Macrogrammites

Phylum:Mollusca

Class:Cephalopoda

Subclass:†Ammonoidea

Order:†Ammonitida

Macrogrammites Temporal range: 201.6–196.5 Ma[1] PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	†Ammonoidea
Order:	†Ammonitida
Family:	†Schlotheimiidae
Genus:	†Macrogrammites Buckman, 1928
Species[1]
Storthoceras australe Storthoceras garfieldense
Synonyms
Storthoceras

Macrogrammites is an extinct genus of cephalopod belonging to the ammonite subclass.