Arthropods
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Arthropoda collage: Trilobite (top left), eurypterid (top right), scorpion (middle left), crab (middle right), centipede (bottom left), and butterfly (bottom right).
Modern Day Arthropods
A variety of familiar organisms fall within the arthropod umbrella today, such as spiders, insects, and crustaceans.
In the Museum Collections
View specimen list here.
Total arthropod specimens: 339
Total identified species: 57
Specimens from Arkansas: 133
Identified species from Arkansas: 8
Fossil Record
Trilobites, now extinct, appear in the fossil record 521 to 252 million years ago. Over 25,000 different trilobite species have been identified.
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Trilobite (UA Museum), Marion County, AR. Map indicates the county the specimen was found.
Image Credits:
- Multiple Authors: Kolihapeltis 01 Pengo.jpg: Peter Halasz, Stylonurus BW.jpg: Nobu Tamura, SCORPIO MAURUS PALMATUS.jpg: Guy Haimovitch, Blue crab on market in Piraeus – Callinectes sapidus Rathbun 20020819-317.jpg: Wpopp, Female centipede with eggs.jpg: Marshal Hedin, John Kratz – Swallowtail (by-sa).jpg: John Kratz, derivative work: Xvazquez, Amada44. Wikimedia Commons. CC BY-SA 4.0.
- Oberg, Danielle. Arkansas map.
- Oberg, Danielle. U of A Museum paleontological specimens.