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

Quadrotheca

Orthothecida - Orthothecidae

Taxonomy
Quadrotheca was named by Sysoyev (1958) [Sepkoski's age data: Cm Tomm-u O Cara-u Sepkoski's reference number: 1,268,1116].

It was assigned to Orthothecidae by Fisher (1962); and to Hyolithida by Sepkoski (2002).

Synonymy list
YearName and author
1958Quadrotheca Sysoyev p. 187
1962Quadrotheca Fisher p. 125
2002Quadrotheca Sepkoski, Jr.

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

RankNameAuthor
kingdomAnimalia()
Bilateria
EubilateriaAx 1987
Protostomia
Spiralia
superphylumLophotrochozoa
RankNameAuthor
Lophophorata
phylumHyolitha
orderOrthothecida
familyOrthothecidae
genusQuadrothecaSysoyev 1958

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