This week’s post is from Liz Clark, PhD, a biologist/paleontologist at Yale University (New Haven, USA). If you would like to write for Anatomy to You, get in touch via Facebook or Twitter. Echinoderms are a group of invertebrates that include sea stars, sea urchins, sand dollars, sea cucumbers, crinoids and brittle stars, and they’re about…
Tag: palaeobiology
#FossilFriday New discoveries at your feet: 40 million year-old sea cow found in Spanish pavement!
It’s not uncommon to glance down at the pavement or the floor of a shopping centre and spot traces of ancient life – ammonites and belemnites can be seen in deposits all over the world, for example. But in the Spanish town of Girona, the paving slabs of one street have offered up a very…
#fossilfriday: Eudibamus, an early parareptile that shows adaptations to bipedal running
Our chosen fossil today is Eudibamus cursoris,which was first discovered in Germany and dated at 290 millions years old. This ancient parareptile (not a dinosaur, but appearing much earlier) was just 26 cm long and lived among the early amniotes in the early Permian. At this time, terrestrial vertebrates had rapidly diversified but were almost universally constrained…
In Focus: ‘Skin teeth’ stories: using shark denticles to look to their past
Our guest post this week comes from Erin Dillon, a short-term fellow at the Smithsonian Tropical Research Institute. If you would like to contribute a guest post, please get in touch on Twitter or Facebook. What were shark communities like before humans? We know that shark populations have waned significantly over the past several centuries, but we don’t yet…