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Flashcards in Taxa features Deck (18)
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1
Q

Vertebrata DOESN’T include

A

Myxiniformes (hagfish)

2
Q

Gnathostomata DOESN’T include

A

Myxiniformes (hagfish)

Petromyzontiformes (lampreys)

3
Q

Features of osteichthyes

A

Skull of many bones + sutures
Rays usually segmented
Lung or swim bladder usually present
Low urea concentration

4
Q

Features of actinopterygii

A

Ray-finned fish
Pectoral girdle attached to scapular-coracoid
Interopercular and branchiostegals usually present
Internal nostrils absent
Usually have a swim bladder
Spiral valve usually absent

5
Q

Groups NOT in actinopterygii

A
Coelacanthiformes
Chondrichthyes
Myxiniformes
Dipnoi
Petromyzontiformes
6
Q

Features of teleostei

A

Homocercal tail
Uroneural bones
Mobile premaxillae
Unpaired basibranchials

7
Q

Groups NOT in teleostei

A
Polypteriformes
Acipensiformes
Coelacanthiformes
Chondrichthyes
Myxiniformes
Amiiformes
Lepistosteiformes
Dipnoi
Petromyzontiformes
8
Q

Features of acathopterygii

A

Anterior fin composed of spines + solid bone - not segmented
Most have physoclistous swimbladder
Scales are usually ctenoid
Usually two dorsal fins (first spiny, second soft-rayed)
Pelvic girdle usually anterior (often connected to pectoral girdle)

9
Q

Acathopterygii

A

Spiny-rayed fishes

10
Q

Groups in acanthopterygii

A
Mugiliformes
Beloniformes
Cyprinodontiformes
Gasterosteiformes
Scorpaeniformes
Beryciformes
Perciformes
Pleuronectiformes
Tetraodontiformes
11
Q

Groups NOT in acanthopterygii

A
Lopiiformes
Batrachoidiformes
Gadiformes
Percopsiformes
Aulopiformes
Stomiiformes
Esociformes
Salmoniformes
Osmeriformes
Saccopharyngiformes
Anguilliformes
Osteoglossiformes
Amiiformes
Lepistosteiformes
Dipnoi
Petromyzontiformes
Myxiniformes
Chondrichthyes
Coelacanthiformes
Acipensiformes
Polypteriformes
Clupeiformes
Ostariophysi
Myctophiformes
Lampridiformes
12
Q

Grousp in ostariophysi

A
Gymnotiformes
Siluriformes
Characiformes
Cypriniformes
Gonorhynchiformes
13
Q

Three groups contributing to highest species richness

A

Cypriniformes (2000 species)
Cichlidae (2000 species)
Gobiidae (2000 species)

14
Q

Ostariophysi

A
Gymnotiformes
Siluriformes
Characiformes
Cypriniformes
Gonorhynchiformes
15
Q

Scorpaeniformes

A
Liparidae
Cyclopteridae
Agonidae
Cottidae
Rhamphocottidae
Anoplopomatidae
Hexagrammidae
Scorpaenidae
16
Q

Obligate freshwater groups

A
Percidae
Channidae
Cichlidae
Cyprinodontiformes
Percopsiformes
Esociformes
Gymnotiformes
Siluriformes
Characiformes
Cypriniformes
Polypteriformes
Dipnoi
Lepistosteiformes
Amiformes
Osteoglossiformes
17
Q

Chondrichthyes

A

Holocephali
Galeomorphi
Squaliformes
Batoidea

18
Q

Apogonidae

A

Nocturnal - red colouration + tapetum