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crustacea.

Earth and Environmental Science Transactions of The Royal Society of Edinburgh (1)

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Biomechanical approaches to eurypterid cuticles and chelicerate exoskeletons
John E. Dalingwater
Journal:

Transactions of the Royal Society of Edinburgh: Earth Sciences / Volume 76 / Issue 2-3 / 1985

Published online by Cambridge University Press:

03 November 2011, pp. 359-364

Print publication:

1985
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Microstructural features of eurypterid cuticles are analysed from a biomechanical viewpoint: some fibrous elements are now considered to resemble the macrofibres of extant arthropod cuticles; possible preferred orientation zones in Mycterops are related to directional stresses; pore canals are not viewed as acting as crack-stoppers but laminae (sensu Dennell 1978) may have served this function. Could some eurypterids have walked on land?—this problem is approached by using extant Limulus as a model. It leads on to the use of scaling exponents to determine the limits that possessing an exoskeleton places on the size of land arthropods: moulting may be the limiting factor. Possible critical factors limiting the size of aquatic arthropods are discussed briefly.