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Own every card of: Other arthropods.
A jointed shell, jointed legs and repeated moulting: arthropods built a body plan that proved hugely successful. Cambrian seas already held large predators. In the Carboniferous, some lived on land and far outgrew today's insects. Sea scorpions were among the giants too.
The start of their anecdote. The album's other cards are for you to discover in the game.
Ruedemann
A giant aquatic arthropod possibly ambushed its prey or fed on soft-bodied animals, at night or in low light. The genus name means "sharp branch".
Photo: John Mason Clarke (1857-1925) and Rudolf Ruedemann (1864-1956) (Public domain)
A. G. Desmarest
This crustacean of about ten centimetres may have fed on particles of the sea floor. Its remains are known from the Solnhofen limestone in Germany.
Photo: Didier Descouens (CC BY-SA 4.0)
Walcott
It was among the largest organisms of the Cambrian seas, at 18 to 30 cm for the type species. A big three-part carapace projected from its head, and appendages of 9 or more segments let it sift or trap small prey on the seafloor.
Photo: Junnn11 (CC BY-SA 4.0)
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