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Differences in the Young modulus and hardness reflect different functions of teeth within the taenioglossan radula of gastropods.
TLDR
The functional morphology of taenioglossan radular teeth from one single species was analysed and their material properties (hardness and elasticity modulus) were characterised by nanoindentation. Expand
In slow motion: radula motion pattern and forces exerted to the substrate in the land snail Cornu aspersum (Mollusca, Gastropoda) during feeding
TLDR
The physical properties of the radular teeth of Cornu aspersum, a large land snail, with experiments revealing their radula scratching force are related, to better understanding functions and adaptations of radulae to ingesta or substrate, and hence, gastropods speciation and evolution. Expand
Tightening it Up: Diversity of the Chitin Anchorage of Radular-Teeth in Paludomid Freshwater-Gastropods
TLDR
The micro-structure of connecting chitinous fibres and its implication on the radular function in 13 closely related paludomid gastropod species from the so called “ancient lake” Tanganyika are analysed and morphologies of the anchorage correlated with the specific preferred feeding substrate can hence be identified as functional adaptation. Expand
Not just scratching the surface: distinct radular motion patterns in Mollusca
TLDR
It is discovered that the animals can use the radula as counter bearings enabling the tearing of large food items enabling the animals to grab and tear food. Expand
Substrate Roughness Induced Wear Pattern in Gastropod Radulae
Abstract Determining a precise contact area between one surface and another surface is essential for understanding tribological tool performance, since this area contributes to the forceExpand
Trophic specialisation reflected by radular tooth material properties in an “ancient” Lake Tanganyikan gastropod species flock
TLDR
In almost every lineage the hypothesis that one main engine of the flock’s evolution is trophic specialization, establishing distinct ecological niches and allowing the coexistence of taxa is found. Expand
Influence of water content on mechanical behaviour of gastropod taenioglossan radulae
TLDR
The performance and failure of taenioglossan radular teeth were tested in a biomechanical experiment which allowed building hypotheses about tooth functionalities, and show that certain tooth types can resist higher stresses and are rather specialised to loosen food items from a surface, whereas other teeth can only gather food particles. Expand
Finite element analysis of individual taenioglossan radular teeth (Mollusca).
TLDR
For the first time, a quantitative approach is used, Finite-Element-Analysis (FEA), to test hypotheses regarding the function of particular taenioglossan tooth types, and it is posited that the central and lateral teeth are best suitable for scratching substrate loosening ingesta, whereas the marginals are best suited for gathering food particles. Expand
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