PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Annoceras costatum

Cephalopoda - Ellesmerocerida - Ellesmeroceratidae

Taxonomy

Annoceras costatum was named by Flower (1964). It is the type species of Annoceras.

Synonyms

Annoceras elevatum was named by Flower (1964).

It was synonymized subjectively with Annoceras costatum by Kröger and Landing (2007).
Annoceras perobliquum was named by Foerste (1964).

It was synonymized subjectively with Annoceras costatum by Kröger and Landing (2007).
Ellesmeroceras angulatum was named by Flower (1964).

It was synonymized subjectively with Annoceras costatum by Kröger and Landing (2007).
Ellesmeroceras fusiforme was named by Flower (1964).

It was synonymized subjectively with Annoceras costatum by Kröger and Landing (2007).
Ellesmeroceras imbricatum was named by Flower (1964).

It was synonymized subjectively with Annoceras costatum by Kröger and Landing (2007).
Ellesmeroceras progressum was named by Flower (1964).

It was synonymized subjectively with Annoceras costatum by Kröger and Landing (2007).
Eremoceras magnum was named by Flower (1964).

It was synonymized subjectively with Annoceras costatum by Kröger and Landing (2007).
Eremoceras perseptatum was named by Flower (1964).

It was synonymized subjectively with Annoceras costatum by Kröger and Landing (2007).

Synonymy list

Year	Name and author
1964	Annoceras costatum Flower
1964	Annoceras elevatum Flower
1964	Ellesmeroceras angulatum Flower
1964	Ellesmeroceras fusiforme Flower
1964	Ellesmeroceras imbricatum Flower
1964	Ellesmeroceras progressum Flower
1964	Eremoceras magnum Flower
1964	Eremoceras perseptatum Flower
1964	Annoceras perobliquum Foerste

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa

Rank	Name	Author
phylum	Mollusca
class	Cephalopoda	Cuvier 1797
order	Ellesmerocerida	()
family	Ellesmeroceratidae	Kobayashi 1934
genus	Annoceras	Flower 1964
species	costatum	Flower 1964

If no rank is listed, the taxon is considered an unranked clade in modern classifications. Ranks may be repeated or presented in the wrong order because authors working on different parts of the classification may disagree about how to rank taxa.

†Annoceras costatum Flower 1964

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Invalid names: Annoceras elevatum Flower 1964 [synonym], Annoceras perobliquum Foerste 1964 [synonym], Ellesmeroceras angulatum Flower 1964 [synonym], Ellesmeroceras fusiforme Flower 1964 [synonym], Ellesmeroceras imbricatum Flower 1964 [synonym], Ellesmeroceras progressum Flower 1964 [synonym], Eremoceras magnum Flower 1964 [synonym], Eremoceras perseptatum Flower 1964 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

Composition:

aragoniteo

Grouping:

solitaryo

Environment:

marineo

Locomotion:

actively mobileo

Life habit:

nektobenthico

Diet:

carnivorec

Vision:

well-developedc

Created:

2005-10-06 14:32:52

Modified:

2007-09-07 11:44:36

Source: o = order, c = class

References: Kiessling 2004, Aberhan et al. 2004

Age range: Demingian or 486.85000 to 483.40000 Ma

Collections (8 total)

Time interval	Ma	Country or state	Original ID and collection number
Skullrockian	488.9 - 483.4	USA (New York)	Annoceras costatum (87318 87451 87456 87523 87524 89489)
Demingian	486.85 - 483.4	USA (New York)	Annoceras costatum, Annoceras elevatum, Ellesmeroceras angulatum, Ellesmeroceras fusiforme, Ellesmeroceras imbricatum, Ellesmeroceras progressum, Eremoceras magnum, Eremoceras perseptatum (427)
Gasconadian	486.85 - 477.1	USA (New York)	Annoceras costatum, Annoceras elevatum, Annoceras perobliquum, Ellesmeroceras fusiforme, Ellesmeroceras progressum, Eremoceras magnum, Eremoceras perseptatum (56487)