Children (142 direct children, 146 direct and indirect children):
Spiny dogfish shark
(tree size 3)
Spurdog
Japanese spurdog
Squalus japonicus
Cyrano spurdog
Squalus rancureli
Blacktailed spurdog
Squalus melanurus
Cuban dogfish
Squalus cubensis
Longnose spurdog
Squalus blainvillei
Shortspine spurdog
Squalus mitsukurii
Little gulper shark
Squalus uyato
Eastern highfin spurdog
Squalus albifrons
Eastern longnose spurdog
Squalus grahami
Fatspine spurdog
Squalus crassispinus
Western highfin spurdog
Squalus altipinnis
Western longnose spurdog
Squalus nasutus
Bartail spurdog
Squalus notocaudatus
Squalus megalops
Shortnose spurdog
Squalus acutirostris
Chinese longnose dogfish
Squalus montalbani
Philippine spurdog
Bighead spurdog
Squalus bucephalus
Squalus suckleyi
Spotted spiny dogfish
Squalus brevirostris
Japanese shortnose spurdog
Squalus raoulensis
Kermadec spiny dogfish
Squalus griffini
Northern spiny dogfish
Squalus hemipinnis
Indonesian shortsnout spurdog
Squalus chloroculus
Greeneye spurdog
Squalus edmundsi
Western longnose spurdog
Squalus formosus
Taiwan spurdog
Squalus lalannei
Seychelles spurdog
Squalus acutipinnis
Squalus lobularis
Atlantic lobefin dogfish
Squalus bahiensis
Northeastern brazilian dogfish
Squalus quasimodo
Humpback western dogfish
Squalus albicaudus
Brazilian whitetail dogfish
Squalus bassi
Squalus mahia
Squalus margaretsmithae
Squalus carcharias
(tree size 1)
Squalus clarkae
Squalus hawaiiensis
Hawaiian spurdog
Squalus shiraii
Squalus canicula
Squalus acronotus
Squalus africanus
Squalus albomaculatus
Squalus alopecias
Squalus anisodon
Squalus antiquorum
Squalus appendiculatus
Squalus arcticus
Squalus argus
Squalus asper
Squalus caecchia
Squalus carolinensis
Squalus catulus
Squalus caudatus
Squalus centrina
Squalus cepedii
Squalus cinereus
Squalus cirratus
Squalus cirrosus
Squalus colax
Squalus cuvier
Squalus dentatus
Squalus edwardsii
Squalus elegans
Squalus fasciatus
Squalus fernandinus
Squalus ferox
Squalus fulgens
Squalus granulosus
Squalus gronovianus
Squalus hinnulus
Squalus indicus
Squalus kirki
Squalus labiatus
Squalus littoralis
Squalus lixa
Squalus lobatus
Squalus longicaudus
Squalus longimanus
Squalus macrodus
Squalus malleus
Squalus maou
Squalus microcephalus
Squalus monensis
Squalus nasus
Squalus nicaeensis
Squalus niger
Squalus norvegianus
Squalus obscurus
Squalus obtusus
Squalus ocellatus
Squalus oculatus
Squalus plumbeus
Squalus porosus
Squalus pristis
Squalus probatovi
Squalus punctatus
Squalus punctulatus
Squalus russellianus
Squalus scymnus
Squalus selanonus
Squalus semisagittatus
Squalus sorrakowah
Squalus spallanzani
Squalus spathula
Squalus spinax
Squalus squamosus
Squalus stellaris
Squalus striatus
Squalus tasmaniensis
Squalus tentaculatus
Squalus terraenovae
Squalus tigrinus
Squalus tuberculatus
Squalus tyberinus
Squalus unicolor
Squalus barbatus
Squalus barbouri
Squalus brevipinna
Squalus brucus
Squalus commersonii
Squalus cornubiensis
Squalus pantherinus
Squalus pennanti
Squalus perlo
Squalus platyodon
Squalus ustus
Squalus vacca
Squalus varius
Squalus vittatus
Squalus vulgaris
Squalus vulpinus
Squalus wakiyae
Squalus whitleyi
Squalus isabella
Squalus maculatus
Squalus galeus
Squalus mustelus
Squalus squatina
Squalus portusjacksoni
Squalus glaucus
Squalus licha