WE are interested on the origin and evolution of invertebrate animals as informed by exceptionally preserved fossils from Paleozoic deposits. Our research brings together specimen-based traditional paleontology and fieldwork, developmental biology of extant organisms, and state of the art imaging and analytical techniques to study the evolutionary history of euarthropods and their close relatives. To find out more about our research please click HERE JOH_favicon

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. Latest News

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Cambrian ancestor of crustaceans in 3D

December 27, 2018

In our latest study, we describe the three dimensionally preserved appendage morphology of the bivalved euarthropod Ercaicunia multinodosa from the early Cambrian Chengjiang biota of South China, made possible through collaboration with colleagues Dayou Zhai and Yu Liu from Yunnan University in Kunming. Our findings of differentiated head appendages, including tritocerebral antennae and mandibles, as well as delicate details of the trunk limbs such as the epipodite, allow us to conclude that Ercaicunia belongs to the stem-group of Pancrustacea (i.e. crustaceans and...

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Javier becomes member of the "Sistema Nacional de Investigadores"

September 27, 2018
Javier has been awarded the title of Investigador Nacional Nivel I (National Researcher Level I), and membership to the Sistema Nacional de Investigadores (National System of Researchers), a governmental agency that promotes and evaluates professional research activity in Mexico, including nationals working overseas. More information about the SNI ... Read more about Javier becomes member of the "Sistema Nacional de Investigadores"
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