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Ermoceras (Kosmermoceras) aulacostephanus

Cephalopoda - Ammonitida - Stephanoceratidae

Taxonomy
Ermoceras (Kosmermoceras) aulacostephanus was named by Arkell (1952). It is a 3D body fossil. Its type locality is Locality 2, Juraifa area (Aramco S-1618), which is in a Bajocian carbonate limestone in the Dhruma Formation of Saudi Arabia.

Sister species lacking formal opinion data

Synonymy list
YearName and author
1952Ermoceras (Kosmermoceras) aulacostephanus Arkell p. 276 figs. Pl 22, fig 7

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea()
orderAmmonitida
suborderAmmonitinaHyatt 1889
superfamilyStephanoceratoidea(Newmayr 1875)
familyStephanoceratidaeNeumayr 1875
genusErmoceras
subgenusKosmermoceras
speciesaulacostephanus

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.

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Diagnosis
No diagnoses are available