Marathonitinae is one of four subfamilies in the family Marathonitidae. They are an extinct group of ammonoid, which are shelled cephalopods related to squids, belemnites, octopuses, and cuttlefish, and more distantly to the nautiloids.
| Marathonitinae | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Mollusca |
| Class: | Cephalopoda |
| Subclass: | †Ammonoidea |
| Order: | †Goniatitida |
| Family: | †Marathonitidae |
| Subfamily: | †Marathonitinae Ruzhencev, 1938 |
| Genera | |
References
edit- The Paleobiology Database accessed on 10/01/07
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