Children (22 direct children, 22 direct and indirect children):
Grimpoteuthis megaptera
Grimpoteuthis meangensis
Grimpoteuthis abyssicola
Grimpoteuthis tuftsi
Grimpoteuthis hippocrepium
Grimpoteuthis bathynectes
Grimpoteuthis albatrossi
Grimpoteuthis bruuni
Grimpoteuthis plena
Grimpoteuthis umbellata
Grimpoteuthis mawsoni
Grimpoteuthis pacifica
Grimpoteuthis wulkeri
Grimpoteuthis glacialis
Grimpoteuthis antarctica
Grimpoteuthis boylei
Grimpoteuthis caudani
Grimpoteuthis challengeri
Grimpoteuthis discoveryi
Grimpoteuthis innominata
Grimpoteuthis wuelkeri
Grimpoteuthis imperator
Emperor dumbo octopus