Chondrichthyes

Question 1

Hexanchiformes

Answer 1

Selachii - Squalomorphii - cow sharks, frill sharks

Question 2

Squaliformes

Answer 2

Selachii - Squalomorphii - dog fish sharks, lantern sharks, greenland shark, cookie-cutter shark

Question 3

Squantiformes

Answer 3

Selachii - Squalomorphii - angel sharks

Question 4

Pristiophoriformes

Answer 4

Selachii - Squalomorphii - saw sharks

Question 5

Heterodontiformes

Answer 5

Selachii - Galeomorphii - horn sharks

Question 6

Orectolobiformes

Answer 6

Selachii - Galeomorphii - carpet sharks, wobbegongs, bamboo shark, whale shark

Question 7

Lamniformes

Answer 7

Selachii - Galeomorphii - mako sharks, great white sharks, basking sharks, megamouth sharks

Question 8

Carchariniformes

Answer 8

Selachii - Galeomorphii - hammerhead sharks, tiger sharks, bull sharks, bonnet head sharks, swell shark

Question 9

Rajiformes

Answer 9

Skates, guitarfishes

Question 10

Torpedoniformes

Answer 10

electric rays. 69 sp. viviparous. 2 rounded dorsal fins and thick, stout tail for locomotion. Two electric organs lateral to head formed from modified scales

Question 11

Pristiformes

Answer 11

Sawfishes - slow maturing, nocturnal, oviparous, long rostral blade snout projection

Question 12

Myliobatiformes

Answer 12

sting rays, manta rays, eagle rays. Viviparous, lack dorsal fin, whip-like tail, plate like crushing teeth

Question 13

oscillation

Answer 13

Less than half a wave present in pectoral fin

Question 14

undulation

Answer 14

More than one wave present on the pectoral fin at a time