Table 2. Common dolphin cytochrome b sequences used in this study.

Sequences from other studies were obtained from GenBank. Except where noted and in the SE Atl, all specimens had or were assumed as the short-beaked morphotype. Samples from the SW Atl were assigned to morphotypes after skull measurements (Table 1).

Sample locality	Number of sequences	Reference
Northeastern Pacific
Dc (long-beaked)	12	[22]
	2	[20]
Dd (short-beaked)	23	[22]
	1	[20]
Southwestern Pacific	85	[22]
Northwestern Pacific	1	[30]
Northwestern Atlantic	16	[22]
Central Eastern Atlantic	10	[22]
Northeastern Atlantic	67	[31]
	26	[22]
Southeastern Atlantic	9	[22]
Southwestern Atlantic
Long-beaked	9	This study
Short-beaked	5	This study
Unknown	23	This study
Indian Ocean (tropicalis-form)	1	[20]
	6	[22]
Black Sea (ponticus-form)	1	[20]