Phylum chordata Flashcards Preview

Animal Diversity - year 2 > Phylum chordata > Flashcards

Flashcards in Phylum chordata Deck (18)
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1
Q

what are the 3 subphylum?

A

1) Urochordata
2) cephalochordata
3) Verterbrata

2
Q

what are in the subphylum Urochordata?

A

tunicates and sea squirts

3
Q

describe a feature of the urochordates

A

enclosed in a sac like tunic with incurrent and excurrent siphons

4
Q

what is the in the subphylum cephalochordata and describe their appearance?

A

amphioxus and lancelets - leaf-like or spear-like

5
Q

what group and clade are hagfish in?

A

clade - craniate

group - myxinoidea

6
Q

what group and clade are lampreys in?

A

clade - vertebrata

group - petroyzontoidea

7
Q

what group and clade are sharks and dogfish in

A

clade- gnathostomata

group - Chondrichthyes

8
Q

what clade and group are ray finned fishes in?

A

clade- Osteichthyes

group - Actinopterygiii

9
Q

what clade and group are coelacanths in?

A

clade - sarcopterygia

group - actinistia

10
Q

what clade and group are lungfishes in?

A

clade- choanates

group - dipnoi

11
Q

what clade and group are frogs in?

A

clade - tetrapoda

group - Anura

12
Q

what clade and group are salamanders in?

A

clade- tetrapoda

group - urodela

13
Q

what clade and group are caecilians in?

A

clade- tetrapoda

group - gymnophiona

14
Q

what clade and group are turtles in?

A

clade - sauropsida

group - anapsida

15
Q

what are the 4 sub groups of the group diapsida?

A

1) lepidosauromorpha - ichthyosaursus fossil
2) lepidosauria - lizards and snakes
3) crocodilia
4) aves

16
Q

what are the 3 groups within the clade mammalia?

A

1) monotremes
2) marsupials
3) placentals

17
Q

2 examples of monotremes

A

1) echidna

2) platypus

18
Q

2 examples of marsupials

A

1) Tasmanian devil

2) marsupial mole