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Cyrtogomphoceras

Cephalopoda - Discosorida - Cyrtogomphoceratidae

Taxonomy
Cyrtogomphoceras was named by Foerste (1924). Its type is Cyrtogomphoceras magnum.

It was assigned to Cyrtogomphoceratidae by Teichert et al. (1964) and Crick (1981); and to Discosorida by Sepkoski (2002).

Species
C. magnum (type species), C. troedssoni
Species lacking formal opinion data
C. alcocki

Synonymy list
YearName and author
1924Cyrtogomphoceras Foerste
1964Cyrtogomphoceras Teichert et al. p. 328
1981Cyrtogomphoceras Crick p. 229
2002Cyrtogomphoceras Sepkoski

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
subclassMulticeratoidea()
orderDiscosoridaFlower 1950
familyCyrtogomphoceratidaeFlower 1940
genusCyrtogomphocerasFoerste 1924

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.

G. †Cyrtogomphoceras Foerste 1924
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†Cyrtogomphoceras magnum Whiteaves 1890
†Cyrtogomphoceras troedssoni Teichert 1930
Diagnosis
No diagnoses are available
Measurements
No measurements are available
Composition: aragoniteo
Environment: marineo
Locomotion: actively mobileo
Life habit: nektobenthico
Diet: carnivorec
Vision: well-developedc
Created: 2005-10-06 14:33:38
Modified: 2007-09-07 06:48:07
Source: o = order, c = class
References: Aberhan et al. 2004, Kiessling 2004

Age range: base of the Edenian to the top of the Cautleyan or 451.00000 to 448.80000 Ma

Collections (23 total)


Time interval Ma Country or state Original ID and collection number
Middle Ordovician - Late/Upper Ordovician470.0 - 443.8Canada (Mantiboa) C. sp. (24163)
Middle Ordovician - Late/Upper Ordovician470.0 - 443.8Canada (Saskatchewan) C. sp. (24164)
Middle Ordovician - Late/Upper Ordovician470.0 - 443.8Canada (Manitoba) C. sp. (24165)
Middle Ordovician - Late/Upper Ordovician470.0 - 443.8Canada (Nunavut) C. sp. (24125 24222)
Late/Upper Ordovician458.4 - 443.8Estonia C. sp. (24175)
Late/Upper Ordovician458.4 - 443.8USA (Wyoming) C. sp. (24167)
Late/Upper Ordovician458.4 - 443.8USA (South Dakota) C. sp. (24168)
Wildernessian457.3 - 449.6Canada (Northwest Territories) C. alcocki (26947) C. sp. (26948)
Chatfieldian - Edenian453.8 - 450.2Canada (Nunavut) C. baffinense, C. furnishi, C. spp. (24116)
Edenian451.0 - 450.2Canada (Nunavut) C. baffinense (24225)
Edenian451.0 - 450.2Canada (Northwest Territories) C. intermedium, C. whiteavesi (26340)
Edenian - Maysvillian451.0 - 449.6Canada (Northwest Territories) C. whiteavesi (26341) C. whiteavesi, C. magnum (26342)
Edenian - Richmondian451.0 - 445.5Canada (Manitoba) C. turgidum, C. nutatum, C. baffinense, C. thompsoni, C. alcocki (13654) C. turgidum, C. nutatum, C. thompsoni, C. alcocki (13655) C. turgidum, C. rotundum, C. foerstei (13656)
Maysvillian - Richmondian450.2 - 445.5USA (Colorado) C. sp. (24166)
Vormsi - Pirgu449.9 - 445.2Estonia (Lääne) C. troedssoni (167755)
Richmondian449.6 - 445.5Canada (Nunavut) C. baffinense, C. furnishi, C. milleri, C. sp. (24124)
Richmondian449.6 - 445.5Canada (Northwest Territories) C. baffinense (188769)
Cautleyan449.2 - 448.8Greenland (Washington Land) C. sp. (24162)