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

Rhactorthis

Rhynchonellata - Orthida - Rhactorthidae

Taxonomy
Rhactorthis was named by Williams (1963). Its type is Rhactorthis crassa.

It was assigned to Rhactorthinae by Wright (1964) and Owen and Harper (1982); to Rhactorthidae by Williams et al. (2000); and to Orthida by Sepkoski (2002).

Species
R. crassa (type species)
Species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1963Rhactorthis Williams
1964Rhactorthis Wright
1982Rhactorthis Owen and Harper
2000Rhactorthis Williams et al. p. 778
2002Rhactorthis Sepkoski, Jr.

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

RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderOrthidaSchuchert and Cooper 1932
suborderOrthidinaSchuchert and Cooper 1932
superfamilyPlectorthoideaSchuchert and Le Vene 1929
familyRhactorthidaeWilliams 1963
genusRhactorthisWilliams 1963

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