Ellesmerocerida

Ellesmerocerida; Temporal range:
	Life positions of Ellesmerocerida
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Nautiloidea
Superorder:	†Plectronoceratoidea
Order:	†Ellesmerocerida; Flower, 1950
Subgroups
	See text.

The Ellesmerocerida is an order of primitive cephalopods belonging to the subclass Nautiloidea with a widespread distribution that lived during the Late Cambrian and Ordovician.^[4]

^ Cite error: The named reference Kroger2009 was invoked but never defined (see the help page).
^ Cite error: The named reference Kroger2007 was invoked but never defined (see the help page).
^ Flower, R.H. (1955). "Saltations in nautiloid coiling". Evolution. 9 (3): 244–260. doi:10.2307/2405647. JSTOR 2405647.
^ The Paleobiology Database Ellesmerocerida entry

[Kroger2009-1] Cite error: The named reference Kroger2009 was invoked but never defined (see the help page).

[Kroger2007-2] Cite error: The named reference Kroger2007 was invoked but never defined (see the help page).

[Flower1955-3] Flower, R.H. (1955). "Saltations in nautiloid coiling". Evolution. 9 (3): 244–260. doi:10.2307/2405647. JSTOR 2405647.

[4] The Paleobiology Database Ellesmerocerida entry

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[2]

[3]

[4]

Ellesmerocerida Temporal range:

Life positions of Ellesmerocerida ^[3]
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Mollusca
Class:	Cephalopoda
Subclass:	Nautiloidea
Superorder:	†Plectronoceratoidea
Order:	†Ellesmerocerida Flower, 1950
Subgroups
See text.