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  Animalia
      Arthropoda
        Hexapoda
               [Apterygota]
            Insecta
              Pterygota
                Neoptera
                       [Endopterygota]
                       [Exopterygota]
                    Coleoptera
                      Polyphaga
                        Cucujiformia
                          Tenebrionoidea
                            Ciidae
                              Ciinae
                                     Apterocis
                                             Apterocis ephistemoides
                                             Apterocis hawaiiensis
                                             Apterocis hystrix
                                             Apterocis impunctatus
                                             Apterocis lanaiensis
                                             Apterocis montanus
                                               Apterocis montanus minor
                                               Apterocis montanus montanus
                                             Apterocis ornatipennis
                                             Apterocis rufonotatus
                                             Apterocis strigosus
                                             Apterocis subaeneus
                                             Apterocis vagepunctatus
                                             Apterocis variabilis
                                             Apterocis variegatus
                                     Ceracis
                                             Ceracis californicus
                                                   [Ceracis coloradensis]
                                                   [Ceracis convergens]
                                                   [Ceracis discolor]
                                                   [Ceracis grossulus]
                                                   [Ceracis oregonus]
                                                   [Ennearthron californicus]
                                                   [Ennearthron coloradensis]
                                                   [Ennearthron convergens]
                                                   [Ennearthron discolor]
                                                   [Ennearthron grossulus]
                                                   [Ennearthron oregonus]
                                             Ceracis curtus
                                                   [Ceracis compactus]
                                                   [Ceracis obesus]
                                                   [Cis obesus]
                                                   [Ennearthron compactus]
                                                   [Ennearthron curtus]
                                             Ceracis dixiensis
                                                   [Octotemnus dixiensis]
                                             Ceracis magister
                                             Ceracis minutissimus
                                                   [Cis minutissimus]
                                             Ceracis minutus
                                             Ceracis monocerus
                                                   [Ceracis unicorne]
                                                   [Ceracis unicornis]
                                                   [Ennearthron unicornis]
                                             Ceracis multipunctatus
                                                   [Ennearthron multipunctatus]
                                             Ceracis nigropunctatus
                                             Ceracis obrieni
                                             Ceracis pecki
                                             Ceracis powelli
                                             Ceracis pullulus
                                                   [Ennearthron pullulus]
                                             Ceracis punctulatus
                                               Ceracis punctulatus punctulatus
                                               Ceracis punctulatus rubriculus
                                             Ceracis quadricornis
                                             Ceracis sallei
                                                   [Ceracis sellei]
                                                   [Ennearthron sallei]
                                             Ceracis schaefferi
                                             Ceracis singularis
                                                   [Xestocis singularis]
                                             Ceracis thoracicornis
                                                   [Ceracis bifoveatus]
                                                   [Ceracis laminifrons]
                                                   [Ceracis mellyi]
                                                   [Ceracis oblongus]
                                                   [Ceracis piceus]
                                                   [Ceracis pumicatus]
                                                   [Ceracis thoracicinus]
                                                   [Ceracis thoracicus]
                                                   [Ceracis unicolor]
                                                   [Cis thoracicornis]
                                                   [Ennearthron laminifrons]
                                                   [Ennearthron mellyi]
                                                   [Ennearthron oblongus]
                                                   [Ennearthron piceus]
                                                   [Ennearthron unicolor]
                                     Cis
                                           [Eridaulus]
                                           [Macrocis]
                                           [Xestocis]
                                             Cis acritus
                                             Cis alienus
                                             Cis americanus
                                                   [Cis forsteri]
                                                   [Cis frosti]
                                                   [Cis hatchi]
                                                   [Cis insolens]
                                                   [Cis minor]
                                                   [Cis nitidus]
                                                   [Cis oweni]
                                                   [Cis serricollis]
                                                   [Cis strigulosus]
                                                   [Xestocis insolens]
                                                   [Xestocis minor]
                                                   [Xestocis nitidus]
                                                   [Xestocis oweni]
                                                   [Xestocis strigulosus]
                                             Cis angustiformis
                                             Cis angustus
                                             Cis biarmatus
                                                   [Cis bicarinatus]
                                             Cis bicolor
                                             Cis bimaculatus
                                             Cis boleti
                                                   [Dermestes boleti]
                                             Cis breviformis
                                             Cis calidus
                                             Cis castlei
                                                   [Xestocis castlei]
                                             Cis cayensis
                                             Cis chloroticus
                                             Cis cognatissimus
                                             Cis congestus
                                                   [Cis lodingi]
                                             Cis cornelli
                                             Cis cornutus
                                             Cis creberrimus
                                                   [Cis nubillus]
                                                   [Cis nubilus]
                                                   [Cis puberulus]
                                             Cis crinitus
                                             Cis diminutivus
                                             Cis discolor
                                             Cis dracaenae
                                             Cis dunedinensis
                                                   [Cis pusillus]
                                             Cis duplex
                                             Cis ephippiatus
                                                   [Cis ephippium]
                                                   [Cis moznettei]
                                                   [Xestocis moznettei]
                                             Cis evanescens
                                             Cis fallax
                                             Cis festivulus
                                             Cis floridae
                                             Cis fuscipes
                                                   [Cis atripennis]
                                                   [Cis carolinae]
                                                   [Cis chevrolatii]
                                                   [Cis dubius]
                                                   [Cis impressus]
                                                   [Cis pallens]
                                             Cis gravipennis
                                             Cis haleakalae
                                             Cis hirsutus
                                             Cis horridulus
                                                   [Cis mormonicus]
                                             Cis huachucae
                                             Cis hystriculus
                                             Cis immaturus
                                             Cis insulicola
                                             Cis kauaiensis
                                             Cis krausi
                                                   [Cis duryi]
                                             Cis laeticulus
                                             Cis laminatus
                                             Cis levettei
                                                   [Cis levellei]
                                                   [Xestocis levettei]
                                             Cis longipennis
                                             Cis maritimus
                                                   [Xestocis maritimus]
                                             Cis megastictus
                                             Cis miles
                                                   [Xestocis miles]
                                             Cis mimus
                                             Cis mirabilis
                                             Cis molokaiensis
                                             Cis nesiotes
                                             Cis niedhauki
                                             Cis nigrofasciatus
                                             Cis nudipennis
                                             Cis pacificus
                                             Cis paritii
                                             Cis pistoria
                                             Cis porcatus
                                             Cis quadridentatus
                                                   [Cis blatchleyi]
                                                   [Xestocis quadridentatus]
                                             Cis robiniophilus
                                             Cis roridus
                                             Cis rotundulus
                                             Cis setarius
                                             Cis signatus
                                             Cis simulator
                                             Cis stereophilus
                                             Cis striolatus
                                                   [Cis fraternus]
                                                   [Cis macilentus]
                                             Cis subfuscus
                                             Cis subtilis
                                                   [Cis confusus]
                                                   [Cis julichi]
                                                   [Cis wenzeli]
                                             Cis tabidus
                                             Cis tetracentrum
                                                   [Cis arizonae]
                                             Cis tridentatus
                                                   [Cis ednae]
                                                   [Cis reflexus]
                                                   [Xestocis ednae]
                                                   [Xestocis reflexus]
                                             Cis tristis
                                                   [Cis falli]
                                                   [Cis setulosus]
                                             Cis unicus
                                             Cis ursulinus
                                             Cis vagans
                                             Cis versicolor
                                             Cis vitulus
                                                   [Cis caseyi]
                                                   [Cis illustris]
                                     Dolichocis
                                             Dolichocis indistinctus
                                             Dolichocis manitoba
                                     Ennearthron
                                           [Ennearthrum]
                                             Ennearthron aurisquamosum
                                             Ennearthron cornutus
                                             Ennearthron spenceri
                                                   [Plesiocis spenceri]
                                     Hadraule
                                           [Diphyllocis]
                                           [Knablia]
                                           [Maphaea]
                                           [Maphoca]
                                           [Pityocis]
                                             Hadraule blaisdelli
                                             Hadraule elongatula
                                                   [Cis elongatulus]
                                                   [Ennearthron striata]
                                                   [Hadraule coarctata]
                                                   [Hadraule striata]
                                                   [Pityocis coarctata]
                                             Hadraule explanata
                                     Malacocis
                                           [Brachycis]
                                             Malacocis brevicollis
                                                   [Brachycis brevicollis]
                                             Malacocis championi
                                     Octotemnus
                                             Octotemnus glabriculus
                                             Octotemnus laevis
                                                   [Octotemnus denudatus]
                                     Orthocis
                                           [Mellieicis]
                                             Orthocis huesanus
                                             Orthocis longulus
                                             Orthocis pulcher
                                             Orthocis punctatus
                                                   [Cis punctatus]
                                                   [Orthocis aterrimus]
                                             Orthocis transversatus
                                                   [Ennearthron pallidus]
                                                   [Ennearthron transversatus]
                                                   [Orthocis pallidus]
                                     Plesiocis
                                             Plesiocis cribrum
                                     Rhopalodontus
                                           [Ropalodontus]
                                             Rhopalodontus americanus
                                             Rhopalodontus perforatus
                                     Strigocis
                                             Strigocis bilimeki
                                                   [Cis bilimeka]
                                             Strigocis opacicollis
                                             Strigocis opalescens
                                                   [Strigocis davisi]
                                                   [Xestocis davisi]
                                                   [Xestocis opalescens]
                                     Sulcacis
                                           [Entypocis]
                                           [Entypus]
                                             Sulcacis curtulus
                                                   [Cis criddlei]
                                                   [Cis cylindricus]
                                                   [Cis montana]
                                                   [Cis sorror]
                                                   [Sulcacis criddlei]
                                                   [Sulcacis cylindricus]
                                                   [Sulcacis montana]
                                                   [Sulcacis niger]
                                                   [Sulcacis sorror]
                                             Sulcacis lengi
                              Sphindociinae
                                     Sphindocis
                                             Sphindocis denticollis