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Class: Reptilia
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What are the the general characteristics of class:
Reptilia
?
1. Fully terrestrial
2. Developed amniote (Cleidoic) egg in which the embryo has extraembryonice membranes and a relatively relatively impermeable shell.
What are the membrane names and functions?
1. yolk- involved in nutririon
2. allantois- waste removal
3. amnion- protection and moisture
4. chorion- respiration
What are the four subclasses in class:
Reptilia
?
1.
Anapsida
2.
Testudinata
3.
Diapsida
4.
Synapsida
What does the word Anapsida mean?
No Hole
What subclass gave rise to other reptiles?
Anapsida
What is the order that is found in subclass
Anapsida
?
Cotylosauria
What animals does order
Cotylosauria
contain?
Stem reptiles, much like amphibians.
What subclass was once and order within
Anapsida
?
Testudinata
What animal is found in subclass
Testudinata
and what special structures does if have?
Turtle -
Its ribs are modified to make carapace
;
no teeth, just a sharp horny beak
;
girdles inside ribs
.
What does the word Diaspsida mean?
Two Holes
What are the four infraclasses in subclass
Diapsida
?
1. Lepidosauria
2. Archosauria
3. Ichthyosauria
4. Sauropterygia
What are the two orders found in infraclass Lepidosauria?
1.
Rhyncocephalia
2.
Squamata
What genus is found in order
Rhyncocephalia
?
What are its characteristics?
Sphenodon
: teeth fused to jaw; abdominal ribs
What are the three suborders found in order
Squamata
?
What animals are found in each?
1.
Sauria
: Lizards
2.
Serpentes
: Snakes
3.
Amphisbaenia
: Amphisbaenians
What are the characteristics of infraclass
Archosauria
?
ruling reptiles; these are advanced diapsids.
What are the five orders in infraclass
Archosauria
?
What animals are found in them?
1.
Thecodontia
: Ancestral archosaurs
2.
Crocodilia
: Crocodiles, aligators
3.
Pterosauria
: flying reptiles
4.
Saurischia
: reptile like dinosaurs; gave rise to birds
5.
Ornithischia
: bird like dinosaurs; went extinct
What animals are found in infraclass
Ichthyosauria
?
Ichthyosaurs (fish shaped reptiles)
What are the animals found in infraclass
Sauropterygia
?
Plesiosaurs
What are the orders found in subclass
Synapsida
?
What are there characteristics?
1.
Pelycosauria
: primitive synapsids
2.
Therapsida
: modern synapsids, gave rise to mammals
Author
mc166589
ID
102376
Card Set
Class: Reptilia
Description
Comparative anatomy lecture test number one.
Updated
2011-09-18T01:43:01Z
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