Eric Walker added Grimpoteuthis - Wikipedia and Thirty-six Thousand Feet Under the Sea | The New Yorker to Grimpoteuthis, and added Grimpoteuthis to Opisthoteuthidae

Eric Walker added Grimpoteuthis to Opisthoteuthidae, and added Opisthoteuthidae to Octopoda

Eric Walker added Opisthoteuthidae and Octopodidae to Octopoda, and added Octopoda to Cephalopoda