Primates 2-2
Primates
- Brain with posterior lobe and calcirine fissure.
- Eye orbits surrounded by Bony rim. Binocular vision. Nocturnal or diurnal. Reduced snout.
- Three set of teeth.
- Well developed clavicle.
- Easily rotate four arms and stretch legs more than other mammals.
- Padded fingers.
- Sexual behaviour not seasonal.
- Prehensile limbs
- Opposable thumb hallux pollex or both.
- Nails on the digit
- 2 pectoral mamae
- Simple stomach with well developed cecum
- Penis pendulous.
- Locomotion by brachiation quadrupedalism bipedalism.
- Long period of infancy and grooming and socialization. Complex social life.
Due to anthropogenic activities like deforestation poaching and climate change 60% of primates like lemurs orangutans and gorillas are under threat. Estrada et al.
Primates.
- Haplorhini
- Tarsifores
- Tarsiers
- Anthrpoidea
- Ceboidea
- X
- Cattrhini
- Cercopithecoidea
- Cercopithecinae
- Colobinae
- Hominoidea
- Hylobatidae
- Hominidae
- Gorrlinae
- Panininae
- Homininae
- Chimp
- Hominini
- Platyrrhine
- Ceboidea
- Cebidae
- Atelidae
- Strepsirhini
- Lemuriformes
- Lemuroidea
- Lemur
- Lorisoidea. Loris