Lepidosaurs; Lizards II (Sqamates)

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ECCB 315 Herpetology

Last updated 5:08 PM on 3/19/26

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27 Terms

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<ul><li><p>pre-anal pores—> use magnifying glass</p></li><li><p>like the common gecko you see in your backyard</p></li></ul><p></p>

pre-anal pores—> use magnifying glass
like the common gecko you see in your backyard

Order Squamata
- Clade Gekkota
  - Eublepharidae
    - Coleonyx brevis

<ul><li><p>Order Squamata</p><ul><li><p>Clade Gekkota</p><ul><li><p>Eublepharidae</p><ul><li><p><em>Coleonyx brevis</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>has small raised granular scales all along the back</p></li></ul><p></p>

has small raised granular scales all along the back

Order Squamata
- Clade Gekkota
  - Eublepharidae
    - Coleonyx reticulatus

<ul><li><p>Order Squamata</p><ul><li><p>Clade Gekkota</p><ul><li><p>Eublepharidae</p><ul><li><p><em>Coleonyx reticulatus</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>has many raised tuburcules all over it’s body—> gives a warty appearance </p></li></ul><p></p>

has many raised tuburcules all over it’s body—> gives a warty appearance

Order Squamata
- Clade Gekkota
  - Gekkonidae
    - Gekko gecko

<ul><li><p>Order Squamata</p><ul><li><p>Clade Gekkota</p><ul><li><p>Gekkonidae</p><ul><li><p><em>Gekko gecko</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>enlarged tubercules on scales</p></li></ul><p></p>

enlarged tubercules on scales

Order Squamata
- Clade Gekkota
  - Gekkonidae
    - Hemidactylus turcicus

<ul><li><p>Order Squamata</p><ul><li><p>Clade Gekkota</p><ul><li><p>Gekkonidae</p><ul><li><p><em>Hemidactylus turcicus</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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Squamata
- Scincomorpha
  - Cordylidae
    - Smaug giganteus

<ul><li><p>Squamata</p><ul><li><p>Scincomorpha</p><ul><li><p>Cordylidae</p><ul><li><p><em>Smaug giganteus</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>keratonous layer of scales covering osteoderms</p></li><li><p>lateral skinfold</p></li><li><p>large keeled scales</p></li></ul><p></p>

keratonous layer of scales covering osteoderms
lateral skinfold
large keeled scales

Squamata
- Scincomorpha
  - Gerrhosauridae
    - Broadleysaurus major

<ul><li><p>Squamata</p><ul><li><p>Scincomorpha</p><ul><li><p>Gerrhosauridae</p><ul><li><p><em>Broadleysaurus major</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>one enlarged pre-anal scale</p></li></ul><p></p>

one enlarged pre-anal scale

Squamata
- Scincomorpha
  - Lacteridae
    - Lacerta viridis

<ul><li><p>Squamata</p><ul><li><p>Scincomorpha</p><ul><li><p>Lacteridae</p><ul><li><p><em>Lacerta viridis</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>see 2 dark <strong>lateral</strong> lines going down it’s back</p></li><li><p>has a darker area of color going down it’s back in between those lines</p></li></ul><p></p>

see 2 dark lateral lines going down it’s back
has a darker area of color going down it’s back in between those lines

Squamata
- Scincomorpha
  - Scincidae
    - Scincella lateralis

<ul><li><p>Squamata</p><ul><li><p>Scincomorpha</p><ul><li><p>Scincidae</p><ul><li><p><em>Scincella lateralis</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>5 Lined Scink </p></li><li><p>5 lines going down the back that reach the tail</p></li></ul><p></p>

5 Lined Scink
5 lines going down the back that reach the tail

Squamata
- Scincomorpha
  - Scincidae
    - Plestiodon fasciatus

<ul><li><p>Squamata</p><ul><li><p>Scincomorpha</p><ul><li><p>Scincidae</p><ul><li><p><em>Plestiodon fasciatus</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<p><strong>Broad </strong>headed lizard</p><ul><li><p>pretty distinguishable because of it’s enlarged head</p></li></ul><p></p>

Broad headed lizard

pretty distinguishable because of it’s enlarged head

Squamata
- Scincomorpha
  - Scincidae
    - Plestiodon latticeps

<ul><li><p>Squamata</p><ul><li><p>Scincomorpha</p><ul><li><p>Scincidae</p><ul><li><p><em>Plestiodon latticeps</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>very smooth looking</p></li><li><p>pay attention to the shape of the scales</p></li></ul><p></p>

very smooth looking
pay attention to the shape of the scales

Squamata
- Scincomorpha
  - Scincidae
    - Plestiodon obsoletus

<ul><li><p>Squamata</p><ul><li><p>Scincomorpha</p><ul><li><p>Scincidae</p><ul><li><p><em>Plestiodon obsoletus</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>cloacal opening is a different shape than <em>Plestiodon tetragramus</em></p></li><li><p>look for the lines coming form the nose and head</p></li></ul><p></p>

cloacal opening is a different shape than Plestiodon tetragramus
look for the lines coming form the nose and head

Squamata
- Scincomorpha
  - Scincidae
    - Plestiodon septentrionalis

<ul><li><p>Squamata</p><ul><li><p>Scincomorpha</p><ul><li><p>Scincidae</p><ul><li><p><em>Plestiodon septentrionalis</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>has two lines going from the back of its eyes to the shoulders; then two more lines next to them going to the shoulder= <strong>4 lines—> think tetra</strong></p></li><li><p>has an enlarged post-mental scale</p><ul><li><p>means it has one single large scale on it’s “chin”</p></li></ul></li></ul><p></p>

has two lines going from the back of its eyes to the shoulders; then two more lines next to them going to the shoulder= 4 lines—> think tetra
has an enlarged post-mental scale
- means it has one single large scale on it’s “chin”

Squamata
- Scincomorpha
  - Scincidae
    - Plestiodon tetragrammus

<ul><li><p>Squamata</p><ul><li><p>Scincomorpha</p><ul><li><p>Scincidae</p><ul><li><p><em>Plestiodon tetragrammus</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>rectangular scale shape on ventral side of body</p></li></ul><p></p>

rectangular scale shape on ventral side of body

Squamata
- Scincomorpha
  - Teiidae
    - Ameiva sp.

<ul><li><p>Squamata</p><ul><li><p>Scincomorpha</p><ul><li><p>Teiidae</p><ul><li><p><em>Ameiva sp. </em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>has 6 lines going from head to start of tail</p></li><li><p>has darker surfaces in between the lines</p></li><li><p>has small dots in those dark surfaces</p></li><li><p>very keeled scales on tail</p></li></ul><p></p>

has 6 lines going from head to start of tail
has darker surfaces in between the lines
has small dots in those dark surfaces
very keeled scales on tail

Squamata
- Scincomorpha
  - Teiidae
    - Aspidoscelis exsanguis

<ul><li><p>Squamata</p><ul><li><p>Scincomorpha</p><ul><li><p>Teiidae</p><ul><li><p><em>Aspidoscelis exsanguis</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>very dark ventral side on chest</p></li><li><p>has the lines going down back </p></li><li><p>darker overall</p></li></ul><p></p>

very dark ventral side on chest
has the lines going down back
darker overall

Squamata
- Scincomorpha
  - Teiidae
    - Aspidoscelis gularis

<ul><li><p>Squamata</p><ul><li><p>Scincomorpha</p><ul><li><p>Teiidae</p><ul><li><p><em>Aspidoscelis gularis</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>6 very light lines going down back; no dotting in between the lines</p></li><li><p>very keeled scales on tail</p></li></ul><p></p>

6 very light lines going down back; no dotting in between the lines
very keeled scales on tail

Squamata
- Scincomorpha
  - Teiidae
    - Aspidoscelis inornata

<ul><li><p>Squamata</p><ul><li><p>Scincomorpha</p><ul><li><p>Teiidae</p><ul><li><p><em>Aspidoscelis inornata</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>very dark color overall</p></li><li><p>very pronounced ventral rectangular scales</p></li><li><p>no lines on back at all</p></li></ul><p></p>

very dark color overall
very pronounced ventral rectangular scales
no lines on back at all

Squamata
- Scincomorpha
  - Teiidae
    - Aspidoscelis marmorata

<ul><li><p>Squamata</p><ul><li><p>Scincomorpha</p><ul><li><p>Teiidae</p><ul><li><p><em>Aspidoscelis marmorata</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>has 6 lines going down the back from the head to the base of the tail</p></li><li><p>in the very middle of the back there is also a thick lighter line in between the two lines—> makes it look like there are 7 lines</p></li><li><p>darker dorsal side, lighter ventral side</p></li></ul><p></p>

has 6 lines going down the back from the head to the base of the tail
in the very middle of the back there is also a thick lighter line in between the two lines—> makes it look like there are 7 lines
darker dorsal side, lighter ventral side

Squamata
- Scincomorpha
  - Teiidae
    - Aspidoscelis sexlineata

<ul><li><p>Squamata</p><ul><li><p>Scincomorpha</p><ul><li><p>Teiidae</p><ul><li><p><em>Aspidoscelis sexlineata</em></p></li></ul></li></ul></li></ul></li></ul><p></p>

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<ul><li><p>darker undertone with very light stripes going down back</p></li><li><p>has some dotting in between the lines BUT the lines connect into a blotching pattern on the sides </p></li></ul><p></p>

darker undertone with very light stripes going down back
has some dotting in between the lines BUT the lines connect into a blotching pattern on the sides