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eurypterid's Usage Examples:

The earliest known eurypterids.

Campylocephalus is a genus of eurypterid, a group of extinct aquatic arthropods.

is an ichnofossil genus, interpreted as a eurypterid swimming trace.

Traces produced by swimming eurypterids were described from the Silurian Williamsville.

Carcinosoma (meaning "crab body") is a genus of eurypterid, an extinct group of aquatic arthropods.

Palmichnium ("palm trace") is an ichnofossil genus, interpreted as a eurypterid trackway.

Eurypteridae is an extinct family of eurypterids that lived in the Silurian and Devonian periods.

Eurypterina is one of two suborders of eurypterids, an extinct group of chelicerate arthropods commonly known as "sea scorpions".

Eurypteroidea are an extinct superfamily of eurypterids.

This list of eurypterid genera is a comprehensive listing of all genera that have ever been included in the order Eurypterida, excluding purely vernacular.

Merostomichnites is an ichnofossil genus, interpreted as a eurypterid trace.

Traces produced by this large eurypterid were described from the Silurian and Lower Ordovician.

Megarachne is a genus of eurypterid, an extinct group of aquatic arthropods.

the type genus Pterygotus, meaning "winged fish") is a superfamily of eurypterids, an extinct group of aquatic arthropods.

Strobilopteridae is an extinct family of eurypterids that lived in the Silurian and Devonian periods.

The Kokomopteridae are a family of eurypterids, an extinct group of chelicerate arthropods commonly known as "sea scorpions".

(ónyx), "claw", and πτερόν (pteron), "wing") is a genus of predatory eurypterid ("sea scorpion"), an extinct group of aquatic arthropods.

Hughmilleria is a genus of eurypterid, an extinct group of aquatic arthropods.

Megalograptidae are a family of eurypterids, an extinct group of chelicerate arthropods commonly known as "sea scorpions".

These eurypterids are found from the Silurian to the Devonian periods.

Adelophthalmus is a genus of eurypterid, an extinct group of aquatic arthropods.

Moselopteridae are an extinct family of eurypterids.

eurypterid's Meaning':

large extinct scorpion-like arthropod considered related to horseshoe crabs