Mixosiphonata

Mixosiphonata is an extinct order of nautiloids that lived from the Carboniferous to the Early Cretaceous. It currently includes the genera Boggyoceras, Zhuravlevia, and possibly Ctenobactrites.^[1] They were the latest surviving orthoconic nautiloids, which had otherwise gone extinct in the Late Triassic.^[2]

Mixosiphonata Temporal range: Early Carboniferous - Early Cretaceous (Viséan - Aptian), 346.7–113.0 Ma PreꞒ Ꞓ O S D C P T J K Pg N
Scientific classification
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Nautiloidea
Order:	†Mixosiphonata Mutvei, 2017[1]
Genera
†Boggyoceras †Ctenobactrites? †Zhuravlevia