angelsharks are a group of sharks in the genus Squatina in the family Squatinidae, which are unusual in having flattened bodies and broad pectoral fins that give them a strong resemblance to rays.

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Animal

Animals are multicellular eukaryotic organisms that form the biological kingdom Animalia.

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Benthic zone

The benthic zone is the ecological region at the lowest level of a body of water such as an ocean or a lake, including the sediment surface and some sub-surface layers.

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Centrophoridae

The Centrophoridae are a family of squaliform sharks.

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Chlamydoselachus

Chlamydoselachus is a genus of sharks and the sole extant member of the family Chlamydoselachidae, in the order Hexanchiformes.

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Chondrichthyes

Chondrichthyes (from Greek χονδρ- chondr- 'cartilage', ἰχθύς ichthys 'fish') is a class that contains the cartilaginous fishes: they are jawed vertebrates with paired fins, paired nares, scales, a heart with its chambers in series, and skeletons made of cartilage rather than bone.

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Chordate

A chordate is an animal belonging to the phylum Chordata; chordates possess a notochord, a hollow dorsal nerve cord, pharyngeal slits, an endostyle, and a post-anal tail, for at least some period of their life cycle.

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Cow shark

Cow sharks are a family, the Hexanchidae, of sharks characterized by an additional pair or pairs of gill slits.

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Dalatiidae

The Dalatiidae are the family of kitefin sharks of the order Squaliformes (the term "kitefin shark" also refers specifically to the species Dalatias licha).

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Echinorhinus

Echinorhinus is the only extant genus in the family Echinorhinidae.

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Elasmobranchii

Elasmobranchii is a subclass of Chondrichthyes or cartilaginous fish, including the sharks (superorder Selachii) and the rays, skates, and sawfish (superorder Batoidea).

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Etmopteridae

The Etmopteridae are a family of sharks in the order Squaliformes, commonly known as lantern sharks.

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Family (biology)

In biological classification, family (familia, plural familiae) is one of the eight major taxonomic ranks; it is classified between order and genus.

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Hexanchiformes

The Hexanchiformes are the order consisting of the most primitive types of sharks, and numbering just seven extant species.

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Jurassic

The Jurassic (from Jura Mountains) was a geologic period and system that spanned 56 million years from the end of the Triassic Period million years ago (Mya) to the beginning of the Cretaceous Period Mya.

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Nictitating membrane

The nictitating membrane (from Latin nictare, to blink) is a transparent or translucent third eyelid present in some animals that can be drawn across the eye from the medial canthus for protection and to moisten it while maintaining vision.

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Order (biology)

In biological classification, the order (ordo) is.

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Oxynotus

Oxynotus is a genus of sharks in the order Squaliformes, commonly known as the rough sharks.

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Sawfish

Sawfishes, also known as carpenter sharks, are a family of rays characterized by a long, narrow, flattened rostrum, or nose extension, lined with sharp transverse teeth, arranged in a way that resembles a saw.

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Sawshark

A sawshark or saw shark is a member of a shark order (Pristiophoriformes) bearing a unique long, saw-like rostrum (snout or bill) edged with sharp teeth, which they use to slash and disable their prey.

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Somniosidae

The Somniosidae are a family of sharks in the order Squaliformes, commonly known as sleeper sharks.

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Species

In biology, a species is the basic unit of classification and a taxonomic rank, as well as a unit of biodiversity, but it has proven difficult to find a satisfactory definition.

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Spiny dogfish

The spiny dogfish, spurdog, mud shark, or piked dogfish (Squalus acanthias) is one of the best known species of the Squalidae (dogfish) family of sharks, which is part of the Squaliformes order.

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Squalidae

The Squalidae, also called dogfish sharks or spiny dogfishes, are a family of sharks in the order Squaliformes.

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Squaliformes

The Squaliformes are an order of sharks that includes about 126 species in seven families.

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Redirects here:

Squalea, Squalomorph.

References

[1] https://en.wikipedia.org/wiki/Squalomorphii

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