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Rhactorhynchia subtetrahedra

Rhynchonellata - Rhynchonellida - Tetrarhynchiidae

Taxonomy
Rhynchonella subtetrahedra was named by Davidson (1851).

It was recombined as Rhactorhynchia subtetrahedra by Shi and Grant (1993).

Sister species lacking formal opinion data

View classification of included taxa

Synonymy list
YearName and author
1851Rhynchonella subtetrahedra Davidson p. 95 figs. Pl. 16: Fig. 9, 10, ?11, ?12
1993Rhactorhynchia subtetrahedra Shi and Grant p. 100 figs. 57; Pl. 5: Fig. 10-14, Pl. 6: Fig. 11

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RankNameAuthor
kingdomAnimalia()
Triploblastica
Eutriploblastica
Neotriploblastica
Eucoelomata
superphylumLophotrochozoa
Lophophorata
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderRhynchonellidaKuhn 1949
superfamilyHemithiridoideaRzhonsnitskaya 1956
familyTetrarhynchiidaeAger 1965
subfamilyKallirhynchiinae
genusRhactorhynchia
speciessubtetrahedra(Davidson 1851)

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