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Goniocylindrites

Gastropoda - Architectibranchia - Cylindrobullinidae

Taxonomy
Goniocylindrites was named by Meek (1863) [Sepkoski's age data: J Bath J Tith-u]. It is not extant. Its type is Cylindrites brevis.

It was assigned to Cephalaspida by Sepkoski (2002); and to Cylindrobullinidae by Gründel and Nützel (2012).

Synonymy list
YearName and author
1863Goniocylindrites Meek
2002Goniocylindrites Sepkoski, Jr.
2012Goniocylindrites Gründel and Nützel p. 35

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RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
Schizocoela
phylumMollusca
RankNameAuthor
classGastropodaCuvier 1797
subclassHeterostropha
orderArchitectibranchiaHaszprunar 1985
superfamilyActeonoidead'Orbigny 1835
familyCylindrobullinidaeWenz 1947
genusGoniocylindritesMeek 1863

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
ReferenceDiagnosis
J. Gründel and A. Nützel 2012The shell is cylindrical with planispiral or slightly concave spire. The whorls embrace at the adapical edge of the preceding whorls so that the last whorl covers all preceding whorls in lateral view. The previous whorls are visible in apical view only. The aperture is high and narrow and lacks folds. The other characters are close to those of Cylindrobullina.