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Harpoceras serpentinum

Cephalopoda - Ammonitida - Hildoceratidae

Taxonomy
Ammonites serpentinus was named by Schlotheim (1813).

It was recombined as Harpoceras (Harpoceras) serpentinum by Bécaud (2006) and Kovács (2011); it was recombined as Harpoceras serpentinum by Howarth (1992) and Benzaggagh et al. (2022).

Sister species lacking formal opinion data
H. falcifer, H. lympharum, H. maghrebensis, H. mulgravium, H. serotinum, H. subplanulatum

Synonyms
Synonymy list
YearName and author
1813Ammonites serpentinus Schlotheim p. 35
1843Ammonites alternatus Simpson p. 43
1844Ammonites serpentinus d'Orbigny p. 215
1992Harpoceras serpentinum Howarth p. 109 figs. Pl 15, figs 3-5; pl 16, figs 1-5; pl 17, figs 1-7; pl 18, figs 1,2; pl 19, fig 1; text-figs 18E,23-2
2006Harpoceras (Harpoceras) serpentinum Bécaud p. 58 figs. pl 10, fig 1; pl 18, fig 3
2006Harpoceras (Harpoceras) serpentinum alternatus Bécaud p. 59 figs. Pl 11,fig 1
2011Harpoceras (Harpoceras) serpentinum Kovács p. 24 figs. Pl 6, fig 5; pl 9, figs 1,2,8
2022Harpoceras serpentinum Benzaggagh et al. p. 13 fig. 10E

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyHildoceratoidea(Hyatt 1867)
familyHildoceratidaeHyatt 1867
subfamilyHarpoceratinaeNeumayr 1875
genusHarpoceras
speciesserpentinum(Schlotheim 1813)

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.

†Harpoceras serpentinum Schlotheim 1813
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Invalid names: Ammonites alternatus Simpson 1843 [synonym]
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
height443.534.066.040.214.6
diameter4105.982.0180.092.245.8
inflation430.721.460.026.517.9
shell height355.637.571.864.018.0
shell diameter3153.198.0200.0183.054.6
shell inflation357.135.074.871.222.0

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 Falciferum to the top of the Early/Lower Kimmeridgian or 183.00000 to 150.80000 Ma

Collections (27 total)


Time interval Ma Country or state Original ID and collection number
Early/Lower Toarcian183.0 - 182.0Spain Harpoceras serpentinum (169652)
Early/Lower Toarcian183.0 - 182.0Spain (Cantabria) Harpoceras serpentinum (169508 169509 169511 222264 222266 222270 222271 222272)
Falciferum183.0 - 182.0Bulgaria Harpoceras serpentinum (150908)
Falciferum183.0 - 182.0Hungary Harpoceras serpentinum (148240 148241 148249 148250 148266)
Falciferum183.0 - 182.0Germany Harpoceras serpentinum (228509)
Falciferum183.0 - 182.0Morocco Harpoceras serpentinum (228338)
Falciferum183.0 - 182.0Italy Harpoceras serpentinum (145301)
Falciferum183.0 - 182.0France (Deux-Sevrès) Harpoceras serpentinum (140859 140860 147149)
Falciferum183.0 - 182.0France (Vendée) Harpoceras serpentinum (140767 140769 147200 147206)
Kanense183.0 - 182.0Canada (Alberta) Harpoceras serpentinum (198523)
Early/Lower Kimmeridgian155.7 - 150.8France (Haute-Normandie) Ammonites serpentinus (48856)