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

Arietites semicostatus

Cephalopoda - Ammonitida - Arietitidae

Taxonomy
Ammonites semicostatus was named by Young and Bird (1828).

It was recombined as Arietites semicostatus by Lee (1984).

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1828Ammonites semicostatus Young and Bird p. 257 figs. Pl 12, fig 10
1984Arietites semicostatus Lee figs. Pl 3f,3h

Is something missing? Join the Paleobiology Database and enter the data

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
phylumMollusca
classCephalopodaCuvier 1797
RankNameAuthor
subclassAmmonoidea(Zittel 1884)
orderAmmonitidaHyatt 1889
suborderAmmonitinaHyatt 1889
superfamilyPsiloceratoidea(Hyatt 1867)
familyArietitidaeHyatt 1875
subfamilyArietitinaeHyatt 1875
genusArietites
speciessemicostatus(Young and Bird 1828)

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.

Diagnosis
No diagnoses are available