PBDB Taxon

Basic info	Taxonomic history	Classification	Included Taxa
Morphology	Ecology and taphonomy	External Literature Search	Age range and collections

Spiticeras tripartitum

Cephalopoda - Ammonitida - Olcostephanidae

Taxonomy

Ammonites tripartitus was named by Hupé (1854).

It was recombined as Spiticeras tripartitum by Dochev et al. (2017).

Subspecies

S. lovaldensis

Sister species lacking formal opinion data

S. acutum, S. bulliformis, S. celsum, S. ducale, S. eximus, S. gevreyi, S. gratianopolitense, S. groteanum, S. guttatus, S. hauthali, S. indicus, S. kilianii, S. mutabile, S. negreli, S. obliquennodosum, S. proteus, S. rotula, S. subnegreli, S. subspitiensis, S. theodosia, S. chomeracense, S. fraternum, S. gratianopolitense, S. cautleyi, S. spitense

Synonymy list

Year	Name and author
1854	Ammonites tripartitus Hupé
2017	Spiticeras tripartitum Dochev et al. p. 1560 figs. 4a-c

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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	Olcostephanina	Haug 1910
superfamily	Olcostephanoidea	(Haug 1910)
family	Olcostephanidae	Haug 1910
subfamily	Spiticeratinae	Spath 1924
genus	Spiticeras
species	tripartitum	(Hupé 1854)

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.

†Spiticeras tripartitum Hupé 1854

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†Spiticeras tripartitum lovaldensis Biro-Bagoczky 1980

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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 2004, Kiessling 2003

Age range: base of the Late/Upper Tithonian to the top of the Early/Lower Valanginian or 145.06000 to 132.60000 Ma

Collections (4 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Tithonian - Early/Lower Berriasian	145.06 - 141.0	Chile	Spiticeras tripartitum (151672)
Late/Upper Berriasian	139.1 - 137.05	Antarctica	Spiticeras tripartitum (190850)
Early/Lower Valanginian	137.05 - 132.6	Chile	Spiticeras tripartitum (151673 151675)