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Semiformiceras semiforme

Cephalopoda - Ammonitida - Oppeliidae

Taxonomy
Ammonites semiformis was named by Oppel (1865).

It was recombined as Semiformiceras semiforme by Zeiss et al. (1994), Grigore (2018).

Synonymy list
YearName and author
1865Ammonites semiformis Oppel
1994Semiformiceras semiforme Zeiss et al. p. 370 figs. Pl 1, fig 3
2018Semiformiceras semiforme Grigore p. 18 figs. Pl 1, fig 5

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitidaHaeckel 1866
suborderHaploceratina
superfamilyHaploceratoidea(Zittel 1884)
familyOppeliidaeBonarelli 1894
subfamilyStreblitinaeSpath 1925
genusSemiformiceras
speciessemiforme(Oppel 1865)

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.

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Diagnosis
No diagnoses are available
Measurements
partNmean
shell height133.6
shell diameter168.0
shell inflation16.00

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 2003, Kiessling 2004

Age range: Early/Lower Tithonian or 149.20000 to 145.06000 Ma

Collections (13 total)


Time interval Ma Country or state Original ID and collection number
Oxfordian - Berriasian161.5 - 137.05Spain Semiformiceras semiforme (73297)
Early/Lower Tithonian149.2 - 145.06Italy (Ancona) Semiformiceras semiforme (46386 46527)
Early/Lower Tithonian149.2 - 145.06Hungary Semiformiceras semiforme (23872)
Early/Lower Tithonian149.2 - 145.06Romania Semiformiceras semiforme (198321 198322)
Early/Lower Tithonian149.2 - 145.06Spain Semiformiceras rotundus (235571) Semiformiceras tuberosum (235570)
Early/Lower Tithonian149.2 - 145.06Italy Semiformiceras semiforme (184797 184800 184804 184806)
Tithonian149.2 - 143.1Spain Semiformiceras semiforme (235585)