PBDB Taxon

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

Neokentroceras

Cephalopoda - Ammonitida - Brancoceratidae

Taxonomy

Neokentroceras was named by Spath (1921) [Sepkoski's age data: K Albi-u]. Its type is Neokentroceras curvicornu.

It was assigned to Dipoloceratidae by Haas (1942); to Brancoceratinae by Howarth (1965) and Wright et al. (1996); and to Ammonoidea by Sepkoski (2002).

Species

N. costatum, N. crassicostatum, N. curvicornu (syn. N. speciosum) (type species), N. gracillimum, N. magnum, N. pseudogracillimum, N. pseudovaricosum, N. singulare, N. subtuberculatum (syn. N. choffati), N. trituberculatum

Synonymy list

Year	Name and author
1921	Neokentroceras Spath p. 306
1942	Neokentroceras Haas p. 46
1965	Neokentroceras Howarth p. 346
1996	Neokentroceras Wright et al. p. 137
2002	Neokentoceras Sepkoski

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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
suborder	Ammonitina	Hyatt 1889
superfamily	Acanthoceratoidea	(de Grossouvre 1894)
family	Brancoceratidae
subfamily	Brancoceratinae	Spath 1934
genus	Neokentroceras

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.

G. †Neokentroceras Spath 1921

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†Neokentroceras costatum Haas 1942

†Neokentroceras costatum tenuis Haas 1942

†Neokentroceras crassicostatum Howarth 1965

†Neokentroceras curvicornu Spath 1922

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†Neokentroceras speciosum rudis Haas 1942

Invalid names: Neokentroceras speciosum Haas 1942 [synonym]

†Neokentroceras curvicornu crassicornutum Reyment 1955

†Neokentroceras gracillimum Kossmat 1895

†Neokentroceras magnum Haas 1942

†Neokentroceras pseudogracillimum Spath 1922

†Neokentroceras pseudovaricosum Spath 1922

†Neokentroceras pseudovaricosum gracilis Haas 1942

†Neokentroceras singulare Haas 1942

†Neokentroceras subtuberculatum Spath 1922

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†Neokentroceras choffati crassinodosa Haas 1942

Invalid names: Neokentroceras choffati Spath 1922 [synonym]

†Neokentroceras trituberculatum Howarth 1965

Diagnosis

No diagnoses are available

Measurements

part	N	mean	minimum	maximum	median	s.d.
shell height	6	8.36	6.20	10.7	9.00	1.81
shell diameter	6	25.0	18.2	32.0	27.0	5.80
shell inflation	6	10.7	7.00	16.0	11.8	3.36

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: Late/Upper Albian or 105.30000 to 99.60000 Ma

Collections (15 total)

Time interval	Ma	Country or state	Original ID and collection number
Late/Upper Albian	105.3 - 99.6	Nigeria	N. curvicornu (82766 210681) N. sp. (210166)
Late/Upper Albian	105.3 - 99.6	Madagascar (Antsiranana)	N. costatum (98215)
Late/Upper Albian	105.3 - 99.6	Angola	N. pseudovaricosum (210732) N. pseudovaricosum, N. curvicornu, N. crassicostatum (88878) N. pseudovaricosum, N. curvicornu, N. singulare, N. crassicostatum (88879) N. sp., N. choffati, N. costatum, N. magnum, N. subtuberculatum, N. speciosum, N. pseudovaricosum, N. curvicornu, N. singulare (83840) N. sp., N. pseudovaricosum, N. curvicornu (210847) N. subtuberculatum (88880 210739) N. subtuberculatum, N. pseudovaricosum (210730) N. trituberculatum (88881) Schloenbachia gracillima (210888) Schloenbachia lenzi (210851)