While the ICRW includes definitions
of some odontocetes and includes references to toothed whales in its schedule (the binding rules and definitions that implement the ICRW), the IWC has concentrated its management on the great whales, setting quotas and other restrictions on hunting.
A review of twenty - five years of data on rehabilitation
of odontocetes stranded in central and northern California, 1977 to 2002.
Twenty - five years of rehabilitation
of odontocetes stranded in central and northern California, 1977 to 2002.
Not exact matches
Based on the age
of nearby rocks, the scientists estimate that the Arktocara fossil comes from the late Oligocene epoch, around the time ancient whales diversified into two groups — baleen whales (mysticetes) and toothed whales (
odontocetes).
With restricted distributions, serious conservation threats, and relatively low taxonomic richness compared with other
odontocete clades, the evolutionary history
of «river dolphins» remains a topic
of perennial interest (Cassens et al., 2000; Hamilton et al., 2001; Nikaido et al., 2001; Pyenson, 2009; Ruiz - Garcia & Shostell, 2010; Turvey et al., 2010; Geisler et al., 2011).
[2] Teeth originally identified as representing an unnamed species
of Mirounga have been found in South Africa, and dated to the Miocene epoch; [3][4] however Boessenecker & Churchill (2016) considered these teeth to be almost certainly misidentified
odontocete teeth.