Yes, Marble Queen is toxic to dogs!
Dogs accidentally consuming the Marble Queen plants can show the following clinical symptoms: Vomiting, Prolonged Depression, Incoordination, Hypersalivaton, Sleepiness Or Excitation, Dilated Pupils, Low Body Temperature, Low Blood Pressure, Coma, Seizure And Death (In Rare Cases).
Marble Queen consumption is also toxic to Cats.
Toxic Principles Of Marble Queen: Calcium oxalate crystals.
More Info About The Marble Queen Plant
Scientific Name: Scindapsus aureus
Family: Araceae.
Also known as: Golden Pothos.
The answer is based on information found on The American Society for the Prevention of Cruelty to Animals (ASPCA) website.