Family Callitrichidae

Subfamily Callitrichinae

a.      Callimico goeldii (Goeldi’s monkey)

• primitive dentition: full set of three molars

• single births

• no sexual dimorphism

• digital claws except for great toe (clinging)

• move mainly by leaping

• males largely responsible for child care

b.      Genus Saquinus and Genus Leontopithecus (Tamarins)

• dental formula, (2132/2132)

• array of pelage color patterns and elaborations on facial hair

• small with long trunks, legs, and tail

• twin births

• located mainly in amazon regions

c.       Saquinus oedipus (cotton-topped tamarin)

• quadrupedal walking and running; occasional leaping

• single breeding female

d.      Saquinus midas (golden-handed tamarin)

• quadrupedal walking and running

• frugivorous

e.       Saquinus fuscicollis (saddle-back tamarin)

• leaping between vertical supports

• polyandrous[1]

f.        Saquinus labiatus (white-lipped tamarin)

• quadrupedal running with short leaps

• similar habitat to S.fruscicollis  (sympatry[2])           

g.       Saquinus imperator (emperor tamarin)

• named for Franz Joseph, emperor of Austria because of his weeping moustache

• twin offspring at beginning of rainy season

• share some territories with S. fuscicollis

h.      Saquinus mystax (moustached tamarin)

• polyandrous

• social organization like communal breeding system

i.    Leontopithecus rosalia (lion tamarin), L. chrysomelas (golden-

        headed lion tamarin), and L. chrysopygus (golden-rumped lion tamarin)           

• largest callitrichines

• most endangered primates

• located in southeast Brazil

• quadrupedal

• feed on range of invertebrates, small vertebrates, and fruit; do not feed on exudates[3]

a.       Callithrix argentata (silvery marmoset), C. humeralifer (tassel-eared marmoset),

        C. jacchus (common marmoset), C. aurita (buffy tufted-ear marmoset), C. 

            flaviceps (buffy-headed marmoset), C. geoffroyi (white-faced marmoset), C 

            penicillata  (black tufted-ear marmoset)

• specialized dentition; enlarged incisors with thin layer of enamel

• quadrupedal walking, running, and leaping

• use clinging posture for eating exudates

• monogamous groups only

b.      Cebuella pygmaea (pygmy marmoset)

• smallest marmoset, platyrrhine, and anthropoid

• eat exudates 67% of time

• utilize clinging postures for eating and vertical leaping

• monogamous with small groups of one male and female

• dizygotic twins