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Porpoceras vortex

Cephalopoda - Ammonitida - Dactylioceratidae

Taxonomy
Ammonites vortex was named by Simpson (1855). It is not extant.

It was recombined as Porpoceras vortex by Guex (1972), Géczy and Szente (2006), Benzaggagh et al. (2022).

Sister species lacking formal opinion data
P. desplacei, P. desplaei, P. eucosmum, P. gigas

Synonyms
Synonymy list
YearName and author
1855Ammonites vortex Simpson
1914Porpoceras verticosum Buckman
1972Porpoceras vortex Guex figs. Pl 8, fig 16; pl 9, fig 1
2006Porpoceras vortex Géczy and Szente figs. Pl 8, fig 4
2022Porpoceras vortex Benzaggagh et al. p. 9 fig. 8M,N

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitidaHaeckel 1866
suborderAmmonitinaHyatt 1889
superfamilyEoderoceratoidea(Spath 1929)
familyDactylioceratidaeHyatt 1867
subfamilyDactylioceratinaeHyatt 1867
genusPorpoceras
speciesvortex(Simpson 1855)

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.

†Porpoceras vortex Simpson 1855
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Invalid names: Porpoceras verticosum Buckman 1914 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmean
diameter190.0

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 Early/Lower Toarcian to the top of the Middle Toarcian or 184.20000 to 180.40000 Ma

Collections (19 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Toarcian184.2 - 182.9Spain (Granda) Porpoceras vortex (201104)
Middle Toarcian182.9 - 180.4Spain (Granda) Porpoceras vortex (201112)
Bifrons182.9 - 174.7United Kingdom (Yorkshire) Porpoceras verticosum, Porpoceras vortex (147917)
Bifrons182.9 - 174.7Morocco Porpoceras vortex (228349 228352)
Bifrons182.9 - 174.7France (Deux-Sevrès) Porpoceras verticosum, Porpoceras vortex (140869 147160)
Bifrons182.9 - 174.7Spain Porpoceras vortex (146934 146938 169669)
Bifrons182.9 - 174.7France Porpoceras verticosum, Porpoceras vortex (170474)
Bifrons182.9 - 174.7Bulgaria Porpoceras vortex (150903)
Variabilis182.9 - 174.7Hungary Porpoceras verticosum (108065 108469) Porpoceras vortex (108043 108044 108064 108097 108098)