Mixosiphonata

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
Genera
	† Boggyoceras ; † Ctenobactrites ?; † Zhuravlevia ;

Last updated October 03, 2025

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]

References

1 2 Mutvei, H. (2017). "The new order Mixosiphonata (Cephalopoda: Nautiloidea) and related taxa; estimations of habitat depth based on shell structure". GFF. 139 (3): 219–232. Bibcode:2017GFF...139..219M. doi:10.1080/11035897.2017.1330278.
↑ Doguzhaeva, L.A. (1994). "An Early Cretaceous orthocerid cephalopod from north-western Caucasus". Palaeontology. 37 (4): 889–899.

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[Mutvei_2017-1] 1 2 Mutvei, H. (2017). "The new order Mixosiphonata (Cephalopoda: Nautiloidea) and related taxa; estimations of habitat depth based on shell structure". GFF. 139 (3): 219–232. Bibcode:2017GFF...139..219M. doi:10.1080/11035897.2017.1330278.

[Doguzhaeva_1994-2] Doguzhaeva, L.A. (1994). "An Early Cretaceous orthocerid cephalopod from north-western Caucasus". Palaeontology. 37 (4): 889–899.

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