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Nejdia

Cephalopoda - Ammonitida - Hildoceratidae

Taxonomy
Nejdia was named by Arkell (1952) [Sepkoski's age data: J Toar-u Sepkoski's reference number: 302]. Its type is Nejdia bramkampi.

It was assigned to Phymatoceratinae by Arkell (1952); to Ammonoidea by Sepkoski (2002); and to Bouleiceratinae by Howarth (2013).

Synonymy list
YearName and author
1952Nejdia Arkell p. 266
2002Nejdia Sepkoski
2013Nejdia Howarth p. 81

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitidaHaeckel 1866
suborderAmmonitinaHyatt 1889
superfamilyHildoceratoidea(Hyatt 1867)
familyHildoceratidaeHyatt 1867
subfamilyBouleiceratinaeArkell 1950
genusNejdia

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. †Nejdia Arkell 1952
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†Nejdia arabica Gelin 2022
†Nejdia bramkampi Arkell 1952
†Nejdia furnishi Arkell 1952
†Nejdia pseudogruneri Thevenin 1908
Diagnosis
No diagnoses are available
Measurements
partNmeanminimummaximummedians.d.
shell height1543.018.070.050.015.5
shell diameter1589.440.0135.0100.030.5
shell inflation1518.48.0030.022.07.17

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: base of the Tenuicostatum to the top of the Bifrons or 184.20000 to 174.70000 Ma

Collections (9 total)


Time interval Ma Country or state Original ID and collection number
Tenuicostatum184.2 - 182.9Saudi Arabia N. pseudogruneri, N. bramkampi, N. furnishi, N. arabica (227925)
Toarcian184.2 - 174.7Saudi Arabia N. bramkampi (45188 48716 48717 48718)
Bifrons182.9 - 174.7Morocco N. pseudogruneri (149374)
Bifrons182.9 - 174.7Saudi Arabia N. bramkampi, N. furnishi (184573) N. sp. (184574)
Bifrons182.9 - 174.7Italy N. sp. (145323)