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This Blepharisma japonicum is a single-celled protist called a ciliate, a...
The Model Megalodon
Take a trip to the National Museum of Natural History in Washington, D.C. and you...
The Lace Crab
Marella splendens was an arthropod that lived during the Cambrian Period. It is the...
This blue-green microbe called a cyanobacterium was likely the first photosynthetic...
Carcharocles megalodon was once the most fearsome predator to reign the seas. This...
Oysters filter about 50 gallons of water a day.
Here is an ammonite, an extinct, shelled cephalopod related to the octopus and...
Sharks from the Vault
The sharks housed in the Smithsonian National Museum of Natural History's...
Fri, 07/20/2018 - 11:30
These gorgeous sharks are leopard catsharks (Poroderma pantherinum) found in the...