Subfamily Asthenognathinae Stimpson 1858 (crab)

Malacostraca - Decapoda - Varunidae

Parent taxon: Varunidae according to C. E. Schweitzer et al. 2023

See also De Angeli and Garassino 2006, Karasawa 1993, Rathbun 1909, Schweitzer and Feldmann 1999, Schweitzer and Feldmann 2001 and Schweitzer et al. 2010

Sister taxa: Cyclograpsinae, Gaeticinae, Sakakurapsus, Thalassograpsinae, Varuninae

Subtaxa: Asthenognathus Globihexapus

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Ecology: infaunal detritivore

Distribution:

• Pliocene of Italy (1 collection)

• Miocene of Argentina (2), Hungary (1), United States (2: Oregon)

• Oligocene of Italy (1), United States (3: Washington)

• Eocene of Argentina (1)

Total: 11 collections each including a single occurrence

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