红岩
Elizabeth was also one of the first geologists. She collected fossils from the Red Crag Formation in the grounds of Holywells park. One of these, "Nucula cobboldiae", was named after her by James Sowerby and included in " Mineral Conchology of Great Britain". The sample is now located in the Museums Victoria Collections, Australia. The , a rare species of shellfish, was also named after her by George Sowerby.