The term ‘living fossil’ has a controversial history. For decades, scientists have argued about its usefulness as it appears to suggest that some organisms have stopped evolving. New research has now investigated the origin of tadpole shrimps, a group commonly regarded as ‘living fossils’ which includes the familiar Triops. The research reveals that living species […]
Posts Tagged ‘Coelacanth’
Diversification in Ancient Tadpole Shrimps Challenges the Term ‘Living Fossil’
April 11th, 2013 Riffin
100-Million-Year-Old Coelacanth Fish Discovered in Texas Is New Species from Cretaceous
October 25th, 2012 Riffin
A new species of coelacanth fish has been discovered in Texas. The species is now the youngest coelacanth from Texas; fish jaw and cranial material indicate a new family — Dipluridae — that was evolutionary transition between two previously known families. Pieces of tiny fossil skull found in Fort Worth have been identified as 100 […]