anurans Flashcards

Gastrophryne from Microhylidae
- tympanum absent
- prominent skin fold across head behind eyes
- small head
- horizontal pupil

Hyla femoralis from hylidae
- smaller than a pen cap
- light brown, darker brown blotches

Hyla versicolor from Hylidae
same as chrysoscelis**
- light spot below eye
- dark blotches on back

Ollotis alvaria from Bufonidae
- 1-3 greatly enlarged dorsal glands
- paratoid glands elongate
- no deep valley between cranial crest
- paratoid gland not as long as head and if large not tapering posteriorly
- fat hands/fingers
- tibial warts
- small white warts at tip of mouth

Rana boylii from Ranidae
- larger 4th toe than others
- brown with darker brown tiny spots
- small tympanum

Rhinella marina from Bufonidae
- paratoid glands as long as head
- large prominent cranial crest (>60mm)
- brown in life
- fat fingers/hands like Ollotis alvaria with longer paratoid glands

Spea hammondii from Scaphiopodidae
- short rounded spade on hind foot
- no boss
- short spade wide as long
- from CA.
- dorsum green or gray
- Tadpole has transparent tail

Lithobates virgatipes from Ranidae
- two golden brown lateral strips
- Found on the Eastern Seaboard

Smilisca fodiens from Hylidae
- distinct ridge across back of head
- bilobed vocal sac
- skin fused to skull

Anaxyrus terrestris from Bufonidae
- paratoid glands not as long as head; if large not tapering posteriorly
- parietal cranial crests form a conspicuous knob behind eyes

Lithobates pipiens from Ranidae
- very distinct leapord spots
- dorsolateral folds present

Rana aurora from Ranidae
- dorsolateral fold present
- brown, light underneath
- black stripe on dorsolateral fold
Ollotis nebulifer from Bufonidae
- paratoid gland not as long as head and if large not tapering posteriorly
- paratoid gland triangular
- deep valley between cranial crests

Anaxyrus canorus from Bufonidae
- paratoid glands not as long as head; if large not tapering posteriorly
- flat paratoid gland wide and close together
- interparatoid distance = width of paratoid gland
Xenopus from pipidae
- fully aquatic
- inner 3 toes with cornified tips (claws)
- toes fully webbed

Scaphiopus couchii from Scaphiopodidae
- sickle shaped spade on hind foot
- pectorial glands absent
- fingers webbed
- dark edge of spade no more than twice as long as wide
- no boss

Hyla cinerea from Hylidae
- light sttips on body (probably can’t see in specimen)
- legs lighter than body

Osteopilus septentrionalis from Hylidae
- large toe discs
- boss present
*

Anaxyrus woodhousii from Bufonidae
- paratoid glands not as long as head; if large not tapering posteriorly
- paratoid gland oval
- usually in contact with cranial crest
- cranial crest distinct

Anaxyrus debilis from Bufonidae
- paratoid glands as long as head
- small, low cranial crest (<60mm)
- green in life

Anaxyrus quercicus from Bufonidae
- paratoid glands not as long as head; if large not tapering posteriorly
- small <35mm
- large paratoid glands as long as head
- conspicuous light midline
- any distinct vertical stripe
I don’t know about this one?? you put that the glands were as long as the head and that they weren’t?? We didn’t look at this one in class, so I don’t have any notes…Jen

Scaphiopus hurterii from Scaphiopodidae
- sickle shaped spade on hind foot
- pectoral glands present
- raised boss between or behind eyes
ascaphus truei from Leiopelmatidae
- tympanum absent
- pupil vertical
- head not disproportianetly small
- everted cloaca (tail)
- no prominent skin fold across head behind eyes
- outer most toe thicker than others
- tad pole suction cup mouth
Spea multiplicata from Scaphiopodidae
- short rounded spade on hind foot
- dorsum brownish
- spade longer than wide

Pseudacris cavaderina from Hylidae
Lithobates palustrus from Ranidae
- square spots
Found East of the Great Plains

Rhinophrynus dorsalis from Rhinophryinidae
- pupil vertical
- cone shaped nose
- tongue free in front

Scaphiopus holbrookii from Scaphiopodidae
- sickle shaped spade on hind foot
- pectoral glands present
- no boss between eyes

Spea bombifrons from Scaphiopodidae
- short rounded spade on hind foot
- interorbital boss present (high and bony) extended forward of the eyes
Hyla wrightorum from Hylidae
- line through eye, over pectoral glands, and goes down behind shoulder/arm

Anaxyrus cognatus from Bufonidae
- paratoid glands not as long as head; if large not tapering posteriorly
- boss at anterior border of eyes
- paratoid glands strongly divergent
- dark dorsal markings with light outlines

Anaxyrus microscaphus from Bufonidae

Hyla chrysoscelis from Hylidae

Lithobates areolatus from Ranidae

Acris from Hylidae

Anaxyrus punctatus from Bufonidae
- paratoid glands not as long as head; if large not tapering posteriorly
- paratoid gland round (or transversly oval)
- no cranial crest
Pseudacris regilla from Hylidae

Hyla gratiosa from Hylidae

Smilisca baudinii from Hylidae

Hyla squirella from Hylidae

Anaxyrus americanus from bufonidae
- paratoid glands not as long as head; if large not tapering posteriorly
- paratoid glands reniform and nearly always separated from cranial crests
- no boss
- dark dorsal spots encircle 1-3 warts

Pipa Pipa from pipidae
- fully aquatic
- inner 3 toes with cornified tips (claws)
- toes fully webbed

Anaxyrus boreas from Bufonidae

Anaxyrus speciosus from Bufonidae

Hyla arenicolor from Hylidae
Lithobates catesbeianus from Ranidae

All Eastern Pseudacris
They are all Chorus frogs or Peepers