Tylosurus acus (Lacépéde 1803) is the extant needlefish, a long-snouted, toothy sister to the top minnow, Fundulus, in the LRT. Note the divided naris and new bone identities compared to the Gregory 1938 drawing. Distinct from related taxa, the pectoral fins are set further posteriorly on the torso. This speedy taxon is terminal with no other relatives.
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