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Nejdia
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).
It was assigned to Phymatoceratinae by Arkell (1952); to Ammonoidea by Sepkoski (2002); and to Bouleiceratinae by Howarth (2013).
Species
Synonymy list
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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
| part | N | mean | minimum | maximum | median | s.d. | |
|---|---|---|---|---|---|---|---|
| shell height | 15 | 43.0 | 18.0 | 70.0 | 50.0 | 15.5 | |
| shell diameter | 15 | 89.4 | 40.0 | 135.0 | 100.0 | 30.5 | |
| shell inflation | 15 | 18.4 | 8.00 | 30.0 | 22.0 | 7.17 |
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| Source: o = order, c = class | |||||
| References: Kiessling 2004, Kiessling 2003 | |||||
Collections (9 total)
| Time interval | Ma | Country or state | Original ID and collection number |
|---|---|---|---|
| Tenuicostatum | Saudi Arabia | N. pseudogruneri, N. bramkampi, N. furnishi, N. arabica (227925) | |
| Toarcian | Saudi Arabia | N. bramkampi (45188 48716 48717 48718) | |
| Bifrons | Italy | N. sp. (145323) | |
| Bifrons | Saudi Arabia | N. bramkampi, N. furnishi (184573) N. sp. (184574) | |
| Bifrons | Morocco | N. pseudogruneri (149374) |