Tachypleus gigas was created in 1785.
Tachypleus tridentatus was created in 1819.
Animalia, Arthropoda, Merostomata, Xiphosurida, LimulidaeThere are different genera (Carcinoscorpius,Limulus, Mesolimulus, Tachypleus)There are no living species of the genus Mesolimulus anymore. The four living species belong to the other genera: Carcinoscorpius rotundicauda ( mangrove horseshoe crab), Limulus polyphemus (Atlantic horseshoe crab), Tachypleus gigas, Tachypleus tridentatus
Urocerus gigas was created in 1758.
Harpactira gigas was created in 1898.
Malacoctenus gigas was created in 1959.
Hysterocrates gigas was created in 1897.
Branchinecta gigas was created in 1937.
Ancylis gigas was created in 2009.
Lobatus gigas was created in 1758.
Carabus gigas was created in 1799.
Scartichthys gigas was created in 1876.
Moneilema gigas was created in 1873.