Branchioplax Temporal range: Eocene |
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Fossil Branchioplax washingtoniana | |
Scientific classification | |
Kingdom: | Animalia |
Phylum: | Arthropoda |
Subphylum: | Crustacea |
Class: | Malacostraca |
Order: | Decapoda |
Infraorder: | Brachyura |
Superfamily: | Goneplacoidea |
Family: | Mathildellidae |
Genus: |
Branchioplax Rathbun, 1916 |
Branchioplax is an extinct genus of crab which existed in Alaska and Washington during the Eocene period. It was first named by Mary Rathbun in 1916, and contains ten species , including Branchioplax washingtoniana from the Hoko River Formation, Branchioplax carmanahensis, and Branchioplax ballingi.