BISCONTI M, VAROLA A. THE OLDEST ESCHRICHTIID MYSTICETE AND A NEW MORPHOLOGICAL DIAGNOSIS OF ESCHRICHTIIDAE (GRAY WHALES). RIPS [Internet]. 2006 Nov. 30 [cited 2025 Jun. 13];112(3). Available from: https://riviste.unimi.it/index.php/RIPS/article/view/6352