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Trilobites ranged in size from about half an inch to around two feet in length. Haikouicthys, one of the earliest known fish, was about an inch long. Ammonites ranged in size from around 9 inches to some species as large as 6.5 feet. Anamolocaris was a huge apex predator for its time, but by modern standards wasn't very large, only measuring three to six feet long. Rudists, a type of bivalve that was so common during the Cretaceous, piles of them formed reefs. They ranged from a few centimeters to over a meter in length, depending on the type.
What else can I help you with?
What are five prehistoric marine creatures?
Elasmosaurus, Ichthyosurus, Teleosaurus, Mosasaurus, and Kronosaurus were five marine dinosaurs, but they couldn't breathe underwater, so they had to come up to the surface to breathe air, just as whales and dolphins do today. However, prehistoric marine creatures can also include the humongous Megalodon shark. Bacteria of course, but im not sure about brachiopods and trilobites
What are some antarctic sea creatures?
There are many Antarctic sea creatures. Five of these amaizng creatures are an Antarctic octopus, sea spiders, tunicates, marine woodlice, sea lemons. Also Polarbears are not sea animals but howver they od swim in the cold waters of Antarctica
What are the five largest prehistoric sharks?
MegalodonOtodusPtychodusIsurus hastalisEdestus
How big were prehistoric mosquitoes?
Prehistoric Mosquitoes could reach four inches long; having a five inch wingspan.
Were dinosaurs the last prehistoric things?
Sixety five million years ago the dinosaurs went extinct, but their are still whales and sharks that are considered prehistoric.
What are some popular occurrences of the number 5 eg five senses?
Well there is the five kingdoms of living creatures.
What is the duration of Five Marines?
The duration of Five Marines is 1.97 hours.
Why are the shipwrecks in Fathom five so important?
The Fathom Five National Marine Park is a marine conservation area in Lake Huron, Ontario. It aims to preserve and display shipwrecks and lighthouses to tourists.
Who killed the five LynchburgVa firemen in 1883?
Marine Firemen's Union
What are the five main sea creatures?
Whales, Sharks, Octopuses/Squids, Fish, and Seals.
What is a private grade five in the marine corps?
Actually, a grade 5 private is Marine lingo for someone who countinually loses rank.
What are the different types of sand dollars found in marine ecosystems?
There are several species of sand dollars found in marine ecosystems, including the common sand dollar (Echinarachnius parma) and the keyhole sand dollar (Mellita quinquiesperforata). These creatures are echinoderms that belong to the same family as sea urchins and starfish. Sand dollars are known for their flat, round bodies and distinctive five-part radial symmetry.
