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For Insects, Spiders & Their Kin
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Tribe Megasternini

Phylum Arthropoda - Arthropods
Subphylum Hexapoda - Hexapods
Class Insecta - Insects
Order Coleoptera - Beetles
Suborder Polyphaga
No Taxon Series Staphyliniformia
Superfamily Hydrophiloidea
Family Hydrophilidae - Water Scavenger Beetles
Subfamily Sphaeridiinae
Tribe Megasternini

Genus Agna
Species capillata - Agna capillata
Genus Cercyon
No Taxon Subgenus Cercyon
Species adumbratus - Cercyon adumbratus
Species assecla - Cercyon assecla
Species cinctus - Cercyon cinctus
Species connivens - Cercyon connivens
Species erraticus - Cercyon erraticus
Species fimbriatus - Cercyon fimbriatus
Species floridanus - Cercyon floridanus
Species haemorrhoidalis - Cercyon haemorrhoidalis
Species herceus - Cercyon herceus
Species impressus - Cercyon impressus
Species lateralis - Cercyon lateralis
Species limbatus - Cercyon limbatus
Species littoralis - Cercyon littoralis
Species luniger - Cercyon luniger
Species marinus - Cercyon marinus
Species mendax - Cercyon mendax
Species nevadanus - Cercyon nevadanus
Species nigriceps - Cercyon nigriceps
Species occallatus - Cercyon occallatus
Species praetextatus - Cercyon praetextatus
Species pygmaeus - Cercyon pygmaeus
Species quisquilius - Cercyon quisquilius
Species unipunctatus - Cercyon unipunctatus
Species variegatus - Cercyon variegatus
Species versicolor - Cercyon versicolor
Species setulosus - Cercyon setulosus
No Taxon Subgenus Dicyrtocercyon
Species ustulatus - Cercyon ustulatus
No Taxon Subgenus Paracercyon
Species analis - Cercyon analis
Species laminatus - Cercyon laminatus
Species minusculus - Cercyon minusculus
No Taxon Subgenus Prostercyon
Species roseni - Cercyon roseni
Genus Cryptopleurum
Species minutum - Cryptopleurum minutum
Species subtile - Cryptopleurum subtile
Genus Deltostethus
Species columbiensis - Deltostethus columbiensis
Genus Megasternum
Species concinnum - Megasternum concinnum
Species obscurum - Megasternum obscurum
Species posticatum - Megasternum posticatum
Genus Oosternum
Species attacomis - Oosternum attacomis
Species costatum - Oosternum costatum
Species pubescens - Oosternum pubescens
Genus Tectosternum
Species naviculare - Tectosternum naviculare