hemicalypterus – Sarah Z. Gibson

Know thy namesake: the story of Gordon W. Weir and fossil fishes

The fossil fish Hemicalypterus weiri was named after Gordon Weir. But who is Gordon Weir?

New Paper: Evolution of multicuspid teeth in a Triassic fish from Utah

An enigmatic holostean from the Triassic of Utah possesses an unusual tooth morphology. What was the purpose of these teeth?

Veggievore Fish of the Triassic

Fish have a bit of a boring reputation among many vertebrate paleontologists–too many bones, too hard to identify, not as charismatic as dinosaurs, etc., etc. But, this is entirely undeserved (and I say that as a dinosaur paleontologist, too)! The ins and outs of fish evolution are truly fascinating, bolstered by a phenomenal fossil record.Continue reading “Veggievore Fish of the Triassic”