ความคิดเห็นที่ 2 Adults with 2 rows of enlarged fangs along the snout ; an outer row on the infraorbital bones and an inner row along the palatine ; gill rakers large and ornate , 59 to 81 rakers in outer row of first arch .Genus Atractosteus .
Adults with a single row of enlarged fangs along the infraorbital bones (outer row) ; palatine toothed but lacking enlarged fangs ; gill rakers small and pear-shaped , 14 to 33 rakers in outer row of first arch Genus Lepisosteus .