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Rhactorhynchia trigona

Rhynchonellata - Rhynchonellida - Tetrarhynchiidae

Taxonomy
Rhactorhynchia trigona was named by Crickmay (1933). It is a 3D body fossil. Its type locality is Ravine 35 (trigona zone), southwest slope of Mount Jura, which is in a Discites marine sandstone in the Mormon Formation of California.

Sister species lacking formal opinion data
R. faecunda

Synonymy list
YearName and author
1933Rhactorhynchia trigona Crickmay p. 880 figs. Pl. 20, Fig. 8-13

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RankNameAuthor
kingdomAnimalia()
—Bilateria
—EubilateriaAx 1987
—Protostomia
—Spiralia
superphylumLophotrochozoa
—Lophophorata
—PanbrachiopodaCarlson and Cohen 2020
phylumBrachiopodaCuvier 1805
RankNameAuthor
subphylumRhynchonelliformeaWilliams et al. 1996
classRhynchonellataWilliams et al. 1996
orderRhynchonellidaKuhn 1949
superfamilyHemithiridoideaRzhonsnitskaya 1956
familyTetrarhynchiidaeAger 1965
subfamilyKallirhynchiinae
genusRhactorhynchia
speciestrigona

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.

†Rhactorhynchia trigona Crickmay 1933
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Diagnosis
No diagnoses are available