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Pseudocrassiceras bayani

Cephalopoda - Ammonitida - Hildoceratidae

Ammonites bayani was named by Dumortier (1874). It is not extant.

It was recombined as Pseudomercaticeras bayani by Guex (1972); it was recombined as Gruneria bayani by Gabilly (1976); it was recombined as Pseudocrassiceras bayani by Benzaggagh et al. (2022).

Synonymy list
YearName and author
1874Ammonites bayani Dumortier p. 69 figs. Pl 16, figs 7-9
1972Pseudomercaticeras bayani Guex figs. Pl 4, fig 4
1976Gruneria bayani Gabilly p. 176
2022Pseudocrassiceras bayani Benzaggagh et al. p. 19 fig. 14A

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EubilateriaAx 1987
classCephalopodaCuvier 1797
subclassAmmonoidea(Zittel 1884)
orderAmmonitidaHyatt 1889
suborderAmmonitinaHyatt 1889
superfamilyHildoceratoidea(Hyatt 1867)
familyHildoceratidaeHyatt 1867
subfamilyMercaticeratinaeGuex 1973
genusPseudocrassicerasRulleau and Jattiot 2019
speciesbayani(Dumortier 1874)

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.

Pseudocrassiceras bayani Dumortier 1874
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No diagnoses are available
shell height222.411.643.427.522.5
shell diameter252.828.099.563.850.6
shell inflation215.68.5028.518.514.1

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: Levesquei or 182.00000 to 175.60000 Ma

Collections (7 total)

Time interval Ma Country or state Original ID and collection number
Levesquei182.0 - 175.6France (Deux-Sèvres) Gruneria bayani (149054)
Variabilis182.0 - 175.6Spain Pseudomercaticeras bayani (126492 126494 126495 126501)
Variabilis182.0 - 175.6France Pseudomercaticeras bayani (170461)
Variabilis182.0 - 175.6Morocco Pseudocrassiceras bayani (228355)