A 350-million-year-old marine
ecosystem in Scotland
Oxypteriscus, an extinct ray-finned fish The earliest shell-crushing ray-fin, Fouldenia, 348 million years ago
|Lauren Cole Sallan, PhD|
Earth and Environmental Science
& Evolution Cluster
University of Pennsylvania
CV Google Citations Impact Story
Now recruiting PhD students for 2015
We are broadly interested in how global events, environmental change and ecological interactions affect long-term evolution (macroevolution) in early vertebrates (half of vertebrate history) and ray-finned fishes (half of vertebrate diversity).
Early Vertebrates, Ichthyology
Mass Extinction, Phylogenetics
Listen to a Palaeocast interview about our research on early vertebrate macroevolution and paleobiology
April 22, 2015: Incoming undergraduate (Penn '19) Jack Stack has received the Rodney M. Feldman Award, a Paleontological Society Student Research Grant! This will fund his fieldwork on Paleozoic fish faunas in Michigan this summer. Congratulations, Jack!
April 3, 2015: PhD student Kara Ludwig has been awarded a GSA Graduate Student Research Grant to study oxygen isotopes in conodonts over the end-Ordovician extinction! Congratulations, Kara!
March 30, 2015: MS Student Bryan Juarez has been awarded an NSF Graduate Research Fellowship! Congratulations, Bryan!
August 3-7: Lauren and Kara will be presenting at the 13th International Symposium on Early and Lower Vertebrates in Melbourne, Australia.
A phylogeny of living ray-finned fishes
A 310-million-year-old freshwater ecosystem in Illinois
A later shell-crushing ray-fin,
Styracopterus, 340 million years ago