Table 1.
Reference species for the sequence identification recorded in this study. These include samples obtained from GenBank, and voucher specimens collected during the present study.
| Family | Species | Code | N | English common namea | Local common nameb | Sourcec |
| Sphyrnidae | Sphyrna zygaena | Szy_01 | 1 | Smooth hammerhead | - | AY830772 |
| Sphyrna lewini | Sle_01 | 1 | Scalloped hammerhead | Pana; cornuda; martelo | AY830768 | |
| Sphyrna sp. | Ssp_279 | 1 | - | - | Present study FJ598659 |
|
| Sphyrna tiburo | Sti_01; 02 | 2 | Bonnethead | Cação siri; bejoca; martelo | AY830770-71 | |
| Sphyrna tudes | Stu_286; 289 | 2 | Smalleye hammerhead | Cação siri; bejoca; martelo | Present study FJ598662-63 |
|
| Sphyrna mokarran | Smo_01 | 1 | Great hammerhead | Pana; cornuda; martelo | AY830769 | |
| Carcharhinidae | Rhizoprionodon terraenovae | Rte_01; 02 | 2 | Atlantic sharpnose shark | Prenhoca; milho verde | AY830763-64 |
| Carcharhinus signatus | Csi_01 | 1 | Night shark | - | AY830744 | |
| Carcharhinus perezii | Cpe_01; 02 | 2 | Caribbean reef shark | Fidalgo; azul | AY830739-40 | |
| Carcharhinus longimanus | Clo_01; 02 | 2 | Oceanic whitetip shark | - | AY830735-36 | |
| Carcharhinus obscurus | Cob_01; 02 | 2 | Dusky shark | Fidalgo | AY830737-38 | |
| Carcharhinus falciformis | Cfa_01; 02 | 2 | Silky shark | Lombo-preto | AY830725-26 | |
| Carcharhinus plumbeus | Cpl_01; 02 | 2 | Sandbar shark | Cação-galhudo | AY830741-42 | |
| Carcharhinus altimus | Cal_01 | 1 | Bignose shark | - | AY830722 | |
| Carcharhinus acronotus | Cac_01 | 1 | Blacknose shark | Flamengo | AY830721 | |
| Carcharhinus brevipinna | Cbr_01 | 1 | Spinner shark | - | AY830723 | |
| Carcharhinus limbatus | Cli_01; 02 | 2 | Blacktip shark | Sacurí; galha preta | AY830731-32 | |
| Carcharhinus limbatus | Cli_293 | 1 | - | Sacurí; galha preta | Present study FJ598682 |
|
| Carcharhinus porosus | Cpo_01 | 1 | Smalltail shark | Prenhoca | AY830743 | |
| Carcharhinus porosus | Cpo_288 | 1 | - | Prenhoca | Present study FJ598683 |
|
| Carcharhinus leucas | Cle_01 | 1 | Bull shark | Boca redonda | AY830730 | |
| Carcharhinus leucas | Cle_292 | 1 | - | Boca redonda | Present study FJ598691 |
|
| Carcharhinus isodon | Cis_01; 02 | 2 | Finetooth shark | - | AY830728-29 | |
| Isogomphodon oxyrhyncus | Iox_291 | 1 | Daggernose shark | Cação pato | Present study FJ598693 |
|
| Prionacea glauca | Pgl_01; 02 | 2 | Blue shark | - | AY830761-62 | |
| Negaprion brevirostris | Nbr_01 | 1 | Lemon shark | Cação areia | AY830756 | |
| Galeocerdo cuvier | Gcu_01 | 1 | Tiger shark | Tintureira; jaguará | AY830746 | |
| Triakidae | Mustelus norrisi | Mno_01 | 1 | Narrowfin smooth-hound | - | AY830755 |
| Mustelus canis | Mca_01 | 1 | Dusky smooth-hound | Canejo | AY830754 | |
| Alopidae | Alopias superciliosusd | Asu_01; 02 | 2 | Bigeye thresher | - | AY830718-19 |
| Alopias vulpinusd | Avu_01 | 1 | Thresher | - | AY830720 | |
a - (Szpilman, 2004); b - (Elias MP, MSc Dissertation, Universidade Federal do Pará, Belém-PA, 2004); c - GenBank accession number (Greig et al., 2005); d - Used only for the genetic divergence analysis.