Primate skull identification skull chart
- Created by: emilypenny
- Created on: 03-12-16 13:21
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- Does the skull have a post orbital bar
- No, it has a post orbital septum
- It is in the suborder Haplorrhine. Does it have partial or complete post orbital closure?
- Partial. It is in the infra-order Tarsiformes, the superfamily Tarsioidea and the family Tarsiidae. It should also have very karge orbits and a large auditory bulla
- Full.It is in the infra-order Simiformes. Does it have a dental formula of 2.1.3.3/2?
- Yes. It is in the parvorder Platyrrhini. It should also have M1/2 that lack hypoconulids and tymphanic ring. Skulls should have a long narrow appearance. Super family Ceboidea. Does it have a DF of 2.1.3.2/ 2.1.3.2
- Yes. It is from the subfamily Callitrichidae and the super-family Caboidea and family cebidae. Does it have canines at the same occlusal level as the incisors?
- Yes. It is a 'marmoset', Callitrix, Mico, Cebuella or Callibella.
- No. If it has higher 'long tusked' canines it is from the genus Sagnius, a 'tamarin'
- No. It is part of the super-family Ceboidea. There are three families within this; Cebidae, Atedlidae and Pitheciidae. Does the skull have a posteriorly flared ramus with a deep angle and a tall/deep ramus?
- Yes. It is from the genus Aloutta, aka howler monkey, which is part of the family Atelidae. It also has a relatively small braincase, up-tilted face, large cheek teeth and small incisors.
- No. Does it have a large rounded orbits and a globular braincase?
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- Yes. It is from the subfamily Callitrichidae and the super-family Caboidea and family cebidae. Does it have canines at the same occlusal level as the incisors?
- No. It is in the Parvorder Catarrhini. It should also have a Tubular external auditory meatus, shortened nasal nones, reduced premaxilla, flattened auditory bulla, a C/P3 honing complex and a DF of 2.1.2.3/2.1.2.3. Does it have Y-5 or bilophodont molars?
- It has 5 molar cusps on the lower molars, so yes Y-5. It is from the super family Hominoidea. The canines are also thick and blunt, broad palate, broad nasal regions and expanded brain size. Is it relatively small in size compared to the others of the superfamily?
- Yes. It isa 'lesser ape' from the family Hylobatidae. Is it fairly robust but still small?
- Yes, it is most likley from the genus Symph-alangus and the species synda-ctylus
- No. It is a 'great ape' from the family Hominidae. Does it have a dished profile and wrinkled enamel on the molar occlusal surface?
- Yes. It is from the genus Pongo, aka an orangutan. There is two species; pygmaeus (Bornean) and abelii
- No. Is it very large with prominent brow ridges and pronounced muscle attachments?
- Yes. It is from the genus Gorilla. There are two species: gorilla and beringei. Females do not have pronounced muscle attachments. They do have prominent browridges and are robust.
- No. It is from the genus Pan. This is the smallest of the Hominidae. It has a large brain case and a robust skull. The males have lines for muscle attachments. There are two species; troglodytes and paniscus. The latter is more gracile.
- Yes. It isa 'lesser ape' from the family Hylobatidae. Is it fairly robust but still small?
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- It has 5 molar cusps on the lower molars, so yes Y-5. It is from the super family Hominoidea. The canines are also thick and blunt, broad palate, broad nasal regions and expanded brain size. Is it relatively small in size compared to the others of the superfamily?
- Yes. It is in the parvorder Platyrrhini. It should also have M1/2 that lack hypoconulids and tymphanic ring. Skulls should have a long narrow appearance. Super family Ceboidea. Does it have a DF of 2.1.3.2/ 2.1.3.2
- It is in the suborder Haplorrhine. Does it have partial or complete post orbital closure?
- Yes
- It is a strepsirrhine,. These also have a tooth comb in most species and an elongated snout. Canines often look like incisors in the tooth comb. Most have a dental formula of 2.1.3.3 does it have a strongly or partially inflated bulla? Or does it have rodent like dentition?
- Strongly
- It is in the infra order Lemuriformes, does it have the dental formula 2.1.2.3/2.0.2.3?
- Yes. It is in the family Indriidae.
- No, does it have a dental formula of 0.1.3.3/2.1.2.3?
- It is in the family leprilemuridae, aka sportive lemurs
- It is in the infra order Lemuriformes, does it have the dental formula 2.1.2.3/2.0.2.3?
- Partially
- It is in the infra order Lorisiformes, which include the families galagidae and lorisidae
- Yes, rodent like dentition. It is in the order Chiromyiformes, in the family Daubentoniidae and genus/species Daubentonia madagascariensis. is is the only extant species of this order. It has a dental formula of 1.0.1.3/1.0.0.3
- Strongly
- It is a strepsirrhine,. These also have a tooth comb in most species and an elongated snout. Canines often look like incisors in the tooth comb. Most have a dental formula of 2.1.3.3 does it have a strongly or partially inflated bulla? Or does it have rodent like dentition?
- No, it has a post orbital septum
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