Weederkraaben
A Weederkraaben (Dytiscidae)  san en famile faan Kraaben (Insekten), huar't 3.200 slacher of muar faan jaft. Uun Euroopa lewe son 375 slacher, uun Madeleuroopa san't son 152.

Onerfamilin 
Agabinae – Colymbetinae – Copelatinae – Coptotominae – Dytiscinae – Hydrodytinae – Hydroporinae – Laccophilinae – Lancetinae – Matinae – †Liadytiscinae

Aal a sköölen 

Acilius – Aethionectes – Africodytes – Africophilus – Agabetes – Agabus – Agametrus – Agaporomorphus – Aglymbus – Agnoshydrus – Allodessus – Allopachria – Amarodytes – Amurodytes – Andex – Andonectes – Anginopachria – Anisomeria – Anodocheilus – Antiporus – Australphilus – Austrodytes – Barretthydrus – Batrachomatus – Bidessodes – Bidessonotus – Bidessus – Boreonectes – Borneodessus – Brachyvatus – Brancuporus – Bunites – Canthyporus – Carabdytes – Carabhydrus – Celina – Chostonectes – Clypeodytes – Coelhydrus – Colymbetes – Comaldessus – Copelatus – Coptotomus – Crinodessus – Cybister – Darwinhydrus – Deronectes – Derovatellus – Desmopachria – Dimitshydrus – Dytiscus – Ereboporus – Eretes – Etruscodytes – Exocelina – Fontidessus – Geodessus – Gibbidessus – Glareadessus – Graphoderus – Graptodytes – Haideoporus – Hemibidessus – Heroceras – Herophydrus – Heterhydrus – Heterosternuta – Hoperius – Hovahydrus – Huxelhydrus – Hydaticus – Hyderodes – Hydrocolus – Hydrodessus – Hydrodytes – Hydroglyphus – Hydronebrius – Hydropeplus – Hydroporus – Hydrotrupes – Hydrovatus – Hygrotus – Hyphoporus – Hyphovatus – Hyphydrus – Hypodessus – Iberoporus – Ilybiosoma – Ilybius – Incomptodessus – Japanolaccophilus – Kakadudessus – Kuschelydrus – Laccodytes – Lacconectus – Laccophilus – Laccoporus – Laccornellus – Laccornis – Laccosternus – Lancetes – Leiodytes – Leuronectes – Limbodessus – Liodessus – Lioporeus – Liopterus – Madaglymbus – Matus – Megadytes – Megaporus – Meladema – Melanodytes – Metaporus – Methles – Microdessus – Microdytes – Microhydrodytes – Morimotoa – Napodytes – Nebrioporus – Necterosoma – Neobidessodes – Neobidessus – Neoclypeodytes – Neoscutopterus – Neptosternus – Notaticus – Onychohydrus – Oreodytes – Pachydrus – Pachynectes – Papuadessus – Paroster – Peschetius – Petrodessus – Philaccolilus – Philaccolus – Philodytes – Phreatodessus – Platambus – Platydytes – Platynectes – Porhydrus – Primospes – Prodaticus – Pseudhydrovatus – Pseuduvarus – Psychopomporus – Queda – Regimbartina – Rhantaticus – Rhantus – Rhithrodytes – Sandracottus – Sanfilippodytes – Scarodytes – Sekaliporus – Senilites – Sharphydrus – Siamoporus – Siettitia – Sinodytes – Spanglerodessus – Spencerhydrus – Sternhydrus – Sternopriscus – Stictonectes – Stictotarsus – Stygoporus – Suphrodytes – Tepuidessus – Terradessus – Thermonectus – Tikoloshanes – Tiporus – Trogloguignotus – Tyndallhydrus – Typhlodessus – Uvarus – Vatellus – Yola – Yolina – †Calicovatellus – †Cretodytes – †Liadroporus – †Liadytiscus – †Mesoderus – †Palaeodytes – †Schistomerus – †Sinoporus

Enkelt sköölen an slacher 
 Dytiscus
 Weedermaan (Dytiscus marginalis)

Luke uk diar 

Coleoptera