Tachypleus

Tachypleus is a genus of south, southeast and east Asian horseshoe crabs in the family Limulidae.

Tachypleus Temporal range: Cenomanian–Present PreꞒ Ꞓ O S D C P T J K Pg N
Tachypleus tridentatus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Subphylum:	Chelicerata
Order:	Xiphosura
Family:	Limulidae
Genus:	Tachypleus (Leach, 1819)
Synonyms
†Heterolimulus (Via Boada & Villalta, 1966)

Species

There are two extant (living) species:

• Tachypleus gigas (Müller, 1785)
• Tachypleus tridentatus (Leach, 1819)

And two extinct species only known from fossil.^[1]

• Tachypleus decheni (Zincken, 1862) Upper Eocene Domsen Sands, Germany
• Tachypleus syriacus (Woodward, 1879) Upper Cretaceous (Cenomanian) Haqel and Hjoula Konservat-Lagerstatten, Lebanon