Phocidae Author Russell A. Mittermeier Author Don E. Wilson text 2014 2014-07-31 Lynx Edicions Barcelona Handbook of the Mammals of the World – Volume 4 Sea Mammals 120 183 book chapter 62712 10.5281/zenodo.6607185 bb685fb0-4415-4054-9b2a-604129aab5b1 978-84-96553-93-4 6607185 Family PHOCIDAE (EARLESS SEALS) • Streamlined, robust amphibious marine mammals with no underfur, and no external ear flaps; sexual dimorphism highly variable. • 110-500 cm. • All major oceans, and a few enclosed seas and lakes. • Mainly polar and subpolar waters, but some temperate to tropical waters, estuaries, and freshwater lakes. • 13 genera, 18 species, at least 26 extant taxa . • 2 species Critically Endangered, 1 species Endangered, 1 species Vulnerable; 1 species Extinct since 1600.