Pachydrus (genus)

Pachydrus brevis

Pachydrus cayennensis

Pachydrus cribratus

Pachydrus globosus

Pachydrus obesus

Pachydrus obniger

Pachydrus politus

Pachydrus princeps

Pachydrus ritsemae

Acilius

Aethionectes

Africodytes

Africophilus

Agabetes

Agabinus

Agabus

Agaporomorphus

Aglymbus

Agnoshydrus

Allodessus

Allopachria

Amarodytes

Amurodytes

Andex

Andonectes

Anginopachria

Anodocheilus

Antiporus

Australphilus

Austrodytes

Barretthydrus

Batrachomatus

Belladessus

Bidessodes

Bidessonotus

Bidessus

Boreonectes

Borneodessus

Brachyvatus

Brancuporus

Bunites

Calicovatellus

Canthyporus

Capelatus

Caperhantus

Carabdytes

Carabhydrus

Celina

Chostonectes

Clarkhydrus

Clemnius

Clypeodytes

Coelhydrus

Colymbetes

Comaldessus

Copelatus

Coptotomus

Crinodessus

Cybister

Darwinhydrus

Deronectes

Derovatellus

Desmopachria

Deuteronectes

Dimitshydrus

Dytiscus

Ereboporus

Eretes

Etruscodytes

Exocelina

Fontidessus

Geodessus

Gibbidessus

Glareadessus

Graphoderus

Graptodytes

Haideoporus

Hamadiana

Hemibidessus

Heterhydrus

Heterosternuta

Hoperius

Hornectes

Hovahydrus

Huxelhydrus

Hydaticus

Hyderodes

Hydrocolus

Hydrodessus

Hydrodytes

Hydroglyphus

Hydronebrius

Hydropeplus

Hydroporus

Hydrotrupes

Hydrovatus

Hygrotus

Hyphovatus

Hyphydrus

Hypodessus

Iberonectes

Iberoporus

Ilybiosoma

Ilybius

Incomptodessus

Japanolaccophilus

Kakadudessus

Kuschelydrus

Laccodytes

Laccomimus

Lacconectus

Laccophilus

Laccoporus

Laccornellus

Laccornis

Laccosternus

Lancetes

Laodytes

Larsonectes

Leconectes

Leiodytes

Limbodessus

Liodessus

Lioporeus

Liopterus

Madaglymbus

Matus

Megadytes

Megaporus

Meladema

Melanodytes

Meridiorhantus

Metaporus

Methles

Microdessus

Microdytes

Microhydrodytes

Morimotoa

Mystonectes

Napodytes

Nartus

Nebrioporus

Necterosoma

Nectoboreus

Nectomimus

Nectoporus

Neobidessodes

Neobidessus

Neoclypeodytes

Neonectes

Neoporus

Neoscutopterus

Neptosternus

Notaticus

Novadessus

Onychohydrus

Oreodytes

Pachydrus

Pachynectes

Papuadessus

Paroster

Peschetius

Petrodessus

Philaccolilus

Philaccolus

Philodytes

Phreatodessus

Platambus

Platydytes

Platynectes

Porhydrus

Primospes

Pseuduvarus

Psychopomporus

Queda

Regimbartina

Rhantaticus

Rhantus

Rhithrodytes

Rompindessus

Sandracottus

Sanfilippodytes

Scarodytes

Sekaliporus

Sharphydrus

Siamoporus

Siettitia

Sinodytes

Spanglerodessus

Spencerhydrus

Sternhydrus

Sternopriscus

Stictonectes

Stictotarsus

Stygoporus

Tassilodytes

Tepuidessus

Thermonectus

Tikoloshanes

Tiporus

Trichonectes

Trogloguignotus

Tyndallhydrus

Typhlodessus

Uvarus

Vatellus

Yola

Yolina

Zaitzevhydrus

Zimpherus