Ammonites Jurasic Age approx. 146 – 200 million years old Class: Cephalopod

AmmonitesJurasic Ageapprox. 146 – 200 million years old

Class: CephalopodModern Relatives: squid, snails

AmmonitesJurasic Ageapprox. 146 – 200 million years old

Class: CephalopodModern Relatives: squid, snails

Crinoid StemDevonian Ageapprox. 359 – 416 million years old

Phylum: EchinodermModern Relatives: starfish, sea whip

Crinoid StemDevonian Ageapprox. 359 – 416 million years old

Phylum: EchinodermModern Relatives: starfish, sea whip

OrthocerasDevonian Ageapprox. 359 – 416 million years old

Class: CephalopodModern Relatives: squid

OrthocerasDevonian Ageapprox. 359 – 416 million years old

Class: CephalopodModern Relatives: squid

TrilobiteDevonian Ageapprox. 359 – 416 million years old

Class: ArthropodModern Relatives: crabs, spiders

TrilobiteDevonian Ageapprox. 359 – 416 million years old

Class: ArthropodModern Relatives: crabs, spiders

BrachiopodCretaceous Ageapprox. 65 – 146 million years old

Phylum: BrachiopodSome still exist today

BrachiopodCretaceous Ageapprox. 65 – 146 million years old

Phylum: BrachiopodSome still exist today

Branch CoralDevonian Ageapprox. 359 – 416 million years old

Class: AnthozoaMany types of coral still exist today

Branch CoralDevonian Ageapprox. 359 – 416 million years old

Class: AnthozoaMany types of coral still exist today

GastropodCretaceous Ageapprox. 65 – 146 million years old

Phylum: MolluskMany still exist today (snails, slugs)

GastropodCretaceous Ageapprox. 65 – 146 million years old

Phylum: MolluskMany still exist today (snails, slugs)

Fossil ClamCretaceous Ageapprox. 65 – 146 million years old

Phylum: Mollusk Class: BivalveMany still exist today