Mikey Flashcards

1
Q

Four orders of reptilia in straya (plus NZ)

A

Crocs (2 species found in Oz), Turtles (22 sp in Oz), Squamates (801 species), Tuatara (dragony lizard things) in NZ

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Difference between systematics, taxonomy, phylogeny

A

Taxon - gives names
Phylog - gives evolutionary history
System - combination of both

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Common feature of archosaur group

A

Birds + Crocs - hard shelled egg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

How old are crocs, where are they distributed and how are they different to alligators?
2 species?

A
240 mil years
Tropical 
Rounded head and fourth tooth protuding 
freshies - johnstoni
salties - porosus
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Differece between turtles vs tortoises

A

Turtles - web feet Tortoise - Club feet (no tortoises in oz)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

2 families of freshwater turtles?

2 Families of salties?

A

Chelidae - side necked turtles
carettochelydidae - pitted shell turtle

Cheloniidae - green/loggerhead/hawksbill turtle
Dermochelyidae - Leatherback turtle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Lizard families of Oz

A
Gekkonidae
Pygopodidae (legless)
Scincidae (skinks)
Agamidae (dragons)
Goannas (Varanidae)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Gekko facts?

A
Nocturnal
110 sp in oz
tail autotomy (drop tails)
Vocal
Varying feet structure (some sticky by tiny hairs!)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Subfams of gecko

A

Banded gekkos (eublopharinae - only in North America oldest)
Knob tails/leaf tails/chameleon - Carphodactynilae
Spiny tails- Diplodactylinae
Gekkoninae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Example of derived character uniting gekkos except eublopharinae and not found in ‘outgroups’ (blue tongued lizard for example)

A
Fixed spectacle (no moving eyelid)
Also known as synapomorphy
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Example of derived character uniting only carpho and diplo

A

More scalloped pupil in eye

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Unique Feature of gekkoninae

synapomorphy of all geckos

A

Hard Shelled egg (autapomorphy)

Clutch of only 2 eggs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Pygopodidae

A

Tail droppers
Only found in Oz and PNG
34 species
Insectivores

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

5 diffs between snake and pygopodidae

A
Have leg flaps (leftover from full legs)
Longer tails with increased vertebrae number than snake
Can vocalise
Have ears
Tongue is fleshy (Snake has forked)
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Evolutionary history of pygopodidae?

A

Non - monophyletic group (paraphyletic)

Specialised gecko from carphodactylinae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Scincidae sp number and common features?

A

365 species
autotomy
lives in top layer of soil
eyelids sometimes sealed over with a window (halfway between lizard and gecko)

17
Q

Why is the pygmy blue tongue interesting?

A

Was thought to be extinct in 1950 then rediscoveres in a snake stomach!
Also their tongues are UV

18
Q

What do fossorial skinks show?

A

(burrowing) The lack of limbs as lizards evolved to not need them

19
Q

Features of Agamidae

A

Dragons 65 sp.
sit and wait, fast-moving
Can change colours/visual displays

20
Q

Who is Mungoon-Gali?

A

Megalania Prisca
Giant goanna around 5.5 m long
Poisonous bite part of megafauna
In aboriginal culture

21
Q

Why are the lizards considered a paraphyletic group?

A

Becauses serpientes (snakes) have evolved from and within the snakes.