Lab Quiz 3-Lepidosaurs Flashcards
What groups are in Lepidosauria?
Rhynchocephalia (including Sphenodon) & squamate reptiles (Squamata)
What are Lepidosaur synapomorphies?
Explain the streptostylic skull.
Explain pleurodont dentition.
What is caudal autonomy?
Name the family:
1 extant genus; 2 extant species ; Found only on small islands off the coast of New Zealand; Nocturnal, Spend day in burrows; often share with petrels, Mostly insectivorous; also known to eat earthworms, snails, bird eggs, nestling birds, lizards, and Leiopelma; Territorial and communicate with conspecifics using iguanian lizard-like displays such as head bobs, erection of dorsal crest, etc.; some vocalizations
What are the distinct features of Sphenodon (Tautara)?
What are the primitive features of Sphenodon?
Explain Sphenodon Metabolism and Reproduction.
Explain Sphenodon fossil record and current conservation status.
Name the Group:
~45 ʻfamiliesʼ, ~7700 species, Wide range of sizes: ~2.5 cm to ~9 m (30 feet!!) in length, Inhabit all terrestrial and aquatic habitats that are sufficiently warm; Some occur north of Arctic Circle; others up to ~5500 m in elevation with short activity seasons; Includes terrestrial, arboreal, saxicolous, arenicolous, burrowing, aquatic, marine, and even gliding forms/ ecomorphs
What are notable squamate synapomorphies?
Explain the highly kinetic skull of squamates.
Explain the hemipenes of Squamates.
Explain the vomernasal system of Squamates.
Explain limb reduction in Squamates.
Explain integument in Squamates.
List the different Squamate ecomorphs.
