1. Primates Strepsirhines Haplorhines Lorisoidea Lemuroidea Tarsioidea
“Mainland Africa”
Lemuroidea
“Malagasy”
Tarsioidea
Anthropoidea
Tarsiers
Lorises and
Galagos
Lemurs
Platyrrhines
Catarrhines
Ceboidea
“New World Monkeys”
Cercopithecoidea
“Old World Monkeys”
Cebids, Atelids,
and Callitrichids
Hominoidea
“Apes and Humans”
Colobines and
Cercopithecines
Hylobatids, Pongids,
and Hominids

2. Strepsirhines
Malagasy Strepsirhines
Madagascar

3. Strepsirhines Malagasy Strepsirhines
Characteristics:
dental tooth comb
grooming claw on second digit of feet
postorbital bar
no postorbital closure
most have a mandibular symphysis
unfused frontal bone
variations in foot anatomy related to locomotion

4. Cheirogaleidae 5 extant genera Examples: Characteristics:
Pygmy Mouse Lemur
5 extant genera
Examples:
Pygmy Mouse Lemur (Microcebus myoxinus)
Coquerel’s Dwarf Lemur (Mirza coquereli)
Fat-tailed Dwarf Lemur (Cheirogaleus medius)
Characteristics:
Average weight ranging from kg
Nocturnal
Arboreal quadrupeds
Microcebus myoxinus is smallest living primate
Cheirogaleus medius hibernates for up to 6 months
Most females only receptive to mate for a few hours each year
Dwarf Lemur
Fat-tailed Dwarf Lemur

5. Lemuridae 4 extant genera Examples: Characteristics: Ring-tailed Lemur
Ring-tailed Lemur (Lemur Catta)
Ruffed Lemur (Varecia variegata)
Gray Bamboo Lemur (Hapalemur griseus)
Characteristics:
Average weight ranging from kg
Diurnal
Mostly arboreal quadrupeds
Hapalemur uses some Vertical Clinging and Leaping (VCL)
Ring-tailed Lemur
Bamboo Lemur
Ruffed Lemur

6. Lepilemuridae 1 extant genus Examples: Characteristics:
White-footed Sportive Lemur (Lepilemur leucopus)
Characteristics:
Average weight ranging from kg
Nocturnal
Vertical Clingers and Leapers (VCL)
Reingests its feces to get broken-down cellulose
Sportive Lemur

7. Indriidae 3 extant genera Includes: Characteristics: Sifaka Indri
Woolly Lemur (Avahi)
Sifaka (Propithecus)
Indri (Indri indri)
Characteristics:
Average weight ranging from kg
Specialized leapers with long hindlimbs, feet, and hands
All specialized VCL’s
Avahi is nocturnal
Propithecus moves bipedally on the ground
Indri has no tail

8. Daubentoniids Aye-aye (only extant species) Characteristics:
enormous ears
rodent like incisors
large clawed digits, except for hallux
third digit is extremely long and slender
nocturnal
quadrupeds

9. Strepsirhines Mainland Africa Strepsirhines Includes: Characteristics:
Galagos
and Lorises
Lorises
Includes:
Galagidae (bushbaby)
Lorisidae (potto, slow loris, and slender loris)
Characteristics:
grooming claw on the second digit
nocturnal
arboreal quadrupeds
dental tooth comb
Loris
Galago

10. Galagos and Lorises Examples of Galagos: Characteristics:
Greater Bushbaby (Otolemur garnetti)
Senegal Bushbaby (Galago senegalensis)
Characteristics:
Average weight ranging from kg
elongated calcaneus and navicular bones
VCL’s
Demidoff’s Bushbaby one of the smallest living primates
Examples of Lorises:
Slender Loris (Loris tardigradus)
Slow Loris (Nycticebus coucang)
Average weight range from kg
Slow and stealthy quadrupeds
Greater Bushbaby
Slender Loris
Slow Loris