yes
what are some prehistoric plants from the grassland
Styxosaurus was not a mammal. It is a prehistoric marine reptile.
The Extinct Animal website (refer to the link, below) lists a number of prehistoric fish and reptiles.
That is the correct spelling of "ammonite" (a prehistoric mollusc, a marine snail).
A paleontologist specializing in prehistoric sea creatures is often referred to as a marine paleontologist. They study the fossilized remains of ancient marine life to understand the evolution and biodiversity of organisms that lived in ancient seas.
The comprehensive marine plants list includes various types of seaweeds, seagrasses, and algae.
Prehistoric mammals and dinosaurs have not been found in Iowa. Iowa did have prehistoric marine life though. Some examples are Crinoids and Corrals.
The bristlecone pine.
Some examples of marine plants include seaweed, kelp, seagrass, and algae. These plants play important roles in marine ecosystems by providing food and habitat for various marine organisms.
A prehistoric marine reptile, the largest of the Pliosaurs and they were like a 60 foot crocodile with flippers.
whales (although there were some pretty big prehistoric marine beasties)
they studdy marine life such as plants and animals