PBDB Taxon

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Tornquistes helvetiae

Cephalopoda - Ammonitida - Pachyceratidae

Taxonomy

Macrocephalites helvetiae was named by Tornquist (1894). It is the type species of Tornquisites.

It was recombined as Tornquistes helvetiae by Bert (2009).

Synonyms

Aspidoceras nicolisi was named by Parona (1885).

It was synonymized subjectively with Tornquistes helvetiae by Bert (2009).
Macrocephalites oxfordiense was named by Tornquist (1894).

It was synonymized subjectively with Tornquistes helvetiae by Bert (2009).
Macrocephalites kobyi was named by de Loriol (1896).

It was synonymized subjectively with Tornquistes helvetiae by Bert (2009).
Macrocephalites liesbergensis was named by de Loriol (1896).

It was synonymized subjectively with Tornquistes helvetiae by Bert (2009).
Macrocephalites tornquisti was named by de Loriol (1896).

It was synonymized subjectively with Tornquistes helvetiae by Bert (2009).
Pachyceras lalandei romani was named by Douvillé (1912).

It was synonymized subjectively with Tornquistes helvetiae by Bert (2009).

Synonymy list

Year	Name and author
1885	Aspidoceras nicolisi Parona
1894	Macrocephalites helvetiae Tornquist
1894	Macrocephalites oxfordiense Tornquist
1896	Macrocephalites kobyi de Loriol
1896	Macrocephalites liesbergensis de Loriol
1896	Macrocephalites tornquisti de Loriol
1912	Pachyceras lalandei romani Douvillé
2009	Tornquistes helvetiae Bert p. 474 figs. Pl 1, figs 1,2; pl 2, figs 1-4; text-fig 5

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Rank	Name	Author
kingdom	Animalia	()
—	Bilateria
—	Eubilateria	Ax 1987
—	Protostomia
—	Spiralia
superphylum	Lophotrochozoa
phylum	Mollusca
class	Cephalopoda	Cuvier 1797

Rank	Name	Author
subclass	Ammonoidea	()
order	Ammonitida	Haeckel 1866
suborder	Ammonitina	Hyatt 1889
superfamily	Perisphinctoidea	(Steinman 1890)
family	Pachyceratidae	Buckman 1918
genus	Tornquistes
species	helvetiae	(Tornquist 1894)

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.

†Tornquistes helvetiae Tornquist 1894

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Invalid names: Aspidoceras nicolisi Parona 1885 [synonym], Macrocephalites kobyi de Loriol 1896 [synonym], Macrocephalites liesbergensis de Loriol 1896 [synonym], Macrocephalites oxfordiense Tornquist 1894 [synonym], Macrocephalites tornquisti de Loriol 1896 [synonym], Tornquistes romani Douvillé 1912 [synonym]

Diagnosis

No diagnoses are available

Measurements

No measurements are available

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: Middle Oxfordian or 161.50000 to 154.80000 Ma

Collections (4 total)

Time interval	Ma	Country or state	Original ID and collection number
Early/Lower Oxfordian	161.5 - 154.8	France	Pachyceras romani (12286 12287)
Middle Oxfordian	161.5 - 154.8	France	Tornquistes helvetiae (163890 163893)