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Complex tooth occlusion in notosuchid crocodiles and tritylodonts...

The majority of reptiles possess a fairly simple dentition composed of peg-like teeth of similar shape and size throughout the jaw (termed ‘homodont’), used to grasp prey. These teeth are continuously...

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Teiid lizard dentition: convergence with other reptiles, mammals and fish

Teiids are a group of skink-like lizards that evolved in the early Cretaceous and whose members show a stunning diversity of tooth types, from simple, single cusped teeth to complex, multi-cuspid...

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Dental batteries in ceratopsians, hadrosaurs and elephants

Ceratopsians and hadrosaurs were dominant plant-eating dinosaurs during the Late Cretaceous, and both independently evolved continuous batteries of serrated teeth that occluded at the back of the mouth...

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Teeth in aquatic reptiles

Several groups of reptiles have independently evolved adaptations to life in aquatic environments, from freshwater rivers to near-shore and open marine habitats. One of the most important of these...

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Crustacean-trapping teeth in mesosaurs and crabeater seals

A group of Early Permian (320 – 280Ma) marine reptiles known as mesosaurs had remarkable dentition, comprising a large number of long, slender, pointed teeth shallowly implanted in the upper jaw...

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Pufferfish (and inflation)

Pufferfish (Tetraodontidae), a mainly tropical teleost family with more than 120 species, are some of the most extraordinary fish to have evolved. Particularly remarkable is their capacity to swallow...

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Cichlids

Cichlids are one of the cause celebré of evolution, and rightly so because these freshwater fish, which are most species-rich in the lakes (and rivers) of Africa and South America, show a remarkable...

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Enamel in reptile teeth

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Directionally asymmetric feeding in snakes

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Snail eating: an asymmetric diet

Snails may not be everyone’s first choice on the menu but several distinct colubrid snakes have evolved expert techniques for gorging on these nutritious gastropods. Southeast Asian pareatine snakes...

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