Sinotitinae
| Sinotitinae Temporal range: Upper Devonian  | |
|---|---|
| Scientific classification | |
| Domain: | Eukaryota | 
| Kingdom: | Animalia | 
| Phylum: | Mollusca | 
| Class: | Cephalopoda | 
| Subclass: | †Ammonoidea | 
| Order: | †Goniatitida | 
| Family: | †Dimeroceratidae | 
| Subfamily: | †Sinotitinae Chang, 1960  | 
| Genera | |
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Sinotitinae is one of three subfamilies of the Dimeroceratidae; a member of the Goniatitida, an extinctorder of ammonoid cephalopods from the Paleozoic.
The two comprised genera, Sinutites and Sunites have broad, crescent shaped whorl sections, but one, Sinutites has a dorsal siphuncle while in the other, Sunites the siphuncle is ventral.