A study is made of four subjects in the fields of chelicerate morphology, postembryonic development and relationships, viz., the functional morphology of the legs in Anystis (a fastrunning Actinotrichid mite), the musculature of the gnathosoma of Glyptholaspis confusa (Foà) (an Anactinotrichid mite), the evolution of the chelicerate life-cycle in the case of an irregular number of instars, and the relationships of the chelicerate classes and subclasses.

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Keywords Actinotrichida, Anactinotrichida, Chelicerata, classification, fast running, gnathosoma, legs, life-cycle, locomotion, morphology, neostasoid, neostasoidy, postembryonic development, relationships, stasoid, stasoidy
Journal Zoologische Mededelingen
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Released under the CC-BY 4.0 ("Attribution") License

Citation
van der Hammen, L. (1986). Acarological and arachnological notes. Zoologische Mededelingen, 60(14), 217–230.