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

Annbactroceras

Cephalopoda - Orthocerida - Baltoceratidae

Taxonomy
Annbactroceras was named by Kröger and Evans (2011). Its type is Orthoceras martyi.

It was assigned to Baltoceratidae by Kröger and Evans (2011).

Synonymy list
YearName and author
2011Annbactroceras Kröger and Evans

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

RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
RankNameAuthor
phylumMollusca
classCephalopodaCuvier 1797
subclassOrthoceratoidea(M'Coy 1844)
orderOrthoceridaKuhn 1940
familyBaltoceratidaeKobayashi 1935
genusAnnbactroceras

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. †Annbactroceras Kröger and Evans 2011
show all | hide all
†Annbactroceras felinense Kröger and Evans 2011
†Annbactroceras martyi Thoral 1935
Diagnosis
ReferenceDiagnosis
B. Kröger and D. H. Evans 2011Slender, straight to slightly curved, annulate conchs; sutures
directly transverse and widely spaced; siphuncle marginal to eccentric
in position and closer to side of conch with concave curvature;
septal necks orthochoanitic, siphuncular segments tubular with a diameter
0.1 that of phragmocone diameter.