TY - JOUR AU - Clack, J.A. AU - Ahlberg, P.E. AU - Finney, S.M. AU - Domínguez Alonso, Patricio AU - Robinson, J. AU - Ketcham, R. A. PY - 2003 DO - http://10.1038/nature01904 SN - 0028-0836 UR - https://hdl.handle.net/20.500.14352/52199 T2 - Nature AB - The Late Devonian genus Ichthyostega was for many decades the earliest known tetrapod, and the sole representative of a transitional worm between a fish and a land vertebrate. However, despite being known since 1932 (ref. 1) from a large collection of... LA - eng M2 - 65 PB - Nature Publishing Group TI - A uniquely specialized ear in a very early tetrapod TY - journal article VL - 425 ER -