Snake Lab Flashcards
(15 cards)
Aglyph?
No fangs
Opisthoglyph?
Solid fangs at back
Proteroglyph?
Hollow fangs at front
Solenoglyph?
Hollow fangs that can rotate
Who does vertical S neck bends?
Cryptodines, in Order Testudine
Who does horizontal neck bending and are semi aquatic?
Pleurodines, in Order Testudine
Crocodiles vs alligators, 3 differences
Crocs: V or A shape snout, brackish water, seperated toes
Alligators: U or C shape snout, fresh water, webbed toes
Diapsid arches from what?
Upper: postorbital and squamosal (think UPS)
Lower: jugal and quadrojugal (think LJ)
How to ID trachae vs espophogus
Follow where they go. Trachae “ends” at heart (goes underneath to attatch to lung)
If fresh, trachea will be more clear and have ridges to force it to stay open
Order of head scales (snoot on bottom)
Throat) parietal, supraocular, frontal (x1 only in middle), prefrontal, internasal, rostrum (x1 in middle) (snoot
Order of the following from head to tail: stomach, heart, liver, lungs
Head) heart, lungs, liver, stomach (Tail
Vans defernes?
Males
Sperm delivery
Thin, white tube
Asynapsid?
0 fenestra
Turtle’s
What type of septum
Incomplete ventricular
Name: 2 infraclasses IC, 2 superorders SO, 3 orders O, and 3 suborders bO
IC Lepidosauroiforma
SO Lepidosauroiformes
O Rhynchocephalia (taurtara)
O Squamata
bO Laceritilia (lizards
bO Serpentes
bO Amphisbaenia (wormlizards)
IC Archosauromorpha
SO Crocodilymorpha
O Crocodilia
