Taxonomy Overview Flashcards
1
Q
Crianata
A
All the fish we studied
Simply have hard protection of head
2
Q
Vertebrata
A
Everything except the hagfish
Have any vertebrae or ancestral features
3
Q
Gnathostomata
A
Jawed vertebrates
All the fish except hagfish and lamprey
4
Q
Osteichthyes
A
Bony fishes
skull with sutures, many bones
low urea concentration
This excludes the chondrichtyes
5
Q
Actinopterygii
A
Ray-finned fishes
Dominant group
Excludes the coelocanth
6
Q
Teleostii
A
True bony fishes
homocercal tail
mobile premaxillae
Excludes sturgeon and bichir
7
Q
Acanthopterygii
A
Spiny ray finned fishes
Anterior fin composed of many spines
Physoclistous bladder
Ctenoid scales
