Marathonitidae

Marathonitidae
Marathonitidae
Scientific classification
Kingdom: Animalia
Phylum: Mollusca
Class: Cephalopoda
Subclass: Ammonoidea
Order: Goniatitida
Suborder: Goniatitina
Superfamily: Marathonitaceae
Family: Marathonitidae
Ruzhencev 1938
Subfamilies

Marathonitidae is the only family in the Marathonitaceae superfamilies. They are an extinct group of ammonoid, which are shelled cephalopods related to squids, belemnites, octopuses, and cuttlefish, and more distantly to the nautiloids.

References