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
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