Skalrør
Skalrør is a term used in several contexts, primarily within the fields of geology and paleontology, referring to tube-like structures formed by or inhabited by organisms.
In geology, skalrør can describe fossilized burrows or tubes created by ancient marine invertebrates, such as
In paleontology, the term is also used when discussing trace fossils, which are preserved evidence of biological
More broadly, skalrør can also refer to modern-day tubular structures created by living organisms, such as the