PREVIOUS HIGHER LEVEL -- Subfamily : VARUNINAE
Exognath of external maxillipeds broader than or nearly as broad as ischium
carapace very flat and lateral borders toothed,no posterolateral facet defined
Genus
Ptychognathus
Exognath of external maxillipeds narrower than ischium,external maxillipeds do not close buccal cavern completely
carapace subcircular,teeth of anterolateral border flattish and separated by very narrow notches
merus of external maxillipeds shorter than ischium and as long as broad
Genus
Pseudograpsus
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