Volume 48, Issue 2 (2019)



Morphological and mineralogical evidence for ancient bat presence in Cova des Pas de Vallgornera (Llucmajor, Mallorca, Western Mediterranean)
Antoni Merino, Joan J. Fornós, Antoni Mulet, and Joaquín Ginés

  • Cova des Pas de Vallgornera hosted bat colonies circa 2.4 My ago
  • Guano related minerals are reported, underlining phosphates mineral group
  • Presence of morphologies related to ancient guano deposits
  • Features caused by bat's biomechanical erosion, bat claws and bat thumb marks
  • Connections between weather patterns and preference for roosting and breeding sites


Comparison of some epigean and troglobiotic animals regarding their metabolism intensity. Examination of a classical assertion
Tatjana Simčič and Boris Sket

  • The low metabolic rate is not a universal property of troglobiotic animals
  • The degree of metabolic adaptation is not necessarily in agreement with the degree of troglomorphy