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Erymnoceras ajax

Cephalopoda - Ammonitida - Pachyceratidae

Taxonomy
Ammonites ajax was named by d'Orbigny (1850).

It was recombined as Erymnoceras ajax by Jeannet (1951).

Sister species lacking formal opinion data

Synonymy list
YearName and author
1850Ammonites ajax d'Orbigny
1951Erymnoceras ajax Jeannet p. 120 figs. Pl 40, fig 13; text-figs 275, 276

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyPerisphinctoidea(Steinman 1890)
familyPachyceratidaeBuckman 1918
genusErymnoceras
speciesajax(d'Orbigny 1850)

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.

Erymnoceras ajax d'Orbigny 1850
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Diagnosis
No diagnoses are available