Malacostraca - Decapoda - Varunidae
Full reference: C. E. Schweitzer and R. M. Feldmann. 1999. Fossil decapod crustaceans from the late Oligocene to early Miocene Pysht Formation and late Oligocene Quimper Sandstone, Olympic Peninsula, Washington. Annals of Carnegie Museum 68(4):215-273
Belongs to Asthenognathus according to C. E. Schweitzer et al. 2010
See also Schweitzer and Feldmann 1999 and Schweitzer and Feldmann 2001
Sister taxa: Asthenognathus atlanticus, Asthenognathus globosa, Asthenognathus hexagonum, Asthenognathus inaequipes, Asthenognathus laverdensis, Asthenognathus microspinus, Asthenognathus rakosensis, Asthenognathus urretae
Type specimen: CM 39687, an exoskeleton. Its type locality is RB36, Tegland Point, which is in a Chattian marine siltstone in the Pysht Formation of Washington.
Ecology: infaunal detritivore
Distribution:
• Oligocene of United States (3: Washington collections)
Total: 3 collections each including a single occurrence
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.