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Invertebrates

Arthropods

Basic design of arthropods includes bilateral symmetry, a segmented body, jointed appendages, and a stiff exoskeleton composed of chitin and proteins and sometimes further strengthened with calcium carbonate or calcium phosphate.

Groups include crustaceans (such as crabs and lobsters), chelicerates (such as spiders, scorpions, and eurypterids (extinct)), uniramians (insects) and trilobites (extinct).

Collections at this repository contain a wide variety of arthropods with interesting type specimens of crabs and lobsters from the work of Rathbun and Stenzel.

The large collection of trilobites catalogued into the BEG collection was transferred[pdf]* to the Smithsonian in 1973.

Learn more about arthropods

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Barnacles
Barnacles (crustaceans) using a pebble as a hard surface for attachment.

Crab
BEG 21098
Cenomanocarcinus vanstraeleni
Stenzel

 

Frequently used abbreviations: NPL  Non-vertebrate Paleontology Laboratory | TNSC Texas Natural Science Center | UTDGS Department of Geological Sciences | BEG  Bureau of Economic Geology | VPL Vertebrate Paleontology Laboratory | JSG  Jackson School of Geosciences | SUPPORT | VOLUNTEER | GLOSSARY


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