<p><strong>Sierra Nevada (Granada, Spain): a high-altitude biogeographical crossroads </strong><strong>for millipedes (Diplopoda), with first data on its MSS fauna and description </strong><strong>of a new species of the genus <em>Ceratosphys</em> Ribaut, 1920 </strong><strong>(Chordeumatida: Opisthocheiridae)</strong></p>

Millipedes (Diplopoda), with a few notable exceptions, are poor dispersers, showing a very high degree of endemicity, not the least in mountains. The first samplings of the Mesovoid Shallow Substratum (MSS) of the higher altitudes of the Sierra Nevada Mountains (Baetic System, Southern Spain) have led to the discovery of a high number of millipedes, each of the species present showing a different degree of establishment in this subterranean...