Cetorhinus maximus Basking shark Cetorhinus blainvillei Cetorhinus normani Halsydrus pontoppidiani NCBITaxon:57982 Polyprosopus macer Selachus pennantii Squalus cetaceus Squalus elephas Squalus gunnerianus Squalus homianus Squalus isodus Squalus maximus Squalus pelegrinus Squalus rashleighanus Squalus rostratus TTO:1006834 Tetroras maccoyi teleost-taxonomy urn:lsid:globalnames.org:index:b1ebe06d-3eb2-5624-b838-45a2f5dc4bf0 Cetorhinus