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Geyeroceras cylindricum

Cephalopoda - Phylloceratida - Phylloceratidae

Taxonomy
Ammonites cylindricum was named by Sowerby (1833).

It was recombined as Phylloceras cylindricum by Meister and Friebe (2003), Geczy and Meister (2007); it was recombined as Geyeroceras cylindricum by Popa and Patrulius (1996), Tomas and Pálfy (2007).

Synonyms
Synonymy list
YearName and author
1833Ammonites cylindricum Sowerby
1878Phylloceras bielzii Herbich
1908Phylloceras szadeczkyi Vadász
1996Geyeroceras cylindricum Popa and Patrulius
2003Phylloceras cylindricum Meister and Friebe
2007Phylloceras cylindricum Geczy and Meister
2007Geyeroceras cylindricum Tomas and Pálfy

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderPhylloceratida(Zittel 1884)
superfamilyPhylloceratoidea(Zittel 1884)
familyPhylloceratidaeZittel 1884
subfamilyPhylloceratinaeZittel 1884
genusGeyerocerasSuess 1865
speciescylindricum(Sowerby 1833)

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.

†Geyeroceras cylindricum Sowerby 1833
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Invalid names: Phylloceras bielzii Herbich 1878 [synonym], Phylloceras szadeczkyi Vadász 1908 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell diameter333.028.643.928.78.77

Composition: aragoniteo
Environment: marinec
Locomotion: actively mobileo
Life habit: nektonico
Diet: carnivoreo
Vision: well-developedc
Created: 2009-09-27 10:11:29
Modified: 2009-09-27 12:11:29
Source: o = order, c = class
References: Hendy et al. 2009, Kiessling 2003, Kiessling 2004

Age range: base of the Semicostatum to the top of the Davoei or 199.50000 to 184.20000 Ma

Collections (27 total)


Time interval Ma Country or state Original ID and collection number
Rhaetian - Early/Lower Sinemurian205.7 - 192.9Austria Geyeroceras cylindricum (195481 195482)
Hettangian - Early/Lower Sinemurian201.4 - 192.9Austria Geyeroceras cylindricum (195483)
Hettangian - Sinemurian201.4 - 192.9Austria Geyeroceras cylindricum (38057 38058)
Hettangian - Sinemurian201.4 - 192.9Romania Geyeroceras cylindricum (219456)
Early/Lower Sinemurian199.5 - 192.9Austria Phylloceras cylindricum (218904)
Early/Lower Sinemurian199.5 - 192.9Slovakia Geyeroceras cylindricum (195484)
Early/Lower Sinemurian199.5 - 192.9Hungary (Veszprém Megye) Phylloceras cylindricum (78205)
Late/Upper Sinemurian199.5 - 192.9Mexico (Hidalgo) Phylloceras cylindricum (208374)
Late/Upper Sinemurian199.5 - 192.9Austria Phylloceras cylindricum (196516 196517)
Obtusum199.5 - 192.9Hungary Phylloceras cylindricum (78797)
Obtusum199.5 - 192.9Hungary (Veszprém Megye) Phylloceras cylindricum (78282)
Obtusum - Raricostatum199.5 - 192.9Hungary Phylloceras cylindricum (78796)
Obtusum - Raricostatum199.5 - 192.9Hungary (Veszprém Megye) Phylloceras cylindricum (78284 78285 78410)
Oxynotum - Raricostatum199.5 - 192.9Hungary Phylloceras cylindricum (78793 78794)
Oxynotum - Raricostatum199.5 - 192.9Hungary (Veszprém Megye) Phylloceras cylindricum (78407 78408 81576)
Semicostatum - Oxynotum199.5 - 192.9Hungary (Veszprém Megye) Phylloceras cylindricum (81577)
Sinemurian199.5 - 192.9Austria Phylloceras cylindricum (196515)
Raricostatum - Davoei199.5 - 184.2Hungary Phylloceras cylindricum (78690)
Jamesoni - Ibex192.9 - 184.2Hungary (Veszprém Megye) Phylloceras cylindricum (78406)