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Atlantic Horseshoe Crab (Limulus polyphemus)
Ancient
96Six Legs
Bug Bite · From the file on Atlantic Horseshoe Crab

Horseshoe crabs are 450 million years old — older than every dinosaur. Modern Limulus is essentially identical to Ordovician fossil ancestors.

AgencySmithsonian InstitutionVerified by sources
Read the full file on Atlantic Horseshoe Crab

More Ancient bites

Atlas Moth (Attacus atlas)
Ancient
Six Legs76

Attacus atlas is named for Atlas, the Titan of Greek myth who held the sky — a reference to its scale, not its weight.

Atlas MothVerified by sources
Common Bed Bug (Cimex lectularius)
Ancient
Six Legs79

Bed bugs have been documented in human shelters for at least 3,500 years — fossilized specimens have been recovered from a 3,500-year-old Egyptian site.

Common Bed BugVerified by sources
Globe Skimmer Dragonfly (Pantala flavescens)
Ancient
Six Legs80

The dragonfly lineage is 300 million years old — Carboniferous ancestors had 70 cm wingspans, the largest flying insects in history.

Globe Skimmer DragonflyVerified by sources
African Dung Beetle (Scarabaeus satyrus)
Ancient
Six Legs82

Ancient Egyptians revered the dung beetle as Khepri, god of the rising sun — observing that the beetle 'rolls the sun across the sky' the way it rolls its ball.

African Dung BeetleVerified by sources
Giant Huntsman Spider (Heteropoda maxima)
Ancient
Six Legs74

The species was only described in 2001 — found in karst caves in central Laos by Senckenberg Museum arachnologist Peter Jäger.

Giant Huntsman SpiderVerified by sources
Goliath Birdeater (Theraphosa blondi)
Ancient
Six Legs82

The 'birdeater' name comes from a single 1705 illustration by Maria Sibylla Merian showing one eating a hummingbird in Suriname — three centuries of branding from one watercolor.

Goliath BirdeaterVerified by sources