Herpetology Laboratory Midterms

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Large ventral plates

• Smaller body size

• Lower & more oblique ridges in front of eyes

• Few but large post-occipital scales

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Herpetology

52 Terms

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Large ventral plates

• Smaller body size

• Lower & more oblique ridges in front of eyes

• Few but large post-occipital scales

Crocodylus mindorensis

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• Without large ventral plates

• Larger body size

• Less lower & more oblique ridges in front of eyes

• Many but fine post-occipital scales

Crocodylus porosus

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intergular

gular

humeral

pectoral

abdominal

femoral

anal

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cervical

marginals

pleural

vertebral

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Pelodiscus sinensis; invasive

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eretmochelys imbricata/hawksbill

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green turtle - Chelonia mydas

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Olive ridley - Lepidochelys olivacea

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loggerhead - caretta caretta

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dermochelys coriacea

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  1. rostral

  2. Nasal

  3. prefontal

  4. supraoculars

  5. frontoparietal

  6. interparietal

  7. upper secondary temporal

  8. nuchals

  9. parietal

  10. frontal

  11. frontonasal

  12. supranasal

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• Limbs vary from strong to vestigial rods or absent

• Have round pupils

• Upper surface of head covered with symmetrical shields

Squamata: Lacertilia

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Tropidophorus grayi; Lacertilia

Very keeled

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Eutropis multicarinata; Lacertilia

Moderately keeled

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Brachymeles orientalis; Lacertilia

Smooth

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Cyrtodactylus annulatus; Lacertilia

Grainy/granular

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1. Triangular heads

2. Keeled scales

3. Long tail

4.Well Developed Limbs

mid dorsal crest

Squamata: Agamidae

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1. Triangular heads

2. Keeled scales

3. Long tail

4.Well Developed Limbs

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Agamidae: Draco spp.

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Agamidae: Bronchocoela spp.

Super long tail, 3x the SVL

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<p>.</p>

.

Agamidae: Hydrosaurus pustulatus. male, dako ug fin, continued scale

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Agamidae: Hydrosaurus pustulatus. female; gamay ug tail, discontinued scale

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Agamidae: Gonocephalus spp.

Genetically diverse but morphologically wise, no differences

1. G. semperi - mindoro

2. G. sophiae - visayan paic

3. G. interruptus - mindanao

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Dibamus cf. leucurus
smooth shiny scale (top)
enlarged rostral scale for burrowing (left)

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Other

characteristics:

• Elongate body

• Nearly limbless lizard

• Hindlimbs reduced to small scaly flaps

• Forelimbs and pectoral girdles absent

Lacertilia

Family Dibamidae

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Lacertilia Family Dibamidae

Difference from a typhloph?

• Presence of eyelids

• Differences in ventral scales

• Have ear holes

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Pseudogekko pungkaypinit; dilated digits
Lacertilia: Gekkonidae

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Cyrtodactylus annulatus
Lacertilia: Gekkonidae

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• Scales almost always small, comprising soft skin or granulated

• Tail is very fragile (autotomy)

• Large eyes with movable eyelids

Lacertilia: Gekkonidae

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cylindrical body

medium length tails

Conical heads

Lacertilia

Family Scincidae

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• Limbs vary from strong to vestigial rods or absent

• Have round pupils

• Upper surface of head covered with symmetrical

shields

Lacertilia

Family Scincidae

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Dasia

1= Rostral, 2= frontonasal, 3= prefrontal, 4= supraoculars, 5= frontoparietal, 6=Pareital, 7= interparietal, 8= frontal

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Sphenomorphus

1= Rostral, 2= frontonasal, 3= prefrontal, 4= supraoculars, 5= frontoparietal, 6=Pareital, 7= interparietal, 8= frontal

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<p>Eutropis</p>

Eutropis

1= Rostral, 2= frontonasal, 3= prefrontal, 4= supraoculars, 5= frontoparietal, 6=Pareital, 7= interparietal, 8= frontal,
9= supranasal

Presence of supranasal compared to dasia and spheno

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Tropidophorus sp.

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SCINCIDAE: Tropidophorus sp

1= Rostral, 2= frontonasal, 3= prefrontal, 4= supraoculars, 5= frontoparietal, 6=Pareital, 7= interparietal, 8= frontal,
9= supranasal

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• Strong powerful tails

• Small head scales (water monitors)

• Bifid tongue

• Body with granules

Lacertilia

Family Varanidae

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enlarged head scale

Other characteristics:

Blunt teeth

Large caecum

Lacertilia

Family Varanidae

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Varanus olivaceus

Forest Monitor - bicol peninsula

slit-like nostril

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Varanus cumingi

Water Monitor - Mindanao

rounded nostril

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Pareidae: Aplopeltura boa’ cranial crest

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SERPENTES (OPHIDIA):

  1. Loreale

  2. Prefrontals

  3. Preoculars

  4. Supralabial

  5. Frontale

  6. Postoculars

  7. Temporals

  8. Parietals - pinkish purple

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Opisthotrophis alcali

  1. Temporal

  2. Parietal

  3. Frontale

  4. Prefrontal

  5. Internasals

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Opisthotrophis alcali

  1. Preoculars

  2. Postoculars

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Colubridae: NACTRICINAE
Opisthotrophis alcali

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Colubridae: AHAETULLINAE

Ahaetulla

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Lamprophiidae: Cyclocorinae
Oxyrhabdium sp.

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Lamprophiidae: Cyclocorinae

Oxyrhabdium leporinum leporinum

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Family: Viperidae
Trimeresurus sp.

Not keeled; heat sensing pits

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Scincidae: Subfamilies

• Sphenomorphinae:

1.) Sphenomorphus

2.) Parvoscincus

3.) Pinoyscincus

4.) Tropidophorus

• Scincinae: Brachymeles

• Mabuyinae: Eutropis

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  1. V. c. cumingi

  2. V. C. Samarensis

  3. V. Marmoratus

  4. V. Palawanensis

  5. V. Salvator

  6. V. Bangonorum

  7. V. Dalubhasa

  8. V. Nuchalis

  9. V. Bitatawa - northern luzon

  10. V. Olivaceus - bicol peninsula

Mabitang is in Panay

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  1. Jareckii - batan Island

  2. Spilopterus - luzon

  3. Reticulatus - bohol, lapinin, leyte, samar

  4. Ornatus - bohol, dinagat, mindanao, leyte, samar

  5. Mindanensis - dinagat, Mindanao, leyte, samar

  6. Cyanopterus - mindanao

  7. Guentheri - sulu

  8. Bimaculatus - sulu, mindanao

  9. Palawanensis - palawan

  10. Quadrasi - mindoro

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