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Our academic staff pursue research as part of the UCL-Birkbeck Research School of Earth and Planetary Sciences. Our team of dedicated staff and technicians also provide excellent support for our students. Our Doctoral Programme is an integral part of our research culture find out more about our PhD Students.

Our PhD Students






Groh Selina 

Selina Groh



"Crocodylian phylogeny, diversity and biogeographic history in ’Deep Time’"



PhD project title:

A multi-disciplinary approach to the analysis of crocodylian phylogeny, diversity and biogeographic history in ’Deep Time’




Project description:

Project description: Crocodylians are one of the oldest still existing lineages on the planet, having originated towards the late Triassic over 200 Ma. Their large fossil diversity stands in contrast to only 23 living species and as such provides a rich source for studies of phylogeny, biogeography and disparity changes throughout time. This project will examine the evolution of a group of both living and fossil crocodiles, the Neosuchia, since their emergence in the Cretaceous (145 Ma) using both morphological and molecular data for a comprehensive new phylogeny. 

Enhanced methods in morphometrics such as CT-scanning will improve our knowledge of disparity throughout time and allow conclusions about the palaeoecology of Neosuchia. As such the analysis will facilitate the evaluation of responses of the lineage to changing climate in the past and present. The new data gathered will also help and clarify the issue of homoplastic characters and their influences on the tree and help resolve the current disagreements between morphological and molecular data sets, as well as shine light on biogeographical questions concerning the distribution patterns of both extant and fossil crocodylian taxa.


Contact Details:
Email:  selina.groh.14@ucl.ac.uk
Supervisors: Prof Paul Upchurch & Dr Julia Day