True nature of ‘Tully monster’ revealed
Ancient oddity is a lamprey ancestor
![illustration of a tully monster](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/03/031516_mr_Tully-fossil-main_free.jpg?fit=860%2C460&ssl=1)
IDENTITY CRISIS An ancient oddball animal that defied identification for decades may be an ancestor of lampreys.
Paul Mayer/Field Museum of Natural History
Ancient oddity is a lamprey ancestor
IDENTITY CRISIS An ancient oddball animal that defied identification for decades may be an ancestor of lampreys.
Paul Mayer/Field Museum of Natural History