mammalogy lab 2
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53 terms
Terms | Definitions |
|---|---|
 chiroptera | bats |
| popatagium | thin skin that extends from the shoulder to the wrist anterior to the upper arm and forearm |
| dactylopatagia | skin between the digits |
| plagiopatagium | skin extends from digit five to the side of the body and the hindleg |
| uropatagium | extends between the hindlegs and usually incorporates teh tail |
| calcar | cartilaginous spur; extends medially from the ankle region of each hindfoot and helps support the uropatagium |
| tragus | fleshy lobe projecting from the lower medial corner of the inner margin of the pinna (microchiropterans) |
| antitragus | flap on the lower edge of the outer margin of the pinna |
| Pteropodidae | second finger retaining evident separation from third, with claw; postorbital process well developed |
| Molossidae | 1/4 or more of tail extends beyond the outer edge of the uropatagium, I 1/2 |
| Vespertilionidae | Tail not with 1/4 or more extending beyond the outer edge of uropatagium, I 2/3 or 1/3 |
| Lasiurus | uropatagium covered with fur; 1/3 1/1 2/2 3/3 = 32 |
| Corynorhinus | no fur on uropatagium; pinnae huge, 2/3 1/1 2/3 3/3 = 36 |
| Myotis | pinnae not huge, dorsal pelage brown, 2/3 1/1 3/3 3/3 = 38 |
| lasionycteris | dorsal pelage black base with silver ends; 2/3 1/1 2/3 3/3 = 36 |
| pipistrellus | each hair has three color bands; 2/3 1/1 2/2 3/3 = 34 |
| eptesicus | dorsal brown, large size, 2/3 1/1 1/2 3/3 = 32 |
| nycticeius | dorsal dark brown; small size; 1/3 1/1 1/2 3/3 = 30 |
| tupaiidae | 2/3 1/1 3/3 3/3= 38; postorbital bar present; gaps between canines and incisors, bottom incisors project forward |
| lagomorphs | first upper incisor is usually grooved, second upper incisor is right behind first |
| ochotonidae | lack supraorbital process and rostral fenestrations are not covered with a bony lattice; 2/1 0/0 3/2 2/3 = 26 |
| leporidae | have supraorbital process and rostral fenestration has bony lattice covering; 2/1 0/0 3/2 3/3 = 28 |
| sylvilagus | interparietal present; marsh rabbit, swamp rabbit, eastern cottontail, appalachian cottontail |
| primates | cheek teeth bunodont and brachyodont; orbits directed anteriorly; postorbital bar or plate present; plantigrade |
| lemuridae | postorbital bar present, I 2/3 |
| cercopithecidae | postorbital plate present, I 2/2; 2/2 1/1 2/2 3/3 =32; anterior root of first lower premolar slopes forward and is exposed |
| hominidae | postorbital plate present, I 2/2; 2/2 1/1 2/2 3/3 =32; first lower premolar not sloped or exposed |
| atelidae | postorbital plate, I 2/2; 2/2 1/1 3/3 3/3 = 36; nails instead of claws and prehensile tail with pad, larger size |
| cebidae | postorbital plate, I 2/2; 2/2 1/1 3/3 3/3 = 36; claws instead of nails, tail not prehensile, small size |
| pilosa | anteaters and sloths |
| cingulata | armadillos |
| myrmecophagidae | edentate, incomplete zygomatic arch |
| bradypodidae | all teeth same size and shape, 3 toed sloth |
| megalonychidae | bigger sloth, large caniniform first/anterior teeth; more prominent postorbital process; 2 toed sloth |
| dasypodidae | conical skull, has teeth but further back from rostrum |
| pholidota | edentate; cranium is robust and conical; mandible is slender; zygomatic arch incomplete |
| Phoca | seal, I 3/2 |
| Lynx | rostrum shortened, top of head convex, jaw teeth shearing, M 1/1 with upper molar small; 3/3 1/1 2/2 1/1 =28 |
| puma | large size; 3/3 1/1 3/2 1/1 = 30 |
| felis | small size; 3/3 1/1 3/2 1/1 =30 |
| ursus | 3/3 1/1 4/4 2/3 = 42; skull over 300mm, molars broad and flat; no carnassials |
| canis | 3/3 1/1 4/4 23 =42; skull less than 300mm, carnassials well developed; postorbital process thick and convex |
| urocyon | 3/3 1/1 4/4 23 =42; skull less than 300mm, carnassials well developed; postorbital process thin and concave; prominent temporal ridges |
| vulpes | 3/3 1/1 4/4 23 =42; skull less than 300mm, carnassials well developed; postorbital process thin and concave; temporal ridges indistinct/absent |
| procyon | 3/3 1/1 4/4 2/2 =40 |
| lontra | 3/3 1/1 4/3 1/2 = 36, short rostrum |
| spilogale | 3/3 1/1 3/3 1/2 = 34, rostrum varies, first upper molar squarish, auditory bulla inconspicuous rounded knob and palate ending opposite last molars; skull straight in profile, rostrum depressed |
| mephitis | 3/3 1/1 3/3 1/2 = 34, rostrum varies, first upper molar squarish, auditory bulla inconspicuous rounded knob and palate ending opposite last molars; skull convex above, rostrum considerably depressed below frontals |
| mustela | 3/3 1/1 3/3 1/2; upper molar twice as wide as long, auditory bulla twice as long as wide, palate extends beyond last molars; larger size |
| neovison | 3/3 1/1 3/3 1/2; upper molar twice as wide as long, auditory bulla twice as long as wide, palate extends beyond last molars; smaller size |
| condylura | premaxillaries extending forward of nasal aperture |
| scalopus | premaxilla doesn't extend, has bump |
| parascalops | premaxillaries end at nasal aperture |
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