Branchioplax
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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.
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