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  Animalia
      Arthropoda
            Insecta
                    Coleoptera
                            Cebrionidae
                                     Cebrio
                                             Cebrio knausi
                                             Cebrio pallidipennis
                                     Selonodon
                                             Selonodon medialis
                      Polyphaga
                        Elateriformia
                          Elateroidea
                                 [Cantharoidea]
                            Elateridae
                                     Aeolus
                                             Aeolus dorsalis
                                     Agriotes
                                             Agriotes bivittatus
                                             Agriotes blaisdelli
                                             Agriotes criddlei
                                             Agriotes cylindricus
                                             Agriotes lineatus
                                             Agriotes longithorax
                                             Agriotes mancus
                                             Agriotes oregonensis
                                             Agriotes porosus
                                             Agriotes vandykei
                              Agrypninae
                                     Alaus
                                             Alaus oculatus
                                     Ampedus
                                             Ampedus alabamensis
                                             Ampedus angusticorpus
                                             Ampedus propriater
                                             Ampedus pumilus
                                             Ampedus stenonotus
                                     Anchastus
                                             Anchastus arizonicus
                                             Anchastus militaris
                                               Anchastus militaris ssp. corvus
                                             Anchastus subopacus
                                             Anchastus swezeyi
                                             Anchastus ventralis
                                             Anchastus williamsi
                              Anischiinae
                                     Aplastus
                                             Aplastus arizonicus
                                             Aplastus cylindricus
                                             Aplastus peninsularis
                                             Aplastus piceus
                                             Aplastus pilosus
                                     Athous
                                             Athous appalachius
                                             Athous arizonicus
                                             Athous brevis
                                             Athous carolinus
                                             Athous erebus
                                             Athous essigi
                                             Athous excavatus
                                               Athous excavatus ssp. angelicus
                                               Athous excavatus ssp. carmeli
                                             Athous farallonicus
                                             Athous pallidipennis
                                               Athous pallidipennis ssp. sierrae
                                             Athous rufipennis
                                             Athous rufiventris
                                               Athous rufiventris ssp. maritimus
                                             Athous sordidus
                                     Brachylacon
                                             Brachylacon beardsleyi
                              Cardiophorinae
                                     Cardiophorus
                                             Cardiophorus stolatus
                              Cebrioninae
                                     [Cebrionidae]
                                     Scaptolenus
                                             Scaptolenus fuscipennis
                                             Scaptolenus lecontei
                                     Chalcolepidus
                                             Chalcolepidus erythroloma
                                     Conoderus
                                             Conoderus amplicollis
                                             Conoderus bicarinatus
                                             Conoderus cairnsensis
                                             Conoderus eschscholtz
                                             Conoderus eveillsrdi
                                             Conoderus exsul
                                             Conoderus falli
                                             Conoderus galapagoensis
                                             Conoderus vespertinus
                                     Ctenicera
                                             Ctenicera aeripennis
                                               Ctenicera aeripennis aeripennis
                                               Ctenicera aeripennis destructor
                                             Ctenicera barri
                                             Ctenicera glauca
                                             Ctenicera manisi
                                             Ctenicera noxia
                                             Ctenicera pruinina
                                     Dacnitus
                                             Dacnitus currax
                              Denticollinae
                              Diminae
                                     Drasterius
                                             Drasterius dorsalis
                                               Drasterius dorsalis comis
                                               Drasterius dorsalis dorsalis
                                     Eanus
                                             Eanus hatchi
                                     Elater
                                             Elater agonus
                                             Elater bimaculatus
                                             Elater brevis
                                             Elater brunneicolor
                                             Elater fenyesi
                                             Elater inquinatus
                                             Elater phelpsi
                                               Elater phelpsi ssp. hoppingi
                                             Elater rhodopus
                                               Elater rhodopus ssp. uteanus
                                             Elater ursinus
                                             Elater varipilis
                              Elaterinae
                                     Elathous
                                             Elathous californicus
                                     Eopenthes
                                             Eopenthes ambiguus
                                             Eopenthes antennatus
                                             Eopenthes arduus
                                             Eopenthes auratus
                                             Eopenthes basalis
                                             Eopenthes caeruleus
                                               Eopenthes caeruleus caeruleus
                                               Eopenthes caeruleus molokaiensis
                                             Eopenthes celatus
                                             Eopenthes cognatus
                                             Eopenthes debilis
                                             Eopenthes deceptor
                                             Eopenthes divisus
                                             Eopenthes funebris
                                             Eopenthes germanus
                                             Eopenthes gracilis
                                             Eopenthes humeralis
                                             Eopenthes kauaiensis
                                             Eopenthes konae
                                             Eopenthes longicollis
                                             Eopenthes marginatus
                                             Eopenthes mauiensis
                                             Eopenthes muticus
                                             Eopenthes oahuensis
                                             Eopenthes obscurus
                                             Eopenthes pallipes
                                             Eopenthes parvulus
                                             Eopenthes perkinsi
                                             Eopenthes plebeius
                                             Eopenthes politus
                                             Eopenthes satelles
                                             Eopenthes tarsalis
                                             Eopenthes tinctus
                                             Eopenthes unicolor
                                             Eopenthes varians
                                     Eschatroxus
                                             Eschatroxus rossi
                              Eudicronychinae
                                     Euthysanius
                                             Euthysanius brevis
                                             Euthysanius cribricollis
                                             Euthysanius piceus
                                             Euthysanius wagneri
                                     Glyphonyx
                                             Glyphonyx inquinatus
                                             Glyphonyx nanus
                                     Grammophorus
                                             Grammophorus galapagoensis
                                     Hemicrepidius
                                             Hemicrepidius dilaticollis
                                             Hemicrepidius montanus
                                             Hemicrepidius nemnonius
                                             Hemicrepidius obscurus
                              Hemiopinae
                                     Horistonotus
                                             Horistonotus uhlerii
                                             Horistonotus umbilicatus
                                     Hypnoidus
                                             Hypnoidus glacialis
                                             Hypnoidus lecontei
                                               Hypnoidus lecontei ssp. hirsutus
                                             Hypnoidus leei
                                     Hypocoelus
                                             Hypocoelus californicus
                                     Hypolithus
                                             Hypolithus abbreviatus
                                     Itodacne
                                             Itodacne blackburnianus
                                             Itodacne chloroticus
                                             Itodacne collaris
                                             Itodacne coruscus
                                             Itodacne gracilis
                                             Itodacne kauaiensis
                                             Itodacne major
                                             Itodacne novicornis
                                             Itodacne paradoxus
                                             Itodacne sordidus
                                     Lacon
                                             Lacon modestus
                                     Leptoschema
                                             Leptoschema praelontactum
                                               Leptoschema praelontactum ssp. gloris
                                             Leptoschema protractum
                                               Leptoschema protractum ssp. analelegans
                                               Leptoschema protractum ssp. detractum
                                               Leptoschema protractum ssp. elegans
                                     Limonius
                                             Limonius agonus
                                             Limonius arizonicus
                                             Limonius beutenmuelleri
                                             Limonius bicolor
                                             Limonius californicus
                                             Limonius canus
                                             Limonius cribriceps
                                             Limonius fulvipilis
                                               Limonius fulvipilis ssp. seminudus
                                             Limonius huguenini
                                             Limonius infuscatus
                                             Limonius kuschei
                                             Limonius lanei
                                             Limonius nebulosus
                                             Limonius norahae
                                             Limonius pappi
                                             Limonius pictus
                                             Limonius subauratus
                                             Limonius ursinus
                              Lissominae
                                     Ludius
                                             Ludius aplastoides
                                             Ludius appalachius
                                             Ludius atlas
                                             Ludius blaisdelli
                                             Ludius cruciatus
                                               Ludius cruciatus ssp. ater
                                             Ludius dolorosus
                                             Ludius granicollis
                                             Ludius hoppingi
                                             Ludius humboldti
                                             Ludius lobatus
                                               Ludius lobatus ssp. pygmaeus
                                             Ludius nunenmacheri
                                             Ludius patricius
                                             Ludius rainieri
                                             Ludius shastensis
                                             Ludius sierrae
                                             Ludius suckleyi
                                               Ludius suckleyi ssp. olympiae
                                             Ludius sylvaticus
                                             Ludius tahoensis
                                             Ludius tenellus
                                             Ludius uliginosus
                                     Megapenthes
                                             Megapenthes illinoiensis
                                             Megapenthes megalops
                                             Megapenthes obtusus
                                             Megapenthes variolatus
                                     Melanactes
                                             Melanactes agrypnoides
                                     Melanotus
                                             Melanotus franciscanus
                                             Melanotus longulus
                                               Melanotus longulus longulus
                                               Melanotus longulus oregonensis
                                     Melanoxanthus
                                             Melanoxanthus longicollis
                                               Melanoxanthus longicollis ssp. suturalis
                                             Melanoxanthus melanocephalus
                              Negastriinae
                                     Oxygonus
                                             Oxygonus arnetti
                              Oxynopterinae
                                     Paroedostethus
                                             Paroedostethus relictus
                              Physodactylinae
                                     Physorhinus
                                             Physorhinus chathami
                                             Physorhinus dichroa
                                             Physorhinus hoodi
                                             Physorhinus ruficeps
                              Pityobiinae
                                     Plastocerus
                                             Plastocerus amplicollis
                                             Plastocerus campanulatus
                                             Plastocerus gracilior
                                             Plastocerus maclayi
                                             Plastocerus pullus
                                     Platynychus
                                             Platynychus integer
                                     Prodrasterius
                                             Prodrasterius collaris
                                     Pyrophorus
                                             Pyrophorus avunculus
                                             Pyrophorus jocundus
                                             Pyrophorus magnus
                                             Pyrophorus pellucens
                                             Pyrophorus radians
                              Semiotinae
                                     Semiotus
                                             Semiotus cyrtomaris
                                             Semiotus gibbosus
                                             Semiotus rubricollis
                                     Sericus
                                             Sericus rugosus
                                     Simodactylus
                                             Simodactylus cinnamomeus
                              Subprotelaterinae
                              Tetralobinae
                              Thylacosterninae
                                     elaterid