Lepidosaur EVERYTHING Flashcards
anapsid
0 fenestra (turtles)
diapsid
2 fenestrations, sauropsids/truly tuatara
synapsid
1 fenestra (mammals
acrodont dentition
peg-like, fused to jaw (chameleons)
pleurodont dentition
fused to side of jawbone (iguanids)
thecodont dentition
in sockets, archosaurs
solenoglyphy
viperids, retractable, hollow
proteroglyphous
elapids and others, fixed grooved front fangs
opisthoglyphy
many colubrids, rear fanged
aglyphous
no fangs, many boas
keeled scales
look spiky
beaded scales
look like beads - chameleons, beaded lizards
osteoderms
bony deposits (only heloderma)
sphenodontidae
family of tuatara. pineal eye, diapsid skull, low kinesis
scincidae
family in squamata. small limbs, short neck, smooth scales, MANY limb losses.
gekkonidae
family in squamata. small, toe pads, this is basic geckos but there are 7 families
cordylidae
the pine cone looking guy, grabs its tail in defense (within skinks)
xantusiidae
night lizard. extremely beaded, smooth head and tail (skink head)
teiidae
family in squamata. whiptails, racerunners, tegu. rectangular ventral scales. forked tongues
bipedidae
family in squamata. mexican burrowing lizard, front legs only
rhineuridae
family in squamata. our family of worm lizards for this exam
lacertidae
wall lizards and true lizards he was like idk man
gymnophthalimidae
spectacled lizards. our specimen is VERY TINY.
elapidae
coral snakes etc. and the big sea snake, all of ours are striped/color blocked
colubridae
varied incredibly pls help me
boidae
boas. aglyphous, pit organ, pelvic spurs
viperidae
pit organs, we have all rattlesnakes that look really pissed off
helodermatidae
family in squamata. beaded lizards - wide body, thick tail, blunt head
anguidae
we will see a glass lizard! very smooth yay
varanidae
monitor lizards. long necks, forked tongues
chameleonidae
compressed, fused digits, acrodont
iguanidae
spikes, dewlap. includes chuckwallas
leiocephalidae
curly-tails
corytophanidae
helmeted lizards (basalisks). looks like a skinny beast with a tiny mohawk
tropiduridae
ground lizards! slash LAVA. ours looks like an iguana with no head crest
dactyloidae
anoles:)
phrynisomatidae
fence lizards, includes the horny toad
crotaphytidae
collared lizards. pleurodont, smooth, patterned (like fence lizard but smoooth and dots)