Balanomorphs from late Upper Pleistocene and Holocene caves in northern Spain, with a new genus and species, and their palaeoclimatological implications.

Abstract

[EN] Sampling in archaeological caves in northern Spain, within levels dated between ca. 23,000 and 3500 cal BP, revealed the presence of six species of sessile cirripedes. A new genus and a new species are described in the Lower Magdalenian (ca. 18,000 cal BP). Titobustillobalanus tubutubulus gen. nov., sp. nov. is characterised by parietes permeated by a single row of secondary small tubes between primary and secondary inner lamina and a sheath with tubes and cells. For each of the other five species, the current geographic distribution and ecologic data are given. A change of fauna is noticed from the Upper Magdalenian (ca. 14,500 cal BP) indicating global warming.