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Coeloceras

Cephalopoda - Ammonitida - Coeloceratidae

Taxonomy
Coeloceras was named by Hyatt (1867) [Sepkoski's age data: J Plie-l Sepkoski's reference number: 302]. It is not extant.

It was reranked as Stephanoceras (Coeloceras) by Rothpletz (1892).

It was assigned to Stephanoceras by Rothpletz (1892); to Coeloceratinae by Bremer (1965); to Ammonoidea by Sepkoski (2002); and to Coeloceratidae by Donovan and Surlyk (2003), Howarth (2013).

Synonymy list
YearName and author
1867Coeloceras Hyatt
1892Stephanoceras (Coeloceras) Rothpletz p. 102
1965Coeloceras Bremer
2002Coeloceras Sepkoski
2003Coeloceras Donovan and Surlyk
2013Coeloceras Howarth p. 45

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
RankNameAuthor
classCephalopodaCuvier 1797
subclassAmmonoidea()
orderAmmonitidaHaeckel 1866
suborderAmmonitinaHyatt 1889
superfamilyEoderoceratoidea(Spath 1929)
familyCoeloceratidaeHaug 1910
genusCoelocerasHyatt 1867

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. †Coeloceras Hyatt 1867
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†Coeloceras depressum Rosenberg 1909
†Coeloceras grenouillouxi d'Orbigny 1844
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Invalid names: Aegoceras pettos Quenstedt 1843 [synonym]
†Coeloceras oosteri Hug 1899
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Invalid names: Ammonites henleyi Ooster 1860 [replaced]
†Coeloceras seguenzae Gemmellaro 1884
†Coeloceras subpettos Gemmellaro 1884
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height76.024.008.506.501.79
shell diameter718.310.025.019.05.88
shell inflation77.383.0012.07.803.09

Composition: aragoniteo
Environment: marinec
Locomotion: fast-movingo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2005-01-28 02:27:03
Modified: 2009-10-08 14:14:55
Source: o = order, c = class
References: Kiessling 2004, Kiessling 2003

Age range: base of the Sinemurian to the top of the Early/Lower Toarcian or 199.50000 to 182.90000 Ma

Collections (20 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Jurassic - Middle Jurassic201.4 - 161.5Indonesia Stephanoceras commune (132795)
Late/Upper Sinemurian199.5 - 192.9Canada (British Columbia) C. sp. (53392)
Late/Upper Sinemurian199.5 - 192.9Chile (Huasco) C. sp. (223372)
Late/Upper Sinemurian - Early/Lower Pliensbachian199.5 - 184.2Türkiye C. pettos (218660)
Sinemurian - Early/Lower Toarcian199.5 - 182.9Chile (Copiapó) C. sp. (223622)
Early/Lower Pliensbachian192.9 - 184.2Denmark (Bornholm) C. grenouillouxi (219923)
Early/Lower Pliensbachian192.9 - 184.2France (Centre-Val de Loire) Ammonites grenouillouxi (234368) C. pettos (234369)
Early/Lower Pliensbachian192.9 - 184.2Canada (British Columbia) C. sp. (53628 198423)
Jamesoni192.9 - 184.2Türkiye C. pettos (147303)
Jamesoni192.9 - 184.2United Kingdom (Dorset) C. planula, C. pettos, C. grenouillouxi (159187)
Jamesoni192.9 - 184.2Tunisia C. depressum, C. seguenzae (170522)
Late/Upper Pliensbachian192.9 - 184.2Canada (British Columbia) C. sp. (53545)
Pliensbachian192.9 - 184.2Türkiye C. subpettos (218657)
Pliensbachian192.9 - 184.2Austria C. centaurus, C. sp., C. pettos (218330)
Early/Lower Toarcian184.2 - 182.9Japan (Yamaguchi) C. sp. (38206)
Toarcian184.2 - 174.7Svalbard and Jan Mayen C. polare (213099 213100 213101)