1. The present occasion
   - nonce

Type of: nowadays, present

• family Glossinidae
• family Gnetaceae
• family Gobiesocidae
• family Gobiidae
• family Gomphotheriidae
• family Gonorhynchidae
• family Goodeniaceae
• family Gracilariidae
• family Graminaceae
• family Gramineae
• family Grossulariaceae
• family Gruidae
• family Gryllidae
• family Guttiferae
• family Gyrinidae
• family Hadrosauridae
• family Haematopodidae
• family Haemodoraceae
• family Haemoproteidae
• family Haemulidae
• family Halictidae
• family Haliotidae
• family Haloragaceae
• family Haloragidaceae
• family Hamamelidaceae