Tachypleus
Tachypleus is a genus of south, southeast and east Asian horseshoe crabs in the family Limulidae.
Species
There are two extant species:Tachypleus gigas Tachypleus tridentatusAnd two extinct species only known from fossil.Tachypleus decheni Upper Eocene Domsen Sands, GermanyTachypleus syriacus Upper Cretaceous Haqel and Hjoula Konservat-Lagerstatten, Lebanon